Rename librtaudio.pc to rtaudio.pc.

configure.ac

@@ -2,7 +2,7 @@
 AC_INIT(RtAudio, 4.1, gary@music.mcgill.ca, rtaudio)
 AC_CONFIG_AUX_DIR(config)
 AC_CONFIG_SRCDIR(RtAudio.cpp)
-AC_CONFIG_FILES([rtaudio-config librtaudio.pc Makefile tests/Makefile doc/doxygen/Doxyfile])
+AC_CONFIG_FILES([rtaudio-config rtaudio.pc Makefile tests/Makefile doc/doxygen/Doxyfile])
 
 # Fill GXX with something before test.
 AC_SUBST( GXX, ["no"] )

librtaudio.pc.in → rtaudio.pc.in

@@ -1,12 +1,12 @@
 prefix=@prefix@
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
-includedir=${prefix}/include        
+includedir=${prefix}/include/rtaudio        
 
 Name: librtaudio
 Description: RtAudio - a set of C++ classes that provide a common API for realtime audio input/output
-Version: 4.1.1
+Version: @PACKAGE_VERSION@
 Requires: @req@ 
 Libs: -L${libdir} -lrtaudio
 Libs.private: -lpthread
-Cflags: -pthread -I${includedir} @CPPFLAGS@
+Cflags: -pthread -I${includedir} @CPPFLAGS@