| From 8fc28b4c4c01581b25220fdbc1eeda196e399256 Mon Sep 17 00:00:00 2001 |
| From: Thomas Petazzoni <thomas.petazzoni@bootlin.com> |
| Date: Wed, 10 Oct 2018 09:28:00 +0200 |
| Subject: [PATCH] CMakeLists.txt: conditionally use -Wpedantic |
| |
| -Wpedantic is only provided by gcc >= 4.8. Since showing pedantic |
| warnings is not really mandatory, let's only use this option when the |
| compiler supports it. |
| |
| Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> |
| Upstream: https://github.com/quiet/libcorrect/pull/25 |
| --- |
| CMakeLists.txt | 7 ++++++- |
| 1 file changed, 6 insertions(+), 1 deletion(-) |
| |
| diff --git a/CMakeLists.txt b/CMakeLists.txt |
| index 193f311..e570198 100644 |
| --- a/CMakeLists.txt |
| +++ b/CMakeLists.txt |
| @@ -3,13 +3,18 @@ project(Correct C) |
| include(CheckLibraryExists) |
| include(CheckIncludeFiles) |
| include(CheckCSourceCompiles) |
| +include(CheckCCompilerFlag) |
| |
| if(MSVC) |
| set(LIBM "") |
| set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4") |
| else(MSVC) |
| set(LIBM "m") |
| -set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -std=c99 -Wpedantic -Wall") |
| +set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -std=c99 -Wall") |
| +check_c_compiler_flag(-Wpedantic COMPILER_SUPPORTS_WPEDANTIC) |
| +if(COMPILER_SUPPORTS_WPEDANTIC) |
| +set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wpedantic") |
| +endif() |
| if(CMAKE_BUILD_TYPE STREQUAL "Debug") |
| set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3 -O0 -fsanitize=address") |
| set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-no_pie,") |
| -- |
| 2.14.4 |
| |
