allow compile_commands to be customisable

Author: dk949

cmake/compile_commands.cmake

@@ -1,21 +1,17 @@
-function (link_compile_commands)
+function (link_compile_commands name)
     if (MSVC OR NOT CMAKE_EXPORT_COMPILE_COMMANDS)
         return()
     endif ()
-    set(_current_list_path ${CMAKE_CURRENT_LIST_DIR})
 
-    string(
-        REGEX
-        REPLACE "\/|\\|\ "
-                "_"
-                _dir
-                ${_current_list_path}
-    )
+    string(REGEX REPLACE "\/|\\|\ |\." "_" _dir ${CMAKE_CURRENT_LIST_DIR})
+    string(REGEX REPLACE "\/|\\|\ |\." "_" _name ${name})
 
-    add_custom_target(
-        ${_dir}_compile_commands ALL
-        COMMAND ${CMAKE_COMMAND} -E create_symlink ${CMAKE_BINARY_DIR}/compile_commands.json
-                ${_current_list_path}/compile_commands.json
+    set(cmd_target "${CMAKE_CURRENT_LIST_DIR}/${name}")
+    add_custom_command(
+        OUTPUT ${cmd_target}
+        COMMAND ${CMAKE_COMMAND} -E create_symlink "${CMAKE_BINARY_DIR}/${name}"
+                "${CMAKE_CURRENT_LIST_DIR}/${name}"
     )
 
+    add_custom_target(${_dir}_${name} ALL DEPENDS ${cmd_target})
 endfunction ()

src/CMakeLists.txt

@@ -1,4 +1,4 @@
-link_compile_commands()
+link_compile_commands(compile_commands.json)
 
 file(GLOB_RECURSE SOURCE_FILES "${CMAKE_SOURCE_DIR}/src/*.cpp")
 list(REMOVE_ITEM SOURCE_FILES ${MAIN})

tests/CMakeLists.txt

@@ -1,4 +1,4 @@
-link_compile_commands()
+link_compile_commands(compile_commands.json)
 
 file(GLOB_RECURSE TEST_FILES "${CMAKE_SOURCE_DIR}/tests/*.cpp")
 add_executable(${TEST_NAME} ${TEST_FILES})