Fix Cflags and add libx52util.pc

configure.ac

@@ -118,6 +118,7 @@ AC_CONFIG_FILES([ po/Makefile.in
     lib/Makefile
     libx52/libx52.pc
     libx52io/libx52io.pc
+    libx52util/libx52util.pc
     lib/pinelog/Makefile
     udev/60-saitek-x52-x52pro.rules
 ])

libx52/libx52.pc.in

@@ -7,5 +7,5 @@ Name: libx52
 Description: Linux/Unix library to control Saitek X52/X52Pro joystick extended functionality.
 Version: 2.4.0
 Libs: -L${libdir} -lx52
-Cflags: -I${includedir}/x52pro
+Cflags: -I${includedir}/libx52
 Requires.private: @LIBUSB_PC@

libx52io/libx52io.pc.in

@@ -7,5 +7,5 @@ Name: libx52io
 Description: Linux/Unix library to read and parse X52 input
 Version: 1.0.0
 Libs: -L${libdir} -lx52io
-Cflags: -I${includedir}/x52pro
+Cflags: -I${includedir}/libx52
 Requires.private: @HIDAPI_PC@

libx52util/Makefile.am

@@ -16,6 +16,9 @@ libx52util_la_LDFLAGS = -version-info 1:0:0 $(WARN_LDFLAGS)
 # Header files that need to be copied
 x52include_HEADERS += libx52util/libx52util.h
 
+# pkg-config files
+pkgconfig_DATA += libx52util/libx52util.pc
+
 # Autogenerated file that needs to be cleaned up
 CLEANFILES += libx52util/util_char_map.c
 util_char_map_c_DEPENDS = \

libx52util/libx52util.pc.in

@@ -0,0 +1,10 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libx52util
+Description: Extra utility functions to manage X52 extended functionality
+Version: 1.0.0
+Libs: -L${libdir} -lx52util
+Cflags: -I${includedir}/libx52