diff --git a/5.008.009-main,threaded/DevelPatchPerl.patch b/5.008.009-main,threaded/DevelPatchPerl.patch
index 584b870..1bdc576 100644
--- a/5.008.009-main,threaded/DevelPatchPerl.patch
+++ b/5.008.009-main,threaded/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 6f20c5e..684f369 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index ac264c3..3f38ea0 100644
+index ac264c3..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -123,7 +123,7 @@ index ac264c3..3f38ea0 100644
          ppc*)
              # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
              # with -O2 ; so downgrade to -O1.
-@@ -143,93 +150,78 @@ case "$optimize" in
+@@ -143,93 +150,88 @@ case "$optimize" in
      ;;
  esac
  
@@ -235,6 +235,17 @@ index ac264c3..3f38ea0 100644
 -		;;
 -	esac
 -fi
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
+-rm -f try.c a.out
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -252,7 +263,7 @@ index ac264c3..3f38ea0 100644
 +  ;;
 +esac
  
--rm -f try.c a.out
+-if /bin/sh -c exit; then
 +case "$libc" in
 +'')
 +# If you have glibc, then report the version for ./myconfig bug reporting.
@@ -278,13 +289,12 @@ index ac264c3..3f38ea0 100644
 +    done
 +    ;;
 +esac
- 
--if /bin/sh -c exit; then
++
 +if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -296,7 +288,7 @@ fi
+@@ -296,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -293,7 +303,7 @@ index ac264c3..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -311,24 +303,62 @@ esac
+@@ -311,24 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -367,7 +377,7 @@ index ac264c3..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -375,16 +405,6 @@ $define|true|[yY]*)
+@@ -375,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -384,7 +394,7 @@ index ac264c3..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -408,7 +428,7 @@ then
+@@ -408,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.008.009-main/DevelPatchPerl.patch b/5.008.009-main/DevelPatchPerl.patch
index 584b870..1bdc576 100644
--- a/5.008.009-main/DevelPatchPerl.patch
+++ b/5.008.009-main/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 6f20c5e..684f369 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index ac264c3..3f38ea0 100644
+index ac264c3..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -123,7 +123,7 @@ index ac264c3..3f38ea0 100644
          ppc*)
              # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
              # with -O2 ; so downgrade to -O1.
-@@ -143,93 +150,78 @@ case "$optimize" in
+@@ -143,93 +150,88 @@ case "$optimize" in
      ;;
  esac
  
@@ -235,6 +235,17 @@ index ac264c3..3f38ea0 100644
 -		;;
 -	esac
 -fi
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
+-rm -f try.c a.out
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -252,7 +263,7 @@ index ac264c3..3f38ea0 100644
 +  ;;
 +esac
  
--rm -f try.c a.out
+-if /bin/sh -c exit; then
 +case "$libc" in
 +'')
 +# If you have glibc, then report the version for ./myconfig bug reporting.
@@ -278,13 +289,12 @@ index ac264c3..3f38ea0 100644
 +    done
 +    ;;
 +esac
- 
--if /bin/sh -c exit; then
++
 +if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -296,7 +288,7 @@ fi
+@@ -296,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -293,7 +303,7 @@ index ac264c3..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -311,24 +303,62 @@ esac
+@@ -311,24 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -367,7 +377,7 @@ index ac264c3..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -375,16 +405,6 @@ $define|true|[yY]*)
+@@ -375,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -384,7 +394,7 @@ index ac264c3..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -408,7 +428,7 @@ then
+@@ -408,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.008.009-slim,threaded/DevelPatchPerl.patch b/5.008.009-slim,threaded/DevelPatchPerl.patch
index 584b870..1bdc576 100644
--- a/5.008.009-slim,threaded/DevelPatchPerl.patch
+++ b/5.008.009-slim,threaded/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 6f20c5e..684f369 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index ac264c3..3f38ea0 100644
+index ac264c3..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -123,7 +123,7 @@ index ac264c3..3f38ea0 100644
          ppc*)
              # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
              # with -O2 ; so downgrade to -O1.
-@@ -143,93 +150,78 @@ case "$optimize" in
+@@ -143,93 +150,88 @@ case "$optimize" in
      ;;
  esac
  
@@ -235,6 +235,17 @@ index ac264c3..3f38ea0 100644
 -		;;
 -	esac
 -fi
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
+-rm -f try.c a.out
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -252,7 +263,7 @@ index ac264c3..3f38ea0 100644
 +  ;;
 +esac
  
--rm -f try.c a.out
+-if /bin/sh -c exit; then
 +case "$libc" in
 +'')
 +# If you have glibc, then report the version for ./myconfig bug reporting.
@@ -278,13 +289,12 @@ index ac264c3..3f38ea0 100644
 +    done
 +    ;;
 +esac
- 
--if /bin/sh -c exit; then
++
 +if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -296,7 +288,7 @@ fi
+@@ -296,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -293,7 +303,7 @@ index ac264c3..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -311,24 +303,62 @@ esac
+@@ -311,24 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -367,7 +377,7 @@ index ac264c3..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -375,16 +405,6 @@ $define|true|[yY]*)
+@@ -375,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -384,7 +394,7 @@ index ac264c3..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -408,7 +428,7 @@ then
+@@ -408,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.008.009-slim/DevelPatchPerl.patch b/5.008.009-slim/DevelPatchPerl.patch
index 584b870..1bdc576 100644
--- a/5.008.009-slim/DevelPatchPerl.patch
+++ b/5.008.009-slim/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 6f20c5e..684f369 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index ac264c3..3f38ea0 100644
+index ac264c3..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -123,7 +123,7 @@ index ac264c3..3f38ea0 100644
          ppc*)
              # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
              # with -O2 ; so downgrade to -O1.
-@@ -143,93 +150,78 @@ case "$optimize" in
+@@ -143,93 +150,88 @@ case "$optimize" in
      ;;
  esac
  
