diff options
Diffstat (limited to 'third_party/aom/build/cmake/compiler_tests.cmake')
| -rw-r--r-- | third_party/aom/build/cmake/compiler_tests.cmake | 141 |
1 files changed, 71 insertions, 70 deletions
diff --git a/third_party/aom/build/cmake/compiler_tests.cmake b/third_party/aom/build/cmake/compiler_tests.cmake index 8a73ec8ff..f115610ba 100644 --- a/third_party/aom/build/cmake/compiler_tests.cmake +++ b/third_party/aom/build/cmake/compiler_tests.cmake @@ -1,26 +1,30 @@ -## -## Copyright (c) 2016, Alliance for Open Media. All rights reserved -## -## This source code is subject to the terms of the BSD 2 Clause License and -## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License -## was not distributed with this source code in the LICENSE file, you can -## obtain it at www.aomedia.org/license/software. If the Alliance for Open -## Media Patent License 1.0 was not distributed with this source code in the -## PATENTS file, you can obtain it at www.aomedia.org/license/patent. -## -if (NOT AOM_BUILD_CMAKE_COMPILER_TESTS_CMAKE_) +# +# Copyright (c) 2016, Alliance for Open Media. All rights reserved +# +# This source code is subject to the terms of the BSD 2 Clause License and the +# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was +# not distributed with this source code in the LICENSE file, you can obtain it +# at www.aomedia.org/license/software. If the Alliance for Open Media Patent +# License 1.0 was not distributed with this source code in the PATENTS file, you +# can obtain it at www.aomedia.org/license/patent. +# +if(AOM_BUILD_CMAKE_COMPILER_TESTS_CMAKE_) + return() +endif() # AOM_BUILD_CMAKE_COMPILER_TESTS_CMAKE_ set(AOM_BUILD_CMAKE_COMPILER_TESTS_CMAKE_ 1) include(CheckCSourceCompiles) include(CheckCXXSourceCompiles) # CMake passes command line flags like this: -# $compiler $lang_flags $lang_flags_config ... +# +# * $compiler $lang_flags $lang_flags_config ... +# # To ensure the flags tested here and elsewhere are obeyed a list of active # build configuration types is built, and flags are applied to the flag strings # for each configuration currently active for C and CXX builds as determined by # reading $CMAKE_CONFIGURATION_TYPES and $CMAKE_BUILD_TYPE. When -# $CMAKE_CONFIGURATION_TYPES is non-empty a multi-configuration generator is in +# $CMAKE_CONFIGURATION_TYPES is non-empty a multi- configuration generator is in # use: currently this includes MSVC and Xcode. For other generators # $CMAKE_BUILD_TYPE is used. For both cases AOM_<LANG>_CONFIGS is populated with # CMake string variable names that contain flags for the currently available @@ -28,19 +32,19 @@ include(CheckCXXSourceCompiles) unset(AOM_C_CONFIGS) unset(AOM_CXX_CONFIGS) list(LENGTH CMAKE_CONFIGURATION_TYPES num_configs) -if (${num_configs} GREATER 0) - foreach (config ${CMAKE_CONFIGURATION_TYPES}) +if(${num_configs} GREATER 0) + foreach(config ${CMAKE_CONFIGURATION_TYPES}) string(TOUPPER ${config} config) list(APPEND AOM_C_CONFIGS "CMAKE_C_FLAGS_${config}") list(APPEND AOM_CXX_CONFIGS "CMAKE_CXX_FLAGS_${config}") list(APPEND AOM_EXE_LINKER_CONFIGS "CMAKE_EXE_LINKER_FLAGS_${config}") - endforeach () -else () + endforeach() +else() string(TOUPPER ${CMAKE_BUILD_TYPE} config) set(AOM_C_CONFIGS "CMAKE_C_FLAGS_${config}") set(AOM_CXX_CONFIGS "CMAKE_CXX_FLAGS_${config}") set(AOM_EXE_LINKER_CONFIGS "CMAKE_EXE_LINKER_FLAGS_${config}") -endif () +endif() # The basic main() function used in all compile tests. set(AOM_C_MAIN "\nint main(void) { return 0; }") @@ -55,120 +59,117 @@ set(AOM_CXX_FAILED_TESTS) function(aom_push_var var new_value) set(SAVED_${var} ${${var}} PARENT_SCOPE) set(${var} "${${var}} ${new_value}" PARENT_SCOPE) -endfunction () +endfunction() function(aom_pop_var var) set(var ${SAVED_${var}} PARENT_SCOPE) unset(SAVED_${var} PARENT_SCOPE) -endfunction () +endfunction() # Confirms $test_source compiles and stores $test_name in one of # $AOM_C_PASSED_TESTS or $AOM_C_FAILED_TESTS depending on out come. When the -# test passes $result_var is set to 1. When it fails $result_var is unset. -# The test is not run if the test name is found in either of the passed or -# failed test variables. +# test passes $result_var is set to 1. When it fails $result_var is unset. The +# test is not run if the test name is found in either of the passed or failed +# test variables. function(aom_check_c_compiles test_name test_source result_var) - if (DEBUG_CMAKE_DISABLE_COMPILER_TESTS) + if(DEBUG_CMAKE_DISABLE_COMPILER_TESTS) return() - endif () + endif() unset(C_TEST_PASSED CACHE) unset(C_TEST_FAILED CACHE) string(FIND "${AOM_C_PASSED_TESTS}" "${test_name}" C_TEST_PASSED) string(FIND "${AOM_C_FAILED_TESTS}" "${test_name}" C_TEST_FAILED) - if (${C_TEST_PASSED} EQUAL -1 AND ${C_TEST_FAILED} EQUAL -1) + if(${C_TEST_PASSED} EQUAL -1 AND ${C_TEST_FAILED} EQUAL -1) unset(C_TEST_COMPILED CACHE) message("Running C compiler test: ${test_name}") check_c_source_compiles("${test_source} ${AOM_C_MAIN}" C_TEST_COMPILED) set(${result_var} ${C_TEST_COMPILED} PARENT_SCOPE) - if (C_TEST_COMPILED) - set(AOM_C_PASSED_TESTS "${AOM_C_PASSED_TESTS} ${test_name}" CACHE STRING - "" FORCE) - else () - set(AOM_C_FAILED_TESTS "${AOM_C_FAILED_TESTS} ${test_name}" CACHE STRING - "" FORCE) + if(C_TEST_COMPILED) + set(AOM_C_PASSED_TESTS "${AOM_C_PASSED_TESTS} ${test_name}" + CACHE STRING "" FORCE) + else() + set(AOM_C_FAILED_TESTS "${AOM_C_FAILED_TESTS} ${test_name}" + CACHE STRING "" FORCE) message("C Compiler test ${test_name} failed.") - endif () - elseif (NOT ${C_TEST_PASSED} EQUAL -1) + endif() + elseif(NOT ${C_TEST_PASSED} EQUAL -1) set(${result_var} 1 PARENT_SCOPE) - else () # ${C_TEST_FAILED} NOT EQUAL -1 + else() # ${C_TEST_FAILED} NOT EQUAL -1 unset(${result_var} PARENT_SCOPE) - endif () -endfunction () + endif() +endfunction() # Confirms $test_source compiles and stores $test_name in one of # $AOM_CXX_PASSED_TESTS or $AOM_CXX_FAILED_TESTS depending on out come. When the -# test passes $result_var is set to 1. When it fails $result_var is unset. -# The test is not run if the test name is found in either of the passed or -# failed test variables. +# test passes $result_var is set to 1. When it fails $result_var is unset. The +# test is not run if the test name is found in either of the passed or failed +# test variables. function(aom_check_cxx_compiles test_name test_source result_var) - if (DEBUG_CMAKE_DISABLE_COMPILER_TESTS) + if(DEBUG_CMAKE_DISABLE_COMPILER_TESTS) return() - endif () + endif() unset(CXX_TEST_PASSED CACHE) unset(CXX_TEST_FAILED CACHE) string(FIND "${AOM_CXX_PASSED_TESTS}" "${test_name}" CXX_TEST_PASSED) string(FIND "${AOM_CXX_FAILED_TESTS}" "${test_name}" CXX_TEST_FAILED) - if (${CXX_TEST_PASSED} EQUAL -1 AND ${CXX_TEST_FAILED} EQUAL -1) + if(${CXX_TEST_PASSED} EQUAL -1 AND ${CXX_TEST_FAILED} EQUAL -1) unset(CXX_TEST_COMPILED CACHE) message("Running CXX compiler test: ${test_name}") check_cxx_source_compiles("${test_source} ${AOM_CXX_MAIN}" CXX_TEST_COMPILED) set(${result_var} ${CXX_TEST_COMPILED} PARENT_SCOPE) - if (CXX_TEST_COMPILED) - set(AOM_CXX_PASSED_TESTS "${AOM_CXX_PASSED_TESTS} ${test_name}" CACHE - STRING "" FORCE) - else () - set(AOM_CXX_FAILED_TESTS "${AOM_CXX_FAILED_TESTS} ${test_name}" CACHE - STRING "" FORCE) + if(CXX_TEST_COMPILED) + set(AOM_CXX_PASSED_TESTS "${AOM_CXX_PASSED_TESTS} ${test_name}" + CACHE STRING "" FORCE) + else() + set(AOM_CXX_FAILED_TESTS "${AOM_CXX_FAILED_TESTS} ${test_name}" + CACHE STRING "" FORCE) message("CXX Compiler test ${test_name} failed.") - endif () - elseif (NOT ${CXX_TEST_PASSED} EQUAL -1) + endif() + elseif(NOT ${CXX_TEST_PASSED} EQUAL -1) set(${result_var} 1 PARENT_SCOPE) - else () # ${CXX_TEST_FAILED} NOT EQUAL -1 + else() # ${CXX_TEST_FAILED} NOT EQUAL -1 unset(${result_var} PARENT_SCOPE) - endif () -endfunction () + endif() +endfunction() # Convenience function that confirms $test_source compiles as C and C++. # $result_var is set to 1 when both tests are successful, and 0 when one or both -# tests fail. -# Note: This function is intended to be used to write to result variables that -# are expanded via configure_file(). $result_var is set to 1 or 0 to allow -# direct usage of the value in generated source files. +# tests fail. Note: This function is intended to be used to write to result +# variables that are expanded via configure_file(). $result_var is set to 1 or 0 +# to allow direct usage of the value in generated source files. function(aom_check_source_compiles test_name test_source result_var) unset(C_PASSED) unset(CXX_PASSED) aom_check_c_compiles(${test_name} ${test_source} C_PASSED) aom_check_cxx_compiles(${test_name} ${test_source} CXX_PASSED) - if (C_PASSED AND CXX_PASSED) + if(C_PASSED AND CXX_PASSED) set(${result_var} 1 PARENT_SCOPE) - else () + else() set(${result_var} 0 PARENT_SCOPE) - endif () -endfunction () + endif() +endfunction() # When inline support is detected for the current compiler the supported # inlining keyword is written to $result in caller scope. -function (aom_get_inline result) +function(aom_get_inline result) aom_check_source_compiles("inline_check_1" "static inline void function(void) {}" HAVE_INLINE_1) - if (HAVE_INLINE_1 EQUAL 1) + if(HAVE_INLINE_1 EQUAL 1) set(${result} "inline" PARENT_SCOPE) return() - endif () + endif() # Check __inline. aom_check_source_compiles("inline_check_2" "static __inline void function(void) {}" HAVE_INLINE_2) - if (HAVE_INLINE_2 EQUAL 1) + if(HAVE_INLINE_2 EQUAL 1) set(${result} "__inline" PARENT_SCOPE) - endif () -endfunction () - -endif () # AOM_BUILD_CMAKE_COMPILER_TESTS_CMAKE_ + endif() +endfunction() |