diff options
Diffstat (limited to 'third_party/aom/build/cmake/compiler_tests.cmake')
| -rw-r--r-- | third_party/aom/build/cmake/compiler_tests.cmake | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/third_party/aom/build/cmake/compiler_tests.cmake b/third_party/aom/build/cmake/compiler_tests.cmake deleted file mode 100644 index f115610ba..000000000 --- a/third_party/aom/build/cmake/compiler_tests.cmake +++ /dev/null @@ -1,175 +0,0 @@ -# -# 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 ... -# -# 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 -# use: currently this includes MSVC and Xcode. For other generators -# $CMAKE_BUILD_TYPE is used. For both cases AOM_<LANG>_CONFIGS is populated with -# CMake string variable names that contain flags for the currently available -# configuration(s). -unset(AOM_C_CONFIGS) -unset(AOM_CXX_CONFIGS) -list(LENGTH CMAKE_CONFIGURATION_TYPES num_configs) -if(${num_configs} GREATER 0) - foreach(config ${CMAKE_CONFIGURATION_TYPES}) - 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() - 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() - -# The basic main() function used in all compile tests. -set(AOM_C_MAIN "\nint main(void) { return 0; }") -set(AOM_CXX_MAIN "\nint main() { return 0; }") - -# Strings containing the names of passed and failed tests. -set(AOM_C_PASSED_TESTS) -set(AOM_C_FAILED_TESTS) -set(AOM_CXX_PASSED_TESTS) -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() - -function(aom_pop_var var) - set(var ${SAVED_${var}} PARENT_SCOPE) - unset(SAVED_${var} PARENT_SCOPE) -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 $result_var is unset. The -# test is not run if the test name is found in either of the passed or failed -# test variables. -function(aom_check_c_compiles test_name test_source result_var) - if(DEBUG_CMAKE_DISABLE_COMPILER_TESTS) - return() - endif() - - unset(C_TEST_PASSED CACHE) - unset(C_TEST_FAILED CACHE) - string(FIND "${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) - 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) - message("C Compiler test ${test_name} failed.") - endif() - elseif(NOT ${C_TEST_PASSED} EQUAL -1) - set(${result_var} 1 PARENT_SCOPE) - else() # ${C_TEST_FAILED} NOT EQUAL -1 - unset(${result_var} PARENT_SCOPE) - 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 $result_var is unset. The -# test is not run if the test name is found in either of the passed or failed -# test variables. -function(aom_check_cxx_compiles test_name test_source result_var) - if(DEBUG_CMAKE_DISABLE_COMPILER_TESTS) - return() - endif() - - unset(CXX_TEST_PASSED CACHE) - unset(CXX_TEST_FAILED CACHE) - string(FIND "${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) - 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) - message("CXX Compiler test ${test_name} failed.") - endif() - elseif(NOT ${CXX_TEST_PASSED} EQUAL -1) - set(${result_var} 1 PARENT_SCOPE) - else() # ${CXX_TEST_FAILED} NOT EQUAL -1 - unset(${result_var} PARENT_SCOPE) - 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(). $result_var is set to 1 or 0 -# to allow direct usage of the value in generated source files. -function(aom_check_source_compiles test_name test_source result_var) - unset(C_PASSED) - unset(CXX_PASSED) - aom_check_c_compiles(${test_name} ${test_source} C_PASSED) - aom_check_cxx_compiles(${test_name} ${test_source} CXX_PASSED) - if(C_PASSED AND CXX_PASSED) - set(${result_var} 1 PARENT_SCOPE) - else() - set(${result_var} 0 PARENT_SCOPE) - endif() -endfunction() - -# When inline support is detected for the current compiler the supported -# inlining keyword is written to $result in caller scope. -function(aom_get_inline result) - aom_check_source_compiles("inline_check_1" - "static inline void function(void) {}" - HAVE_INLINE_1) - if(HAVE_INLINE_1 EQUAL 1) - set(${result} "inline" PARENT_SCOPE) - return() - endif() - - # Check __inline. - aom_check_source_compiles("inline_check_2" - "static __inline void function(void) {}" - HAVE_INLINE_2) - if(HAVE_INLINE_2 EQUAL 1) - set(${result} "__inline" PARENT_SCOPE) - endif() -endfunction() |