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web-wasi: Add Emscripten CMake modifications
This commit is contained in:
Matt McCormick
parent
6dd95fcb41
commit
62c63cbb6a
123
web-wasi/CMakeSystemSpecificInformation.cmake
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123
web-wasi/CMakeSystemSpecificInformation.cmake
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@ -0,0 +1,123 @@
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# XXX Emscripten:
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# This file is copied as-is from the CMake source tree. Due to how CMake
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# platform toolchain files work, we must have a copy of this file located
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# relative to Emscripten platform toolchain file, or file inclusion order
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# in cmGlobalGenerator::EnableLanguage will not find Emscripten.cmake
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# toolchain file, and as a result, it is not possible to set the default
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# compilation output suffix to .js, and as a consequence the script
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# check_function_exists() will not function properly (it will try to
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# build to wrong file suffix)
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# CMake - Cross Platform Makefile Generator
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# Copyright 2000-2014 Kitware, Inc.
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# Copyright 2000-2011 Insight Software Consortium
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# All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the names of Kitware, Inc., the Insight Software Consortium,
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# nor the names of their contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# ------------------------------------------------------------------------------
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# The above copyright and license notice applies to distributions of
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# CMake in source and binary form. Some source files contain additional
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# notices of original copyright by their contributors; see each source
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# for details. Third-party software packages supplied with CMake under
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# compatible licenses provide their own copyright notices documented in
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# corresponding subdirectories.
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# ------------------------------------------------------------------------------
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# CMake was initially developed by Kitware with the following sponsorship:
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# * National Library of Medicine at the National Institutes of Health
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# as part of the Insight Segmentation and Registration Toolkit (ITK).
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# * US National Labs (Los Alamos, Livermore, Sandia) ASC Parallel
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# Visualization Initiative.
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# * National Alliance for Medical Image Computing (NAMIC) is funded by the
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# National Institutes of Health through the NIH Roadmap for Medical Research,
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# Grant U54 EB005149.
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# * Kitware, Inc.
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# This file is included by cmGlobalGenerator::EnableLanguage.
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# It is included after the compiler has been determined, so
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# we know things like the compiler name and if the compiler is gnu.
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# before cmake 2.6 these variables were set in cmMakefile.cxx. This is still
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# done to keep scripts and custom language and compiler modules working.
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# But they are reset here and set again in the platform files for the target
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# platform, so they can be used for testing the target platform instead
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# of testing the host platform.
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set(APPLE )
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set(UNIX )
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set(CYGWIN )
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set(WIN32 )
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# include Generic system information
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include(CMakeGenericSystem)
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# 2. now include SystemName.cmake file to set the system specific information
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set(CMAKE_SYSTEM_INFO_FILE Platform/${CMAKE_SYSTEM_NAME})
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include(${CMAKE_SYSTEM_INFO_FILE} OPTIONAL RESULT_VARIABLE _INCLUDED_SYSTEM_INFO_FILE)
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if(NOT _INCLUDED_SYSTEM_INFO_FILE)
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message("System is unknown to cmake, create:\n${CMAKE_SYSTEM_INFO_FILE}"
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" to use this system, please send your config file to "
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"cmake@www.cmake.org so it can be added to cmake")
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if(EXISTS ${CMAKE_BINARY_DIR}/CMakeCache.txt)
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configure_file(${CMAKE_BINARY_DIR}/CMakeCache.txt
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${CMAKE_BINARY_DIR}/CopyOfCMakeCache.txt COPYONLY)
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message("Your CMakeCache.txt file was copied to CopyOfCMakeCache.txt. "
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"Please send that file to cmake@www.cmake.org.")
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endif()
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endif()
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# optionally include a file which can do extra-generator specific things, e.g.
