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Subject[tip:perf/core] perf tools: Emit more precise message for missing glibc static library
Commit-ID:  f9ca2d8918979e8ef806a8b6b4635a79b4f40d1a
Gitweb: http://git.kernel.org/tip/f9ca2d8918979e8ef806a8b6b4635a79b4f40d1a
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Thu, 5 Jun 2014 12:46:04 -0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 9 Jun 2014 12:14:08 -0300

perf tools: Emit more precise message for missing glibc static library

When the user does:

make -C tools/perf LDFLAGS=-static

asking for a static build, and the glibc-static (or equivalent) is not
found, the message wasn't clear, stating that one of glibc-devel or
glibc-static wasn't installed, clarify it checking if -static is
present in LDFLAGS.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-7e0sfobbzgeydzi9gsz8ss3m@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/config/Makefile | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 4f100b5..f30ac5e 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -299,7 +299,11 @@ else
NO_LIBUNWIND := 1
NO_LIBDW_DWARF_UNWIND := 1
else
- msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
+ ifneq ($(filter s% -static%,$(LDFLAGS),),)
+ msg := $(error No static glibc found, please install glibc-static);
+ else
+ msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
+ endif
endif
else
ifndef NO_LIBDW_DWARF_UNWIND

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