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Support linking with MinGW-built Perl.

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This is necessary for ActivePerl 5.18 onwards and for Strawberry Perl.
It is not sufficient for 32-bit builds with newer Visual Studio; these
fail with error LINK2026.  Back-patch to 9.3 (all supported versions).

Reported by Victor Wagner.

Discussion: https://postgr.es/m/20160326154321.7754ab8f@wagner.wagner.home
This commit is contained in:
Noah Misch
2017-11-23 20:22:04 -08:00
parent c253b722f6
commit 1695ce0686
4 changed files with 35 additions and 12 deletions
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17
config/perl.m4
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@ -86,12 +86,19 @@ AC_DEFUN([PGAC_CHECK_PERL_EMBED_LDFLAGS],
[AC_REQUIRE([PGAC_PATH_PERL])
AC_MSG_CHECKING(for flags to link embedded Perl)
if test "$PORTNAME" = "win32" ; then
perl_lib=`basename $perl_archlibexp/CORE/perl[[5-9]]*.lib .lib`
test -e "$perl_archlibexp/CORE/$perl_lib.lib" && perl_embed_ldflags="-L$perl_archlibexp/CORE -l$perl_lib"
perl_lib=`basename $perl_archlibexp/CORE/perl[[5-9]]*.lib .lib`
if test -e "$perl_archlibexp/CORE/$perl_lib.lib"; then
perl_embed_ldflags="-L$perl_archlibexp/CORE -l$perl_lib"
else
perl_lib=`basename $perl_archlibexp/CORE/libperl[[5-9]]*.a .a | sed 's/^lib//'`
if test -e "$perl_archlibexp/CORE/lib$perl_lib.a"; then
perl_embed_ldflags="-L$perl_archlibexp/CORE -l$perl_lib"
fi
fi
else
pgac_tmp1=`$PERL -MExtUtils::Embed -e ldopts`
pgac_tmp2=`$PERL -MConfig -e 'print $Config{ccdlflags}'`
perl_embed_ldflags=`echo X"$pgac_tmp1" | sed -e "s/^X//" -e "s%$pgac_tmp2%%" -e ["s/ -arch [-a-zA-Z0-9_]*//g"]`
pgac_tmp1=`$PERL -MExtUtils::Embed -e ldopts`
pgac_tmp2=`$PERL -MConfig -e 'print $Config{ccdlflags}'`
perl_embed_ldflags=`echo X"$pgac_tmp1" | sed -e "s/^X//" -e "s%$pgac_tmp2%%" -e ["s/ -arch [-a-zA-Z0-9_]*//g"]`
fi
AC_SUBST(perl_embed_ldflags)dnl
if test -z "$perl_embed_ldflags" ; then