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authorRabin Vincent <rabin.vincent@axis.com>2015-10-29 08:49:37 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-10-29 17:46:35 -0300
commit3af6ed84eb43c587beb5f3252222e39e65d08c61 (patch)
tree6d683ca6fbf2ef2da1bb6df5b4bf2a2be709918c /tools/build
parentd509db0473e40134286271b1d1adadccf42ac467 (diff)
downloadlinux-sh-3af6ed84eb43c587beb5f3252222e39e65d08c61.tar.gz
tools build: Fix libiberty feature detection
Any CFLAGS or LDFLAGS set by the user need to be passed to the feature build command. This many include for example -I or -L to point to libraries and include files in custom paths. In most of the test-*.bin rules in build/feature/Makefile, we use the BUILD macro which always sends in CFLAGS and LDFLAGS. The libiberty build line however doesn't use the BUILD macro and thus needs to send in CFLAGS and LDFLAGS explicitly. Without this, when using custom CFLAGS/LDFLAGS, libiberty fails to be detected and the perf link fails with something like: LINK perf libbfd.a(bfd.o): In function `bfd_errmsg': bfd.c:(.text+0x168): undefined reference to `xstrerror' bbfd.a(opncls.o): In function `_bfd_new_bfd': opncls.c:(.text+0xe8): undefined reference to `objalloc_create' ... Signed-off-by: Rabin Vincent <rabin.vincent@axis.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Rabin Vincent <rabinv@axis.com> Link: http://lkml.kernel.org/r/1446104978-26429-2-git-send-email-rabin.vincent@axis.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/build')
-rw-r--r--tools/build/feature/Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index e43a2971bf56..cea04ce9f35c 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -132,10 +132,10 @@ test-libbfd.bin:
$(BUILD) -DPACKAGE='"perf"' -lbfd -lz -liberty -ldl
test-liberty.bin:
- $(CC) -Wall -Werror -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty
+ $(CC) $(CFLAGS) -Wall -Werror -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty
test-liberty-z.bin:
- $(CC) -Wall -Werror -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty -lz
+ $(CC) $(CFLAGS) -Wall -Werror -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty -lz
test-cplus-demangle.bin:
$(BUILD) -liberty