From caef93ec8b59cb6cd8f141ae18e458b91f8398e1 Mon Sep 17 00:00:00 2001
From: Erik de Castro Lopo <erikd@mega-nerd.com>
Date: Sun, 26 Feb 2012 22:41:44 +1100
Subject: [PATCH] configure.ac : Report useful info at the end of configure.

---
 configure.ac      | 18 ++++++++++++++++++
 m4/gcc_version.m4 | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 m4/gcc_version.m4

diff --git a/configure.ac b/configure.ac
index f56c1887..da23a434 100644
--- a/configure.ac
+++ b/configure.ac
@@ -355,6 +355,7 @@ else
 	fi
 fi
 
+XIPH_GCC_VERSION
 
 if test x$ac_cv_c_compiler_gnu = xyes ; then
 	if test x$enable_gcc_werror = "xyes" ; then
@@ -450,3 +451,20 @@ AC_CONFIG_FILES([ \
 	obj/release/lib/Makefile \
 ])
 AC_OUTPUT
+
+AC_MSG_RESULT([
+-=-=-=-=-=-=-=-=-=-= Configuration Complete =-=-=-=-=-=-=-=-=-=-
+
+  Configuration summary :
+
+    FLAC version : ........................ ${VERSION}
+
+    Host CPU : ............................ ${host_cpu}
+    Host Vendor : ......................... ${host_vendor}
+    Host OS : ............................. ${host_os}
+])
+
+if test x$ac_cv_c_compiler_gnu = xyes ; then
+	echo "    Compiler is GCC : ..................... ${ac_cv_c_compiler_gnu}"
+	echo "    GCC version : ......................... ${GCC_VERSION}"
+	fi
diff --git a/m4/gcc_version.m4 b/m4/gcc_version.m4
new file mode 100644
index 00000000..d1bae6ad
--- /dev/null
+++ b/m4/gcc_version.m4
@@ -0,0 +1,33 @@
+dnl @synopsis XIPH_GCC_VERSION
+dnl
+dnl Find the version of gcc.
+dnl @version 1.0	Nov 05 2007
+dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
+dnl
+dnl Permission to use, copy, modify, distribute, and sell this file for any
+dnl purpose is hereby granted without fee, provided that the above copyright
+dnl and this permission notice appear in all copies.  No representations are
+dnl made about the suitability of this software for any purpose.  It is
+dnl provided "as is" without express or implied warranty.
+dnl
+
+AC_DEFUN([XIPH_GCC_VERSION],
+[
+if test "x$ac_cv_c_compiler_gnu" = "xyes" ; then
+
+	AC_MSG_CHECKING([for version of $CC])
+	GCC_VERSION=`$CC -dumpversion`
+	AC_MSG_RESULT($GCC_VERSION)
+
+	changequote(,)dnl
+	GCC_MINOR_VERSION=`echo $GCC_VERSION | sed "s/^[0-9]\+\.//" | sed "s/\..*//"`
+	GCC_MAJOR_VERSION=`echo $GCC_VERSION | sed "s/\..*//"`
+	changequote([,])dnl
+	fi
+
+AC_SUBST(GCC_VERSION)
+AC_SUBST(GCC_MAJOR_VERSION)
+AC_SUBST(GCC_MINOR_VERSION)
+
+])# XIPH_GCC_VERSION
+
-- 
2.11.4.GIT