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Enable compilation with unsafe fast math option

pull/326/head
Hleb Valoshka 2019-05-17 16:52:32 +03:00
parent dc6e86edbf
commit 88fe409d21
1 changed files with 7 additions and 0 deletions
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7
CMakeLists.txt
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@ -30,6 +30,7 @@ option(ENABLE_WIN "Build Windows native frontend? (Default: on)" ON)
option(ENABLE_THEORA "Support video capture to OGG Theora? (Default: on)" ON)
option(ENABLE_TOOLS "Build different tools? (Default: off)" OFF)
option(NATIVE_OSX_APP "Support native OSX paths read data from (Default: off)" OFF)
option(FAST_MATH "Build with unsafe fast-math compiller option (Default: off)" OFF)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Build type." FORCE)
@ -40,6 +41,9 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
if(NOT MSVC)
# Qt requires -fPIC, so build all code with it
add_compile_options(-fPIC)
if(FAST_MATH)
add_compile_options("-ffast-math")
endif()
else()
# Disabled warnings
# C4244, C4267, C4503: implicit type conversion to a smaller type
@ -48,6 +52,9 @@ else()
# Additional options
# bigobj: generate more object sections than allowed by default
add_compile_options("/wd4244" "/wd4267" "/wd4503" "/wd4800" "/bigobj")
if(FAST_MATH)
add_compile_options("/fp:fast")
endif()
endif()
if(UNIX AND (NOT APPLE) AND (NOT CYGWIN))