@@ -235,6 +235,17 @@ index ac264c3..3f38ea0 100644
 -		;;
 -	esac
 -fi
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
+-rm -f try.c a.out
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -252,7 +263,7 @@ index ac264c3..3f38ea0 100644
 +  ;;
 +esac
  
--rm -f try.c a.out
+-if /bin/sh -c exit; then
 +case "$libc" in
 +'')
 +# If you have glibc, then report the version for ./myconfig bug reporting.
@@ -278,13 +289,12 @@ index ac264c3..3f38ea0 100644
 +    done
 +    ;;
 +esac
- 
--if /bin/sh -c exit; then
++
 +if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -296,7 +288,7 @@ fi
+@@ -296,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -293,7 +303,7 @@ index ac264c3..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -311,24 +303,62 @@ esac
+@@ -311,24 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -367,7 +377,7 @@ index ac264c3..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -375,16 +405,6 @@ $define|true|[yY]*)
+@@ -375,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -384,7 +394,7 @@ index ac264c3..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -408,7 +428,7 @@ then
+@@ -408,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.010.001-main,threaded/DevelPatchPerl.patch b/5.010.001-main,threaded/DevelPatchPerl.patch
index f83adf0..f771124 100644
--- a/5.010.001-main,threaded/DevelPatchPerl.patch
+++ b/5.010.001-main,threaded/DevelPatchPerl.patch
@@ -92,7 +92,7 @@ index f8ca492..204bba0 100644
 +    $self->{LIBS}->[0] .= ' -lgdbm_compat' if -e $_.'/libgdbm_compat.so';
  }
 diff --git a/hints/linux.sh b/hints/linux.sh
-index c88f157..3f38ea0 100644
+index c88f157..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -176,7 +176,7 @@ index c88f157..3f38ea0 100644
          ppc*)
              # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
              # with -O2 ; so downgrade to -O1.
-@@ -146,93 +150,78 @@ case "$optimize" in
+@@ -146,93 +150,88 @@ case "$optimize" in
      ;;
  esac
  
@@ -288,6 +288,17 @@ index c88f157..3f38ea0 100644
 -		;;
 -	esac
 -fi
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
+-rm -f try.c a.out
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -305,7 +316,7 @@ index c88f157..3f38ea0 100644
 +  ;;
 +esac
  
--rm -f try.c a.out
+-if /bin/sh -c exit; then
 +case "$libc" in
 +'')
 +# If you have glibc, then report the version for ./myconfig bug reporting.
@@ -331,13 +342,12 @@ index c88f157..3f38ea0 100644
 +    done
 +    ;;
 +esac
- 
--if /bin/sh -c exit; then
++
 +if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -299,7 +288,7 @@ fi
+@@ -299,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -346,7 +356,7 @@ index c88f157..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -314,30 +303,62 @@ esac
+@@ -314,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -426,7 +436,7 @@ index c88f157..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -384,16 +405,6 @@ $define|true|[yY]*)
+@@ -384,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -443,7 +453,7 @@ index c88f157..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -417,7 +428,7 @@ then
+@@ -417,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.010.001-main/DevelPatchPerl.patch b/5.010.001-main/DevelPatchPerl.patch
index f83adf0..f771124 100644
--- a/5.010.001-main/DevelPatchPerl.patch
+++ b/5.010.001-main/DevelPatchPerl.patch
@@ -92,7 +92,7 @@ index f8ca492..204bba0 100644
 +    $self->{LIBS}->[0] .= ' -lgdbm_compat' if -e $_.'/libgdbm_compat.so';
  }
 diff --git a/hints/linux.sh b/hints/linux.sh
-index c88f157..3f38ea0 100644
+index c88f157..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -176,7 +176,7 @@ index c88f157..3f38ea0 100644
          ppc*)
              # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
              # with -O2 ; so downgrade to -O1.
-@@ -146,93 +150,78 @@ case "$optimize" in
+@@ -146,93 +150,88 @@ case "$optimize" in
      ;;
  esac
  
@@ -288,6 +288,17 @@ index c88f157..3f38ea0 100644
 -		;;
 -	esac
 -fi
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
+-rm -f try.c a.out
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -305,7 +316,7 @@ index c88f157..3f38ea0 100644
 +  ;;
 +esac
  
