cmake: replace LFS check with scripts from wireshark
Testing on 32bit arm have weird issues where the build failed if run/continued without configuring again. With these scripts we also require less files, no .c files in cmake/. One downside is that we now require at least Visual Studio 2005 (MSVCR80) for compiling on windows (and there's no check for this currently).size_check
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# CMake support for fseeko
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#
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# Based on FindLFS.cmake by
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# Copyright (C) 2016 Julian Andres Klode <jak@debian.org>.
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# This defines the following variables
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#
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# FSEEKO_DEFINITIONS - List of definitions to pass to add_definitions()
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# FSEEKO_COMPILE_OPTIONS - List of definitions to pass to add_compile_options()
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# FSEEKO_LIBRARIES - List of libraries and linker flags
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# FSEEKO_FOUND - If there is Large files support
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#
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include(CheckCSourceCompiles)
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include(FindPackageHandleStandardArgs)
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include(CMakePushCheckState)
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# Check for the availability of fseeko()
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# The cases handled are:
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#
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# * Native fseeko()
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# * Preprocessor flag -D_LARGEFILE_SOURCE
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#
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function(_fseeko_check)
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set(_fseeko_cppflags)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_QUIET 1)
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set(CMAKE_REQUIRED_DEFINITIONS ${LFS_DEFINITIONS})
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message(STATUS "Looking for native fseeko support")
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check_symbol_exists(fseeko stdio.h fseeko_native)
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cmake_pop_check_state()
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if (fseeko_native)
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message(STATUS "Looking for native fseeko support - found")
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set(FSEEKO_FOUND TRUE)
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else()
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message(STATUS "Looking for native fseeko support - not found")
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endif()
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if (NOT FSEEKO_FOUND)
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# See if it's available with _LARGEFILE_SOURCE.
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cmake_push_check_state()
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set(CMAKE_REQUIRED_QUIET 1)
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set(CMAKE_REQUIRED_DEFINITIONS ${LFS_DEFINITIONS} "-D_LARGEFILE_SOURCE")
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check_symbol_exists(fseeko stdio.h fseeko_need_largefile_source)
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cmake_pop_check_state()
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if (fseeko_need_largefile_source)
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message(STATUS "Looking for fseeko support with _LARGEFILE_SOURCE - found")
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set(FSEEKO_FOUND TRUE)
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set(_fseeko_cppflags "-D_LARGEFILE_SOURCE")
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else()
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message(STATUS "Looking for fseeko support with _LARGEFILE_SOURCE - not found")
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endif()
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endif()
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set(FSEEKO_DEFINITIONS ${_fseeko_cppflags} CACHE STRING "Extra definitions for fseeko support")
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set(FSEEKO_COMPILE_OPTIONS "" CACHE STRING "Extra compiler options for fseeko support")
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set(FSEEKO_LIBRARIES "" CACHE STRING "Extra definitions for fseeko support")
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set(FSEEKO_FOUND ${FSEEKO_FOUND} CACHE INTERNAL "Found fseeko")
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endfunction()
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if (NOT FSEEKO_FOUND)
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_fseeko_check()
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endif()
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find_package_handle_standard_args(FSEEKO "Could not find fseeko. Set FSEEKO_DEFINITIONS, FSEEKO_COMPILE_OPTIONS, FSEEKO_LIBRARIES." FSEEKO_FOUND)
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@ -0,0 +1,153 @@
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# CMake support for large files
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#
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# Copyright (C) 2016 Julian Andres Klode <jak@debian.org>.
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# This defines the following variables
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#
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# LFS_DEFINITIONS - List of definitions to pass to add_definitions()
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# LFS_COMPILE_OPTIONS - List of definitions to pass to add_compile_options()
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# LFS_LIBRARIES - List of libraries and linker flags
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# LFS_FOUND - If there is Large files support
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#
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include(CheckCSourceCompiles)
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include(FindPackageHandleStandardArgs)
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include(CMakePushCheckState)
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# Test program to check for LFS. Requires that off_t has at least 8 byte large
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set(_lfs_test_source
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"
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#include <sys/types.h>
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typedef char my_static_assert[sizeof(off_t) >= 8 ? 1 : -1];
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int main(void) { return 0; }
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"
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)
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# Check if the given options are needed
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#
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# This appends to the variables _lfs_cppflags, _lfs_cflags, and _lfs_ldflags,
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# it also sets LFS_FOUND to 1 if it works.
