? glibc-ldflags-multilib.patch
Index: Manifest
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-libs/glibc/Manifest,v
retrieving revision 1.1406
diff -u -b -B -r1.1406 Manifest
Index: files/eblits/common.eblit
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-libs/glibc/files/eblits/common.eblit,v
retrieving revision 1.25
diff -u -b -B -r1.25 common.eblit
--- files/eblits/common.eblit	22 Dec 2011 01:09:58 -0000	1.25
+++ files/eblits/common.eblit	10 Jan 2012 01:16:41 -0000
@@ -141,6 +141,7 @@
 	CXXFLAGS=${CXXFLAGS_BASE}
 	ASFLAGS_BASE=${ASFLAGS_BASE-${ASFLAGS}}
 	ASFLAGS=${ASFLAGS_BASE}
+	LDFLAGS=${LDFLAGS_BASE:=${LDFLAGS}}
 
 	# Over-zealous CFLAGS can often cause problems.  What may work for one
 	# person may not work for another.  To avoid a large influx of bugs
@@ -148,7 +149,8 @@
 	# problems as possible.
 	strip-flags
 	strip-unsupported-flags
-	filter-flags -m32 -m64 -mabi=*
+	filter-flags -m32 -m64 -mx32 -mabi=*
+	filter-ldflags -m32 -m64 -mx32 -mabi=*
 
 	unset CBUILD_OPT CTARGET_OPT
 	if has_multilib_profile ; then
@@ -267,17 +269,25 @@
 		CFLAGS=${!VAR-${CFLAGS}}
 	fi
 
+	# Reverts CFLAGS and friends to their original values.
 	setup_flags
 
 	export ABI=${ABI:-${DEFAULT_ABI:-default}}
 
 	local VAR=CFLAGS_${ABI}
-	# We need to export CFLAGS with abi information in them because glibc's
-	# configure script checks CFLAGS for some targets (like mips).  Keep
-	# around the original clean value to avoid appending multiple ABIs on
-	# top of each other.
+	# We need to export CC+CFLAGS with abi information in them because glibc's
+	# configure script checks CC+CFLAGS for some targets (like mips).  Keep
+	# around the original clean values to avoid appending multiple ABIs on top
+	# of each other (setup_flags() manages keeping the original CFLAGS/LDFLAGS
+	# values).
 	: ${__GLIBC_CC:=$(tc-getCC ${CTARGET_OPT:-${CTARGET}})}
-	export __GLIBC_CC CC="${__GLIBC_CC} ${!VAR}"
+	CFLAGS="${CFLAGS} ${!VAR}"
+	CXXFLAGS="${CXXFLAGS} ${!VAR}"
+	ASFLAGS="${ASFLAGS} ${!VAR}"
+	# Because many _other_ packages ignore CFLAGS when linking, people have had
+	# to put -m32, etc. into LDFLAGS -- override here.
+	LDFLAGS="${LDFLAGS} ${!VAR}"
+	export __GLIBC_CC CC="${__GLIBC_CC} ${!VAR}" CFLAGS
 }
 
 just_headers() {
Index: files/eblits/src_compile.eblit
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-libs/glibc/files/eblits/src_compile.eblit,v
retrieving revision 1.21
diff -u -b -B -r1.21 src_compile.eblit
--- files/eblits/src_compile.eblit	12 Dec 2011 17:47:28 -0000	1.21
+++ files/eblits/src_compile.eblit	10 Jan 2012 01:16:41 -0000
@@ -105,7 +105,7 @@
 toolchain-glibc_src_compile() {
 	echo
 	local v
-	for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC CFLAGS ; do
+	for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC CFLAGS CPPFLAGS LDFLAGS ; do
 		einfo " $(printf '%15s' ${v}:)   ${!v}"
 	done
 	export CC=$(tc-getCC ${CTARGET})
@@ -170,6 +170,7 @@
 	CC=gcc \
 	CFLAGS="-O1 -pipe" \
 	CPPFLAGS="-U_FORTIFY_SOURCE" \
+	LDFLAGS="" \
 	"${S}"/configure ${myconf} || die "failed to configure glibc"
 }