--rm -f try.c a.out
+-if /bin/sh -c exit; then
 +case "$libc" in
 +'')
 +# If you have glibc, then report the version for ./myconfig bug reporting.
@@ -331,13 +342,12 @@ index c88f157..3f38ea0 100644
 +    done
 +    ;;
 +esac
- 
--if /bin/sh -c exit; then
++
 +if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -299,7 +288,7 @@ fi
+@@ -299,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -346,7 +356,7 @@ index c88f157..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -314,30 +303,62 @@ esac
+@@ -314,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -426,7 +436,7 @@ index c88f157..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -384,16 +405,6 @@ $define|true|[yY]*)
+@@ -384,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -443,7 +453,7 @@ index c88f157..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -417,7 +428,7 @@ then
+@@ -417,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.010.001-slim,threaded/DevelPatchPerl.patch b/5.010.001-slim,threaded/DevelPatchPerl.patch
index f83adf0..f771124 100644
--- a/5.010.001-slim,threaded/DevelPatchPerl.patch
+++ b/5.010.001-slim,threaded/DevelPatchPerl.patch
@@ -92,7 +92,7 @@ index f8ca492..204bba0 100644
 +    $self->{LIBS}->[0] .= ' -lgdbm_compat' if -e $_.'/libgdbm_compat.so';
  }
 diff --git a/hints/linux.sh b/hints/linux.sh
-index c88f157..3f38ea0 100644
+index c88f157..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -176,7 +176,7 @@ index c88f157..3f38ea0 100644
          ppc*)
              # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
              # with -O2 ; so downgrade to -O1.
-@@ -146,93 +150,78 @@ case "$optimize" in
+@@ -146,93 +150,88 @@ case "$optimize" in
      ;;
  esac
  
@@ -288,6 +288,17 @@ index c88f157..3f38ea0 100644
 -		;;
 -	esac
 -fi
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
+-rm -f try.c a.out
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -305,7 +316,7 @@ index c88f157..3f38ea0 100644
 +  ;;
 +esac
  
--rm -f try.c a.out
+-if /bin/sh -c exit; then
 +case "$libc" in
 +'')
 +# If you have glibc, then report the version for ./myconfig bug reporting.
@@ -331,13 +342,12 @@ index c88f157..3f38ea0 100644
 +    done
 +    ;;
 +esac
- 
--if /bin/sh -c exit; then
++
 +if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -299,7 +288,7 @@ fi
+@@ -299,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -346,7 +356,7 @@ index c88f157..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -314,30 +303,62 @@ esac
+@@ -314,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -426,7 +436,7 @@ index c88f157..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -384,16 +405,6 @@ $define|true|[yY]*)
+@@ -384,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -443,7 +453,7 @@ index c88f157..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -417,7 +428,7 @@ then
+@@ -417,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.010.001-slim/DevelPatchPerl.patch b/5.010.001-slim/DevelPatchPerl.patch
index f83adf0..f771124 100644
--- a/5.010.001-slim/DevelPatchPerl.patch
+++ b/5.010.001-slim/DevelPatchPerl.patch
@@ -92,7 +92,7 @@ index f8ca492..204bba0 100644
 +    $self->{LIBS}->[0] .= ' -lgdbm_compat' if -e $_.'/libgdbm_compat.so';
  }
 diff --git a/hints/linux.sh b/hints/linux.sh
-index c88f157..3f38ea0 100644
+index c88f157..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -176,7 +176,7 @@ index c88f157..3f38ea0 100644
          ppc*)
              # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
              # with -O2 ; so downgrade to -O1.
-@@ -146,93 +150,78 @@ case "$optimize" in
+@@ -146,93 +150,88 @@ case "$optimize" in
      ;;
  esac
  
@@ -288,6 +288,17 @@ index c88f157..3f38ea0 100644
 -		;;
 -	esac
 -fi
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
+-rm -f try.c a.out
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -305,7 +316,7 @@ index c88f157..3f38ea0 100644
 +  ;;
 +esac
  
