missing-macros: add as-ac-expand.m4

SVN-Revision: 24846
owl
Jo-Philipp Wich 2010-12-29 09:39:09 +00:00
parent dc9c1ac1f7
commit 1fa3f197f6
3 changed files with 50 additions and 1 deletions

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@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=missing-macros
PKG_VERSION:=6
PKG_VERSION:=7
include $(INCLUDE_DIR)/host-build.mk

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@ -61,6 +61,12 @@ XMMS feature detection macros.
xmms.m4
From ao:
Directory expansion macro for Automake.
as-ac-expand.m4
From OpenWrt:
Always disable GTK docs.

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@ -0,0 +1,43 @@
dnl as-ac-expand.m4 0.2.0
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="$ac_default_prefix"
fi
dnl if no exec_prefix given, then use prefix
if test "x$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
])