Making the library usable by other projects (install things properly, added

pkg-config file)

Makefile.am

@@ -7,5 +7,10 @@ AUTOMAKE_OPTIONS = 1.6
 #Fools KDevelop into including all files
 SUBDIRS = libentcode libcelt
 
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = celt.pc 
+
+EXTRA_DIST = celt.pc.in
+
 rpm: dist
 	rpmbuild -ta ${PACKAGE}-${VERSION}.tar.gz

celt.pc.in

+# libcelt pkg-config source file
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: celt
+Description: CELT is a low-delay audio codec
+Version: @CELT_VERSION@
+Requires:
+Conflicts:
+Libs: -L${libdir} -lcelt -lentcode -lm
+Cflags: -I${includedir}

configure.ac

@@ -121,7 +121,7 @@ fi
 AC_SUBST(SIZE16)
 AC_SUBST(SIZE32)
 
-AC_OUTPUT([Makefile libcelt/Makefile libentcode/Makefile])
+AC_OUTPUT([Makefile libcelt/Makefile libentcode/Makefile celt.pc])
 
 if test "x$src" = "x"; then 
 echo "**IMPORTANT**"

libcelt/Makefile.am

@@ -2,6 +2,7 @@
 #AUTOMAKE_OPTIONS = no-dependencies
 
 
+pkginclude_HEADERS = celt.h
 #EXTRA_DIST=
 
 #INCLUDES = -I$(top_srcdir)/include -I$(top_builddir)/include -I$(top_builddir) @OGG_CFLAGS@
@@ -16,7 +17,7 @@ libcelt_la_SOURCES = bands.c celt.c cwrs.c fftwrap.c mdct.c modes.c pitch.c \
 
 libcelt_la_LDFLAGS = -version-info @CELT_LT_CURRENT@:@CELT_LT_REVISION@:@CELT_LT_AGE@
 
-noinst_HEADERS = arch.h bands.h celt.h cwrs.h fftwrap.h mdct.h modes.h \
+noinst_HEADERS = arch.h bands.h cwrs.h fftwrap.h mdct.h modes.h \
 	os_support.h pgain_table.h pitch.h psy.h quant_bands.h quant_pitch.h rate.h \
 	smallft.h vq.h
 

libcelt/celt.h

@@ -32,6 +32,10 @@
 #ifndef CELT_H
 #define CELT_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define CELT_BAD_ARG -1
 #define CELT_INVALID_MODE -2
 #define CELT_INTERNAL_ERROR -3
@@ -43,8 +47,8 @@ typedef struct CELTDecoder CELTDecoder;
 
 typedef struct CELTMode CELTMode;
 
-extern const CELTMode const *celt_mono;
-extern const CELTMode const *celt_stereo;
+extern const CELTMode *celt_mono;
+extern const CELTMode *celt_stereo;
 
 /* Encoder stuff */
 
@@ -62,4 +66,8 @@ void celt_decoder_destroy(CELTDecoder *st);
 
 int celt_decode(CELTDecoder *st, char *data, int len, short *pcm);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /*CELT_H */