--rm -f try.c a.out
+-if /bin/sh -c exit; then
 +case "$libc" in
 +'')
 +# If you have glibc, then report the version for ./myconfig bug reporting.
@@ -331,13 +342,12 @@ index c88f157..3f38ea0 100644
 +    done
 +    ;;
 +esac
- 
--if /bin/sh -c exit; then
++
 +if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -299,7 +288,7 @@ fi
+@@ -299,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -346,7 +356,7 @@ index c88f157..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -314,30 +303,62 @@ esac
+@@ -314,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -426,7 +436,7 @@ index c88f157..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -384,16 +405,6 @@ $define|true|[yY]*)
+@@ -384,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -443,7 +453,7 @@ index c88f157..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -417,7 +428,7 @@ then
+@@ -417,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.012.005-main,threaded/DevelPatchPerl.patch b/5.012.005-main,threaded/DevelPatchPerl.patch
index d2a8373..c2bb141 100644
--- a/5.012.005-main,threaded/DevelPatchPerl.patch
+++ b/5.012.005-main,threaded/DevelPatchPerl.patch
@@ -117,7 +117,7 @@ index f8ca492..204bba0 100644
 +    $self->{LIBS}->[0] .= ' -lgdbm_compat' if -e $_.'/libgdbm_compat.so';
  }
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 0519eca..3f38ea0 100644
+index 0519eca..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -215,7 +215,7 @@ index 0519eca..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -171,93 +178,50 @@ case "$plibpth" in
+@@ -171,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -254,7 +254,16 @@ index 0519eca..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -351,7 +360,7 @@ index 0519eca..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -324,7 +288,7 @@ fi
+@@ -324,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -360,7 +369,7 @@ index 0519eca..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -339,30 +303,62 @@ esac
+@@ -339,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -440,7 +449,7 @@ index 0519eca..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -409,16 +405,6 @@ $define|true|[yY]*)
+@@ -409,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -457,7 +466,7 @@ index 0519eca..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -442,7 +428,7 @@ then
+@@ -442,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.012.005-main/DevelPatchPerl.patch b/5.012.005-main/DevelPatchPerl.patch
index d2a8373..c2bb141 100644
--- a/5.012.005-main/DevelPatchPerl.patch
+++ b/5.012.005-main/DevelPatchPerl.patch
@@ -117,7 +117,7 @@ index f8ca492..204bba0 100644
 +    $self->{LIBS}->[0] .= ' -lgdbm_compat' if -e $_.'/libgdbm_compat.so';
  }
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 0519eca..3f38ea0 100644
+index 0519eca..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -215,7 +215,7 @@ index 0519eca..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -171,93 +178,50 @@ case "$plibpth" in
+@@ -171,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -254,7 +254,16 @@ index 0519eca..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -351,7 +360,7 @@ index 0519eca..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -324,7 +288,7 @@ fi
+@@ -324,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -360,7 +369,7 @@ index 0519eca..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -339,30 +303,62 @@ esac
+@@ -339,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -440,7 +449,7 @@ index 0519eca..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -409,16 +405,6 @@ $define|true|[yY]*)
+@@ -409,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -457,7 +466,7 @@ index 0519eca..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -442,7 +428,7 @@ then
+@@ -442,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.012.005-slim,threaded/DevelPatchPerl.patch b/5.012.005-slim,threaded/DevelPatchPerl.patch
index d2a8373..c2bb141 100644
--- a/5.012.005-slim,threaded/DevelPatchPerl.patch
+++ b/5.012.005-slim,threaded/DevelPatchPerl.patch
@@ -117,7 +117,7 @@ index f8ca492..204bba0 100644
 +    $self->{LIBS}->[0] .= ' -lgdbm_compat' if -e $_.'/libgdbm_compat.so';
  }
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 0519eca..3f38ea0 100644
+index 0519eca..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -215,7 +215,7 @@ index 0519eca..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -171,93 +178,50 @@ case "$plibpth" in
+@@ -171,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -254,7 +254,16 @@ index 0519eca..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -351,7 +360,7 @@ index 0519eca..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -324,7 +288,7 @@ fi
+@@ -324,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -360,7 +369,7 @@ index 0519eca..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -339,30 +303,62 @@ esac
+@@ -339,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -440,7 +449,7 @@ index 0519eca..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -409,16 +405,6 @@ $define|true|[yY]*)
+@@ -409,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -457,7 +466,7 @@ index 0519eca..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -442,7 +428,7 @@ then
+@@ -442,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.012.005-slim/DevelPatchPerl.patch b/5.012.005-slim/DevelPatchPerl.patch
index d2a8373..c2bb141 100644
--- a/5.012.005-slim/DevelPatchPerl.patch
+++ b/5.012.005-slim/DevelPatchPerl.patch
@@ -117,7 +117,7 @@ index f8ca492..204bba0 100644
 +    $self->{LIBS}->[0] .= ' -lgdbm_compat' if -e $_.'/libgdbm_compat.so';
  }
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 0519eca..3f38ea0 100644
+index 0519eca..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -13,11 +13,14 @@
@@ -215,7 +215,7 @@ index 0519eca..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -171,93 +178,50 @@ case "$plibpth" in
+@@ -171,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -254,7 +254,16 @@ index 0519eca..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -351,7 +360,7 @@ index 0519eca..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -324,7 +288,7 @@ fi
+@@ -324,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -360,7 +369,7 @@ index 0519eca..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -339,30 +303,62 @@ esac
+@@ -339,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -440,7 +449,7 @@ index 0519eca..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -409,16 +405,6 @@ $define|true|[yY]*)
+@@ -409,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -457,7 +466,7 @@ index 0519eca..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -442,7 +428,7 @@ then
+@@ -442,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.014.004-main,threaded/DevelPatchPerl.patch b/5.014.004-main,threaded/DevelPatchPerl.patch
index 6b87690..408ee15 100644
--- a/5.014.004-main,threaded/DevelPatchPerl.patch
+++ b/5.014.004-main,threaded/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 56bc815..cf688be 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index d0ac9fa..3f38ea0 100644
+index d0ac9fa..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index d0ac9fa..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index d0ac9fa..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index d0ac9fa..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index d0ac9fa..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,30 +303,62 @@ esac
+@@ -350,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -336,7 +345,7 @@ index d0ac9fa..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -420,16 +405,6 @@ $define|true|[yY]*)
+@@ -420,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -353,7 +362,7 @@ index d0ac9fa..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -453,7 +428,7 @@ then
+@@ -453,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.014.004-main/DevelPatchPerl.patch b/5.014.004-main/DevelPatchPerl.patch
index 6b87690..408ee15 100644
--- a/5.014.004-main/DevelPatchPerl.patch
+++ b/5.014.004-main/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 56bc815..cf688be 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index d0ac9fa..3f38ea0 100644
+index d0ac9fa..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index d0ac9fa..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index d0ac9fa..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index d0ac9fa..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index d0ac9fa..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,30 +303,62 @@ esac
+@@ -350,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -336,7 +345,7 @@ index d0ac9fa..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -420,16 +405,6 @@ $define|true|[yY]*)
+@@ -420,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -353,7 +362,7 @@ index d0ac9fa..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -453,7 +428,7 @@ then
+@@ -453,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.014.004-slim,threaded/DevelPatchPerl.patch b/5.014.004-slim,threaded/DevelPatchPerl.patch
index 6b87690..408ee15 100644
--- a/5.014.004-slim,threaded/DevelPatchPerl.patch
+++ b/5.014.004-slim,threaded/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 56bc815..cf688be 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index d0ac9fa..3f38ea0 100644
+index d0ac9fa..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index d0ac9fa..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index d0ac9fa..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index d0ac9fa..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index d0ac9fa..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,30 +303,62 @@ esac
+@@ -350,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -336,7 +345,7 @@ index d0ac9fa..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -420,16 +405,6 @@ $define|true|[yY]*)
+@@ -420,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -353,7 +362,7 @@ index d0ac9fa..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -453,7 +428,7 @@ then
+@@ -453,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.014.004-slim/DevelPatchPerl.patch b/5.014.004-slim/DevelPatchPerl.patch
index 6b87690..408ee15 100644
--- a/5.014.004-slim/DevelPatchPerl.patch
+++ b/5.014.004-slim/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 56bc815..cf688be 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index d0ac9fa..3f38ea0 100644
+index d0ac9fa..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index d0ac9fa..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index d0ac9fa..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index d0ac9fa..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index d0ac9fa..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,30 +303,62 @@ esac
+@@ -350,30 +313,62 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -336,7 +345,7 @@ index d0ac9fa..3f38ea0 100644
          if echo $libswanted | grep -v pthread >/dev/null
          then
              set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
-@@ -420,16 +405,6 @@ $define|true|[yY]*)
+@@ -420,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -353,7 +362,7 @@ index d0ac9fa..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -453,7 +428,7 @@ then
+@@ -453,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.016.003-main,threaded/DevelPatchPerl.patch b/5.016.003-main,threaded/DevelPatchPerl.patch
index 0c1c567..5292c05 100644
--- a/5.016.003-main,threaded/DevelPatchPerl.patch
+++ b/5.016.003-main,threaded/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 439f254..a324604 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 688c68d..3f38ea0 100644
+index 688c68d..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index 688c68d..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index 688c68d..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index 688c68d..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index 688c68d..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,17 +303,55 @@ esac
+@@ -350,17 +313,55 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -322,7 +331,7 @@ index 688c68d..3f38ea0 100644
  
