cmake: build common code only once

This creates (static) libraries for protocols/, common/, and wayland/.

CMakeLists.txt

@@ -41,7 +41,19 @@ add_definitions(-DSWAY_GIT_BRANCH=\"${GIT_BRANCH}\")
 string(TIMESTAMP CURRENT_DATE "%Y-%m-%d" UTC)
 add_definitions(-DSWAY_VERSION_DATE=\"${CURRENT_DATE}\")
 
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
+find_package(Cairo REQUIRED)
+find_package(JsonC REQUIRED)
+find_package(PCRE REQUIRED)
+find_package(Pango REQUIRED)
+find_package(WLC REQUIRED)
+find_package(Wayland REQUIRED)
+find_package(XKBCommon REQUIRED)
+
+include_directories(include)
+
+add_subdirectory(protocols)
+add_subdirectory(common)
+add_subdirectory(wayland)
 
 add_subdirectory(sway)
 add_subdirectory(swaybg)

common/CMakeLists.txt

@@ -0,0 +1,7 @@
+add_library(sway-common
+	ipc-client.c
+	list.c
+	log.c
+	readline.c
+	stringop.c
+	)

protocols/CMakeLists.txt

@@ -0,0 +1,22 @@
+include(Wayland)
+
+WAYLAND_ADD_PROTOCOL_CLIENT(proto-client-xdg-shell
+	xdg-shell.xml
+	xdg-shell
+)
+WAYLAND_ADD_PROTOCOL_CLIENT(proto-client-desktop-shell
+	desktop-shell.xml
+	desktop-shell
+)
+WAYLAND_ADD_PROTOCOL_SERVER(proto-server-desktop-shell
+	desktop-shell.xml
+	desktop-shell
+)
+
+add_library(sway-protocols
+	${proto-client-xdg-shell}
+	${proto-client-desktop-shell}
+	${proto-server-desktop-shell}
+	)
+
+set(PROTOCOLS_INCLUDE_DIRS ${CMAKE_BINARY_DIR}/protocols PARENT_SCOPE)

sway/CMakeLists.txt

@@ -1,33 +1,33 @@
-find_package(XKBCommon REQUIRED)
-find_package(WLC REQUIRED)
-find_package(PCRE REQUIRED)
-find_package(Wayland REQUIRED)
-find_package(JsonC REQUIRED)
-
-include(Wayland)
-WAYLAND_ADD_PROTOCOL_SERVER(proto-desktop-shell
-	${PROJECT_SOURCE_DIR}/protocols/desktop-shell.xml
-	desktop-shell
-)
-
-file(GLOB sources ${PROJECT_SOURCE_DIR}/sway/*.c)
-file(GLOB common ${PROJECT_SOURCE_DIR}/common/*.c)
-
 include_directories(
+	${PROTOCOLS_INCLUDE_DIRS}
 	${WLC_INCLUDE_DIRS}
 	${PCRE_INCLUDE_DIRS}
 	${JSONC_INCLUDE_DIRS}
 	${XKBCOMMON_INCLUDE_DIRS}
-	${CMAKE_CURRENT_BINARY_DIR}
 )
 
 add_executable(sway
-	${sources}
-	${common}
-	${proto-desktop-shell}
+	commands.c
+	config.c
+	container.c
+	criteria.c
+	debug_log.c
+	extensions.c
+	focus.c
+	handlers.c
+	input_state.c
+	ipc-server.c
+	layout.c
+	main.c
+	output.c
+	resize.c
+	util.c
+	workspace.c
 )
 
 target_link_libraries(sway
+	sway-common
+	sway-protocols
 	${WLC_LIBRARIES}
 	${XKBCOMMON_LIBRARIES}
 	${PCRE_LIBRARIES}

