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| author | Russell Bryant <russell@russellbryant.com> | 2006-06-28 21:33:39 +0000 |
|---|---|---|
| committer | Russell Bryant <russell@russellbryant.com> | 2006-06-28 21:33:39 +0000 |
| commit | 0f875c3664467ff73578818ed2f0e77513c0ad01 (patch) | |
| tree | 39812e69a786f7e5a90e7b23f5943d177e42eb7f /Makefile | |
| parent | ecab03293c5919cd6d0afccc46a2c5ff37e4f7e5 (diff) | |
?= just checks to see if a variable is not yet defined. If MENUSELECT_CFLAGS
was not found in the user level makeopts file, the variable is defined, but
empty.
I wish we could just require GNU make 3.81 :)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@36229 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -134,7 +134,9 @@ OTHER_SUBDIR_CFLAGS=-I../include -I.. ifeq ($(origin MENUSELECT_CFLAGS),undefined) MENUSELECT_CFLAGS:=$(shell grep MENUSELECT_CFLAGS $(USER_MAKEOPTS) .) - MENUSELECT_CFLAGS?=$(shell grep MENUSELECT_CFLAGS $(GLOBAL_MAKEOPTS) .) + ifeq ($(MENUSELECT_CFLAGS),) + MENUSELECT_CFLAGS:=$(shell grep MENUSELECT_CFLAGS $(GLOBAL_MAKEOPTS) .) + endif ifneq ($(MENUSELECT_CFLAGS),) MENUSELECT_CFLAGS:=$(shell echo $(MENUSELECT_CFLAGS) | cut -f2 -d'=') endif |