ld.gold notes

CMakeLists.txt

@@ -4,6 +4,25 @@ project(zinnia VERSION 0.1
 			   LANGUAGES C CXX)
 set(CMAKE_CXX_STANDARD 17)
 
+# ## Thanks to yipdw/ninjawedding for this snippet: https://gitlab.peach-bun.com/snippets/103
+# If ld.gold is available, use it -- it's faster.  Also enable incremental
+# linking for debug and release.
+
+# TODO: It's probably a good idea to enable -z relro for non-development
+# builds.  That's more CMake archaeology, though, and I'm not really in the
+# mood for that now.
+# option(USE_LD_GOLD "Use GNU gold linker" ON)
+# execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
+# if(USE_LD_GOLD)
+#     execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
+#     if("${LD_VERSION}" MATCHES "GNU gold")
+#         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold -Wl,-z,norelro -Wl,--incremental")
+#     else()
+#         message(WARNING "GNU gold linker isn't available, using the default system linker.")
+#     endif()
+# endif()
+
+
 find_package(PkgConfig REQUIRED)
 find_package(OpenGL REQUIRED)
 pkg_check_modules(GTK3 REQUIRED gtk+-3.0)