Only enable coverage on the core library

Fixes #62

CMakeLists.txt

@@ -201,6 +201,16 @@ IF(HAS_VISIBILITY)
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
 ENDIF()
 
+# If we were given coverage options, we will only pass them to the core
+# library.
+SET(GENERATE_COVERAGE FALSE CACHE BOOL "Generate coverage data")
+IF("${CMAKE_CXX_FLAGS}" MATCHES "--coverage")
+  SET(GENERATE_COVERAGE TRUE CACHE BOOL "Generate coverage data" FORCE)
+  STRING(REPLACE "--coverage" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+  STRING(REPLACE "--coverage" "" CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
+  STRING(REPLACE "--coverage" "" CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
+ENDIF()
+
 # Search for dependencies.
 SET(BOOST_COMPONENTS date_time filesystem system unit_test_framework)
 SEARCH_FOR_BOOST()

src/CMakeLists.txt

@@ -48,6 +48,10 @@ ENDIF()
 # Main library.
 ADD_LIBRARY(roboptim-core SHARED ${HEADERS} ${ROBOPTIM_CORE_SRC})
 TARGET_COMPILE_OPTIONS(roboptim-core PUBLIC "-Droboptim_core_EXPORTS")
+IF(GENERATE_COVERAGE)
+  TARGET_COMPILE_OPTIONS(roboptim-core PRIVATE "--coverage")
+  SET_TARGET_PROPERTIES(roboptim-core PROPERTIES LINK_FLAGS "--coverage")
+ENDIF()
 PKG_CONFIG_USE_DEPENDENCY(roboptim-core liblog4cxx)
 
 # Add required libs to pkg-config file.