Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b7bcef6f authored by Ingo Molnar's avatar Ingo Molnar
Browse files

tools/perf/build: Split out feature check: 'libelf-getphdrnum' 

Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/n/tip-wa9qstb8erbjreLxiHepzjfw@git.kernel.org


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 8869b17e

tools/perf/config/Makefile

+3 −2
Original line number Original line Diff line number Diff line
@@ -112,6 +112,7 @@ FEATURE_TESTS = \ 
	glibc				\

	glibc				\

	dwarf				\

	dwarf				\

	libelf-mmap			\

	libelf-mmap			\

	libelf-getphdrnum		\

	libnuma

	libnuma





$(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))

$(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -207,7 +208,7 @@ ifndef NO_LIBELF 
    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT

    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT

  endif

  endif





  ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM_SUPPORT),y)

  ifeq ($(feature-libelf-getphdrnum), 1)

    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT

    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT

  endif

  endif
@@ -230,7 +231,7 @@ ifndef NO_LIBELF 
  CFLAGS += -DHAVE_LIBELF_SUPPORT

  CFLAGS += -DHAVE_LIBELF_SUPPORT

  ifeq ($(feature-libelf-mmap), 1)

  ifeq ($(feature-libelf-mmap), 1)

    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT

    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT

  endif # try-cc

  endif

endif # NO_LIBELF

endif # NO_LIBELF





# There's only x86 (both 32 and 64) support for CFI unwind so far

# There's only x86 (both 32 and 64) support for CFI unwind so far

tools/perf/config/feature-checks/Makefile

+4 −0
Original line number Original line Diff line number Diff line
@@ -10,6 +10,7 @@ FILES= \ 
	test-glibc			\

	test-glibc			\

	test-dwarf			\

	test-dwarf			\

	test-libelf-mmap		\

	test-libelf-mmap		\

	test-libelf-getphdrnum		\

	test-libnuma

	test-libnuma





CC := $(CC) -MD

CC := $(CC) -MD
@@ -50,6 +51,9 @@ test-dwarf: 
test-libelf-mmap:

test-libelf-mmap:

	$(BUILD) -lelf

	$(BUILD) -lelf





test-libelf-getphdrnum:

	$(BUILD) -lelf



test-libnuma:

test-libnuma:

	$(BUILD) -lnuma

	$(BUILD) -lnuma

tools/perf/config/feature-checks/test-libelf-getphdrnum.c

0 → 100644
+7 −0
Original line number Original line Diff line number Diff line 
#include <libelf.h>

#

int main(void)

{

	size_t dst;

	return elf_getphdrnum(0, &dst);

}