diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 2f519ee..f541898 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -28,13 +28,40 @@ if(NOT DEFINED LOCALE_INSTALL_DIR) endif(NOT DEFINED LOCALE_INSTALL_DIR) +# --- Look for SSE support -------------------------------------------------- +include(CheckCXXSourceRuns) +set(SSE_FLAGS) +if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) + set(CMAKE_REQUIRED_FLAGS "-msse") + check_cxx_source_runs(" + #include <xmmintrin.h> + int main() + { + __m128 a, b; + float vals[4] = {0}; + a = _mm_loadu_ps(vals); + b = a; + b = _mm_add_ps(a,b); + _mm_storeu_ps(vals,b); + return 0; + }" + SSE_AVAILABLE) + + set(CMAKE_REQUIRED_FLAGS) + + if (SSE_AVAILABLE) + option(HAVE_SSE "Use SSE extensions" ON) + set(SSE_FLAGS "-msse") + endif() +endif() + # --- Build library and install --------------------------------------------- include_directories( ${CMAKE_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR} ) -add_definitions("--std=c99 -Wall -O2") +add_definitions("--std=c99 -Wall -O2 ${SSE_FLAGS}") add_library(ipe SHARED src/libipe.c) |