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# CMakeFindEclipseCDT4.cmake asks gcc for the system include dirs for the Eclipse CDT4 generator
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if(CMAKE_EXTRA_GENERATOR)
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string(REPLACE " " "" _CMAKE_EXTRA_GENERATOR_NO_SPACES ${CMAKE_EXTRA_GENERATOR} )
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include("CMakeFind${_CMAKE_EXTRA_GENERATOR_NO_SPACES}" OPTIONAL)
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endif()
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# for most systems a module is the same as a shared library
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# so unless the variable CMAKE_MODULE_EXISTS is set just
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# copy the values from the LIBRARY variables
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# this has to be done after the system information has been loaded
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if(NOT CMAKE_MODULE_EXISTS)
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set(CMAKE_SHARED_MODULE_PREFIX "${CMAKE_SHARED_LIBRARY_PREFIX}")
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set(CMAKE_SHARED_MODULE_SUFFIX "${CMAKE_SHARED_LIBRARY_SUFFIX}")
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endif()
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set(CMAKE_SYSTEM_SPECIFIC_INFORMATION_LOADED 1)
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37
web-wasi/CheckTypeSize.c.in
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37
web-wasi/CheckTypeSize.c.in
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@ -0,0 +1,37 @@
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@headers@
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#undef KEY
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#if defined(__i386)
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# define KEY '_','_','i','3','8','6'
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#elif defined(__x86_64)
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# define KEY '_','_','x','8','6','_','6','4'
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#elif defined(__ppc__)
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# define KEY '_','_','p','p','c','_','_'
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#elif defined(__ppc64__)
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# define KEY '_','_','p','p','c','6','4','_','_'
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#endif
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#define SIZE (sizeof(@type@))
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char info_size[] = {'I', 'N', 'F', 'O', ':', 's','i','z','e','[',
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('0' + ((SIZE / 10000)%10)),
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('0' + ((SIZE / 1000)%10)),
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('0' + ((SIZE / 100)%10)),
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('0' + ((SIZE / 10)%10)),
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('0' + (SIZE % 10)),
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']',
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#ifdef KEY
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' ','k','e','y','[', KEY, ']',
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#endif
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'\0'};
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#ifdef __CLASSIC_C__
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int main(argc, argv) int argc; char *argv[];
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#else
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int main(int argc, char *argv[])
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#endif
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{
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int require = 0;
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require += info_size[argc];
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(void)argv;
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return SIZE;
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}
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231
web-wasi/CheckTypeSize.cmake
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231
web-wasi/CheckTypeSize.cmake
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@ -0,0 +1,231 @@
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#.rst:
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# CheckTypeSize
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# -------------
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#
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# Check sizeof a type
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#
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# ::
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#
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# CHECK_TYPE_SIZE(TYPE VARIABLE [BUILTIN_TYPES_ONLY]
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# [LANGUAGE <language>])
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#
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# Check if the type exists and determine its size. On return,
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# "HAVE_${VARIABLE}" holds the existence of the type, and "${VARIABLE}"
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# holds one of the following:
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#
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# ::
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#
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# <size> = type has non-zero size <size>
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# "0" = type has arch-dependent size (see below)
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# "" = type does not exist
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#
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# Both ``HAVE_${VARIABLE}`` and ``${VARIABLE}`` will be created as internal
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# cache variables.
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#
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# Furthermore, the variable "${VARIABLE}_CODE" holds C preprocessor code
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# to define the macro "${VARIABLE}" to the size of the type, or leave
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# the macro undefined if the type does not exist.
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#
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# The variable "${VARIABLE}" may be "0" when CMAKE_OSX_ARCHITECTURES has
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# multiple architectures for building OS X universal binaries. This
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# indicates that the type size varies across architectures. In this
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# case "${VARIABLE}_CODE" contains C preprocessor tests mapping from
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# each architecture macro to the corresponding type size. The list of
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# architecture macros is stored in "${VARIABLE}_KEYS", and the value for
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# each key is stored in "${VARIABLE}-${KEY}".
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#
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# If the BUILTIN_TYPES_ONLY option is not given, the macro checks for
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# headers <sys/types.h>, <stdint.h>, and <stddef.h>, and saves results
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# in HAVE_SYS_TYPES_H, HAVE_STDINT_H, and HAVE_STDDEF_H. The type size
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# check automatically includes the available headers, thus supporting
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# checks of types defined in the headers.