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function(_lfs_check_compiler_option var options definitions libraries)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_QUIET 1)
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set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS} ${options})
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set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} ${definitions})
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_DEFINITIONS} ${libraries})
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message(STATUS "Looking for LFS support using ${options} ${definitions} ${libraries}")
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check_c_source_compiles("${_lfs_test_source}" ${var})
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cmake_pop_check_state()
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if(${var})
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message(STATUS "Looking for LFS support using ${options} ${definitions} ${libraries} - found")
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set(_lfs_cppflags ${_lfs_cppflags} ${definitions} PARENT_SCOPE)
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set(_lfs_cflags ${_lfs_cflags} ${options} PARENT_SCOPE)
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set(_lfs_ldflags ${_lfs_ldflags} ${libraries} PARENT_SCOPE)
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set(LFS_FOUND TRUE PARENT_SCOPE)
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else()
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message(STATUS "Looking for LFS support using ${options} ${definitions} ${libraries} - not found")
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endif()
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endfunction()
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# Check for the availability of LFS.
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# The cases handled are:
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#
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# * Native LFS
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# * Output of getconf LFS_CFLAGS; getconf LFS_LIBS; getconf LFS_LDFLAGS
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# * Preprocessor flag -D_FILE_OFFSET_BITS=64
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# * Preprocessor flag -D_LARGE_FILES
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#
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function(_lfs_check)
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set(_lfs_cflags)
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set(_lfs_cppflags)
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set(_lfs_ldflags)
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set(_lfs_libs)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_QUIET 1)
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message(STATUS "Looking for native LFS support")
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check_c_source_compiles("${_lfs_test_source}" lfs_native)
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cmake_pop_check_state()
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if (lfs_native)
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message(STATUS "Looking for native LFS support - found")
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set(LFS_FOUND TRUE)
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else()
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message(STATUS "Looking for native LFS support - not found")
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endif()
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if (NOT LFS_FOUND)
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# Check using getconf. If getconf fails, don't worry, the check in
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# _lfs_check_compiler_option will fail as well.
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execute_process(COMMAND getconf LFS_CFLAGS
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OUTPUT_VARIABLE _lfs_cflags_raw
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET)
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execute_process(COMMAND getconf LFS_LIBS
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OUTPUT_VARIABLE _lfs_libs_tmp
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET)
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execute_process(COMMAND getconf LFS_LDFLAGS
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OUTPUT_VARIABLE _lfs_ldflags_tmp
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET)
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separate_arguments(_lfs_cflags_raw)
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separate_arguments(_lfs_ldflags_tmp)
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separate_arguments(_lfs_libs_tmp)
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# Move -D flags to the place they are supposed to be
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foreach(flag ${_lfs_cflags_raw})
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if (flag MATCHES "-D.*")
