From d1aca7263998bf8ad45a089501b5008e6cecc7b2 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sat, 19 Sep 2009 14:31:34 +0000
Subject: [PATCH] Hi, I'm attaching a patche to add pkg-config support to
 SDL_mixer.

pkg-config is used to retrieve information about installed libraries and
it's well integrated with build configurators (for instance
PKG_CHECK_MODULES autoconf macro).

Thank you,

Luca
---
 Makefile.in     |  7 ++++++-
 SDL_mixer.pc.in | 12 ++++++++++++
 configure.in    |  3 ++-
 3 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 SDL_mixer.pc.in

diff --git a/Makefile.in b/Makefile.in
index 7bcb5e3e..3023fed6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -36,7 +36,7 @@ TARGET  = libSDL_mixer.la
 SOURCES = @SOURCES@
 OBJECTS = @OBJECTS@
 
-DIST = CHANGES COPYING CWProjects.sea.bin MPWmake.sea.bin Makefile.in README SDL_mixer.h SDL_mixer.qpg.in SDL_mixer.spec SDL_mixer.spec.in VisualC.zip Watcom-OS2.zip Xcode.tar.gz acinclude autogen.sh build-scripts configure configure.in dynamic_mp3.c dynamic_mp3.h dynamic_ogg.c dynamic_ogg.h effect_position.c effect_stereoreverse.c effects_internal.c effects_internal.h gcc-fat.sh load_aiff.c load_aiff.h load_ogg.c load_ogg.h load_voc.c load_voc.h mikmod mixer.c music.c music_cmd.c music_cmd.h music_mad.c music_mad.h music_ogg.c music_ogg.h native_midi native_midi_gpl playmus.c playwave.c timidity wavestream.c wavestream.h version.rc
+DIST = CHANGES COPYING CWProjects.sea.bin MPWmake.sea.bin Makefile.in SDL_mixer.pc.in README SDL_mixer.h SDL_mixer.qpg.in SDL_mixer.spec SDL_mixer.spec.in VisualC.zip Watcom-OS2.zip Xcode.tar.gz acinclude autogen.sh build-scripts configure configure.in dynamic_mp3.c dynamic_mp3.h dynamic_ogg.c dynamic_ogg.h effect_position.c effect_stereoreverse.c effects_internal.c effects_internal.h gcc-fat.sh load_aiff.c load_aiff.h load_ogg.c load_ogg.h load_voc.c load_voc.h mikmod mixer.c music.c music_cmd.c music_cmd.h music_mad.c music_mad.h music_ogg.c music_ogg.h native_midi native_midi_gpl playmus.c playwave.c timidity wavestream.c wavestream.h version.rc
 
 LT_AGE      = @LT_AGE@
 LT_CURRENT  = @LT_CURRENT@
@@ -86,6 +86,8 @@ install-hdrs:
 	    file=`echo $$src | sed -e 's|^.*/||'`; \
 	    $(INSTALL) -m 644 $$src $(includedir)/SDL/$$file; \
 	done
+	$(SHELL) $(auxdir)/mkinstalldirs $(libdir)/pkgconfig
+	$(INSTALL) -m 644 SDL_mixer.pc $(libdir)/pkgconfig/
 install-lib: $(objects) $(objects)/$(TARGET)
 	$(SHELL) $(auxdir)/mkinstalldirs $(libdir)
 	$(LIBTOOL) --mode=install $(INSTALL) $(objects)/$(TARGET) $(libdir)/$(TARGET)
@@ -101,6 +103,8 @@ uninstall-hdrs:
 	    rm -f $(includedir)/SDL/$$file; \
 	done
 	-rmdir $(includedir)/SDL
+	rm -f $(libdir)/pkgconfig/SDL_mixer.pc
+	-rmdir $(libdir)/pkgconfig
 uninstall-lib:
 	$(LIBTOOL) --mode=uninstall rm -f $(libdir)/$(TARGET)
 uninstall-bin:
@@ -114,6 +118,7 @@ distclean: clean
 	rm -f Makefile
 	rm -f SDL_mixer.qpg
 	rm -f config.status config.cache config.log libtool $(depend)
+	rm -f SDL_mixer.pc
 	rm -rf $(srcdir)/autom4te*
 	find $(srcdir) \( \
 	    -name '*~' -o \
diff --git a/SDL_mixer.pc.in b/SDL_mixer.pc.in
new file mode 100644
index 00000000..1c4965d8
--- /dev/null
+++ b/SDL_mixer.pc.in
@@ -0,0 +1,12 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: SDL_mixer
+Description: mixer library for Simple DirectMedia Layer
+Version: @VERSION@
+Requires: sdl >= @SDL_VERSION@
+Libs: -L${libdir} -lSDL_mixer
+Cflags: -I${includedir}/SDL
+
diff --git a/configure.in b/configure.in
index ed7d522e..39db5e30 100644
--- a/configure.in
+++ b/configure.in
@@ -420,11 +420,12 @@ AC_SUBST(BUILD_LDFLAGS)
 AC_SUBST(EXTRA_LDFLAGS)
 AC_SUBST(EXE)
 AC_SUBST(WINDRES)
+AC_SUBST(SDL_VERSION)
 AC_SUBST(SDL_CFLAGS)
 AC_SUBST(SDL_LIBS)
 
 AC_OUTPUT([
-    Makefile SDL_mixer.spec SDL_mixer.qpg
+    Makefile SDL_mixer.spec SDL_mixer.qpg SDL_mixer.pc
 ], [
     : >build-deps
     if test x"$MAKE" = x; then MAKE=make; fi; $MAKE depend