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#
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# If LANGUAGE is set, the specified compiler will be used to perform the
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# check. Acceptable values are C and CXX
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#
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# Despite the name of the macro you may use it to check the size of more
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# complex expressions, too. To check e.g. for the size of a struct
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# member you can do something like this:
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#
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# ::
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#
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# check_type_size("((struct something*)0)->member" SIZEOF_MEMBER)
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#
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#
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#
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# The following variables may be set before calling this macro to modify
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# the way the check is run:
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#
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# ::
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#
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# CMAKE_REQUIRED_FLAGS = string of compile command line flags
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# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
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# CMAKE_REQUIRED_INCLUDES = list of include directories
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# CMAKE_REQUIRED_LIBRARIES = list of libraries to link
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# CMAKE_REQUIRED_QUIET = execute quietly without messages
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# CMAKE_EXTRA_INCLUDE_FILES = list of extra headers to include
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#=============================================================================
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# Copyright 2002-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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include(CheckIncludeFile)
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include(CheckIncludeFileCXX)
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cmake_policy(PUSH)
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cmake_policy(VERSION 3.0)
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get_filename_component(__check_type_size_dir "${CMAKE_CURRENT_LIST_FILE}" PATH)
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#-----------------------------------------------------------------------------
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# Helper function. DO NOT CALL DIRECTLY.
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function(__check_type_size_impl type var map builtin language)
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if(NOT CMAKE_REQUIRED_QUIET)
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message(STATUS "Check size of ${type}")
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endif()
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# Include header files.
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set(headers)
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if(builtin)
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if(HAVE_SYS_TYPES_H)
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set(headers "${headers}#include <sys/types.h>\n")
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endif()
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if(HAVE_STDINT_H)
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set(headers "${headers}#include <stdint.h>\n")
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endif()
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if(HAVE_STDDEF_H)
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set(headers "${headers}#include <stddef.h>\n")
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endif()
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endif()
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foreach(h ${CMAKE_EXTRA_INCLUDE_FILES})
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set(headers "${headers}#include \"${h}\"\n")
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endforeach()
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# Perform the check.
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if("${language}" STREQUAL "C")
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set(src ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckTypeSize/${var}.c)
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elseif("${language}" STREQUAL "CXX")
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set(src ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckTypeSize/${var}.cpp)
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else()
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message(FATAL_ERROR "Unknown language:\n ${language}\nSupported languages: C, CXX.\n")
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|
endif()
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set(bin ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckTypeSize/${var}.bin)
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configure_file(${__check_type_size_dir}/CheckTypeSize.c.in ${src} @ONLY)
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try_run(${var}_run_result HAVE_${var} ${CMAKE_BINARY_DIR} ${src}
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COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
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LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}
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||||||
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CMAKE_FLAGS
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"-DCOMPILE_DEFINITIONS:STRING=${CMAKE_REQUIRED_FLAGS}"
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||||||
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"-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}"
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||||||
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RUN_OUTPUT_VARIABLE ${var}_run_output
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||||||
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COMPILE_OUTPUT_VARIABLE output
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||||||
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)
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||||||
|
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||||||
|
if(${HAVE_${var}} AND NOT "${${var}_run_result}" STREQUAL "FAILED_TO_RUN")
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||||||
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set(${var} ${${var}_run_result})
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||||||
|
if(NOT CMAKE_REQUIRED_QUIET)
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||||||
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message(STATUS "Check size of ${type} - done")
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||||||
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endif()
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||||||
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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||||||
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"Determining size of ${type} passed with the following output:\n${output}\n\n")
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||||||
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set(${var} "${${var}}" CACHE INTERNAL "CHECK_TYPE_SIZE: sizeof(${type})")
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||||||
|
else()