  # This script UU/usethreads.cbu will get 'called-back' by Configure
  # after it has prompted the user for whether to use threads.
-@@ -414,16 +405,6 @@ $define|true|[yY]*)
+@@ -414,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -339,7 +348,7 @@ index 688c68d..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -447,7 +428,7 @@ then
+@@ -447,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.016.003-main/DevelPatchPerl.patch b/5.016.003-main/DevelPatchPerl.patch
index 0c1c567..5292c05 100644
--- a/5.016.003-main/DevelPatchPerl.patch
+++ b/5.016.003-main/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 439f254..a324604 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 688c68d..3f38ea0 100644
+index 688c68d..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index 688c68d..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index 688c68d..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index 688c68d..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index 688c68d..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,17 +303,55 @@ esac
+@@ -350,17 +313,55 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -322,7 +331,7 @@ index 688c68d..3f38ea0 100644
  
  # This script UU/usethreads.cbu will get 'called-back' by Configure
  # after it has prompted the user for whether to use threads.
-@@ -414,16 +405,6 @@ $define|true|[yY]*)
+@@ -414,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -339,7 +348,7 @@ index 688c68d..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -447,7 +428,7 @@ then
+@@ -447,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.016.003-slim,threaded/DevelPatchPerl.patch b/5.016.003-slim,threaded/DevelPatchPerl.patch
index 0c1c567..5292c05 100644
--- a/5.016.003-slim,threaded/DevelPatchPerl.patch
+++ b/5.016.003-slim,threaded/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 439f254..a324604 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 688c68d..3f38ea0 100644
+index 688c68d..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index 688c68d..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index 688c68d..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index 688c68d..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index 688c68d..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,17 +303,55 @@ esac
+@@ -350,17 +313,55 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -322,7 +331,7 @@ index 688c68d..3f38ea0 100644
  
  # This script UU/usethreads.cbu will get 'called-back' by Configure
  # after it has prompted the user for whether to use threads.
-@@ -414,16 +405,6 @@ $define|true|[yY]*)
+@@ -414,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -339,7 +348,7 @@ index 688c68d..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -447,7 +428,7 @@ then
+@@ -447,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.016.003-slim/DevelPatchPerl.patch b/5.016.003-slim/DevelPatchPerl.patch
index 0c1c567..5292c05 100644
--- a/5.016.003-slim/DevelPatchPerl.patch
+++ b/5.016.003-slim/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index 439f254..a324604 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 688c68d..3f38ea0 100644
+index 688c68d..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index 688c68d..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index 688c68d..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index 688c68d..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index 688c68d..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,17 +303,55 @@ esac
+@@ -350,17 +313,55 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -322,7 +331,7 @@ index 688c68d..3f38ea0 100644
  
  # This script UU/usethreads.cbu will get 'called-back' by Configure
  # after it has prompted the user for whether to use threads.
-@@ -414,16 +405,6 @@ $define|true|[yY]*)
+@@ -414,16 +415,6 @@ $define|true|[yY]*)
      ;;
  esac
  
