Merge pull request #3522 from wdv4758h/clang-3.7-options

build: fix '-fno-sanitize-recover' warning in Clang 3.7
neovim · May 16, 2016 · 33ba27b · 33ba27b
2 parents 71450b5 + c9067db
commit 33ba27b
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/nvim/CMakeLists.txt b/src/nvim/CMakeLists.txt
@@ -1,4 +1,5 @@
 include(CheckLibraryExists)
+include(CheckCCompilerFlag)
 
 option(USE_GCOV "Enable gcov support" OFF)
 
@@ -258,8 +259,14 @@ install_helper(TARGETS nvim)
 
 if(CLANG_ASAN_UBSAN)
   message(STATUS "Enabling Clang address sanitizer and undefined behavior sanitizer for nvim.")
+  check_c_compiler_flag(-fno-sanitize-recover=all SANITIZE_RECOVER_ALL)
+  if(SANITIZE_RECOVER_ALL)
+    set(SANITIZE_RECOVER -fno-sanitize-recover=all)     # Clang 3.6+
+  else()
+    set(SANITIZE_RECOVER -fno-sanitize-recover)         # Clang 3.5-
+  endif()
   set_property(TARGET nvim APPEND_STRING PROPERTY COMPILE_FLAGS "-DEXITFREE ")
-  set_property(TARGET nvim APPEND_STRING PROPERTY COMPILE_FLAGS "-fno-sanitize-recover -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize=address -fsanitize=undefined -fsanitize-blacklist=${PROJECT_SOURCE_DIR}/.asan-blacklist")
+  set_property(TARGET nvim APPEND_STRING PROPERTY COMPILE_FLAGS "${SANITIZE_RECOVER} -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize=address -fsanitize=undefined -fsanitize-blacklist=${PROJECT_SOURCE_DIR}/.asan-blacklist")
   set_property(TARGET nvim APPEND_STRING PROPERTY LINK_FLAGS "-fsanitize=address -fsanitize=undefined ")
 elseif(CLANG_MSAN)
   message(STATUS "Enabling Clang memory sanitizer for nvim.")