From b877e24ced1a2c699e1aa9d37a998e0340d3b3f0 Mon Sep 17 00:00:00 2001
From: Johan Dahlin <jdahlin@litl.com>
Date: Fri, 20 Feb 2009 23:32:26 -0300
Subject: Use shave to reduce compiling output

Which let's us focus on the important warnings.
---
 m4/shave.m4 | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 m4/shave.m4

(limited to 'm4')

diff --git a/m4/shave.m4 b/m4/shave.m4
new file mode 100644
index 00000000..5b1f6756
--- /dev/null
+++ b/m4/shave.m4
@@ -0,0 +1,40 @@
+dnl Make automake/libtool output more friendly to humans
+dnl
+dnl SHAVE_INIT([shavedir])
+dnl
+dnl shavedir: the directory where the shave script is, it defaults to
+dnl           $(top_builddir)
+dnl
+dnl * SHAVE_INIT should be called late in your configure.(ac|in) file (just
+dnl   before AC_CONFIG_FILE/AC_OUTPUT is perfect.  This macro rewrite CC and
+dnl   LIBTOOL, you don't want the configure tests to have these variables
+dnl   re-defined.
+dnl * This macro requires GNU make's -s option.
+
+AC_DEFUN([SHAVE_INIT], [
+dnl where can we find the shave scripts?
+m4_if([$1],,
+  [shavedir='$(top_builddir)'],
+  [shavedir='$(top_builddir)'/$1])
+AC_SUBST(shavedir)
+dnl make is now quiet
+AC_SUBST([MAKEFLAGS], [-s])
+AC_SUBST([AM_MAKEFLAGS], ['`test -z $V && echo -s`'])
+dnl we need sed
+AC_CHECK_PROG(SED,sed,sed,false)
+dnl substitute libtool
+SHAVE_SAVED_LIBTOOL=$LIBTOOL
+AC_SUBST(SHAVE_SAVED_LIBTOOL)
+LIBTOOL="\$(SHELL) \$(shavedir)/shave-libtool '\$(SHAVE_SAVED_LIBTOOL)'"
+AC_SUBST(LIBTOOL)
+dnl substitute cc
+SHAVE_SAVED_CC=$CC
+SHAVE_SAVED_CXX=$CXX
+AC_SUBST(SHAVE_SAVED_CC)
+AC_SUBST(SHAVE_SAVED_CXX)
+CC="\$(SHELL) \$(shavedir)/shave cc '\$(SHAVE_SAVED_CC)'"
+CXX="\$(SHELL) \$(shavedir)/shave cxx '\$(SHAVE_SAVED_CXX)'"
+AC_SUBST(CC)
+AC_SUBST(CXX)
+])
+
-- 
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