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list(APPEND _lfs_cppflags_tmp ${flag})
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else()
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list(APPEND _lfs_cflags_tmp ${flag})
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endif()
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endforeach()
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# Check if the flags we received (if any) produce working LFS support
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_lfs_check_compiler_option(lfs_getconf_works
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"${_lfs_cflags_tmp}"
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"${_lfs_cppflags_tmp}"
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"${_lfs_libs_tmp};${_lfs_ldflags_tmp}")
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endif()
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if(NOT LFS_FOUND) # IRIX stuff
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_lfs_check_compiler_option(lfs_need_n32 "-n32" "" "")
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endif()
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if(NOT LFS_FOUND) # Linux and friends
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_lfs_check_compiler_option(lfs_need_file_offset_bits "" "-D_FILE_OFFSET_BITS=64" "")
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endif()
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if(NOT LFS_FOUND) # AIX
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_lfs_check_compiler_option(lfs_need_large_files "" "-D_LARGE_FILES=1" "")
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endif()
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set(LFS_DEFINITIONS ${_lfs_cppflags} CACHE STRING "Extra definitions for large file support")
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set(LFS_COMPILE_OPTIONS ${_lfs_cflags} CACHE STRING "Extra definitions for large file support")
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set(LFS_LIBRARIES ${_lfs_libs} ${_lfs_ldflags} CACHE STRING "Extra definitions for large file support")
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set(LFS_FOUND ${LFS_FOUND} CACHE INTERNAL "Found LFS")
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endfunction()
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if (NOT LFS_FOUND)
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_lfs_check()
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endif()
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find_package_handle_standard_args(LFS "Could not find LFS. Set LFS_DEFINITIONS, LFS_COMPILE_OPTIONS, LFS_LIBRARIES." LFS_FOUND)
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@ -1,15 +0,0 @@
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
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#define VALID_ARRAY_LENGTH 1
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#define INVALID_ARRAY_LENGTH -1
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int main(int argc, const char **argv)
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{
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int a[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? VALID_ARRAY_LENGTH : INVALID_ARRAY_LENGTH];
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off_t offset = ftello(NULL);
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fseeko(NULL, offset, SEEK_SET);
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return 0;
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}
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@ -1,107 +0,0 @@
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macro(test_large_files VARIABLE USE_64_SUFFIX)
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if(NOT DEFINED ${VARIABLE})
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message(STATUS "Checking if large (64-bit) file support is available...")
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if(USE_64_SUFFIX)
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set(SUFFIX_64 "64")
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else(USE_64_SUFFIX)
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set(SUFFIX_64 "")
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endif(USE_64_SUFFIX)
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# First try without any macros defined
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try_compile(LARGE_FILES_SUPPORTED "${CMAKE_BINARY_DIR}"
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"${CMAKE_MODULE_PATH}/LargeFiles${SUFFIX_64}.c"
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OUTPUT_VARIABLE TRY_LARGE_FILES_OUTPUT)
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if(VERBOSE_LARGE_FILES)
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message(STATUS "Large file output (no special flags):\n${TRY_LARGE_FILES_OUTPUT}")
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endif(VERBOSE_LARGE_FILES)
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if(NOT LARGE_FILES_SUPPORTED)
