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author | gatecat <gatecat@ds0.me> | 2021-02-25 10:57:54 +0000 |
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committer | gatecat <gatecat@ds0.me> | 2021-02-25 11:05:26 +0000 |
commit | 17183fff05e52471ff4c619fc24e104234489803 (patch) | |
tree | 24e274534a728441a1f6bb219379a2972ff8df4f /CMakeLists.txt | |
parent | ab8dfcfba4544c6733d074b24b0529d431b66d29 (diff) | |
download | nextpnr-17183fff05e52471ff4c619fc24e104234489803.tar.gz nextpnr-17183fff05e52471ff4c619fc24e104234489803.tar.bz2 nextpnr-17183fff05e52471ff4c619fc24e104234489803.zip |
cmake: Enable -Wextra, and -Werror in some cases
-Werror is not enabled by default, except on CI and for a few specific common traps, to avoid the inevitable breakages when new compiler versions add new diagnostics.
Signed-off-by: gatecat <gatecat@ds0.me>
Diffstat (limited to 'CMakeLists.txt')
-rw-r--r-- | CMakeLists.txt | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 87f2e9b0..f2377975 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -9,6 +9,7 @@ option(USE_OPENMP "Use OpenMP to accelerate analytic placer" OFF) option(COVERAGE "Add code coverage info" OFF) option(STATIC_BUILD "Create static build" OFF) option(EXTERNAL_CHIPDB "Create build with pre-built chipdb binaries" OFF) +option(WERROR "pass -Werror to compiler (used for CI)" OFF) if(WIN32 OR EXTERNAL_CHIPDB) set(BBASM_MODE "binary") @@ -105,11 +106,15 @@ if (MSVC) set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /D_DEBUG /W4 /wd4100 /wd4244 /wd4125 /wd4800 /wd4456 /wd4458 /wd4305 /wd4459 /wd4121 /wd4996") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /W4 /wd4100 /wd4244 /wd4125 /wd4800 /wd4456 /wd4458 /wd4305 /wd4459 /wd4121 /wd4996 /wd4127") else() - set(CMAKE_CXX_FLAGS_DEBUG "-Wall -fPIC -ggdb -pipe") + set(WARN_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Werror=sign-compare -Werror=return-type") + if (WERROR) + set(WARN_FLAGS "${WARN_FLAGS} -Werror") + endif() + set(CMAKE_CXX_FLAGS_DEBUG "${WARN_FLAGS} -fPIC -ggdb -pipe") if (USE_OPENMP) - set(CMAKE_CXX_FLAGS_RELEASE "-Wall -fPIC -O3 -g -pipe -fopenmp") + set(CMAKE_CXX_FLAGS_RELEASE "${WARN_FLAGS} -fPIC -O3 -g -pipe -fopenmp") else() - set(CMAKE_CXX_FLAGS_RELEASE "-Wall -fPIC -O3 -g -pipe") + set(CMAKE_CXX_FLAGS_RELEASE "${WARN_FLAGS} -fPIC -O3 -g -pipe") endif() endif() |