cmake

[awesomized/libmemcached] / CMake / CheckDebug.cmake

diff --git a/CMake/CheckDebug.cmake b/CMake/CheckDebug.cmake
new file mode 100644 (file)
index 0000000..749e188
--- /dev/null
+++ b/CMake/CheckDebug.cmake
@@ -0,0 +1,64 @@
+include(CMakePushCheckState)
+include(CheckCXXCompilerFlag)
+
+function(check_debug)
+    if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+        add_compile_options(-O1)
+        add_compile_definitions(DEBUG=1)
+        foreach(FLAG IN ITEMS
+                -fno-inline
+                -fno-omit-frame-pointer
+                -fno-eliminate-unused-debug-types
+                -funsafe-loop-optimizations
+
+                -g3
+
+                -Wall
+                -Wextra
+
+                -Wdouble-promotion
+                -Wduplicated-cond
+                -Wduplicated-branches
+                -Wformat=2
+                -Wlogical-op
+                -Wnull-dereference
+                -Wrestrict
+                -Wshadow
+                -Wunknown-pragmas
+                -Wunsafe-loop-optimizations
+                )
+            unset(FLAG_CONSTANT)
+            string(MAKE_C_IDENTIFIER CXX${FLAG} FLAG_CONSTANT)
+            check_cxx_compiler_flag(${FLAG} ${FLAG_CONSTANT})
+            if(${FLAG_CONSTANT})
+                add_compile_options(${FLAG})
+            endif()
+        endforeach()
+
+        if(ENABLE_SANITIZERS)
+            if(address IN_LIST ENABLE_SANITIZERS OR asan IN_LIST ENABLE_SANITIZERS)
+                cmake_push_check_state(RESET)
+                set(CMAKE_REQUIRED_LIBRARIES asan)
+                check_cxx_compiler_flag(-fsanitize=address HAVE_ASAN)
+                cmake_pop_check_state()
+                if(HAVE_ASAN)
+                    add_compile_options(-fsanitize=address)
+                    add_link_options(-lasan)
+                endif()
+            endif()
+
+            if(undefined IN_LIST ENABLE_SANITIZERS OR ubsan IN_LIST ENABLE_SANITIZERS)
+                cmake_push_check_state(RESET)
+                set(CMAKE_REQUIRED_LIBRARIES ubsan)
+                check_cxx_compiler_flag(-fsanitize=undefined HAVE_UBSAN)
+                cmake_pop_check_state()
+                if(HAVE_UBSAN)
+                    add_compile_options(-fsanitize=undefined)
+                    add_link_options(-lubsan)
+                endif()
+            endif()
+        endif()
+    else()
+        add_compile_definitions(DEBUG=0)
+    endif()
+endfunction()