cmake: only shared libraries should be listed among the exported external libraries

Author: andrea-iob

cmake/BITPITConfig.cmake.in

@@ -181,7 +181,7 @@ foreach(_DEPENDENCY ${_EXTERNAL_DEPENDENCIES})
 endforeach()
 
 # Add external libraries
-list(APPEND BITPIT_LIBRARIES @BITPIT_EXTERNAL_LIBRARIES@)
+list(APPEND BITPIT_LIBRARIES @BITPIT_SHARED_EXTERNAL_LIBRARIES@)
 
 # Add external inclued paths
 list(APPEND BITPIT_INCLUDE_DIRS @BITPIT_EXTERNAL_INCLUDE_DIRS@)

cmake/CMakeLists.txt

@@ -8,6 +8,19 @@ cmake_minimum_required(VERSION 2.8)
 # Directory where the CMake configuration file will be installed
 set(BITPIT_INSTALL_CMAKE_DIR "lib/cmake/${PROJECT_NAME}-${BITPIT_MAJOR_VERSION}.${BITPIT_MINOR_VERSION}" CACHE INTERNAL "Directory in which cmake modules will be installed")
 
+#------------------------------------------------------------------------------------#
+# Generate external dependencies
+#
+# We need to remove the static libraries from the list of external dependencies.
+#------------------------------------------------------------------------------------#
+set(BITPIT_SHARED_EXTERNAL_LIBRARIES "")
+foreach(ENTRY IN LISTS BITPIT_EXTERNAL_LIBRARIES)
+    get_filename_component(LIBRARY_EXTENSION ${ENTRY} EXT)
+    if(NOT ${LIBRARY_EXTENSION} EQUAL ".a")
+        list(APPEND BITPIT_SHARED_EXTERNAL_LIBRARIES ${ENTRY})
+    endif()
+endforeach()
+
 #------------------------------------------------------------------------------------#
 # Generate BITPITConfig.cmake
 #------------------------------------------------------------------------------------#