Allow to specify build dir via make O=<dir>.

diff --git a/Makefile.in b/Makefile.in
index 52058012114c2e47de4c3c23095a0faf013dfa61..39c938caca3829af440901e52d40183bd104c80e 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -24,7 +24,11 @@ GIT_VERSION := $(shell ./GIT-VERSION-GEN git-version.h)
 
 m4_ggo_dir := m4/gengetopt
 test_dir := t
-build_dir := build
+ifeq ("$(origin O)", "command line")
+       build_dir := $(O)
+else
+       build_dir := build
+endif
 ggo_dir := $(build_dir)/ggo
 object_dir := $(build_dir)/objects
 man_dir := $(build_dir)/man/man1