commit 98fdb657cec358410fd6b2db8d6faa3f08bccf48 Author: Cristian Adam Date: Sun Jul 9 22:51:53 2017 +0200 First commit diff --git a/CMakeChecksCache/CheckCCompilerFlag.cmake b/CMakeChecksCache/CheckCCompilerFlag.cmake new file mode 100644 index 0000000..ac9d22e --- /dev/null +++ b/CMakeChecksCache/CheckCCompilerFlag.cmake @@ -0,0 +1,69 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +# Include the content of CheckCCompilerFlag just not to have the original +# include(CheckCSourceCompiles) which has precedence, and which doesn't have +# a include guard, thus overriding my overriden version + +include(${CMAKE_CURRENT_LIST_DIR}/CheckCSourceCompiles.cmake) +include(CMakeCheckCompilerFlagCommonPatterns) + +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +macro (CHECK_C_COMPILER_FLAG_original _FLAG _RESULT) + set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}") + set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}") + + # Normalize locale during test compilation. + set(_CheckCCompilerFlag_LOCALE_VARS LC_ALL LC_MESSAGES LANG) + foreach(v ${_CheckCCompilerFlag_LOCALE_VARS}) + set(_CheckCCompilerFlag_SAVED_${v} "$ENV{${v}}") + set(ENV{${v}} C) + endforeach() + CHECK_COMPILER_FLAG_COMMON_PATTERNS(_CheckCCompilerFlag_COMMON_PATTERNS) + _check_c_source_compiles("int main(void) { return 0; }" ${_RESULT} + # Some compilers do not fail with a bad flag + FAIL_REGEX "command line option .* is valid for .* but not for C" # GNU + ${_CheckCCompilerFlag_COMMON_PATTERNS} + ) + foreach(v ${_CheckCCompilerFlag_LOCALE_VARS}) + set(ENV{${v}} ${_CheckCCompilerFlag_SAVED_${v}}) + unset(_CheckCCompilerFlag_SAVED_${v}) + endforeach() + unset(_CheckCCompilerFlag_LOCALE_VARS) + unset(_CheckCCompilerFlag_COMMON_PATTERNS) + + set (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}") +endmacro () + +macro(check_c_compiler_flag flag variable) + CHECK_C_COMPILER_FLAG_original("${flag}" ${variable}) + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Test ${flag}\")\n") +endmacro() diff --git a/CMakeChecksCache/CheckCSourceCompiles.cmake b/CMakeChecksCache/CheckCSourceCompiles.cmake new file mode 100644 index 0000000..06383f8 --- /dev/null +++ b/CMakeChecksCache/CheckCSourceCompiles.cmake @@ -0,0 +1,38 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +include(${CMAKE_ROOT}/Modules/CheckCSourceCompiles.cmake) +macro(check_c_source_compiles source variable) + if(NOT DEFINED "${VAR}") + _check_c_source_compiles("${source}" ${variable}) + else() + _check_c_source_compiles("${source}" ${variable} "${ARGN}") + endif() + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Test ${header}\")\n") +endmacro() diff --git a/CMakeChecksCache/CheckCXXCompilerFlag.cmake b/CMakeChecksCache/CheckCXXCompilerFlag.cmake new file mode 100644 index 0000000..bc8b800 --- /dev/null +++ b/CMakeChecksCache/CheckCXXCompilerFlag.cmake @@ -0,0 +1,69 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +# Include the content of CheckCXXCompilerFlag just not to have the original +# include(CheckCXXSourceCompiles) which has precedence, and which doesn't have +# a include guard, thus overriding my overriden version + +include(${CMAKE_CURRENT_LIST_DIR}/CheckCXXSourceCompiles.cmake) +include(CMakeCheckCompilerFlagCommonPatterns) + +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +macro (CHECK_CXX_COMPILER_FLAG_original _FLAG _RESULT) + set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}") + set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}") + + # Normalize locale during test compilation. + set(_CheckCXXCompilerFlag_LOCALE_VARS LC_ALL LC_MESSAGES LANG) + foreach(v ${_CheckCXXCompilerFlag_LOCALE_VARS}) + set(_CheckCXXCompilerFlag_SAVED_${v} "$ENV{${v}}") + set(ENV{${v}} C) + endforeach() + CHECK_COMPILER_FLAG_COMMON_PATTERNS(_CheckCXXCompilerFlag_COMMON_PATTERNS) + _check_cxx_source_compiles("int main() { return 0; }" ${_RESULT} + # Some compilers do not fail with a bad flag + FAIL_REGEX "command line option .