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authoriovar <iovar@f606c939-3180-4ac9-a4b8-4b8779d57d0a>2006-09-25 07:45:20 +0000
committeriovar <iovar@f606c939-3180-4ac9-a4b8-4b8779d57d0a>2006-09-25 07:45:20 +0000
commit4a831afd95e453a92c7da8445cbe0582c540f6cc (patch)
treeb3fe4cb47370c5902254b5580a5324bcc3722c4d /gtk-recordmydesktop/m4/as-ac-expand.m4
parentcc504650ca73cd9045c4bc2f89596954d2450257 (diff)
automake based project
git-svn-id: https://recordmydesktop.svn.sourceforge.net/svnroot/recordmydesktop/trunk@70 f606c939-3180-4ac9-a4b8-4b8779d57d0a
Diffstat (limited to 'gtk-recordmydesktop/m4/as-ac-expand.m4')
-rw-r--r--gtk-recordmydesktop/m4/as-ac-expand.m443
1 files changed, 43 insertions, 0 deletions
diff --git a/gtk-recordmydesktop/m4/as-ac-expand.m4 b/gtk-recordmydesktop/m4/as-ac-expand.m4
new file mode 100644
index 0000000..7bd0a61
--- /dev/null
+++ b/gtk-recordmydesktop/m4/as-ac-expand.m4
@@ -0,0 +1,43 @@
+dnl as-ac-expand.m4 0.1.0
+dnl autostars m4 macro for expanding directories using configure's prefix
+dnl thomas@apestaart.org
+
+dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR)
+dnl example
+dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
+dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local
+
+AC_DEFUN([AS_AC_EXPAND],
+[
+ EXP_VAR=[$1]
+ FROM_VAR=[$2]
+
+ dnl first expand prefix and exec_prefix if necessary
+ prefix_save=$prefix
+ exec_prefix_save=$exec_prefix
+
+ dnl if no prefix given, then use /usr/local, the default prefix
+ if test "x$prefix" = "xNONE"; then
+ prefix=/usr/local
+ fi
+ dnl if no exec_prefix given, then use prefix
+ if test "x$exec_prefix" = "xNONE"; then
+ exec_prefix=$prefix
+ fi
+
+ full_var="$FROM_VAR"
+ dnl loop until it doesn't change anymore
+ while true; do
+ new_full_var="`eval echo $full_var`"
+ if test "x$new_full_var"="x$full_var"; then break; fi
+ full_var=$new_full_var
+ done
+
+ dnl clean up
+ full_var=$new_full_var
+ AC_SUBST([$1], "$full_var")
+
+ dnl restore prefix and exec_prefix
+ prefix=$prefix_save
+ exec_prefix=$exec_prefix_save
+])
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