Timo Röhling
3 years ago
parent
eefde565b0
commit
550d0a8e15
@ -1,7 +1,6 @@
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CMAKE_CACHEFILE_DIR
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CMAKE_CACHEFILE_DIR
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-------------------
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-------------------
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The directory with the ``CMakeCache.txt`` file.
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This variable is used internally by CMake, and may not be set during
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the first configuration of a build tree. When it is set, it has the
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This is the full path to the directory that has the ``CMakeCache.txt``
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same value as :variable:`CMAKE_BINARY_DIR`. Use that variable instead.
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file in it. This is the same as :variable:`CMAKE_BINARY_DIR`.
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@ -0,0 +1,69 @@
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# Do NOT include this module directly into any of your code. It is used by
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# the try_compile() implementation to work around a specific issue with
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# conflicting flags when building for Apple platforms.
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if(NOT APPLE)
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return()
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endif()
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cmake_policy(PUSH)
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cmake_policy(SET CMP0054 NEW) # if() quoted variables not dereferenced
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function(__cmake_internal_workaround_headerpad_flag_conflict _LANG)
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# Until we can avoid hard-coding -Wl,-headerpad_max_install_names in the
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# linker flags, we need to remove it here for cases where we know it will
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# conflict with other flags, generate a warning and be ignored.
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set(regex "(^| )(-fembed-bitcode(-marker|=(all|bitcode|marker))?|-bundle_bitcode)($| )")
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set(remove_headerpad NO)
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# Check arbitrary flags that the user or project has set. These compiler
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# flags get added to the linker command line.
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if("${CMAKE_${_LANG}_FLAGS}" MATCHES "${regex}")
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set(remove_headerpad YES)
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endif()
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if(NOT remove_headerpad)
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get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
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if(is_multi_config)
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# Only one of these config-specific variables will be set by try_compile()
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# and the rest will be unset, but we can't easily tell which one is set.
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# No harm to just add them all here, empty ones won't add flags to check.
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foreach(config IN LISTS CMAKE_CONFIGURATION_TYPES)
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if("${CMAKE_${_LANG}_FLAGS_${config}}" MATCHES "${regex}")
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set(remove_headerpad YES)
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break()
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endif()
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endforeach()
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else()
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if("${CMAKE_${_LANG}_FLAGS_${CMAKE_BUILD_TYPE}}" MATCHES "${regex}")
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set(remove_headerpad YES)
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endif()
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endif()
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endif()
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# The try_compile() command passes compiler flags to check in a way that
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# results in them being added to add_definitions(). Those don't end up on
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# the linker command line, so we don't need to check them here.
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if(remove_headerpad)
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foreach(flag IN ITEMS
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CMAKE_${_LANG}_LINK_FLAGS
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CMAKE_SHARED_LIBRARY_CREATE_${_LANG}_FLAGS
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CMAKE_SHARED_MODULE_CREATE_${_LANG}_FLAGS)
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string(REPLACE "-Wl,-headerpad_max_install_names" "" ${flag} "${${flag}}")
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set(${flag} "${${flag}}" PARENT_SCOPE)
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endforeach()
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endif()
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endfunction()
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get_property(__enabled_languages GLOBAL PROPERTY ENABLED_LANGUAGES)
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foreach(__lang IN LISTS __enabled_languages)
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__cmake_internal_workaround_headerpad_flag_conflict(${__lang})
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endforeach()
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unset(__lang)
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unset(__enabled_languages)
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cmake_policy(POP)
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@ -0,0 +1,7 @@
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^Not searching for unused variables given on the command line\.
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Available configure presets:
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"zzzzzz" - Sleepy
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"aaaaaaaa" - Screaming
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"mmmmmm"
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"no-generator"$
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enable_language(C)
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include(CheckCompilerFlag)
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# Confirm we can check the conflicting flag directly. This should pass with
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# or without the workaround.