* is valid for .* but not for C\\\\+\\\\+" # GNU + ${_CheckCXXCompilerFlag_COMMON_PATTERNS} + ) + foreach(v ${_CheckCXXCompilerFlag_LOCALE_VARS}) + set(ENV{${v}} ${_CheckCXXCompilerFlag_SAVED_${v}}) + unset(_CheckCXXCompilerFlag_SAVED_${v}) + endforeach() + unset(_CheckCXXCompilerFlag_LOCALE_VARS) + unset(_CheckCXXCompilerFlag_COMMON_PATTERNS) + + set (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}") +endmacro () + +macro(check_cxx_compiler_flag flag variable) + CHECK_CXX_COMPILER_FLAG_original("${flag}" ${variable}) + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Test ${flag}\")\n") +endmacro() diff --git a/CMakeChecksCache/CheckCXXSourceCompiles.cmake b/CMakeChecksCache/CheckCXXSourceCompiles.cmake new file mode 100644 index 0000000..2acac8d --- /dev/null +++ b/CMakeChecksCache/CheckCXXSourceCompiles.cmake @@ -0,0 +1,38 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +include(${CMAKE_ROOT}/Modules/CheckCXXSourceCompiles.cmake) +macro(check_cxx_source_compiles source variable) + if(NOT DEFINED "${VAR}") + _check_cxx_source_compiles("${source}" ${variable}) + else() + _check_cxx_source_compiles("${source}" ${variable} "${ARGN}") + endif() + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Test ${variable}\")\n") +endmacro() diff --git a/CMakeChecksCache/CheckFunctionExists.cmake b/CMakeChecksCache/CheckFunctionExists.cmake new file mode 100644 index 0000000..90dab39 --- /dev/null +++ b/CMakeChecksCache/CheckFunctionExists.cmake @@ -0,0 +1,34 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +include(${CMAKE_ROOT}/Modules/CheckFunctionExists.cmake) +macro(check_function_exists function variable) + _check_function_exists(${function} ${variable}) + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Have function ${function}\")\n") +endmacro() diff --git a/CMakeChecksCache/CheckIncludeFile.cmake b/CMakeChecksCache/CheckIncludeFile.cmake new file mode 100644 index 0000000..206bda4 --- /dev/null +++ b/CMakeChecksCache/CheckIncludeFile.cmake @@ -0,0 +1,34 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +include(${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake) +macro(check_include_file header variable) + _check_include_file(${header} ${variable}) + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Have include ${header}\")\n") +endmacro() diff --git a/CMakeChecksCache/CheckIncludeFileCXX.cmake b/CMakeChecksCache/CheckIncludeFileCXX.cmake new file mode 100644 index 0000000..e0707a8 --- /dev/null +++ b/CMakeChecksCache/CheckIncludeFileCXX.cmake @@ -0,0 +1,34 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +include(${CMAKE_ROOT}/Modules/CheckIncludeFileCXX.cmake) +macro(check_include_file_cxx header variable) + _check_include_file_cxx(${header} ${variable}) + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Have include ${header}\")\n") +endmacro() diff --git a/CMakeChecksCache/CheckLibraryExists.cmake b/CMakeChecksCache/CheckLibraryExists.cmake new file mode 100644 index 0000000..86bb68b --- /dev/null +++ b/CMakeChecksCache/CheckLibraryExists.cmake @@ -0,0 +1,34 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +include(${CMAKE_ROOT}/Modules/CheckLibraryExists.cmake) +macro(check_library_exists library function location variable) + _check_library_exists(${library} ${function} "${location}" ${variable}) + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Have library ${library}\")\n") +endmacro() diff --git a/CMakeChecksCache/CheckSymbolExists.cmake b/CMakeChecksCache/CheckSymbolExists.cmake new file mode 100644 index 0000000..8540055 --- /dev/null +++ b/CMakeChecksCache/CheckSymbolExists.cmake @@ -0,0 +1,111 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +# Found a bug in cmake, they already have a _check_symbol_exists implementation macro o_O +# include(${CMAKE_ROOT}/Modules/CheckSymbolExists.cmake) + +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +macro(official_check_symbol_exists SYMBOL FILES VARIABLE) + if(CMAKE_C_COMPILER_LOADED) + official_check_symbol_exists_impl("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckSymbolExists.c" "${SYMBOL}" "${FILES}" "${VARIABLE}" ) + elseif(CMAKE_CXX_COMPILER_LOADED) + official_check_symbol_exists_impl("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckSymbolExists.cxx" "${SYMBOL}" "${FILES}" "${VARIABLE}" ) + else() + message(FATAL_ERROR "CHECK_SYMBOL_EXISTS needs either C or CXX language enabled") + endif() +endmacro() + +macro(official_check_symbol_exists_impl SOURCEFILE SYMBOL FILES VARIABLE) + if(NOT DEFINED "${VARIABLE}" OR "x${${VARIABLE}}" STREQUAL "x${VARIABLE}") + set(CMAKE_CONFIGURABLE_FILE_CONTENT "/* */\n") + set(MACRO_CHECK_SYMBOL_EXISTS_FLAGS ${CMAKE_REQUIRED_FLAGS}) + if(CMAKE_REQUIRED_LIBRARIES) + set(CHECK_SYMBOL_EXISTS_LIBS + LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) + else() + set(CHECK_SYMBOL_EXISTS_LIBS) + endif() + if(CMAKE_REQUIRED_INCLUDES) + set(CMAKE_SYMBOL_EXISTS_INCLUDES + "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") + else() + set(CMAKE_SYMBOL_EXISTS_INCLUDES) + endif() + foreach(FILE ${FILES}) + string(APPEND CMAKE_CONFIGURABLE_FILE_CONTENT + "#include <${FILE}>\n") + endforeach() + string(APPEND CMAKE_CONFIGURABLE_FILE_CONTENT + "\nint main(int argc, char** argv)\n{\n (void)argv;\n#ifndef ${SYMBOL}\n return ((int*)(&${SYMBOL}))[argc];\n#else\n (void)argc;\n return 0;\n#endif\n}\n") + + configure_file("${CMAKE_ROOT}/Modules/CMakeConfigurableFile.in" + "${SOURCEFILE}" @ONLY) + + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Looking for ${SYMBOL}") + endif() + try_compile(${VARIABLE} + ${CMAKE_BINARY_DIR} + "${SOURCEFILE}" + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + ${CHECK_SYMBOL_EXISTS_LIBS} + CMAKE_FLAGS + -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_SYMBOL_EXISTS_FLAGS} + "${CMAKE_SYMBOL_EXISTS_INCLUDES}" + OUTPUT_VARIABLE OUTPUT) + if(${VARIABLE}) + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Looking for ${SYMBOL} - found") + endif() + set(${VARIABLE} 1 CACHE INTERNAL "Have symbol ${SYMBOL}") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Determining if the ${SYMBOL} " + "exist passed with the following output:\n" + "${OUTPUT}\nFile ${SOURCEFILE}:\n" + "${CMAKE_CONFIGURABLE_FILE_CONTENT}\n") + else() + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Looking for ${SYMBOL} - not found") + endif() + set(${VARIABLE} "" CACHE INTERNAL "Have symbol ${SYMBOL}") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Determining if the ${SYMBOL} " + "exist failed with the following output:\n" + "${OUTPUT}\nFile ${SOURCEFILE}:\n" + "${CMAKE_CONFIGURABLE_FILE_CONTENT}\n") + endif() + endif() +endmacro() + +macro(check_symbol_exists symbol header variable) + official_check_symbol_exists(${symbol} "${header}" ${variable}) + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"Have symbol ${symbol}\")\n") +endmacro() diff --git a/CMakeChecksCache/CheckTypeSize.cmake b/CMakeChecksCache/CheckTypeSize.cmake new file mode 100644 index 0000000..ee5af6b --- /dev/null +++ b/CMakeChecksCache/CheckTypeSize.cmake @@ -0,0 +1,34 @@ +# MIT License + +# Copyright (c) 2017 Cristian Adam + +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: + +# The above copyright notice and this permission notice shall be included in all +# copies or substantial portions of the Software. + +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +cmake_minimum_required(VERSION 