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authorMasami Hiramatsu <mhiramat@redhat.com>2010-03-22 13:10:27 -0300
committerIngo Molnar <mingo@elte.hu>2010-03-22 18:47:35 +0100
commitca721e45b39209415d2288dbac3667b26d9d1def (patch)
treed288d047b1099164e58f432804e7ad6bba6973b2 /tools
parent4b4da7f76660ea8b5aa45615165c48f62167ffa8 (diff)
perf probe: Add NO_DWARF make option
Add NO_DWARF make option for testing build without libdw. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1269274229-20442-3-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index c9918182715a..690364577611 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -150,6 +150,8 @@ all::
# Define LDFLAGS=-static to build a static binary.
#
# Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds.
+#
+# Define NO_DWARF if you do not want debug-info analysis feature at all.
PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
@$(SHELL_PATH) util/PERF-VERSION-GEN
@@ -507,10 +509,12 @@ endif
ifneq ($(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) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/elfutils -ldw -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
msg := $(warning No libdw.h found or old libdw.h found, disables dwarf support. Please install elfutils-devel/elfutils-dev);
else
+ifndef NO_DWARF
BASIC_CFLAGS += -I/usr/include/elfutils -DDWARF_SUPPORT
EXTLIBS += -lelf -ldw
LIB_OBJS += util/probe-finder.o
endif
+endif
ifneq ($(shell sh -c "(echo '\#include <newt.h>'; echo 'int main(void) { newtInit(); newtCls(); return newtFinished(); }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -lnewt -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
msg := $(warning newt not found, disables TUI support. Please install newt-devel or libnewt-dev);