Improve diagnostics when submodules are not updated

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index cc2ded0c53078b9f288f35c7eaeca2ffdb644e1e..13c78b541e5786115bec4b33f72b537767d6eed1 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -29,18 +29,13 @@ set(FT_DISABLE_PNG ON)
 set(FT_DISABLE_HARFBUZZ ON)
 set(FT_DISABLE_BROTLI ON)
 
-add_subdirectory("${DEPS_DIR}/glfw" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/glfw")
-add_subdirectory("${DEPS_DIR}/glew-cmake" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/glew")
-add_subdirectory("${DEPS_DIR}/sqlite3-cmake" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/sqlite3")
-add_subdirectory("${DEPS_DIR}/perlin" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/perlin")
-add_subdirectory("${DEPS_DIR}/asprintf" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/asprintf")
-add_subdirectory("${DEPS_DIR}/dragonnet" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/dragonnet")
-add_subdirectory("${DEPS_DIR}/dragonstd" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/dragonstd")
-add_subdirectory("${DEPS_DIR}/getline" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/getline")
-add_subdirectory("${DEPS_DIR}/stpcpy" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/stpcpy")
-add_subdirectory("${DEPS_DIR}/linenoise" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/linenoise")
-add_subdirectory("${DEPS_DIR}/zlib" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/zlib")
-add_subdirectory("${DEPS_DIR}/freetype" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/freetype")
+foreach(DEP glfw glew-cmake sqlite3-cmake perlin asprintf dragonnet dragonstd getline stpcpy linenoise zlib freetype)
+       if(EXISTS "${DEPS_DIR}/${DEP}/CMakeLists.txt")
+               add_subdirectory("${DEPS_DIR}/${DEP}" EXCLUDE_FROM_ALL "${CMAKE_CURRENT_BINARY_DIR}/${DEP}")
+       else()
+               message(FATAL_ERROR "Submodule ${DEPS_DIR}/${DEP} does not contain CMakeLists.txt. This is most likely due to submodules not being updated. Use this command to fix the issue:\n\tgit submodule update --init --recursive\nAfter that, run CMake again.")
+       endif()
+endforeach()
 
 # Options