Detect Windows perl linkage parameters in configure script.

This means we can now construct a configure test for the library
presence. Previously these parameters were only figured out at
build time in plperl's GnuMakefile.

config/perl.m4

@@ -38,6 +38,7 @@ AC_DEFUN([PGAC_CHECK_PERL_CONFIG],
 [AC_REQUIRE([PGAC_PATH_PERL])
 AC_MSG_CHECKING([for Perl $1])
 perl_$1=`$PERL -MConfig -e 'print $Config{$1}'`
+test "$PORTNAME" = "win32" && perl_$1=`echo $perl_$1 | sed 's,\\\\,/,g'`
 AC_SUBST(perl_$1)dnl
 AC_MSG_RESULT([$perl_$1])])
 
@@ -57,9 +58,14 @@ AC_DEFUN([PGAC_CHECK_PERL_CONFIGS],
 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$perl_lib"
+else
 pgac_tmp1=`$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%$pgac_tmp2%%" -e ["s/ -arch [-a-zA-Z0-9_]*//g"]`
+fi
 AC_SUBST(perl_embed_ldflags)dnl
 if test -z "$perl_embed_ldflags" ; then
 	AC_MSG_RESULT(no)

configure

@@ -7320,24 +7320,32 @@ $as_echo "$as_me: error: Perl not found" >&2;}
 { $as_echo "$as_me:$LINENO: checking for Perl archlibexp" >&5
 $as_echo_n "checking for Perl archlibexp... " >&6; }
 perl_archlibexp=`$PERL -MConfig -e 'print $Config{archlibexp}'`
+test "$PORTNAME" = "win32" && perl_archlibexp=`echo $perl_archlibexp | sed 's,\\\\,/,g'`
 { $as_echo "$as_me:$LINENO: result: $perl_archlibexp" >&5
 $as_echo "$perl_archlibexp" >&6; }
 { $as_echo "$as_me:$LINENO: checking for Perl privlibexp" >&5
 $as_echo_n "checking for Perl privlibexp... " >&6; }
 perl_privlibexp=`$PERL -MConfig -e 'print $Config{privlibexp}'`
+test "$PORTNAME" = "win32" && perl_privlibexp=`echo $perl_privlibexp | sed 's,\\\\,/,g'`
 { $as_echo "$as_me:$LINENO: result: $perl_privlibexp" >&5
 $as_echo "$perl_privlibexp" >&6; }
 { $as_echo "$as_me:$LINENO: checking for Perl useshrplib" >&5
 $as_echo_n "checking for Perl useshrplib... " >&6; }
 perl_useshrplib=`$PERL -MConfig -e 'print $Config{useshrplib}'`
+test "$PORTNAME" = "win32" && perl_useshrplib=`echo $perl_useshrplib | sed 's,\\\\,/,g'`
 { $as_echo "$as_me:$LINENO: result: $perl_useshrplib" >&5
 $as_echo "$perl_useshrplib" >&6; }
 
 { $as_echo "$as_me:$LINENO: checking for flags to link embedded Perl" >&5
 $as_echo_n "checking for flags to link embedded Perl... " >&6; }
+if test "$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$perl_lib"
+else
 pgac_tmp1=`$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%$pgac_tmp2%%" -e "s/ -arch [-a-zA-Z0-9_]*//g"`
+fi
 if test -z "$perl_embed_ldflags" ; then
 	{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }

src/pl/plperl/GNUmakefile

@@ -16,10 +16,6 @@ endif
 ifeq ($(shared_libperl),yes)
 
 ifeq ($(PORTNAME), win32)
-perl_archlibexp := $(subst \,/,$(perl_archlibexp))
-perl_privlibexp := $(subst \,/,$(perl_privlibexp))
-perl_lib := $(basename $(notdir $(wildcard $(perl_archlibexp)/CORE/perl[5-9]*.lib)))
-perl_embed_ldflags = -L$(perl_archlibexp)/CORE -l$(perl_lib)
 override CPPFLAGS += -DPLPERL_HAVE_UID_GID
 # Perl on win32 contains /* within comment all over the header file,
 # so disable this warning.