From: Ingo Molnar <mingo@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
David Ahern <dsahern@gmail.com>, Jiri Olsa <jolsa@redhat.com>
Subject: [PATCH 11/50] tools/perf/build: Split out feature check: 'libelf'
Date: Mon, 7 Oct 2013 13:56:04 +0200 [thread overview]
Message-ID: <1381147003-2574-12-git-send-email-mingo@kernel.org> (raw)
In-Reply-To: <1381147003-2574-1-git-send-email-mingo@kernel.org>
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-qznhihaasbysfqO7ffvRsf9q@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
tools/perf/config/Makefile | 4 ++--
tools/perf/config/feature-checks/Makefile | 4 ++++
tools/perf/config/feature-checks/test-libelf.c | 7 +++++++
3 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 3e9fe16..98a7157 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -108,6 +108,7 @@ FEATURE_TESTS = \
volatile-register-var \
fortify-source \
bionic \
+ libelf \
libnuma
$(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -163,8 +164,7 @@ ifdef NO_LIBELF
NO_DEMANGLE := 1
NO_LIBUNWIND := 1
else
- FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
- ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
+ ifeq ($(feature-libelf), 0)
FLAGS_GLIBC=$(CFLAGS) $(LDFLAGS)
ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
LIBC_SUPPORT := 1
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index 191df97..789a38d 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -6,6 +6,7 @@ FILES= \
test-volatile-register-var \
test-fortify-source \
test-bionic \
+ test-libelf \
test-libnuma
CC := $(CC) -MD
@@ -34,6 +35,9 @@ test-fortify-source:
test-bionic:
$(BUILD)
+test-libelf:
+ $(BUILD) -lelf
+
test-libnuma:
$(BUILD) -lnuma
diff --git a/tools/perf/config/feature-checks/test-libelf.c b/tools/perf/config/feature-checks/test-libelf.c
new file mode 100644
index 0000000..1a08f97
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-libelf.c
@@ -0,0 +1,7 @@
+#include <libelf.h>
+
+int main(void)
+{
+ Elf *elf = elf_begin(0, ELF_C_READ, 0);
+ return (long)elf;
+}
--
1.7.11.7
next prev parent reply other threads:[~2013-10-07 12:09 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-07 11:55 [RFC PATCH 00/50] tools/perf: Speed up the build system Ingo Molnar
2013-10-07 11:55 ` [PATCH 01/50] tools/perf: Standardize feature support define names to: HAVE_{FEATURE}_SUPPORT Ingo Molnar
2013-10-07 11:55 ` [PATCH 02/50] tools/perf/build: Add feature check core code Ingo Molnar
2013-10-07 11:55 ` [PATCH 03/50] tools/perf/build: Add 'autodep' functionality, generate feature test dependencies automatically Ingo Molnar
2013-10-07 11:55 ` [PATCH 04/50] tools/perf/build: Split out feature check: 'libnuma' Ingo Molnar
2013-10-07 11:55 ` [PATCH 05/50] tools/perf/build: Split out feature check: 'stackprotector-all' Ingo Molnar
2013-10-07 11:55 ` [PATCH 06/50] tools/perf/build: Split out feature check: 'stackprotector' Ingo Molnar
2013-10-07 11:56 ` [PATCH 07/50] tools/perf/build: Split out feature check: 'volatile-register-var' Ingo Molnar
2013-10-07 11:56 ` [PATCH 08/50] tools/perf/build: Split out feature check: 'fortify-source' Ingo Molnar
2013-10-07 11:56 ` [PATCH 09/50] tools/perf/build: Split out feature check: 'bionic' Ingo Molnar
2013-10-07 11:56 ` [PATCH 10/50] tools/perf/build: Clean up the libelf logic in config/Makefile Ingo Molnar
2013-10-07 11:56 ` Ingo Molnar [this message]
2013-10-07 11:56 ` [PATCH 12/50] tools/perf/build: Split out feature check: 'glibc' Ingo Molnar
2013-10-07 11:56 ` [PATCH 13/50] tools/perf/build: Split out feature check: 'dwarf' Ingo Molnar
2013-10-07 11:56 ` [PATCH 14/50] tools/perf/build: Clean up the mmap logic in config/Makefile Ingo Molnar
2013-10-07 11:56 ` [PATCH 15/50] tools/perf/build: Split out feature check: 'libelf-mmap' Ingo Molnar
2013-10-07 11:56 ` [PATCH 16/50] tools/perf/build: Split out feature check: 'libelf-getphdrnum' Ingo Molnar
2013-10-07 11:56 ` [PATCH 17/50] tools/perf/build: Clean up the libunwind logic in config/Makefile Ingo Molnar
2013-10-07 11:56 ` [PATCH 18/50] tools/perf/build: Split out feature check: 'libunwind' Ingo Molnar
2013-10-07 11:56 ` [PATCH 19/50] tools/perf/build: Split out feature check: 'libaudit' Ingo Molnar
2013-10-07 21:00 ` Jiri Olsa
2013-10-08 8:19 ` Ingo Molnar
2013-10-07 11:56 ` [PATCH 20/50] tools/perf/build: Split out feature check: 'libslang' Ingo Molnar
2013-10-07 14:52 ` David Ahern
2013-10-08 8:06 ` Ingo Molnar
