From 5e6ed15aa9d80ff832532fd7896120d42e9332c4 Mon Sep 17 00:00:00 2001
From: newbluemoon <blaumolch@mailbox.org>
Date: Tue, 21 Aug 2018 23:52:58 +0200
Subject: [PATCH] build-style/perl-ModuleBuild.sh: fix cross

---
 common/build-style/perl-ModuleBuild.sh | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/common/build-style/perl-ModuleBuild.sh b/common/build-style/perl-ModuleBuild.sh
index b5f7ea8c2ff..cf990482d6c 100644
--- a/common/build-style/perl-ModuleBuild.sh
+++ b/common/build-style/perl-ModuleBuild.sh
@@ -8,10 +8,21 @@
 #
 do_configure() {
 	if [ -f Build.PL ]; then
+		# When cross compiling Module::Build reads in the build flags from the host perl, not the target:
+		# extract the target specific flags (the ones also set in perl’s template) from
+		# the target perl configuration and use them to override Module::Build’s default
+		_conf="${XBPS_CROSS_BASE}/usr/lib/perl5/core_perl/Config_heavy.pl"
+		_optimize=$(sed -n "s;^optimize='\(.*\)';\1;p" $_conf)
+		_ccflags=$(sed -n "s;^ccflags='\(.*\)';\1;p" $_conf)
+		_lddlflags=$(sed -n "s;^lddlflags='\(.*\)';\1;p" $_conf)
+		_ldflags=$(sed -n "s;^ldflags='\(.*\)';\1;p" $_conf)
+
 		PERL_MM_USE_DEFAULT=1 PERL_MM_OPT="INSTALLDIRS=vendor DESTDIR='$DESTDIR'" \
 			PERL_MB_OPT="--installdirs vendor --destdir '$DESTDIR'" \
 			LD="$CC" CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS" \
-			perl Build.PL ${configure_args} INSTALLDIRS=vendor
+			perl Build.PL --config optimize="$_optimize" --config ccflags="$_ccflags" \
+			--config lddlflags="$_lddlflags" --config ldflags="$_ldflags" \
+			${configure_args} INSTALLDIRS=vendor
 	else
 		msg_error "$pkgver: cannot find Build.PL for perl module!\n"
 	fi