[gegl] Bug 743855 - gegl-sc-0.3.pc lists non-existent packages as its dependency

[Michael Natterer <mitch src gnome org>]

commit 89579cc1bd523edc02775fc451b8a620ccd4193b
Author: Ting-Wei Lan <lantw src gnome org>
Date:   Wed Apr 29 18:28:54 2015 -0400

    Bug 743855 - gegl-sc-0.3.pc lists non-existent packages as its dependency
    
    Don't list non-existent packages in gegl-sc-0.3.pc.

 configure.ac                 |    2 ++
 seamless-clone/gegl-sc.pc.in |    2 +-
 2 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index f64340c..d61d666 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1121,12 +1121,14 @@ AM_CONDITIONAL(HAVE_P2TC, test "$have_p2tc" = "yes")
 
 AC_SUBST(P2TC_CFLAGS)
 AC_SUBST(P2TC_LIBS)
+AC_SUBST(P2TC_PACKAGES, "poly2tri-c")
 
 # If no poly2tri-c version is installed, we should use the local version
 # we have cached in the libs directory
 if test "x$have_p2tc" != "xyes"; then
   AC_SUBST(P2TC_CFLAGS, "-I\$(top_srcdir)/libs/poly2tri-c")
   AC_SUBST(P2TC_LIBS, "-L\$(top_builddir)/libs/poly2tri-c/poly2tri-c -lpoly2tri-c")
+  AC_SUBST(P2TC_PACKAGES, "")
 fi
 
 ##################
diff --git a/seamless-clone/gegl-sc.pc.in b/seamless-clone/gegl-sc.pc.in
index 52c475e..0c005f4 100644
--- a/seamless-clone/gegl-sc.pc.in
+++ b/seamless-clone/gegl-sc.pc.in
@@ -6,6 +6,6 @@ includedir= includedir@/sc
 Name: GEGL Seamless Cloning
 Description: Seamless Cloning Library Based on GEGL
 Version: @GEGL_REAL_VERSION@
-Requires: @GLIB_PACKAGES@ babl poly2tri-c @PACKAGE_NAME@
+Requires: @GLIB_PACKAGES@ babl @P2TC_PACKAGES@ @PACKAGE_NAME -@GEGL_API_VERSION@
 Libs: -L${libdir} -l PACKAGE_NAME@-sc- GEGL_API_VERSION@
 Cflags: -I${includedir}/@PACKAGE_NAME -@GEGL_API_VERSION@/sc