Description: make use of pkg-config instead of openal-config
From: Reinhard Tartler <siretart@tauware.de>
Date: Sun, 28 Jun 2009 20:04:31 +0200
Subject: openal-pkgconfig
Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=533973

---
 configure-al.m4 | 118 ++------------------------------------------------------
 1 file changed, 4 insertions(+), 114 deletions(-)

diff --git a/configure-al.m4 b/configure-al.m4
index e37c20b..5250f0d 100644
--- a/configure-al.m4
+++ b/configure-al.m4
@@ -1,118 +1,8 @@
 dnl Checking for OpenAL
-AC_ARG_WITH([openal-static],
-            AC_HELP_STRING([--with-openal-static],
-                           [enable static linking for openal (default no)]),
-            [use_static_openal=${withval}],,)
-AC_ARG_ENABLE(openaltest, 
-	[  --disable-openaltest    Do not try to compile and run a test OpenAL program],
-		    , enable_openaltest=yes)
-AC_MSG_CHECKING(for OpenAL support)
-AC_PATH_PROG(OPENAL_CONFIG, openal-config, no)
-if test x$OPENAL_CONFIG = xno; then
-	echo "The openal-config script installed by OpenAL could not be found"
-	echo "Make sure openal-config is in your path, or set the OPENAL_CONFIG"
-	echo "environment variable to the full path to openal-config."
-	echo "Trying pkg-config instead."
-
-	AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
-	if test x$PKG_CONFIG = xno; then
-		echo "The pkg-config script could not be found"
-		echo "Make sure pkg-config is in your path, or set the PKG_CONFIG"
-		echo "environment variable to the full path to pkg-config."
-
-		AC_MSG_ERROR([*** Can't find the openal library. Try: http://www.openal.org/])
-	else
-		OPENAL_CONFIG="$PKG_CONFIG openal";
-	fi
-fi
-	
-if test x"$use_static_openal" = x"yes"; then
-	AL_LIBS="/usr/local/lib/libopenal.a"
-else
-	AL_LIBS="`$OPENAL_CONFIG --libs`"
-fi
-
-AL_CFLAGS="`$OPENAL_CONFIG --cflags`"
-
-AC_MSG_RESULT(yes)
-
-AC_MSG_CHECKING(for Freealut support)
-AC_PATH_PROG(FREEALUT_CONFIG, freealut-config, no)
-if test x$FREEALUT_CONFIG = xno; then
-	echo "*** Warning: The freealut-config script installed by OpenAL could not be found."
-	echo "*** The alut library is required, however some older OpenAL distribitions may include it."
-	echo "*** If Scorched3D fails to link check alut is in the link line."
-	echo "*** Alternatively, make sure freealut-config is in your path, or set the FREEALUT_CONFIG"
-	echo "*** environment variable to the full path to openal-config."
-else
-
-	AL_LIBS="$AL_LIBS `$FREEALUT_CONFIG --libs`"
-	AL_CFLAGS="$AL_CFLAGS `$FREEALUT_CONFIG --cflags`"
-
-	AC_MSG_RESULT(yes)
-fi
-
-AC_MSG_CHECKING(for OpenAL compilation)
-if test "x$enable_openaltest" = "xyes" ; then
-
-	ac_save_CFLAGS="$CFLAGS"
-	ac_save_LIBS="$LIBS"
-	CFLAGS="$CFLAGS $AL_CFLAGS"
-	LIBS="$AL_LIBS $LIBS"
-
-	AC_TRY_COMPILE([
-#ifdef __APPLE__
-		#include <OpenAL/al.h>
-		#include <OpenAL/alc.h>
-#else
-		#include <AL/al.h>
-		#include <AL/alut.h>
-		#include <AL/alc.h>
-#endif
-
-		],[
-		],[
-		have_openal=yes	
-		],[
-		echo "*** Failed to compile using the OpenAL library."
-		echo "*** CFLAGS = $AL_CFLAGS";
-    		AC_MSG_ERROR([*** Check the OpenAL library is correctly installed.])
-	])
-
-	AC_TRY_LINK([
-#ifdef __APPLE__
-		#include <OpenAL/al.h>
-		#include <OpenAL/alc.h>
-#else
-		#include <AL/al.h>
-		#include <AL/alut.h>
-		#include <AL/alc.h>
-#endif
-
-		int main(int argc, char *argv[])
-		{
-			alutInit(argc, argv);
-			return 0;
-		}
-#undef  main
-#define main K_and_R_C_main
-
-		],[
-		],[
-		have_openal=yes	
-		],[
-		echo "*** Compiled but failed to link using the OpenAL library."
-		echo "*** LIBS = $AL_LIBS";
-		echo "*** Check the OpenAL library is on the LD_LIBRARY_PATH";
-    		AC_MSG_ERROR([*** Check the OpenAL library is correctly installed.])
-	])
-
-	CFLAGS="$ac_save_CFLAGS"
-	LIBS="$ac_save_LIBS"
-
-	AC_MSG_RESULT(yes)
-fi
-
+PKG_CHECK_MODULES([OPENAL], [openal])
+PKG_CHECK_MODULES([FREEALUT], [freealut])
+AL_CFLAGS="$OPENAL_CFLAGS $FREEALUT_CFLAGS"
+AL_LIBS="$OPENAL_LIBS $FREEALUT_LIBS"
 AC_SUBST(AL_CFLAGS)
 AC_SUBST(AL_LIBS)