diff options
| author | William D. Jones <thor0505@comcast.net> | 2021-04-07 06:24:29 -0400 |
|---|---|---|
| committer | William D. Jones <thor0505@comcast.net> | 2021-04-07 06:25:29 -0400 |
| commit | 2cb2985539f066b972750e0c3a4fc1ded231368a (patch) | |
| tree | 05180b1164ab05a15f22f175fab1e5c016e2bfc8 /CMakeLists.txt | |
| parent | 31eda82b3f69e6d9dcc487d2aa8cab622df55cf7 (diff) | |
| download | nextpnr-2cb2985539f066b972750e0c3a4fc1ded231368a.tar.gz nextpnr-2cb2985539f066b972750e0c3a4fc1ded231368a.tar.bz2 nextpnr-2cb2985539f066b972750e0c3a4fc1ded231368a.zip | |
Add CMake option to enable IPO (enabled by default).
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index ff26d4ba..538ad1a4 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -19,8 +19,19 @@ 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) option(PROFILER "Link against libprofiler" OFF) -if(ipo_supported) - set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE) +option(USE_IPO "Compile nextpnr with IPO" ON) + +if (USE_IPO) + if (ipo_supported) + message(STATUS "Building with IPO") + set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE) + else() + message(STATUS "IPO is not supported with this compiler") + set(CMAKE_INTERPROCEDURAL_OPTIMIZATION FALSE) + endif() +else() + message(STATUS "Building without IPO") + set(CMAKE_INTERPROCEDURAL_OPTIMIZATION FALSE) endif() if(WIN32 OR EXTERNAL_CHIPDB) |