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# Try with C macro _FILE_OFFSET_BITS=64
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try_compile(LARGE_FILES_SUPPORTED "${CMAKE_BINARY_DIR}"
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"${CMAKE_MODULE_PATH}/LargeFiles${SUFFIX_64}.c"
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COMPILE_DEFINITIONS "-D_FILE_OFFSET_BITS=64"
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OUTPUT_VARIABLE TRY_LARGE_FILES_OUTPUT)
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if(VERBOSE_LARGE_FILES)
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message(STATUS "Large file output (_FILE_OFFSET_BITS=64):\n${TRY_LARGE_FILES_OUTPUT}")
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endif(VERBOSE_LARGE_FILES)
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if(LARGE_FILES_SUPPORTED)
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set(_FILE_OFFSET_BITS=64 CACHE INTERNAL "C macro _FILE_OFFSET_BITS=64 is required for 64-bit file support")
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endif(LARGE_FILES_SUPPORTED)
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endif(NOT LARGE_FILES_SUPPORTED)
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if(NOT LARGE_FILES_SUPPORTED)
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# Try with C macro _LARGEFILE_SOURCE
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try_compile(LARGE_FILES_SUPPORTED "${CMAKE_BINARY_DIR}"
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"${CMAKE_MODULE_PATH}/LargeFiles${SUFFIX_64}.c"
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COMPILE_DEFINITIONS "-D_LARGEFILE${SUFFIX_64}_SOURCE"
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OUTPUT_VARIABLE TRY_LARGE_FILES_OUTPUT)
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if(VERBOSE_LARGE_FILES)
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message(STATUS "Large file output (_LARGEFILE${SUFFIX_64}_SOURCE):\n${TRY_LARGE_FILES_OUTPUT}")
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endif(VERBOSE_LARGE_FILES)
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if(LARGE_FILES_SUPPORTED)
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set(_LARGEFILE${SUFFIX_64}_SOURCE=1 CACHE INTERNAL "C macro _LARGEFILE${SUFFIX_64}_SOURCE is required for 64-bit file support")
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endif(LARGE_FILES_SUPPORTED)
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endif(NOT LARGE_FILES_SUPPORTED)
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if(NOT LARGE_FILES_SUPPORTED)
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# Try with both C macro _FILE_OFFSET_BITS=64 and _LARGEFILE_SOURCE
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try_compile(LARGE_FILES_SUPPORTED "${CMAKE_BINARY_DIR}"
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"${CMAKE_MODULE_PATH}/LargeFiles${SUFFIX_64}.c"
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COMPILE_DEFINITIONS "-D_FILE_OFFSET_BITS=64" "-D_LARGEFILE${SUFFIX_64}_SOURCE"
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OUTPUT_VARIABLE TRY_LARGE_FILES_OUTPUT)
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if(VERBOSE_LARGE_FILES)
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message(STATUS "Large file output (_FILE_OFFSET_BITS=64 and _LARGEFILE${SUFFIX_64}_SOURCE):\n${TRY_LARGE_FILES_OUTPUT}")
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endif(VERBOSE_LARGE_FILES)
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if(LARGE_FILES_SUPPORTED)
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set(_FILE_OFFSET_BITS=64 CACHE INTERNAL "C macro _FILE_OFFSET_BITS=64 is required for 64-bit file support")
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set(_LARGEFILE${SUFFIX_64}_SOURCE=1 CACHE INTERNAL "C macro _LARGEFILE${SUFFIX_64}_SOURCE is required for 64-bit file support")
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endif(LARGE_FILES_SUPPORTED)
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endif(NOT LARGE_FILES_SUPPORTED)
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if(NOT LARGE_FILES_SUPPORTED)
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# Maybe we are using the Windows C standard library
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try_compile(LARGE_FILES_SUPPORTED "${CMAKE_BINARY_DIR}"
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"${CMAKE_MODULE_PATH}/LargeFilesWindows.c")
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endif(NOT LARGE_FILES_SUPPORTED)
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if(LARGE_FILES_SUPPORTED)
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message(STATUS "Checking if large (64-bit) file support is available - yes")
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set(${VARIABLE} 1 CACHE INTERNAL "Is large file support available?")
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else(LARGE_FILES_SUPPORTED)
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message(STATUS "Checking if large (64-bit) file support is available - no")
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set(${VARIABLE} 0 CACHE INTERNAL "Is large file support available?")
