Generate perlmain.c using ExtUtils::Miniperl, instead of writemain.SH.

This allows writemain.SH to be removed. This also has the side effect of testing
that ExtUtils::Miniperl actually works. :-)

5 files changed, 5 insertions, 115 deletions

diff --git a/MANIFEST b/MANIFEST
index 63bf4297a9..daf2706298 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -5032,7 +5032,6 @@ win32/win32thread.h		Win32 port mapping to threads
 win32/wince.c			WinCE port
 win32/wince.h			WinCE port
 win32/wincesck.c		WinCE port
-writemain.SH			Generate perlmain.c from miniperlmain.c+extensions
 x2p/a2p.c			Output of a2p.y run through byacc
 x2p/a2p.h			Global declarations
 x2p/a2p.pod			Pod for awk to perl translator
diff --git a/Makefile.SH b/Makefile.SH
index 557f4f864a..531579368a 100755
--- a/Makefile.SH
+++ b/Makefile.SH
@@ -435,10 +435,10 @@ private = preplibrary $(CONFIGPM) $(CONFIGPOD) lib/ExtUtils/Miniperl.pm git_vers
 # Files to be built with variable substitution before miniperl
 # is available.
 sh = Makefile.SH cflags.SH config_h.SH makeaperl.SH makedepend.SH \
-	myconfig.SH writemain.SH pod/Makefile.SH
+	myconfig.SH pod/Makefile.SH
 
 shextract = Makefile cflags config.h makeaperl makedepend \
-	makedir myconfig writemain pod/Makefile
+	makedir myconfig pod/Makefile
 
 addedbyconf = UU $(shextract) pstruct
 
@@ -644,8 +644,8 @@ generate_uudmap$(HOST_EXE_EXT): generate_uudmap$(OBJ_EXT)
 miniperlmain$(OBJ_EXT): miniperlmain.c patchlevel.h
 	$(CCCMD) $(PLDLFLAGS) $*.c
 
-perlmain.c: miniperlmain.c config.sh $(FIRSTMAKEFILE)
-	sh writemain $(DYNALOADER) $(static_ext) > perlmain.c
+perlmain.c: $(MINIPERL_EXE) lib/ExtUtils/Miniperl.pm
+	$(MINIPERL) -Ilib -MExtUtils::Miniperl -e 'writemain(@ARGV)' DynaLoader $(static_ext) > perlmain.c
 
 perlmain$(OBJ_EXT): perlmain.c
 	$(CCCMD) $(PLDLFLAGS) $*.c
diff --git a/Porting/exec-bit.txt b/Porting/exec-bit.txt
index 047b4bcb22..5e0f1e0645 100644
--- a/Porting/exec-bit.txt
+++ b/Porting/exec-bit.txt
@@ -21,7 +21,6 @@ regen/embed.pl
 regen/keywords.pl
 regen/opcode.pl
 runtests.SH
-writemain.SH
 t/TEST
 vms/ext/filespec.t
 x2p/Makefile.SH
diff --git a/pod/perlhack.pod b/pod/perlhack.pod
index 831f407ad0..cf692e8412 100644
--- a/pod/perlhack.pod
+++ b/pod/perlhack.pod
@@ -458,7 +458,7 @@ This is very high-level code, enough to fit on a single screen, and it
 resembles the code found in L<perlembed>; most of the real action takes
 place in F<perl.c>
 
-F<perlmain.c> is generated by L<writemain> from F<miniperlmain.c> at
+F<perlmain.c> is generated by C<ExtUtils::Miniperl> from F<miniperlmain.c> at
 make time, so you should make perl to follow this along.
 
 First, F<perlmain.c> allocates some memory and constructs a Perl
diff --git a/writemain.SH b/writemain.SH
deleted file mode 100755
index ac1c5aaf45..0000000000
--- a/writemain.SH
+++ /dev/null
@@ -1,108 +0,0 @@
-case $PERL_CONFIG_SH in
-'')
-	if test -f config.sh; then TOP=.;
-	elif test -f ../config.sh; then TOP=..;
-	elif test -f ../../config.sh; then TOP=../..;
-	elif test -f ../../../config.sh; then TOP=../../..;
-	elif test -f ../../../../config.sh; then TOP=../../../..;
-	else
-		echo "Can't find config.sh."; exit 1
-	fi
-	. $TOP/config.sh
-	;;
-esac
-: This forces SH files to create target in same directory as SH file.
-: This is so that make depend always knows where to find SH derivatives.
-case "$0" in
-*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
-esac
-echo "Extracting writemain (with variable substitutions)"
-: This section of the file will have variable substitutions done on it.
-: Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!.
-: Protect any dollar signs and backticks that you do not want interpreted
-: by putting a backslash in front.  You may delete these comments.
-rm -f writemain
-$spitshell >writemain <<!GROK!THIS!
-$startsh
-!GROK!THIS!
-
-: In the following dollars and backticks do not need the extra backslash.
-$spitshell >>writemain <<'!NO!SUBS!'
-# This script takes the plain miniperlmain.c and writes out perlmain.c
-# which includes all the extensions.
-# The command line arguments name extensions to be used.
-#  E.g.:  sh writemain SDBM_File POSIX > perlmain.c
-#
-
-orig="$*"
-args=''
-: Remove any .a suffixes and any leading path components
-for file in $orig ; do
-        case "$file" in
-           *.a)  file=`echo $file | sed 's/\.a//g'`;;
-           *.o)  file=`echo $file | sed 's/\.o//g'`;;
-        esac
-	case "$file" in
-	ext/*)	file=`echo $file | sed 's:ext/\(.*\)/[^/]*:\1:'`
-		;;
-	lib/auto/*)	file=`echo $file | sed 's:lib/auto/\(.*\)/[^/]*:\1:'`
-		;;
-	*/*)
-		file=`expr X$file : 'X.*/\(.*\)'`
-		;;
-	esac
-	args="$args $file"
-done
-
-
-sed '/Do not delete this line--writemain depends on it/q' miniperlmain.c
-
-
-if test X"$args" != "X" ; then
-    for ext in $args ; do
-: $ext will either be 'Name' or 'Name1/Name2' etc
-: convert ext into cname and mname
-mname=`echo $ext   | sed 's!/!::!g'`
-cname=`echo $mname | sed 's!:!_!g'`
-
-echo "EXTERN_C void boot_${cname} (pTHX_ CV* cv);"
-    done
-fi
-
-cat << 'EOP'
-
-static void
-xs_init(pTHX)
-{
-EOP
-
-if test X"$args" != "X" ; then
-    echo "    static const char file[] = __FILE__;"
-    echo "    dXSUB_SYS;"
-
-    ai=''
-
-    for ext in $args ; do
-
-	: $ext will either be 'Name' or 'Name1/Name2' etc
-	: convert ext into cname and mname
-	mname=`echo $ext   | sed 's!/!::!g'`
-	cname=`echo $mname | sed 's!:!_!g'`
-
-	if test "$ext" = "DynaLoader"; then
-	    : Must NOT install 'DynaLoader::boot_DynaLoader' as 'bootstrap'!
-	    : boot_DynaLoader is called directly in DynaLoader.pm
-	    echo "        newXS(\"${mname}::boot_${ext}\", boot_${cname}, file);"
-	else
-	    echo "        newXS(\"${mname}::bootstrap\", boot_${cname}, file);"
-	fi
-    done
-fi
-
-cat << 'EOP'
-}
-EOP
-
-!NO!SUBS!
-chmod 755 writemain
-$eunicefix writemain