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authorBaruch Siach <baruch@tkos.co.il>2011-06-23 09:21:21 (GMT)
committer Peter Korsgaard <jacmet@sunsite.dk>2011-07-25 06:31:15 (GMT)
commitec8eda419a54674a0d326ea25bd9c440cd059065 (patch)
tree3853d482c68d3563daf0d1209d4b9dfa59a05cdf
parent0af4136c544aecf7950a76996fd76cc8c208d604 (diff)
downloadbuildroot-ec8eda419a54674a0d326ea25bd9c440cd059065.tar.gz
buildroot-ec8eda419a54674a0d326ea25bd9c440cd059065.tar.bz2
toolchain: add user defined target LDFLAGS options
Allow the user to specify additional options for the target LDFLAGS. I use this to pass the -te500v2 option to the linker, when using the CodeSourcery toolchain for PowerPC. This chooses the correct CRT for e500 hard float. Otherwise I get errors like undefined reference to `_save32gpr_31' undefined reference to `_rest32gpr_31_x' at final link time. [Peter: fixup, use qstrip] Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
-rw-r--r--package/Makefile.in1
-rw-r--r--toolchain/toolchain-common.in5
2 files changed, 6 insertions, 0 deletions
diff --git a/package/Makefile.in b/package/Makefile.in
index 8e9637c..c3af5d3 100644
--- a/package/Makefile.in
+++ b/package/Makefile.in
@@ -77,6 +77,7 @@ TARGET_CFLAGS+=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
endif
TARGET_CXXFLAGS=$(TARGET_CFLAGS)
+TARGET_LDFLAGS=$(call qstrip,$(BR2_TARGET_LDFLAGS))
ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_CTNG),y)
TARGET_CROSS=$(HOST_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-
diff --git a/toolchain/toolchain-common.in b/toolchain/toolchain-common.in
index 4a2f379..bbb7be6 100644
--- a/toolchain/toolchain-common.in
+++ b/toolchain/toolchain-common.in
@@ -96,3 +96,8 @@ config BR2_TARGET_OPTIMIZATION
help
Optimizations to use when building for the target host.
NOTE: gcc optimization level is defined in build options.
+
+config BR2_TARGET_LDFLAGS
+ string "Target linker options"
+ help
+ Extra options to pass to the linker when buiding for the target.