Add swaymsg subproject

swaymsg/CMakeLists.txt

@@ -0,0 +1,16 @@
+project(swaymsg)
+
+set(CMAKE_CURRENT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/../bin/)
+
+FILE(GLOB sources ${PROJECT_SOURCE_DIR}/*.c)
+FILE(GLOB common ${PROJECT_SOURCE_DIR}/../common/*.c)
+
+add_executable(swaymsg
+  ${sources}
+  ${common}
+)
+
+install(
+  TARGETS   swaymsg
+  RUNTIME   DESTINATION bin
+  COMPONENT runtime)

swaymsg/main.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void sway_terminate(void) {
+	exit(1);
+}
+
+int main(int argc, const char **argv) {
+	printf("Hello world!");
+	return 0;
+}