@@ -339,7 +348,7 @@ index 688c68d..3f38ea0 100644
  # If using g++, the Configure scan for dlopen() and (especially)
  # dlerror() might fail, easier just to forcibly hint them in.
  case "$cc" in
-@@ -447,7 +428,7 @@ then
+@@ -447,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.018.004-main,threaded/DevelPatchPerl.patch b/5.018.004-main,threaded/DevelPatchPerl.patch
index 6381f99..a9fc3c4 100644
--- a/5.018.004-main,threaded/DevelPatchPerl.patch
+++ b/5.018.004-main,threaded/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index b707911..2588f0b 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index a148248..3f38ea0 100644
+index a148248..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index a148248..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index a148248..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index a148248..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index a148248..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,17 +303,55 @@ esac
+@@ -350,17 +313,55 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -322,7 +331,7 @@ index a148248..3f38ea0 100644
  
  # This script UU/usethreads.cbu will get 'called-back' by Configure
  # after it has prompted the user for whether to use threads.
-@@ -437,7 +428,7 @@ then
+@@ -437,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.018.004-main/DevelPatchPerl.patch b/5.018.004-main/DevelPatchPerl.patch
index 6381f99..a9fc3c4 100644
--- a/5.018.004-main/DevelPatchPerl.patch
+++ b/5.018.004-main/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index b707911..2588f0b 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index a148248..3f38ea0 100644
+index a148248..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index a148248..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index a148248..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index a148248..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index a148248..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,17 +303,55 @@ esac
+@@ -350,17 +313,55 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -322,7 +331,7 @@ index a148248..3f38ea0 100644
  
  # This script UU/usethreads.cbu will get 'called-back' by Configure
  # after it has prompted the user for whether to use threads.
-@@ -437,7 +428,7 @@ then
+@@ -437,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.018.004-slim,threaded/DevelPatchPerl.patch b/5.018.004-slim,threaded/DevelPatchPerl.patch
index 6381f99..a9fc3c4 100644
--- a/5.018.004-slim,threaded/DevelPatchPerl.patch
+++ b/5.018.004-slim,threaded/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index b707911..2588f0b 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index a148248..3f38ea0 100644
+index a148248..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index a148248..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index a148248..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index a148248..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index a148248..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,17 +303,55 @@ esac
+@@ -350,17 +313,55 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -322,7 +331,7 @@ index a148248..3f38ea0 100644
  
  # This script UU/usethreads.cbu will get 'called-back' by Configure
  # after it has prompted the user for whether to use threads.
-@@ -437,7 +428,7 @@ then
+@@ -437,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.018.004-slim/DevelPatchPerl.patch b/5.018.004-slim/DevelPatchPerl.patch
index 6381f99..a9fc3c4 100644
--- a/5.018.004-slim/DevelPatchPerl.patch
+++ b/5.018.004-slim/DevelPatchPerl.patch
@@ -40,7 +40,7 @@ index b707911..2588f0b 100644
  		or die "Cannot exec $cpp";
  	}
 diff --git a/hints/linux.sh b/hints/linux.sh
-index a148248..3f38ea0 100644
+index a148248..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
 @@ -39,7 +39,7 @@ i_libutil='undef'
@@ -111,7 +111,7 @@ index a148248..3f38ea0 100644
  	cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
      set X $plibpth # Collapse all entries on one line
      shift
-@@ -182,93 +178,50 @@ case "$plibpth" in
+@@ -182,93 +178,60 @@ case "$plibpth" in
      ;;
  esac
  
@@ -150,7 +150,16 @@ index a148248..3f38ea0 100644
 -should probably upgrade. If you are forced to use 3.2.4, you should
 -uncomment a couple of lines in hints/linux.sh and restart Configure so
 -that shared libraries will be disallowed.
--
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
+ 
 -EOM
 -    lddlflags="-r $lddlflags"
 -    # These empty values are so that Configure doesn't put in the
@@ -247,7 +256,7 @@ index a148248..3f38ea0 100644
    echo ''
    echo 'You appear to have a working bash.  Good.'
  else
-@@ -335,7 +288,7 @@ fi
+@@ -335,7 +298,7 @@ fi
  #'osfmach3ppc') ccdlflags='-Wl,-E' ;;
  #esac
  
@@ -256,7 +265,7 @@ index a148248..3f38ea0 100644
  sparc*)
  	case "$cccdlflags" in
  	*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
-@@ -350,17 +303,55 @@ esac
+@@ -350,17 +313,55 @@ esac
  # version of -lgdbm which is a bad idea. So if we have 'nm'
  # make sure it can read the file
  # NI-S 2003/08/07
@@ -322,7 +331,7 @@ index a148248..3f38ea0 100644
  
  # This script UU/usethreads.cbu will get 'called-back' by Configure
  # after it has prompted the user for whether to use threads.
-@@ -437,7 +428,7 @@ then
+@@ -437,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.020.003-main,threaded/DevelPatchPerl.patch b/5.020.003-main,threaded/DevelPatchPerl.patch
index 363cf79..1601391 100644
--- a/5.020.003-main,threaded/DevelPatchPerl.patch
+++ b/5.020.003-main,threaded/DevelPatchPerl.patch
@@ -1,11 +1,21 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 956adfc..3f38ea0 100644
+index 956adfc..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -178,6 +178,23 @@ case "$plibpth" in
+@@ -178,6 +178,33 @@ case "$plibpth" in
      ;;
  esac
  
