ovs-dev.py: Add "-fno-omit-frame-pointer" compiler argument.

This makes it easier for development tools including "perf", give
clean backtraces on x86-64 systems.

Signed-off-by: Ethan Jackson <ethan@nicira.com>
Acked-by: Jarno Rajahalme <jrajahalme@nicira.com>

diff --git a/utilities/ovs-dev.py b/utilities/ovs-dev.py
index 7b69094..39af37a 100755 (executable)
--- a/utilities/ovs-dev.py
+++ b/utilities/ovs-dev.py
@@ -28,7 +28,7 @@ BUILD_GCC = OVS_SRC + "/_build-gcc"
 BUILD_CLANG = OVS_SRC + "/_build-clang"
 PATH = "%(ovs)s/utilities:%(ovs)s/ovsdb:%(ovs)s/vswitchd" % {"ovs": BUILD_GCC}
 
-ENV["CFLAGS"] = "-g -O0"
+ENV["CFLAGS"] = "-g -fno-omit-frame-pointer -O0"
 ENV["PATH"] = PATH + ":" + ENV["PATH"]
 
 options = None