From 976aa5bfc213732d960614150cea12c06988c339 Mon Sep 17 00:00:00 2001
From: Sjoerd Simons <sjoerd@luon.net>
Date: Mon, 23 Oct 2006 17:21:35 +0000
Subject: [project @ 94458aec8a5f2139cc075945f7336e4307c8d96e]

First commit!

20061023172135-93b9a-ce433f8baae54b25e36a061c2863bd4304ac3f8a.gz
---
 m4/.git-darcs-dir      |  0
 m4/Makefile.am         |  3 +++
 m4/as-ac-expand.m4     | 40 ++++++++++++++++++++++++++++++++++++++++
 m4/as-compiler-flag.m4 | 33 +++++++++++++++++++++++++++++++++
 4 files changed, 76 insertions(+)
 create mode 100644 m4/.git-darcs-dir
 create mode 100644 m4/Makefile.am
 create mode 100644 m4/as-ac-expand.m4
 create mode 100644 m4/as-compiler-flag.m4

(limited to 'm4')

diff --git a/m4/.git-darcs-dir b/m4/.git-darcs-dir
new file mode 100644
index 00000000..e69de29b
diff --git a/m4/Makefile.am b/m4/Makefile.am
new file mode 100644
index 00000000..b05c7c9f
--- /dev/null
+++ b/m4/Makefile.am
@@ -0,0 +1,3 @@
+EXTRA_DIST = \
+as-compiler-flag.m4 \
+as-ac-expand.m4
diff --git a/m4/as-ac-expand.m4 b/m4/as-ac-expand.m4
new file mode 100644
index 00000000..0c711739
--- /dev/null
+++ b/m4/as-ac-expand.m4
@@ -0,0 +1,40 @@
+dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR)
+dnl
+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
+])
diff --git a/m4/as-compiler-flag.m4 b/m4/as-compiler-flag.m4
new file mode 100644
index 00000000..605708a5
--- /dev/null
+++ b/m4/as-compiler-flag.m4
@@ -0,0 +1,33 @@
+dnl as-compiler-flag.m4 0.1.0
+
+dnl autostars m4 macro for detection of compiler flags
+
+dnl David Schleef <ds@schleef.org>
+
+dnl $Id: as-compiler-flag.m4,v 1.1 2005/06/18 18:02:46 burgerman Exp $
+
+dnl AS_COMPILER_FLAG(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
+dnl Tries to compile with the given CFLAGS.
+dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
+dnl and ACTION-IF-NOT-ACCEPTED otherwise.
+
+AC_DEFUN([AS_COMPILER_FLAG],
+[
+  AC_MSG_CHECKING([to see if compiler understands $1])
+
+  save_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS $1"
+
+  AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no])
+  CFLAGS="$save_CFLAGS"
+
+  if test "X$flag_ok" = Xyes ; then
+    $2
+    true
+  else
+    $3
+    true
+  fi
+  AC_MSG_RESULT([$flag_ok])
+])
+
-- 
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