linux/tools/build
Rabin Vincent 3af6ed84eb 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>
2015-10-29 17:46:35 -03:00
..
Documentation tools build: Build fixdep helper from perf and basic libs 2015-09-28 15:50:55 -03:00
feature tools build: Fix libiberty feature detection 2015-10-29 17:46:35 -03:00
tests tools build: Build fixdep helper from perf and basic libs 2015-09-28 15:50:55 -03:00
.gitignore perf build: Add fixdep to .gitignore 2015-10-20 10:43:28 -03:00
Build tools build: Add fixdep dependency helper 2015-09-28 15:50:55 -03:00
Build.include tools build: Make the fixdep helper part of the build process 2015-09-28 15:50:55 -03:00
Makefile tools build: Add fixdep dependency helper 2015-09-28 15:50:55 -03:00
Makefile.build tools build: Make the fixdep helper part of the build process 2015-09-28 15:50:55 -03:00
Makefile.feature perf tools: Make perf depend on libbpf 2015-10-28 12:48:12 -03:00
Makefile.include tools build: Fix cross compile build 2015-10-13 11:59:43 -03:00
fixdep.c tools build: Add fixdep dependency helper 2015-09-28 15:50:55 -03:00