adding libqgs for Qt4, remember it is a pure Qt lib ( well lets call it lib even if its only a file ;-) )

svn path=/branches/work/kde4/playground/graphics/cmake/; revision=524640

cmake/modules/modules/FindLIBGS.cmake

@@ -0,0 +1,35 @@
+# - Try to find the libgs library
+# Once done this will define
+#
+#  LIBGS_FOUND - system has libgs
+#  LIBGS_LIBRARY - Link this to use libgs
+#
+include(CheckLibraryExists)
+
+# reset vars
+set(LIBGS_LIBRARY)
+
+check_library_exists(gs gsapi_new_instance "" LIBGS_LIBRARY)
+
+if(LIBGS_LIBRARY)
+  find_library(LIBGS_LDFLAGS NAMES gs
+    PATHS
+  /usr/lib
+  /usr/local/lib
+  ${GNUWIN32_DIR}/lib
+  )
+
+  set(LIBGS_FOUND TRUE)
+endif(LIBGS_LIBRARY)
+
+if (LIBGS_FOUND)
+  if (NOT LIBGS_FIND_QUIETLY)
+    message(STATUS "Found qgs: ${LIBGS_LDFLAGS}")
+  endif (NOT LIBGS_FIND_QUIETLY)
+else (LIBGS_FOUND)
+  if (LIBGS_FIND_REQUIRED)
+    message(FATAL_ERROR "Could NOT find QGS")
+  endif (LIBGS_FIND_REQUIRED)
+endif (LIBGS_FOUND)
+
+MARK_AS_ADVANCED(LIBGS_LIBRARY)

cmake/modules/modules/FindQGS.cmake

@@ -10,28 +10,26 @@ include(CheckLibraryExists)
 # reset vars
 set(QGS_INCLUDE_DIR)
 set(QGS_LIBRARY)
-set(QGS_HAVE_MAIN FALSE)
 
 FIND_PATH(QGS_INCLUDE_DIR qgs.h
   /usr/local/include
   /usr/include
   ${GNUWIN32_DIR}/include
+  ${KDE4_INCLUDE_DIR}
 )
 
+# ${KDE4_INCLUDE_DIR}/../lib IS UBER UGLY but i did not found a better way
 find_library(QGS_LIBRARY NAMES qgs
   PATHS
   /usr/lib
   /usr/local/lib
   ${GNUWIN32_DIR}/lib
+  ${KDE4_INCLUDE_DIR}/../lib
 )
 
-if (QGS_LIBRARY)
-  check_library_exists(qgs main "" QGS_HAVE_MAIN)
-endif (QGS_LIBRARY)
-
-if(QGS_INCLUDE_DIR AND QGS_LIBRARY AND QGS_HAVE_MAIN)
+if(QGS_INCLUDE_DIR AND QGS_LIBRARY)
   set(QGS_FOUND TRUE)
-endif(QGS_INCLUDE_DIR AND QGS_LIBRARY AND QGS_HAVE_MAIN)
+endif(QGS_INCLUDE_DIR AND QGS_LIBRARY)
 
 if (QGS_FOUND)
   if (NOT QGS_FIND_QUIETLY)