pkg-config file for API option

Makefile.am

@@ -5,7 +5,8 @@ CONFIG = ordered
 ACLOCAL_AMFLAGS = -I m4
 
 pkgconfigdir = @pkgconfigdir@
-pkgconfig_DATA = client/unifyfs.pc
+pkgconfig_DATA = client/unifyfs.pc \
+		 client/unifyfs-api.pc
 
 CLEANFILES =
 

client/unifyfs-api.pc.in

@@ -0,0 +1,12 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: UnifyFS
+Description: client library for UnifyFS unified burst buffer file system
+Version: @LIBUNIFYFS_API_VERSION@
+Requires:
+Libs: -L${libdir} -lunifyfs_api
+Cflags: -I${includedir}
+

configure.ac

@@ -390,6 +390,7 @@ AC_CONFIG_FILES([Makefile
                  client/Makefile
                  client/src/Makefile
                  client/unifyfs.pc
+                 client/unifyfs-api.pc
                  examples/Makefile
                  examples/src/Makefile
                  extras/Makefile