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -26,7 +36,7 @@ index 956adfc..3f38ea0 100644
  case "$libc" in
  '')
  # If you have glibc, then report the version for ./myconfig bug reporting.
-@@ -204,92 +221,6 @@ case "$libc" in
+@@ -204,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
@@ -119,7 +129,7 @@ index 956adfc..3f38ea0 100644
  if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
-@@ -497,7 +428,7 @@ then
+@@ -497,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.020.003-main/DevelPatchPerl.patch b/5.020.003-main/DevelPatchPerl.patch
index 363cf79..1601391 100644
--- a/5.020.003-main/DevelPatchPerl.patch
+++ b/5.020.003-main/DevelPatchPerl.patch
@@ -1,11 +1,21 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 956adfc..3f38ea0 100644
+index 956adfc..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -178,6 +178,23 @@ case "$plibpth" in
+@@ -178,6 +178,33 @@ case "$plibpth" in
      ;;
  esac
  
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -26,7 +36,7 @@ index 956adfc..3f38ea0 100644
  case "$libc" in
  '')
  # If you have glibc, then report the version for ./myconfig bug reporting.
-@@ -204,92 +221,6 @@ case "$libc" in
+@@ -204,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
@@ -119,7 +129,7 @@ index 956adfc..3f38ea0 100644
  if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
-@@ -497,7 +428,7 @@ then
+@@ -497,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.020.003-slim,threaded/DevelPatchPerl.patch b/5.020.003-slim,threaded/DevelPatchPerl.patch
index 363cf79..1601391 100644
--- a/5.020.003-slim,threaded/DevelPatchPerl.patch
+++ b/5.020.003-slim,threaded/DevelPatchPerl.patch
@@ -1,11 +1,21 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 956adfc..3f38ea0 100644
+index 956adfc..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -178,6 +178,23 @@ case "$plibpth" in
+@@ -178,6 +178,33 @@ case "$plibpth" in
      ;;
  esac
  
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -26,7 +36,7 @@ index 956adfc..3f38ea0 100644
  case "$libc" in
  '')
  # If you have glibc, then report the version for ./myconfig bug reporting.
-@@ -204,92 +221,6 @@ case "$libc" in
+@@ -204,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
@@ -119,7 +129,7 @@ index 956adfc..3f38ea0 100644
  if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
-@@ -497,7 +428,7 @@ then
+@@ -497,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.020.003-slim/DevelPatchPerl.patch b/5.020.003-slim/DevelPatchPerl.patch
index 363cf79..1601391 100644
--- a/5.020.003-slim/DevelPatchPerl.patch
+++ b/5.020.003-slim/DevelPatchPerl.patch
@@ -1,11 +1,21 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index 956adfc..3f38ea0 100644
+index 956adfc..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -178,6 +178,23 @@ case "$plibpth" in
+@@ -178,6 +178,33 @@ case "$plibpth" in
      ;;
  esac
  
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
 +# libquadmath is sometimes installed as gcc internal library,
 +# so contrary to our usual policy of *not* looking at gcc internal
 +# directories we now *do* look at them, in case they contain
@@ -26,7 +36,7 @@ index 956adfc..3f38ea0 100644
  case "$libc" in
  '')
  # If you have glibc, then report the version for ./myconfig bug reporting.
-@@ -204,92 +221,6 @@ case "$libc" in
+@@ -204,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
@@ -119,7 +129,7 @@ index 956adfc..3f38ea0 100644
  if ${sh:-/bin/sh} -c exit; then
    echo ''
    echo 'You appear to have a working bash.  Good.'
-@@ -497,7 +428,7 @@ then
+@@ -497,7 +438,7 @@ then
         DBLIB="$DBDIR/libdb.so"
         if [ -f $DBLIB ]
         then
diff --git a/5.022.004-main,threaded/DevelPatchPerl.patch b/5.022.004-main,threaded/DevelPatchPerl.patch
index 4c69d78..0c3d65d 100644
--- a/5.022.004-main,threaded/DevelPatchPerl.patch
+++ b/5.022.004-main,threaded/DevelPatchPerl.patch
@@ -1,8 +1,25 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index fb5a46e..3f38ea0 100644
+index fb5a46e..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -221,92 +221,6 @@ case "$libc" in
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
+@@ -221,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
diff --git a/5.022.004-main/DevelPatchPerl.patch b/5.022.004-main/DevelPatchPerl.patch
index 4c69d78..0c3d65d 100644
--- a/5.022.004-main/DevelPatchPerl.patch
+++ b/5.022.004-main/DevelPatchPerl.patch
@@ -1,8 +1,25 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index fb5a46e..3f38ea0 100644
+index fb5a46e..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -221,92 +221,6 @@ case "$libc" in
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
+@@ -221,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
diff --git a/5.022.004-slim,threaded/DevelPatchPerl.patch b/5.022.004-slim,threaded/DevelPatchPerl.patch
index 4c69d78..0c3d65d 100644
--- a/5.022.004-slim,threaded/DevelPatchPerl.patch
+++ b/5.022.004-slim,threaded/DevelPatchPerl.patch
@@ -1,8 +1,25 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index fb5a46e..3f38ea0 100644
+index fb5a46e..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -221,92 +221,6 @@ case "$libc" in
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
+@@ -221,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
diff --git a/5.022.004-slim/DevelPatchPerl.patch b/5.022.004-slim/DevelPatchPerl.patch
index 4c69d78..0c3d65d 100644
--- a/5.022.004-slim/DevelPatchPerl.patch
+++ b/5.022.004-slim/DevelPatchPerl.patch
@@ -1,8 +1,25 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index fb5a46e..3f38ea0 100644
+index fb5a46e..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -221,92 +221,6 @@ case "$libc" in
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
+@@ -221,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
diff --git a/5.024.004-main,threaded/DevelPatchPerl.patch b/5.024.004-main,threaded/DevelPatchPerl.patch
index 4c69d78..0c3d65d 100644
--- a/5.024.004-main,threaded/DevelPatchPerl.patch
+++ b/5.024.004-main,threaded/DevelPatchPerl.patch
@@ -1,8 +1,25 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index fb5a46e..3f38ea0 100644
+index fb5a46e..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -221,92 +221,6 @@ case "$libc" in
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
+@@ -221,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
diff --git a/5.024.004-main/DevelPatchPerl.patch b/5.024.004-main/DevelPatchPerl.patch
index 4c69d78..0c3d65d 100644
--- a/5.024.004-main/DevelPatchPerl.patch
+++ b/5.024.004-main/DevelPatchPerl.patch
@@ -1,8 +1,25 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index fb5a46e..3f38ea0 100644
+index fb5a46e..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -221,92 +221,6 @@ case "$libc" in
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
+@@ -221,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
diff --git a/5.024.004-slim,threaded/DevelPatchPerl.patch b/5.024.004-slim,threaded/DevelPatchPerl.patch
index 4c69d78..0c3d65d 100644
--- a/5.024.004-slim,threaded/DevelPatchPerl.patch
+++ b/5.024.004-slim,threaded/DevelPatchPerl.patch
@@ -1,8 +1,25 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index fb5a46e..3f38ea0 100644
+index fb5a46e..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -221,92 +221,6 @@ case "$libc" in
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
+@@ -221,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
diff --git a/5.024.004-slim/DevelPatchPerl.patch b/5.024.004-slim/DevelPatchPerl.patch
index 4c69d78..0c3d65d 100644
--- a/5.024.004-slim/DevelPatchPerl.patch
+++ b/5.024.004-slim/DevelPatchPerl.patch
@@ -1,8 +1,25 @@
 diff --git a/hints/linux.sh b/hints/linux.sh
-index fb5a46e..3f38ea0 100644
+index fb5a46e..a985a8e 100644
 --- a/hints/linux.sh
 +++ b/hints/linux.sh
-@@ -221,92 +221,6 @@ case "$libc" in
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
+@@ -221,92 +231,6 @@ case "$libc" in
      ;;
  esac
  
