diff options
Diffstat (limited to 'third_party/aom/build/cmake/util.cmake')
-rw-r--r-- | third_party/aom/build/cmake/util.cmake | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/third_party/aom/build/cmake/util.cmake b/third_party/aom/build/cmake/util.cmake deleted file mode 100644 index b70ec4013..000000000 --- a/third_party/aom/build/cmake/util.cmake +++ /dev/null @@ -1,171 +0,0 @@ -# -# Copyright (c) 2017, 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_UTIL_CMAKE_) - return() -endif() # AOM_BUILD_CMAKE_UTIL_CMAKE_ -set(AOM_BUILD_CMAKE_UTIL_CMAKE_ 1) - -# Directory where generated sources will be written. -set(AOM_GEN_SRC_DIR "${AOM_CONFIG_DIR}/gen_src") - -# Creates dummy source file in $AOM_CONFIG_DIR named $basename.$extension and -# returns the full path to the dummy source file via the $out_file_path -# parameter. -macro(create_dummy_source_file basename extension out_file_path) - set(dummy_source_file "${AOM_GEN_SRC_DIR}/${basename}_dummy.${extension}") - file( - WRITE - "${dummy_source_file}" "// Generated file. DO NOT EDIT!\n" - "// ${target_name} needs a ${extension} file to force link language, \n" - "// or to silence a harmless CMake warning: Ignore me.\n" - "void ${target_name}_dummy_function(void) {}\n") -endmacro() - -# Convenience function for adding a dummy source file to $target_name using -# $extension as the file extension. Wraps create_dummy_source_file(). -function(add_dummy_source_file_to_target target_name extension) - create_dummy_source_file("${target_name}" "${extension}" "dummy_source_file") - target_sources(${target_name} PRIVATE ${dummy_source_file}) -endfunction() - -# Sets the value of the variable referenced by $feature to $value, and reports -# the change to the user via call to message(WARNING ...). $cause is expected to -# be a configuration variable that conflicts with $feature in some way. This -# function is a noop if $feature is already set to $value. -function(change_config_and_warn feature value cause) - if(${feature} EQUAL ${value}) - return() - endif() - set(${feature} ${value} PARENT_SCOPE) - if(${value} EQUAL 1) - set(verb "Enabled") - set(reason "required for") - else() - set(verb "Disabled") - set(reason "incompatible with") - endif() - set(warning_message "${verb} ${feature}, ${reason} ${cause}.") - message(WARNING "--- ${warning_message}") -endfunction() - -# Extracts the version string from $version_file and returns it to the user via -# $version_string_out_var. To achieve this VERSION_STRING_NOSP is located in -# $version_file and then everything but the string literal assigned to the -# variable is removed. Quotes and the leading 'v' are stripped from the returned -# string. -function(extract_version_string version_file version_string_out_var) - file(STRINGS "${version_file}" aom_version REGEX "VERSION_STRING_NOSP") - string(REPLACE "#define VERSION_STRING_NOSP " "" aom_version "${aom_version}") - string(REPLACE "\"" "" aom_version "${aom_version}") - string(REPLACE " " "" aom_version "${aom_version}") - string(FIND "${aom_version}" "v" v_pos) - if(${v_pos} EQUAL 0) - string(SUBSTRING "${aom_version}" 1 -1 aom_version) - endif() - set("${version_string_out_var}" "${aom_version}" PARENT_SCOPE) -endfunction() - -# Sets CMake compiler launcher to $launcher_name when $launcher_name is found in -# $PATH. Warns user about ignoring build flag $launcher_flag when $launcher_name -# is not found in $PATH. -function(set_compiler_launcher launcher_flag launcher_name) - find_program(launcher_path "${launcher_name}") - if(launcher_path) - set(CMAKE_C_COMPILER_LAUNCHER "${launcher_path}" PARENT_SCOPE) - set(CMAKE_CXX_COMPILER_LAUNCHER "${launcher_path}" PARENT_SCOPE) - message("--- Using ${launcher_name} as compiler launcher.") - else() - message(WARNING - "--- Cannot find ${launcher_name}, ${launcher_flag} ignored.") - endif() -endfunction() - -# Sentinel value used to detect when a variable has been set via the -D argument -# passed to CMake on the command line. -set(cmake_cmdline_helpstring "No help, variable specified on the command line.") - -# Wrapper macro for set() that does some book keeping to help with storage of -# build configuration information. -# -# Sets the default value for variable $name when the value of $name has not -# already been set via the CMake command line. -# -# The names of variables defaulted through this macro are added to -# $AOM_CONFIG_VARS to facilitate build logging and diagnostics. -macro(set_aom_detect_var name value type helpstring) - unset(list_index) - list(FIND AOM_DETECT_VARS ${name} list_index) - if(${list_index} EQUAL -1) - list(APPEND AOM_DETECT_VARS ${name}) - endif() - - # Update the variable only when it does not carry the CMake assigned help - # string for variables specified via the command line. - unset(cache_helpstring) - get_property(cache_helpstring CACHE ${name} PROPERTY HELPSTRING) - if(NOT "${cache_helpstring}" STREQUAL "${cmake_cmdline_helpstring}") - set(${name} ${value} CACHE ${type} "${helpstring}") - mark_as_advanced(${name}) - else() - message( - WARNING - "${name} has been set by CMake, but it may be overridden by the build " - "system during environment detection") - endif() -endmacro() - -# Wrapper macro for set() that does some book keeping to help with storage of -# build configuration information. -# -# Sets the default value for variable $name when the value of $name has not -# already been set via the CMake command line. -# -# The names of variables defaulted through this macro are added to -# $AOM_CONFIG_VARS to facilitate build logging and diagnostics. -macro(set_aom_config_var name value type helpstring) - unset(list_index) - list(FIND AOM_CONFIG_VARS ${name} list_index) - if(${list_index} EQUAL -1) - list(APPEND AOM_CONFIG_VARS ${name}) - endif() - - # Update the variable only when it does not carry the CMake assigned help - # string for variables specified via the command line. - unset(cache_helpstring) - get_property(cache_helpstring CACHE ${name} PROPERTY HELPSTRING) - if(NOT "${cache_helpstring}" STREQUAL "${cmake_cmdline_helpstring}") - set(${name} ${value} CACHE ${type} "${helpstring}") - endif() -endmacro() - -# Wrapper macro for option() that does some book keeping to help with storage of -# build configuration information. -# -# Sets the default value for variable $name when the value of $name has not -# already been set via the CMake command line. -# -# The names of variables defaulted through this macro are added to -# $AOM_OPTION_VARS to facilitate build logging and diagnostics. -macro(set_aom_option_var name helpstring value) - unset(list_index) - list(FIND AOM_OPTION_VARS ${name} list_index) - if(${list_index} EQUAL -1) - list(APPEND AOM_OPTION_VARS ${name}) - endif() - - # Update the variable only when it does not carry the CMake assigned help - # string for variables specified via the command line. - unset(cache_helpstring) - get_property(cache_helpstring CACHE ${name} PROPERTY HELPSTRING) - if(NOT "${cache_helpstring}" STREQUAL "${cmake_cmdline_helpstring}") - option(${name} "${helpstring}" ${value}) - endif() -endmacro() |