From e9802ea2621ae80ab3853032858c76b3559453da Mon Sep 17 00:00:00 2001
From: D-mo <dimitry-ishenko@users.noreply.github.com>
Date: Tue, 10 Sep 2024 13:31:18 -0400
Subject: [PATCH] chore: Add support for language servers (#1558)

---
 src/CMakeLists.txt | 59 ++++++++++++++++++++++++----------------------
 1 file changed, 31 insertions(+), 28 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 05ebb28431..eab9ae3d31 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.16)
+cmake_minimum_required(VERSION 3.16)
 
 # Project settings
 PROJECT ("CasparCG Server")
@@ -7,6 +7,9 @@ SET (CONFIG_VERSION_MINOR 4)
 SET (CONFIG_VERSION_BUG 0)
 SET (CONFIG_VERSION_TAG "Dev")
 
+# support for language servers (eg, clangd or ccls)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
 set(CASPARCG_DOWNLOAD_MIRROR https://github.com/CasparCG/dependencies/releases/download/ CACHE STRING "Source/mirror to use for external dependencies")
 set(CASPARCG_DOWNLOAD_CACHE ${CMAKE_CURRENT_BINARY_DIR}/external CACHE STRING "Download cache directory for cmake ExternalProjects")
 
@@ -21,41 +24,41 @@ set(DIAG_FONT_PATH "LiberationMono-Regular.ttf" CACHE STRING
 add_compile_definitions("DIAG_FONT_PATH=\"${DIAG_FONT_PATH}\"")
 
 # Add custom cmake modules path
-SET (CASPARCG_PATCH_DIR ${CMAKE_SOURCE_DIR}/CMakeModules/patches)
-LIST (APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/CMakeModules)
+set(CASPARCG_PATCH_DIR ${CMAKE_SOURCE_DIR}/CMakeModules/patches)
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/CMakeModules)
 
 # Determine the git hash
-FIND_PACKAGE (Git)
-SET (CONFIG_VERSION_GIT_HASH "N/A")
-IF (DEFINED ENV{GIT_HASH} AND NOT $ENV{GIT_HASH} STREQUAL "")
-	SET (CONFIG_VERSION_GIT_HASH "$ENV{GIT_HASH}")
-ELSEIF (GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/../.git")
-	EXEC_PROGRAM ("${GIT_EXECUTABLE}" "${PROJECT_SOURCE_DIR}/../" ARGS rev-parse --verify --short HEAD OUTPUT_VARIABLE CONFIG_VERSION_GIT_HASH)
-ENDIF ()
+find_package(Git)
+set(CONFIG_VERSION_GIT_HASH "N/A")
+if(DEFINED ENV{GIT_HASH} AND NOT $ENV{GIT_HASH} STREQUAL "")
+    set(CONFIG_VERSION_GIT_HASH "$ENV{GIT_HASH}")
+elseif(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/../.git")
+    exec_program("${GIT_EXECUTABLE}" "${PROJECT_SOURCE_DIR}/../" ARGS rev-parse --verify --short HEAD OUTPUT_VARIABLE CONFIG_VERSION_GIT_HASH)
+endif()
 
 cmake_host_system_information(RESULT CONFIG_CPU_COUNT QUERY NUMBER_OF_PHYSICAL_CORES)
 
-INCLUDE (CasparCG_Util)
-CONFIGURE_FILE ("${PROJECT_SOURCE_DIR}/version.tmpl" "${CMAKE_BINARY_DIR}/generated/version.h")
+include(CasparCG_Util)
+configure_file("${PROJECT_SOURCE_DIR}/version.tmpl" "${CMAKE_BINARY_DIR}/generated/version.h")
 
-if (MSVC)
-	INCLUDE (Bootstrap_Windows)
+if(MSVC)
+    include(Bootstrap_Windows)
 else ()
-	INCLUDE (Bootstrap_Linux)
+    include(Bootstrap_Linux)
 
-	# Output build settings
-	MESSAGE (STATUS "Target architecture: ${CMAKE_SYSTEM_PROCESSOR}")
-	MESSAGE (STATUS "CPU Count: ${CONFIG_CPU_COUNT}")
-	MESSAGE (STATUS "Target build type: ${CMAKE_BUILD_TYPE}")
-	MESSAGE (STATUS "Build Version: ${CONFIG_VERSION_MAJOR}.${CONFIG_VERSION_MINOR}.${CONFIG_VERSION_BUG} ${CONFIG_VERSION_TAG} (Revision: ${CONFIG_VERSION_GIT_HASH})")
+    # Output build settings
+    message(STATUS "Target architecture: ${CMAKE_SYSTEM_PROCESSOR}")
+    message(STATUS "CPU Count: ${CONFIG_CPU_COUNT}")
+    message(STATUS "Target build type: ${CMAKE_BUILD_TYPE}")
+    message(STATUS "Build Version: ${CONFIG_VERSION_MAJOR}.${CONFIG_VERSION_MINOR}.${CONFIG_VERSION_BUG} ${CONFIG_VERSION_TAG} (Revision: ${CONFIG_VERSION_GIT_HASH})")
 endif ()
 
-INCLUDE_DIRECTORIES ("${CMAKE_BINARY_DIR}/generated")
+include_directories("${CMAKE_BINARY_DIR}/generated")
 
-ADD_SUBDIRECTORY (tools)
-ADD_SUBDIRECTORY (accelerator)
-ADD_SUBDIRECTORY (common)
-ADD_SUBDIRECTORY (core)
-ADD_SUBDIRECTORY (modules)
-ADD_SUBDIRECTORY (protocol)
-ADD_SUBDIRECTORY (shell)
+add_subdirectory(tools)
+add_subdirectory(accelerator)
+add_subdirectory(common)
+add_subdirectory(core)
+add_subdirectory(modules)
+add_subdirectory(protocol)
+add_subdirectory(shell)