[oe-commits] Phil Blundell : binutils: allow distro to select gold as default linker

[git version control]

Module: openembedded-core.git
Branch: master
Commit: 207a9013670560d62c793a66f01e19f4760a71a8
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=207a9013670560d62c793a66f01e19f4760a71a8

Author: Phil Blundell <pb at pbcl.net>
Date:   Mon Jun 27 16:51:16 2011 +0100

binutils: allow distro to select gold as default linker

But ensure that gcc-cross-intermediate always uses ld.bfd since
(e)glibc won't build with gold.

Signed-off-by: Phil Blundell <philb at gnu.org>

---

 meta/recipes-devtools/binutils/binutils-cross.inc  |    3 ++-
 .../gcc/gcc-cross-intermediate.inc                 |    7 ++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/meta/recipes-devtools/binutils/binutils-cross.inc b/meta/recipes-devtools/binutils/binutils-cross.inc
index 4b90972..5a41970 100644
--- a/meta/recipes-devtools/binutils/binutils-cross.inc
+++ b/meta/recipes-devtools/binutils/binutils-cross.inc
@@ -5,7 +5,8 @@ EXTRA_OECONF = "--with-sysroot=${STAGING_DIR_TARGET} \
                 --program-prefix=${TARGET_PREFIX} \
                 --disable-install-libbfd \
                 --disable-werror \
-                --enable-poison-system-directories"
+                --enable-poison-system-directories \
+		${@base_contains('DISTRO_FEATURES', 'ld-is-gold', '--enable-gold=default', '', d)}"
 
 do_install () {
 	oe_runmake 'DESTDIR=${D}' install
diff --git a/meta/recipes-devtools/gcc/gcc-cross-intermediate.inc b/meta/recipes-devtools/gcc/gcc-cross-intermediate.inc
index 92c3ce2..05b5dbc 100644
--- a/meta/recipes-devtools/gcc/gcc-cross-intermediate.inc
+++ b/meta/recipes-devtools/gcc/gcc-cross-intermediate.inc
@@ -7,6 +7,10 @@ CROSS_TARGET_SYS_DIR_append = ".${PN}"
 
 # This is intended to be a -very- basic config
 # sysroot is needed in case we use libc-initial
+#
+# Glibc won't compile with gold, and building glibc is the whole point of
+# this recipe.   So we select ld.bfd explicitly here if gold is the distro's 
+# preferred linker.
 EXTRA_OECONF = "--with-local-prefix=${STAGING_DIR_TARGET}${target_prefix} \
 		--enable-shared \
 		--disable-multilib \
@@ -17,7 +21,8 @@ EXTRA_OECONF = "--with-local-prefix=${STAGING_DIR_TARGET}${target_prefix} \
 		--with-sysroot=${STAGING_DIR_TCBOOTSTRAP} \
 		--with-build-sysroot=${STAGING_DIR_TCBOOTSTRAP} \
 		${EXTRA_OECONF_INTERMEDIATE} \
-		${@get_gcc_fpu_setting(bb, d)}"
+		${@get_gcc_fpu_setting(bb, d)} \
+		${@base_contains('DISTRO_FEATURES', 'ld-is-gold', '--with-ld=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}ld.bfd', '', d)}"
 
 do_populate_sysroot[sstate-inputdirs] = "${SYSROOT_DESTDIR}/${STAGING_DIR_HOST} ${SYSROOT_DESTDIR}/${STAGING_DIR_TARGET}/${target_base_libdir}"
 do_populate_sysroot[sstate-outputdirs] = "${STAGING_DIR_HOST} ${STAGING_DIR_TCBOOTSTRAP}/${target_base_libdir}"