swaybar/CMakeLists.txt

@@ -1,37 +1,17 @@
-find_package(Wayland REQUIRED)
-find_package(Cairo REQUIRED)
-find_package(Pango REQUIRED)
-
-include(Wayland)
-WAYLAND_ADD_PROTOCOL_CLIENT(proto-xdg-shell
-	../protocols/xdg-shell.xml
-	xdg-shell
-)
-WAYLAND_ADD_PROTOCOL_CLIENT(proto-desktop-shell
-	../protocols/desktop-shell.xml
-	desktop-shell
-)
-
 include_directories(
+	${PROTOCOLS_INCLUDE_DIRS}
 	${WAYLAND_CLIENT_INCLUDE_DIR}
 	${CAIRO_INCLUDE_DIRS}
 	${PANGO_INCLUDE_DIRS}
-	${CMAKE_CURRENT_BINARY_DIR}
 )
 
-file(GLOB sources *.c)
-file(GLOB common ../common/*.c)
-file(GLOB wl_sources ../wayland/*.c)
-
 add_executable(swaybar
-	${sources}
-	${wl_sources}
-	${common}
-	${proto-xdg-shell}
-	${proto-desktop-shell}
+	main.c
 )
 
 target_link_libraries(swaybar
+	sway-common
+	sway-wayland
 	${WAYLAND_CLIENT_LIBRARIES}
 	${WAYLAND_CURSOR_LIBRARIES}
 	${CAIRO_LIBRARIES}

swaybg/CMakeLists.txt

@@ -1,37 +1,17 @@
-find_package(Wayland REQUIRED)
-find_package(Cairo REQUIRED)
-find_package(Pango REQUIRED)
-
-include(Wayland)
-WAYLAND_ADD_PROTOCOL_CLIENT(proto-xdg-shell
-	../protocols/xdg-shell.xml
-	xdg-shell
-)
-WAYLAND_ADD_PROTOCOL_CLIENT(proto-desktop-shell
-	../protocols/desktop-shell.xml
-	desktop-shell
-)
-
 include_directories(
+	${PROTOCOLS_INCLUDE_DIRS}
 	${WAYLAND_CLIENT_INCLUDE_DIR}
 	${CAIRO_INCLUDE_DIRS}
 	${PANGO_INCLUDE_DIRS}
-	${CMAKE_CURRENT_BINARY_DIR}
 )
 
-file(GLOB sources *.c)
-file(GLOB common ../common/*.c)
-file(GLOB wl_sources ../wayland/*.c)
-
 add_executable(swaybg
-	${sources}
-	${wl_sources}
-	${common}
-	${proto-xdg-shell}
-	${proto-desktop-shell}
+	main.c
 )
 
 target_link_libraries(swaybg
+	sway-common
+	sway-wayland
 	${WAYLAND_CLIENT_LIBRARIES}
 	${WAYLAND_CURSOR_LIBRARIES}
 	${CAIRO_LIBRARIES}

swaygrab/CMakeLists.txt

@@ -1,12 +1,9 @@
-file(GLOB sources *.c)
-file(GLOB common ../common/*.c)
-
 add_executable(swaygrab
-	${sources}
-	${common}
+	main.c
 )
 
 target_link_libraries(swaygrab
+	sway-common
 	rt
 )
 

swaymsg/CMakeLists.txt

@@ -1,11 +1,11 @@
-file(GLOB sources *.c)
-file(GLOB common ../common/*.c)
-
 add_executable(swaymsg
-	${sources}
-	${common}
+	main.c
 )
 
+target_link_libraries(swaymsg
+	sway-common
+	)
+
 install(
 	TARGETS swaymsg
 	RUNTIME

wayland/CMakeLists.txt

@@ -0,0 +1,17 @@
+include_directories(
+	${PROTOCOLS_INCLUDE_DIRS}
+	${PANGO_INCLUDE_DIRS}
+)
+
+add_library(sway-wayland
+	buffers.c
+	pango.c
+	registry.c
+	window.c
+	)
+
+target_link_libraries(sway-wayland
+	sway-common
+	sway-protocols
+	${PANGO_LIBRARIES}
+	)