gryf/wmaker
1
0
Fork 0
mirror of https://github.com/gryf/wmaker.git synced 2026-01-07 14:24:14 +01:00
Code Issues Projects Releases Wiki Activity

configure: Created new macro to append only once a flag to a variable

Browse Source 
Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
This commit is contained in:
Christophe CURIS
2013-11-17 22:30:16 +01:00
committed by Carlos R. Mafra
parent fbe202f49b
commit da597a4b87
2 changed files with 25 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
m4/windowmaker.m4
View File

@@ -102,3 +102,22 @@ $[]2], [ $[]3;])],
AS_SET_STATUS([$wm_retval])
}
])
# WM_APPEND_ONCE
# --------------
#
# Append flags to a variable, but only if not already present
#
# Usage: WM_APPEND_ONCE([libflags], [variable])
# $1 libflags: the list of flag to append
# $2 variable: the variable, if unset use LIBS
AC_DEFUN([WM_APPEND_ONCE],
[AS_VAR_PUSHDEF([VAR], [m4_ifnblank([$2], [$2], [LIBS])])dnl
for wm_arg in $1 ; do
AS_IF([echo " $VAR " | grep " $wm_arg " 2>&1 >/dev/null],
[@%:@ Flag already present in VAR],
[VAR="$VAR $wm_arg"])
done
AS_VAR_POPDEF([VAR])dnl
])