diff --git a/5.026.003-main,threaded/DevelPatchPerl.patch b/5.026.003-main,threaded/DevelPatchPerl.patch
index e69de29..1701c2a 100644
--- a/5.026.003-main,threaded/DevelPatchPerl.patch
+++ b/5.026.003-main,threaded/DevelPatchPerl.patch
@@ -0,0 +1,21 @@
+diff --git a/hints/linux.sh b/hints/linux.sh
+index 3f38ea0..a985a8e 100644
+--- a/hints/linux.sh
++++ b/hints/linux.sh
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
diff --git a/5.026.003-main/DevelPatchPerl.patch b/5.026.003-main/DevelPatchPerl.patch
index e69de29..1701c2a 100644
--- a/5.026.003-main/DevelPatchPerl.patch
+++ b/5.026.003-main/DevelPatchPerl.patch
@@ -0,0 +1,21 @@
+diff --git a/hints/linux.sh b/hints/linux.sh
+index 3f38ea0..a985a8e 100644
+--- a/hints/linux.sh
++++ b/hints/linux.sh
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
diff --git a/5.026.003-slim,threaded/DevelPatchPerl.patch b/5.026.003-slim,threaded/DevelPatchPerl.patch
index e69de29..1701c2a 100644
--- a/5.026.003-slim,threaded/DevelPatchPerl.patch
+++ b/5.026.003-slim,threaded/DevelPatchPerl.patch
@@ -0,0 +1,21 @@
+diff --git a/hints/linux.sh b/hints/linux.sh
+index 3f38ea0..a985a8e 100644
+--- a/hints/linux.sh
++++ b/hints/linux.sh
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain
diff --git a/5.026.003-slim/DevelPatchPerl.patch b/5.026.003-slim/DevelPatchPerl.patch
index e69de29..1701c2a 100644
--- a/5.026.003-slim/DevelPatchPerl.patch
+++ b/5.026.003-slim/DevelPatchPerl.patch
@@ -0,0 +1,21 @@
+diff --git a/hints/linux.sh b/hints/linux.sh
+index 3f38ea0..a985a8e 100644
+--- a/hints/linux.sh
++++ b/hints/linux.sh
+@@ -178,6 +178,16 @@ case "$plibpth" in
+     ;;
+ esac
+ 
++# For the musl libc, perl should #define _GNU_SOURCE.  Otherwise, some
++# available functions, like memem, won't be used.  See the discussion in
++# [perl #133760].  musl doesn't offer an easy way to identify it, but,
++# at least on alpine linux, the ldd --version output contains the
++# string 'musl.'
++case `ldd --version 2>&1` in
++    musl*)  ccflags="$ccflags -D_GNU_SOURCE" ;;
++        *) ;;
++esac
++
+ # libquadmath is sometimes installed as gcc internal library,
+ # so contrary to our usual policy of *not* looking at gcc internal
+ # directories we now *do* look at them, in case they contain