pkg-check-modules doesn't differentiate btwn ldflags and ldlibs

maint/codes-base.pc.in

@@ -3,7 +3,6 @@ exec_prefix = @exec_prefix@
 libdir=@libdir@
 includedir=@includedir@
 ross_cflags=@ROSS_CFLAGS@
-ross_ldflags=@ROSS_LDFLAGS@
 ross_libs=@ROSS_LIBS@
 darshan_libs=@DARSHAN_LIBS@
 darshan_cflags=@DARSHAN_CFLAGS@
@@ -15,5 +14,5 @@ Description: Base functionality for CODES storage simulation
 Version: @PACKAGE_VERSION@
 URL: http://trac.mcs.anl.gov/projects/CODES
 Requires:
-Libs: -L${libdir} -lcodes-base ${ross_ldflags} ${ross_libs} ${darshan_libs} ${dumpi_libs} 
+Libs: -L${libdir} -lcodes-base ${ross_libs} ${darshan_libs} ${dumpi_libs} 
 Cflags: -I${includedir} ${ross_cflags} ${darshan_cflags} ${dumpi_cflags}