3.4.3) + +set(cache_file ${CMAKE_CHECKS_CACHE_FILE}) +if(NOT cache_file) + set(cache_file ${CMAKE_BINARY_DIR}/cmake_checks_cache.txt) +endif() + +include(${CMAKE_ROOT}/Modules/CheckTypeSize.cmake) +macro(check_type_size type variable) + _check_type_size(${type} ${variable}) + file(APPEND ${cache_file} "set(${variable} \"${${variable}}\" CACHE INTERNAL \"CHECK_TYPE_SIZE: sizeof(${type})\")\n") +endmacro() diff --git a/CMakeChecksCache/FindThreads.cmake b/CMakeChecksCache/FindThreads.cmake new file mode 100644 index 0000000..020b98d --- /dev/null +++ b/CMakeChecksCache/FindThreads.cmake @@ -0,0 +1,224 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# FindThreads +# ----------- +# +# This module determines the thread library of the system. +# +# The following variables are set +# +# :: +# +# CMAKE_THREAD_LIBS_INIT - the thread library +# CMAKE_USE_SPROC_INIT - are we using sproc? +# CMAKE_USE_WIN32_THREADS_INIT - using WIN32 threads? +# CMAKE_USE_PTHREADS_INIT - are we using pthreads +# CMAKE_HP_PTHREADS_INIT - are we using hp pthreads +# +# The following import target is created +# +# :: +# +# Threads::Threads +# +# For systems with multiple thread libraries, caller can set +# +# :: +# +# CMAKE_THREAD_PREFER_PTHREAD +# +# If the use of the -pthread compiler and linker flag is preferred then the +# caller can set +# +# :: +# +# THREADS_PREFER_PTHREAD_FLAG +# +# Please note that the compiler flag can only be used with the imported +# target. Use of both the imported target as well as this switch is highly +# recommended for new code. + +include (CheckLibraryExists) +include (CheckSymbolExists) +set(Threads_FOUND FALSE) +set(CMAKE_REQUIRED_QUIET_SAVE ${CMAKE_REQUIRED_QUIET}) +set(CMAKE_REQUIRED_QUIET ${Threads_FIND_QUIETLY}) + +if(CMAKE_C_COMPILER_LOADED) + include (CheckIncludeFile) +elseif(CMAKE_CXX_COMPILER_LOADED) + include (CheckIncludeFileCXX) +else() + message(FATAL_ERROR "FindThreads only works if either C or CXX language is enabled") +endif() + +# Do we have sproc? +if(CMAKE_SYSTEM_NAME MATCHES IRIX AND NOT CMAKE_THREAD_PREFER_PTHREAD) + include (CheckIncludeFiles) + CHECK_INCLUDE_FILES("sys/types.h;sys/prctl.h" CMAKE_HAVE_SPROC_H) +endif() + +# Internal helper macro. +# Do NOT even think about using it outside of this file! +macro(_check_threads_lib LIBNAME FUNCNAME VARNAME) + if(NOT Threads_FOUND) + CHECK_LIBRARY_EXISTS(${LIBNAME} ${FUNCNAME} "" ${VARNAME}) + if(${VARNAME}) + set(CMAKE_THREAD_LIBS_INIT "-l${LIBNAME}") + set(CMAKE_HAVE_THREADS_LIBRARY 1) + set(Threads_FOUND TRUE) + endif() + endif () +endmacro() + +# Internal helper macro. +# Do NOT even think about using it outside of this file! +macro(_check_pthreads_flag) + if(NOT Threads_FOUND) + # If we did not found -lpthread, -lpthread, or -lthread, look for -pthread + if(NOT DEFINED THREADS_HAVE_PTHREAD_ARG) + message(STATUS "Check if compiler accepts -pthread") + if(CMAKE_C_COMPILER_LOADED) + set(_threads_src ${CMAKE_CURRENT_LIST_DIR}/CheckForPthreads.c) + elseif(CMAKE_CXX_COMPILER_LOADED) + set(_threads_src ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/FindThreads/CheckForPthreads.cxx) + configure_file(${CMAKE_CURRENT_LIST_DIR}/CheckForPthreads.c "${_threads_src}" COPYONLY) + endif() + try_run(THREADS_PTHREAD_ARG THREADS_HAVE_PTHREAD_ARG + ${CMAKE_BINARY_DIR} + ${_threads_src} + CMAKE_FLAGS -DLINK_LIBRARIES:STRING=-pthread + COMPILE_OUTPUT_VARIABLE OUTPUT) + unset(_threads_src) + + if(THREADS_HAVE_PTHREAD_ARG) + if(THREADS_PTHREAD_ARG STREQUAL "2") + set(Threads_FOUND TRUE) + message(STATUS "Check if compiler accepts -pthread - yes") + else() + message(STATUS "Check if compiler accepts -pthread - no") + file(APPEND + ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Determining if compiler accepts -pthread returned ${THREADS_PTHREAD_ARG} instead of 2. The compiler had the following output:\n${OUTPUT}\n\n") + endif() + else() + message(STATUS "Check if compiler accepts -pthread - no") + file(APPEND + ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Determining if compiler accepts -pthread failed with the following output:\n${OUTPUT}\n\n") + endif() + + endif() + + if(THREADS_HAVE_PTHREAD_ARG) + set(Threads_FOUND TRUE) + set(CMAKE_THREAD_LIBS_INIT "-pthread") + endif() + endif() +endmacro() + +if(CMAKE_HAVE_SPROC_H AND NOT CMAKE_THREAD_PREFER_PTHREAD) + # We have sproc + set(CMAKE_USE_SPROC_INIT 1) +else() + # Do we have pthreads? + if(CMAKE_C_COMPILER_LOADED) + CHECK_INCLUDE_FILE("pthread.h" CMAKE_HAVE_PTHREAD_H) + else() + CHECK_INCLUDE_FILE_CXX("pthread.h" CMAKE_HAVE_PTHREAD_H) + endif() + if(CMAKE_HAVE_PTHREAD_H) + + # + # We have pthread.h + # Let's check for the library now. + # + set(CMAKE_HAVE_THREADS_LIBRARY) + if(NOT THREADS_HAVE_PTHREAD_ARG) + # Check if pthread functions are in normal C library + CHECK_SYMBOL_EXISTS(pthread_create pthread.h CMAKE_HAVE_LIBC_CREATE) + if(CMAKE_HAVE_LIBC_CREATE) + set(CMAKE_THREAD_LIBS_INIT "") + set(CMAKE_HAVE_THREADS_LIBRARY 1) + set(Threads_FOUND TRUE) + else() + + # Check for -pthread first if enabled. This is the recommended + # way, but not backwards compatible as one must also pass -pthread + # as compiler flag then. + if (THREADS_PREFER_PTHREAD_FLAG) + _check_pthreads_flag() + endif () + + _check_threads_lib(pthreads pthread_create CMAKE_HAVE_PTHREADS_CREATE) + _check_threads_lib(pthread pthread_create CMAKE_HAVE_PTHREAD_CREATE) + if(CMAKE_SYSTEM_NAME MATCHES "SunOS") + # On sun also check for -lthread + _check_threads_lib(thread thr_create CMAKE_HAVE_THR_CREATE) + endif() + endif() + endif() + + _check_pthreads_flag() + endif() +endif() + +if(CMAKE_THREAD_LIBS_INIT OR CMAKE_HAVE_LIBC_CREATE) + set(CMAKE_USE_PTHREADS_INIT 1) + set(Threads_FOUND TRUE) +endif() + +if(CMAKE_SYSTEM_NAME MATCHES "Windows") + set(CMAKE_USE_WIN32_THREADS_INIT 1) + set(Threads_FOUND TRUE) +endif() + +if(CMAKE_USE_PTHREADS_INIT) + if(CMAKE_SYSTEM_NAME MATCHES "HP-UX") + # Use libcma if it exists and can be used. It provides more + # symbols than the plain pthread library. CMA threads + # have actually been deprecated: + # http://docs.hp.com/en/B3920-90091/ch12s03.html#d0e11395 + # http://docs.hp.com/en/947/d8.html + # but we need to maintain compatibility here. + # The CMAKE_HP_PTHREADS setting actually indicates whether CMA threads + # are available. + CHECK_LIBRARY_EXISTS(cma pthread_attr_create "" CMAKE_HAVE_HP_CMA) + if(CMAKE_HAVE_HP_CMA) + set(CMAKE_THREAD_LIBS_INIT "-lcma") + set(CMAKE_HP_PTHREADS_INIT 1) + set(Threads_FOUND TRUE) + endif() + set(CMAKE_USE_PTHREADS_INIT 1) + endif() + + if(CMAKE_SYSTEM MATCHES "OSF1-V") + set(CMAKE_USE_PTHREADS_INIT 0) + set(CMAKE_THREAD_LIBS_INIT ) + endif() + + if(CMAKE_SYSTEM MATCHES "CYGWIN_NT") + set(CMAKE_USE_PTHREADS_INIT 1) + set(Threads_FOUND TRUE) + set(CMAKE_THREAD_LIBS_INIT ) + set(CMAKE_USE_WIN32_THREADS_INIT 0) + endif() +endif() + +set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE}) +include(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(Threads DEFAULT_MSG Threads_FOUND) + +if(THREADS_FOUND AND NOT TARGET Threads::Threads) + add_library(Threads::Threads INTERFACE IMPORTED) + + if(THREADS_HAVE_PTHREAD_ARG) + set_property(TARGET Threads::Threads PROPERTY INTERFACE_COMPILE_OPTIONS "-pthread") + endif() + + if(CMAKE_THREAD_LIBS_INIT) + set_property(TARGET Threads::Threads PROPERTY INTERFACE_LINK_LIBRARIES "${CMAKE_THREAD_LIBS_INIT}") + endif() +endif() diff --git a/README.md b/README.md new file mode 100644 index 0000000..68df98e --- /dev/null +++ b/README.md @@ -0,0 +1 @@ +# cmake-checks-cache \ No newline at end of file