Regenerate liblinphone_gitversion.h with CMake when the git revision has changed.

coreapi/CMakeLists.txt

@@ -120,13 +120,11 @@ else()
 	list(APPEND SOURCE_FILES linphone_tunnel_stubs.c)
 endif()
 
-set(GENERATED_SOURCE_FILES
-	${CMAKE_CURRENT_BINARY_DIR}/liblinphone_gitversion.h
-)
-set_source_files_properties(${GENERATED_SOURCE_FILES} PROPERTIES GENERATED TRUE)
 find_package(Git)
-add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/liblinphone_gitversion.h
-	COMMAND ${CMAKE_COMMAND} -DGIT_EXECUTABLE=${GIT_EXECUTABLE} -DWORK_DIR=${CMAKE_CURRENT_SOURCE_DIR} -DOUTPUT_DIR=${CMAKE_CURRENT_BINARY_DIR} -P ${CMAKE_CURRENT_SOURCE_DIR}/gitversion.cmake)
+add_custom_target(liblinphone-git-version
+	COMMAND ${CMAKE_COMMAND} -DGIT_EXECUTABLE=${GIT_EXECUTABLE} -DWORK_DIR=${CMAKE_CURRENT_SOURCE_DIR} -DOUTPUT_DIR=${CMAKE_CURRENT_BINARY_DIR} -P ${CMAKE_CURRENT_SOURCE_DIR}/gitversion.cmake
+	BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/liblinphone_gitversion.h"
+)
 
 add_definitions(
 	-DUSE_BELLESIP
@@ -161,10 +159,10 @@ if(INTL_FOUND)
 endif()
 
 if(ENABLE_STATIC)
-	add_library(linphone STATIC ${SOURCE_FILES} ${GENERATED_SOURCE_FILES})
+	add_library(linphone STATIC ${SOURCE_FILES})
 	target_link_libraries(linphone ${LIBS})
 else()
-	add_library(linphone SHARED ${SOURCE_FILES} ${GENERATED_SOURCE_FILES})
+	add_library(linphone SHARED ${SOURCE_FILES})
 	set_target_properties(linphone PROPERTIES VERSION ${LINPHONE_SO_VERSION} LINKER_LANGUAGE CXX)
 	target_link_libraries(linphone ${LIBS})
 	if(MSVC)
@@ -176,6 +174,7 @@ else()
 		endif()
 	endif()
 endif()
+add_dependencies(linphone liblinphone-git-version)
 if(WIN32 AND CMAKE_SYSTEM_NAME STREQUAL "WindowsPhone")
 	set_target_properties(linphone PROPERTIES PREFIX "lib")
 endif()

coreapi/gitversion.cmake

@@ -27,13 +27,8 @@ if(GIT_EXECUTABLE)
 		OUTPUT_VARIABLE GIT_REVISION
 		OUTPUT_STRIP_TRAILING_WHITESPACE
 	)
-	execute_process(
-		COMMAND ${CMAKE_COMMAND} -E echo "#define LIBLINPHONE_GIT_VERSION \"${GIT_REVISION}\""
-		OUTPUT_FILE ${OUTPUT_DIR}/liblinphone_gitversion.h
-	)
 else()
-	execute_process(
-		COMMAND ${CMAKE_COMMAND} -E echo "#define LIBLINPHONE_GIT_VERSION \"unknown\""
-		OUTPUT_FILE ${OUTPUT_DIR}/liblinphone_gitversion.h
-	)
+	set(GIT_REVISION "unknown")
 endif()
+
+configure_file("${WORK_DIR}/gitversion.h.in" "${OUTPUT_DIR}/liblinphone_gitversion.h" @ONLY)

coreapi/gitversion.h.in

+/*
+linphone
+Copyright (C) 2010-2014  Belledonne Communications SARL
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+
+#define LIBLINPHONE_GIT_VERSION "@GIT_REVISION@"
\ No newline at end of file