fix cmake for debugging (#6795)

Author: BMagnu

CMakeLists.txt

@@ -57,6 +57,7 @@ LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/finder")
 LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/external/rpavlik-cmake-modules")
 LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/external/cotire")
 
+INCLUDE(globals)
 INCLUDE(toolchain)
 include(embed_file)
 
@@ -159,7 +160,6 @@ mark_as_advanced(FORCE FSO_BUILD_WITH_VULKAN)
 mark_as_advanced(FORCE FSO_BUILD_WITH_OPENXR)
 mark_as_advanced(FORCE FSO_BUILD_WITH_OPENXR_DEBUG)
 
-INCLUDE(globals)
 INCLUDE(platforms)
 include(version)
 

cmake/toolchain-clang.cmake

@@ -119,14 +119,14 @@ string(REGEX MATCH "-O[a-zA-Z|0-9]+" C_OPT_FLAG ${C_BASE_FLAGS})
 # If no user-set opt flag, set -O3 and -Og
 if ("${CXX_OPT_FLAG}" STREQUAL "")
 	set(CXX_OPT_FLAG_RELEASE "-O3")
-	set(CXX_OPT_FLAG_DEBUG "-Og")
+	set(CXX_OPT_FLAG_DEBUG "-O0")
 else()
 	set(CXX_OPT_FLAG_RELEASE "${CXX_OPT_FLAG}")
 	set(CXX_OPT_FLAG_DEBUG "${CXX_OPT_FLAG}")
 endif()
 if ("${C_OPT_FLAG}" STREQUAL "")
 	set(C_OPT_FLAG_RELEASE "-O3")
-	set(C_OPT_FLAG_DEBUG "-Og")
+	set(C_OPT_FLAG_DEBUG "-O0")
 else()
 	set(C_OPT_FLAG_RELEASE "${C_OPT_FLAG}")
 	set(C_OPT_FLAG_DEBUG "${C_OPT_FLAG}")

cmake/toolchain-gcc.cmake

@@ -161,14 +161,14 @@ string(REGEX MATCH "-O[a-zA-Z|0-9]+" C_OPT_FLAG ${C_BASE_FLAGS})
 # If no user-set opt flag, set -O3 and -Og
 if ("${CXX_OPT_FLAG}" STREQUAL "")
 	set(CXX_OPT_FLAG_RELEASE "-O3")
-	set(CXX_OPT_FLAG_DEBUG "-Og")
+	set(CXX_OPT_FLAG_DEBUG "-O0")
 else()
 	set(CXX_OPT_FLAG_RELEASE "${CXX_OPT_FLAG}")
 	set(CXX_OPT_FLAG_DEBUG "${CXX_OPT_FLAG}")
 endif()
 if ("${C_OPT_FLAG}" STREQUAL "")
 	set(C_OPT_FLAG_RELEASE "-O3")
-	set(C_OPT_FLAG_DEBUG "-Og")
+	set(C_OPT_FLAG_DEBUG "-O0")
 else()
 	set(C_OPT_FLAG_RELEASE "${C_OPT_FLAG}")
 	set(C_OPT_FLAG_DEBUG "${C_OPT_FLAG}")