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?= just checks to see if a variable is not yet defined. If MENUSELECT_CFLAGS

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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
This commit is contained in:
Russell Bryant
2006-06-28 21:33:39 +00:00
parent ecab03293c
commit 0f875c3664
1 changed files with 3 additions and 1 deletions
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4
Makefile
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@@ -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