From 1fa3f197f65e8eceeaed5aff1f16f789b911df32 Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Wed, 29 Dec 2010 09:39:09 +0000 Subject: [PATCH] missing-macros: add as-ac-expand.m4 SVN-Revision: 24846 --- tools/missing-macros/Makefile | 2 +- tools/missing-macros/src/README | 6 +++ tools/missing-macros/src/m4/as-ac-expand.m4 | 43 +++++++++++++++++++++ 3 files changed, 50 insertions(+), 1 deletion(-) create mode 100644 tools/missing-macros/src/m4/as-ac-expand.m4 diff --git a/tools/missing-macros/Makefile b/tools/missing-macros/Makefile index 4f7564662f..1d2726d5d5 100644 --- a/tools/missing-macros/Makefile +++ b/tools/missing-macros/Makefile @@ -8,7 +8,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=missing-macros -PKG_VERSION:=6 +PKG_VERSION:=7 include $(INCLUDE_DIR)/host-build.mk diff --git a/tools/missing-macros/src/README b/tools/missing-macros/src/README index 9d9fbfa844..04d8a06c8f 100644 --- a/tools/missing-macros/src/README +++ b/tools/missing-macros/src/README @@ -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. diff --git a/tools/missing-macros/src/m4/as-ac-expand.m4 b/tools/missing-macros/src/m4/as-ac-expand.m4 new file mode 100644 index 0000000000..d6c9e33060 --- /dev/null +++ b/tools/missing-macros/src/m4/as-ac-expand.m4 @@ -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 +])