Moved finding of RSVG, Poppler-glib and GtkGl out into their own Find*.cmake modules to enable easier specialization.

CMakeLists.txt

@@ -385,6 +385,9 @@ FIND_PACKAGE(XUL)
 FIND_PACKAGE(FFmpeg)
 FIND_PACKAGE(DirectShow)
 FIND_PACKAGE(SDL)
+FIND_PACKAGE(Poppler-glib)
+FIND_PACKAGE(RSVG)
+FIND_PACKAGE(GtkGl)
 
 # Include macro utilities here
 INCLUDE(OsgMacroUtils)
@@ -409,28 +412,6 @@ ELSE()
 
 ENDIF()
 
-#use pkg-config to find various modues
-INCLUDE(FindPkgConfig OPTIONAL)
-
-IF(PKG_CONFIG_FOUND)
-
-    INCLUDE(FindPkgConfig)
-
-    PKG_CHECK_MODULES(GTK gtk+-2.0)
-
-    IF(WIN32)
-        PKG_CHECK_MODULES(GTKGL gtkglext-win32-1.0)
-    ELSE()
-        PKG_CHECK_MODULES(GTKGL gtkglext-x11-1.0)
-    ENDIF()
-
-    PKG_CHECK_MODULES(RSVG librsvg-2.0)
-    PKG_CHECK_MODULES(CAIRO cairo)
-    PKG_CHECK_MODULES(POPPLER poppler-glib)
-
-ENDIF()
-
-
 #optional example related dependencies
 IF   (BUILD_OSG_EXAMPLES)
 

CMakeModules/FindFLTK.cmake

@@ -1,4 +1,4 @@
-# Locate gdal
+# Locate FLTK
 # This module defines
 # FLTK_LIBRARY
 # FLTK_FOUND, if false, do not try to link to gdal 

CMakeModules/FindGtkGl.cmake

@@ -0,0 +1,16 @@
+#use pkg-config to find various modues
+INCLUDE(FindPkgConfig OPTIONAL)
+
+IF(PKG_CONFIG_FOUND)
+
+    INCLUDE(FindPkgConfig)
+
+    PKG_CHECK_MODULES(GTK gtk+-2.0)
+
+    IF(WIN32)
+        PKG_CHECK_MODULES(GTKGL gtkglext-win32-1.0)
+    ELSE()
+        PKG_CHECK_MODULES(GTKGL gtkglext-x11-1.0)
+    ENDIF()
+
+ENDIF()

CMakeModules/FindPoppler-glib.cmake

@@ -0,0 +1,41 @@
+#use pkg-config to find various modues
+INCLUDE(FindPkgConfig OPTIONAL)
+
+IF(PKG_CONFIG_FOUND)
+
+    INCLUDE(FindPkgConfig)
+
+    PKG_CHECK_MODULES(CAIRO cairo)
+    PKG_CHECK_MODULES(POPPLER poppler-glib)
+
+    IF (POPPLER_FOUND)
+
+        INCLUDE(CheckCXXSourceRuns)
+
+        SET(CMAKE_REQUIRED_INCLUDES ${POPPLER_INCLUDE_DIRS})
+
+        # Do step by step checking,
+        CHECK_CXX_SOURCE_RUNS("
+        #include <cstdlib>
+        #include <poppler.h>
+        int main()
+        {
+        #ifdef POPPLER_HAS_CAIRO
+           return EXIT_SUCCESS;
+        #else
+           return EXIT_FAILURE
+        #endif
+        }
+        " POPPLER_HAS_CAIRO)
+
+        IF (NOT POPPLER_HAS_CAIRO)
+            SET(POPPLER_FOUND FALSE)
+        ENDIF()
+
+    ENDIF()
+
+#    IF (POPPLER_FOUND AND (NOT POPPLER_LIBRARIES OR NOT POPPLER_INCLUDE_DIRS) )
+#        SET(POPPLER_FOUND FALSE)
+#    ENDIF()
+
+ENDIF()

CMakeModules/FindRSVG.cmake

@@ -0,0 +1,16 @@
+#use pkg-config to find various modues
+INCLUDE(FindPkgConfig OPTIONAL)
+
+IF(PKG_CONFIG_FOUND)
+
+    INCLUDE(FindPkgConfig)
+
+    PKG_CHECK_MODULES(RSVG librsvg-2.0)
+    PKG_CHECK_MODULES(CAIRO cairo)
+
+    IF (RSVG_FOUND AND NOT CAIRO_FOUND)
+       SET(RSVG_FOUND FALSE)
+    ENDIF()
+
+
+ENDIF()

applications/present3D/CMakeLists.txt

@@ -93,10 +93,10 @@ IF (NOT DYNAMIC_OPENSCENEGRAPH)
         SET(TARGET_ADDED_LIBRARIES ${TARGET_ADDED_LIBRARIES} osgdb_freetype)
     ENDIF(FREETYPE_FOUND)
 
-    IF(POPPLER_FOUND AND CAIRO_FOUND)
+    IF(POPPLER_FOUND)
         ADD_DEFINITIONS(-DUSE_POPPLER_CAIRO)
         SET(TARGET_ADDED_LIBRARIES ${TARGET_ADDED_LIBRARIES} osgdb_pdf)
-    ENDIF(POPPLER_FOUND AND CAIRO_FOUND)
+    ENDIF(POPPLER_FOUND)
 ENDIF()
 
 IF   (WIN32)

src/osgPlugins/CMakeLists.txt

@@ -234,11 +234,11 @@ IF(ZLIB_FOUND)
     ADD_SUBDIRECTORY(zip)
 ENDIF()
 
-IF(RSVG_FOUND AND CAIRO_FOUND)
+IF(RSVG_FOUND)
     ADD_SUBDIRECTORY(svg)
 ENDIF()
 
-IF(POPPLER_FOUND AND CAIRO_FOUND)
+IF(POPPLER_FOUND)
     ADD_SUBDIRECTORY(pdf)
 ENDIF()
 

src/osgPlugins/pdf/CMakeLists.txt

@@ -1,24 +1,3 @@
-INCLUDE(CheckCXXSourceRuns)
-
-SET(CMAKE_REQUIRED_INCLUDES ${POPPLER_INCLUDE_DIRS})
-
-# Do step by step checking,
-CHECK_CXX_SOURCE_RUNS("
-#include <cstdlib>
-#include <poppler.h>
-int main()
-{
-#ifdef POPPLER_HAS_CAIRO
-   return EXIT_SUCCESS;
-#else
-   return EXIT_FAILURE
-#endif
-}
-" POPPLER_HAS_CAIRO)
-
-
-IF (POPPLER_HAS_CAIRO)
-
 SET(TARGET_SRC ReaderWriterPDF.cpp )
 
 INCLUDE_DIRECTORIES( ${CAIRO_INCLUDE_DIRS} ${POPPLER_INCLUDE_DIRS} )
@@ -29,5 +8,3 @@ IF (POPPLER_HAS_CAIRO)
 
 #### end var setup  ###
 SETUP_PLUGIN(pdf pdf)
-
-ENDIF()