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check_compiler_flag(C "-fembed-bitcode" result1)
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if(NOT result1)
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message(FATAL_ERROR "False negative when -fembed-bitcode tested directly")
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endif()
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# Check conflicting flag set by user or project won't cause a false negative
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# when testing a valid flag. This only passes with the workaround.
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set(CMAKE_C_FLAGS -fembed-bitcode)
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check_compiler_flag(C "-O" result2)
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if(NOT result2)
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message(FATAL_ERROR "False negative when -fembed-bitcode set in CMAKE_C_FLAGS")
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endif()
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cmake_minimum_required(VERSION 3.16)
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project(PchIncludedAllLanguages C CXX)
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if(CMAKE_CXX_COMPILE_OPTIONS_USE_PCH)
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add_definitions(-DHAVE_PCH_SUPPORT)
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endif()
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add_executable(main
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main.cpp
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empty.c
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pch-included.cpp
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)
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target_precompile_headers(main PRIVATE $<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/pch.h>)
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enable_testing()
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add_test(NAME main COMMAND main)
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^CMake Error at FileSetFramework\.cmake:[0-9]+ \(target_sources\):
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target_sources FILE_SETs may not be added to FRAMEWORK targets
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Call Stack \(most recent call first\):
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CMakeLists\.txt:[0-9]+ \(include\)$
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enable_language(C)
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add_library(lib1 SHARED lib1.c)
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set_property(TARGET lib1 PROPERTY FRAMEWORK ON)
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target_sources(lib1
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PUBLIC FILE_SET HEADERS BASE_DIRS ${CMAKE_CURRENT_SOURCE_DIR} FILES h1.h
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)
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@ -1,4 +0,0 @@
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^CMake Error at FileSetNoExistInterface\.cmake:[0-9]+ \(set_property\):
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Header set "a" has not yet been created\.
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Call Stack \(most recent call first\):
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CMakeLists\.txt:[0-9]+ \(include\)$
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@ -1,4 +0,0 @@
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^CMake Error at FileSetNoExistPrivate\.cmake:[0-9]+ \(set_property\):
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Header set "a" has not yet been created\.
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Call Stack \(most recent call first\):
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CMakeLists\.txt:[0-9]+ \(include\)$
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@ -1,7 +0,0 @@
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enable_language(C)
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add_library(lib1 STATIC empty.c)
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set_property(TARGET lib1 PROPERTY HEADER_SETS "a")
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# Error happens at configure-time, so this doesn't help.
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target_sources(lib1 PRIVATE FILE_SET a TYPE HEADERS)
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^CMake Error at FileSetNoScope\.cmake:[0-9]+ \(target_sources\):
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target_sources File set "a" is not in HEADER_SETS or INTERFACE_HEADER_SETS
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Call Stack \(most recent call first\):
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CMakeLists\.txt:[0-9]+ \(include\)$
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@ -1,6 +0,0 @@
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enable_language(C)
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add_library(lib1 STATIC empty.c)
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target_sources(lib1 PRIVATE FILE_SET a TYPE HEADERS BASE_DIRS ${CMAKE_CURRENT_SOURCE_DIR} FILES h1.h)
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set_property(TARGET lib1 PROPERTY HEADER_SETS)
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target_sources(lib1 PRIVATE FILE_SET a TYPE HEADERS FILES h2.h)
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@ -0,0 +1,5 @@
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^CMake Error at FileSetReadOnlyInterface\.cmake:[0-9]+ \(set_property\):
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INTERFACE_HEADER_SETS property is read-only
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Call Stack \(most recent call first\):
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CMakeLists\.txt:[0-9]+ \(include\)$
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^CMake Error at FileSetReadOnlyPrivate\.cmake:[0-9]+ \(set_property\):
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HEADER_SETS property is read-only
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Call Stack \(most recent call first\):
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CMakeLists\.txt:[0-9]+ \(include\)$
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@ -0,0 +1,4 @@
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enable_language(C)
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add_library(lib1 STATIC empty.c)
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set_property(TARGET lib1 PROPERTY HEADER_SETS "a")
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