cmake: Do not rerun try_compile invocations

Change-Id: I5eccf9f810d7ee55a311884bd5cf483f8086bae6 Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
2019-02-11 00:20:34 +01:00 · 2019-02-11 00:20:34 +01:00 · 04ff8b5b6a
commit 04ff8b5b6a
parent b388bc7e77
1 changed files with 4 additions and 0 deletions
--- a/cmake/QtFeature.cmake
+++ b/cmake/QtFeature.cmake
@ -396,6 +396,10 @@ endfunction()

 function(qt_config_compile_test_x86simd extension label)
    string(TOUPPER ${extension} extension_uppercase)
+    if (DEFINED TEST_X86SIMD_${extension})
+        return()
+    endif()
+
    try_compile(TEST_X86SIMD_${extension} "${CMAKE_CURRENT_BINARY_DIR}"
        "${CMAKE_CURRENT_SOURCE_DIR}/config.tests/x86_simd/main.cpp"
        COMPILE_DEFINITIONS -DQT_COMPILER_SUPPORTS_${extension_uppercase}