diff options
| author | Masami Hiramatsu <mhiramat@redhat.com> | 2010-05-11 08:59:53 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-05-11 19:43:11 +0400 |
| commit | 6b3c4ef50441e85dc9b2c9b67e95e8ad1185c15e (patch) | |
| tree | 4e79cc3b7cee63a5de40d2f82c756413dafb235c /tools | |
| parent | b09e0190acf88c7fe3b05e3c331e1b2ef5310896 (diff) | |
| download | linux-6b3c4ef50441e85dc9b2c9b67e95e8ad1185c15e.tar.xz | |
perf probe: Check older elfutils and set NO_DWARF
Check whether elfutils is older than 0.138 (from which version checking
routine has been introduced). And if so, set NO_DWARF because it is hard
to check the API dependency without version checking.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Reported-by: Robert Richter <robert.richter@amd.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <20100511045953.9913.19485.stgit@localhost6.localdomain6>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/Makefile | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 0ef5cfe52f2d..b28bb7359b14 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -506,8 +506,8 @@ PERFLIBS = $(LIB_FILE) -include config.mak ifndef NO_DWARF -ifneq ($(shell sh -c "(echo '\#include <dwarf.h>'; echo '\#include <libdw.h>'; echo 'int main(void) { Dwarf *dbg; dbg = dwarf_begin(0, DWARF_C_READ); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -I/usr/include/elfutils -ldw -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y) - msg := $(warning No libdw.h found or old libdw.h found, disables dwarf support. Please install elfutils-devel/libdw-dev); +ifneq ($(shell sh -c "(echo '\#include <dwarf.h>'; echo '\#include <libdw.h>'; echo '\#include <version.h>'; echo '\#ifndef _ELFUTILS_PREREQ'; echo '\#error'; echo '\#endif'; echo 'int main(void) { Dwarf *dbg; dbg = dwarf_begin(0, DWARF_C_READ); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -I/usr/include/elfutils -ldw -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y) + msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev); NO_DWARF := 1 endif # Dwarf support endif # NO_DWARF |