2013-10-07 11:56 ` [PATCH 21/50] tools/perf/build: Split out feature check: 'gtk2' Ingo Molnar
2013-10-07 11:56 ` [PATCH 22/50] tools/perf/build: Split out feature check: 'gtk2-infobar' Ingo Molnar
2013-10-07 11:56 ` [PATCH 23/50] tools/perf/build: Split out feature check: 'libperl' Ingo Molnar
2013-10-07 11:56 ` [PATCH 24/50] tools/perf/build: Split out feature check: 'libpython' Ingo Molnar
2013-10-07 11:56 ` [PATCH 25/50] tools/perf/build: Split out feature check: 'libpython-version' Ingo Molnar
2013-10-07 11:56 ` [PATCH 26/50] tools/perf/build: Split out feature check: 'libbfd' Ingo Molnar
2013-10-07 15:11 ` David Ahern
2013-10-07 21:18 ` Jiri Olsa
2013-10-08 8:15 ` Ingo Molnar
2013-10-07 11:56 ` [PATCH 27/50] tools/perf/build: Split out feature check: 'on-exit' Ingo Molnar
2013-10-07 11:56 ` [PATCH 28/50] tools/perf/build: Split out feature check: 'backtrace' Ingo Molnar
2013-10-07 11:56 ` [PATCH 29/50] tools/perf: Clean up util/include/linux/compiler.h Ingo Molnar
2013-10-07 11:56 ` [PATCH 30/50] tools/perf: Turn strlcpy() into a __weak function Ingo Molnar
2013-10-07 11:56 ` [PATCH 31/50] tools/perf/build: Speed up auto-detection of features by adding a 'test-all' target Ingo Molnar
2013-10-07 21:27 ` Jiri Olsa
2013-10-08 8:23 ` Ingo Molnar
2013-10-07 21:59 ` Jiri Olsa
2013-10-07 11:56 ` [PATCH 32/50] tools/perf/build: Speed up git-version test on re-make Ingo Molnar
2013-10-07 11:56 ` [PATCH 33/50] tools/perf/build: Speed up the final link Ingo Molnar
2013-10-07 11:56 ` [PATCH 34/50] tools/perf: Fix double/triple-build of the feature detection logic during 'make install' et al Ingo Molnar
2013-10-07 11:56 ` [PATCH 35/50] tools/perf/build: Invoke feature-checks 'clean' target from the main Makefile Ingo Molnar
2013-10-07 11:56 ` [PATCH 36/50] tools/perf/build: Speed up auto-detection Ingo Molnar
2013-10-07 21:57 ` Jiri Olsa
2013-10-08 8:36 ` Ingo Molnar
2013-10-07 11:56 ` [PATCH 37/50] tools/perf/build: Improve printout-of auto-detected features Ingo Molnar
2013-10-07 22:12 ` Jiri Olsa
2013-10-08 8:46 ` Ingo Molnar
2013-10-08 15:51 ` Jiri Olsa
2013-10-09 6:42 ` [PATCH 53/52] tools/perf/build: Clean up feature_print_code() Ingo Molnar
2013-10-09 8:38 ` Jiri Olsa
2013-10-15 5:20 ` [tip:perf/core] " tip-bot for Jiri Olsa
2013-10-07 11:56 ` [PATCH 38/50] tools/perf/build: Automatically build in parallel, based on number of CPUs in the system Ingo Molnar
2013-10-07 11:56 ` [PATCH 39/50] tools/perf/build: Flip Makefile.parallel and Makefile.perf Ingo Molnar
2013-10-07 11:56 ` [PATCH 40/50] tools/perf/build: Standardize the various messages output by parallel make Ingo Molnar
2013-10-07 11:56 ` [PATCH 41/50] tools/perf/build: Split out feature checks: 'liberty', 'liberty-z', 'cplus-demangle' Ingo Molnar
2013-10-07 11:56 ` [PATCH 42/50] tools/perf/build: Remove unused config/feature-tests.mak Ingo Molnar
2013-10-07 11:56 ` [PATCH 43/50] tools/perf/build: Clean up various testcases Ingo Molnar
2013-10-07 11:56 ` [PATCH 44/50] tools/perf/build: Collapse the test-all.c testcase Ingo Molnar
2013-10-07 22:25 ` Jiri Olsa
2013-10-08 8:47 ` Ingo Molnar
2013-10-07 11:56 ` [PATCH 45/50] tools/perf/build: Pass through all targets to Makefile.perf Ingo Molnar
2013-10-07 11:56 ` [PATCH 46/50] tools/perf/build: Make sure autodep feature binaries honor the O= setting Ingo Molnar
2013-10-07 11:56 ` [PATCH 47/50] tools/perf/build: Exclude MAKEFLAGS from nested invocation Ingo Molnar
2013-10-07 11:56 ` [PATCH 48/50] tools/perf/build: Fix non-canonical directory names in O= Ingo Molnar
2013-10-07 11:56 ` [PATCH 49/50] tools/perf/build: Fix O=/some/dir perf.o type of targets Ingo Molnar
2013-10-07 22:33 ` Jiri Olsa
2013-10-08 8:49 ` Ingo Molnar
2013-10-07 11:56 ` [PATCH 50/50] tools/perf/build: Harmonize the style of the feature testcases Ingo Molnar
2013-10-07 13:52 ` [RFC PATCH 00/50] tools/perf: Speed up the build system David Ahern
2013-10-07 14:11 ` Ingo Molnar
2013-10-07 15:35 ` David Ahern
2013-10-07 15:51 ` [PATCH] tools/perf/build: Pass through LDFLAGS to feature tests Ingo Molnar
2013-10-07 16:07 ` David Ahern
2013-10-15 5:20 ` [tip:perf/core] " tip-bot for Ingo Molnar
2013-10-07 16:41 ` [RFC PATCH 00/50] tools/perf: Speed up the build system Ingo Molnar
2013-10-08 1:41 ` David Ahern
2013-10-08 12:48 ` Ingo Molnar
2013-10-07 20:15 ` Andi Kleen
2013-10-08 9:02 ` Ingo Molnar
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