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endif(LARGE_FILES_SUPPORTED)
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endif(NOT DEFINED ${VARIABLE})
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endmacro(test_large_files VARIABLE USE_64_SUFFIX)
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macro(use_large_files TARGET USE_64_SUFFIX)
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test_large_files(USING_LARGE_FILES ${USE_64_SUFFIX})
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if(USING_LARGE_FILES)
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if(DEFINED _FILE_OFFSET_BITS)
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set_property(TARGET ${TARGET}
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APPEND PROPERTY COMPILE_DEFINITIONS "-D_FILE_OFFSET_BITS=${_FILE_OFFSET_BITS}")
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endif(DEFINED _FILE_OFFSET_BITS)
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if(DEFINED _LARGEFILE_SOURCE)
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set_property(TARGET ${TARGET}
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APPEND PROPERTY COMPILE_DEFINITIONS "-D_LARGEFILE_SOURCE")
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endif(DEFINED _LARGEFILE_SOURCE)
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if(DEFINED _LARGEFILE64_SOURCE)
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set_property(TARGET ${TARGET}
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APPEND PROPERTY COMPILE_DEFINITIONS "-D_LARGEFILE64_SOURCE")
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endif(DEFINED _LARGEFILE64_SOURCE)
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else(USING_LARGE_FILES)
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message(FATAL_ERROR "Large file support not available")
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endif(USING_LARGE_FILES)
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endmacro(use_large_files TARGET USE_64_SUFFIX)
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
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#define VALID_ARRAY_LENGTH 1
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#define INVALID_ARRAY_LENGTH -1
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int main(int argc, const char **argv)
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{
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int a[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? VALID_ARRAY_LENGTH : INVALID_ARRAY_LENGTH];
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off64_t offset = ftello64(NULL);
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fseeko64(NULL, offset, SEEK_SET);
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return 0;
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}
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#include <stdio.h>
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int main()
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{
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__int64 off = 0;
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_fseeki64(NULL, off, SEEK_SET);
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return 0;
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}
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@ -46,8 +46,36 @@ add_executable(heimdall-frontend WIN32
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target_compile_features(heimdall-frontend PRIVATE cxx_std_11)
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include(LargeFiles)
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use_large_files(heimdall-frontend YES)
|
||||
include(CheckSymbolExists)
|
||||
|
||||
#
|
||||
# Large file support on UN*X, a/k/a LFS.
|
||||
#
|
||||
# On Windows, we require _fseeki64() and _ftelli64(). Visual Studio
|
||||
# has had supported them since Visual Studio 2005/MSVCR80.
|
||||
#
|
||||
if(NOT WIN32)
|
||||
include(FindLFS)
|
||||
if(LFS_FOUND)
|
||||
#
|
||||
# Add the required #defines.
|
||||
#
|
||||
add_definitions(${LFS_DEFINITIONS})
|
||||
endif()
|
||||
|
||||
#
|
||||
# Check for fseeko as well.
|
||||
#
|
||||
include(FindFseeko)
|
||||
if(FSEEKO_FOUND)
|
||||
set(HAVE_FSEEKO ON)
|
||||
|
||||
#
|
||||
# Add the required #defines.
|
||||
#
|
||||
add_definitions(${FSEEKO_DEFINITIONS})
|
||||
endif()
|
||||
endif()
|
||||
|
||||
set_property(TARGET heimdall-frontend
|
||||
APPEND PROPERTY COMPILE_DEFINITIONS "QT_LARGEFILE_SUPPORT")
|
||||
|
|
|
@ -39,8 +39,37 @@ set(HEIMDALL_SOURCE_FILES
|
|||
source/Utility.cpp
|
||||
source/VersionAction.cpp)
|
||||
|
||||
include(LargeFiles)
|
||||
use_large_files(heimdall YES)
|
||||
include(CheckSymbolExists)
|
||||
|
||||
#
|
||||
# Large file support on UN*X, a/k/a LFS.
|
||||
#
|
||||
# On Windows, we require _fseeki64() and _ftelli64(). Visual Studio
|
||||
# has had supported them since Visual Studio 2005/MSVCR80.
|
||||
#
|
||||
if(NOT WIN32)
|
||||
include(FindLFS)
|
||||
if(LFS_FOUND)
|
||||
#
|
||||
# Add the required #defines.
|
||||
#
|
||||
add_definitions(${LFS_DEFINITIONS})
|
||||
endif()
|
||||
|
||||
#
|
||||
# Check for fseeko as well.
|
||||
#
|
||||
include(FindFseeko)
|
||||
if(FSEEKO_FOUND)
|
||||
set(HAVE_FSEEKO ON)
|
||||
|
||||
#
|
||||
# Add the required #defines.
|
||||
#
|
||||
add_definitions(${FSEEKO_DEFINITIONS})
|
||||
endif()
|
||||
endif()
|
||||
|
||||
add_executable(heimdall ${HEIMDALL_SOURCE_FILES})
|
||||
target_compile_features(heimdall PRIVATE cxx_std_11)
|
||||
|
||||
|
|
Loading…
Reference in New Issue