|
||||||
|
# The check failed to compile.
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||||||
|
if(NOT CMAKE_REQUIRED_QUIET)
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||||||
|
message(STATUS "Check size of ${type} - failed")
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||||||
|
endif()
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||||||
|
file(READ ${src} content)
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||||||
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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||||||
|
"Determining size of ${type} failed with the following output:\n${output}\n${src}:\n${content}\n\n")
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||||||
|
set(${var} "" CACHE INTERNAL "CHECK_TYPE_SIZE: ${type} unknown")
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||||||
|
file(REMOVE ${map})
|
||||||
|
endif()
|
||||||
|
endfunction()
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||||||
|
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||||||
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#-----------------------------------------------------------------------------
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||||||
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macro(CHECK_TYPE_SIZE TYPE VARIABLE)
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||||||
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# parse arguments
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||||||
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unset(doing)
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foreach(arg ${ARGN})
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if("x${arg}" STREQUAL "xBUILTIN_TYPES_ONLY")
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||||||
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set(_CHECK_TYPE_SIZE_${arg} 1)
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||||||
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unset(doing)
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||||||
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elseif("x${arg}" STREQUAL "xLANGUAGE") # change to MATCHES for more keys
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||||||
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set(doing "${arg}")
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||||||
|
set(_CHECK_TYPE_SIZE_${doing} "")
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||||||
|
elseif("x${doing}" STREQUAL "xLANGUAGE")
|
||||||
|
set(_CHECK_TYPE_SIZE_${doing} "${arg}")
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||||||
|
unset(doing)
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||||||
|
else()
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||||||
|
message(FATAL_ERROR "Unknown argument:\n ${arg}\n")
|
||||||
|
endif()
|
||||||
|
endforeach()
|
||||||
|
if("x${doing}" MATCHES "^x(LANGUAGE)$")
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||||||
|
message(FATAL_ERROR "Missing argument:\n ${doing} arguments requires a value\n")
|
||||||
|
endif()
|
||||||
|
if(DEFINED _CHECK_TYPE_SIZE_LANGUAGE)
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||||||
|
if(NOT "x${_CHECK_TYPE_SIZE_LANGUAGE}" MATCHES "^x(C|CXX)$")
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||||||
|
message(FATAL_ERROR "Unknown language:\n ${_CHECK_TYPE_SIZE_LANGUAGE}.\nSupported languages: C, CXX.\n")
|
||||||
|
endif()
|
||||||
|
set(_language ${_CHECK_TYPE_SIZE_LANGUAGE})
|
||||||
|
else()
|
||||||
|
set(_language C)
|
||||||
|
endif()
|
||||||
|
|
||||||
|
# Optionally check for standard headers.
|
||||||
|
if(_CHECK_TYPE_SIZE_BUILTIN_TYPES_ONLY)
|
||||||
|
set(_builtin 0)
|
||||||
|
else()
|
||||||
|
set(_builtin 1)
|
||||||
|
if("${_language}" STREQUAL "C")
|
||||||
|
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
|
||||||
|
check_include_file(stdint.h HAVE_STDINT_H)
|
||||||
|
check_include_file(stddef.h HAVE_STDDEF_H)
|
||||||
|
elseif("${_language}" STREQUAL "CXX")
|
||||||
|
check_include_file_cxx(sys/types.h HAVE_SYS_TYPES_H)
|
||||||
|
check_include_file_cxx(stdint.h HAVE_STDINT_H)
|
||||||
|
check_include_file_cxx(stddef.h HAVE_STDDEF_H)
|
||||||
|
endif()
|
||||||
|
endif()
|
||||||
|
unset(_CHECK_TYPE_SIZE_BUILTIN_TYPES_ONLY)
|
||||||
|
unset(_CHECK_TYPE_SIZE_LANGUAGE)
|
||||||
|
|
||||||
|
# Compute or load the size or size map.
|
||||||
|
set(${VARIABLE}_KEYS)
|
||||||
|
set(_map_file ${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CheckTypeSize/${VARIABLE}.cmake)
|
||||||
|
if(NOT DEFINED HAVE_${VARIABLE})
|
||||||
|
__check_type_size_impl(${TYPE} ${VARIABLE} ${_map_file} ${_builtin} ${_language})
|
||||||
|
endif()
|
||||||
|
include(${_map_file} OPTIONAL)
|
||||||
|
set(_map_file)
|
||||||
|
set(_builtin)
|
||||||
|
|
||||||
|
# Create preprocessor code.
|
||||||
|
if(${VARIABLE}_KEYS)
|
||||||
|
set(${VARIABLE}_CODE)
|
||||||
|
set(_if if)
|
||||||
|
foreach(key ${${VARIABLE}_KEYS})
|
||||||
|
set(${VARIABLE}_CODE "${${VARIABLE}_CODE}#${_if} defined(${key})\n# define ${VARIABLE} ${${VARIABLE}-${key}}\n")
|
||||||
|
set(_if elif)
|
||||||
|
endforeach()
|
||||||
|
set(${VARIABLE}_CODE "${${VARIABLE}_CODE}#else\n# error ${VARIABLE} unknown\n#endif")
|
||||||
|
set(_if)
|
||||||
|
elseif(${VARIABLE})
|
||||||
|
set(${VARIABLE}_CODE "#define ${VARIABLE} ${${VARIABLE}}")
|
||||||
|
else()
|
||||||
|
set(${VARIABLE}_CODE "/* #undef ${VARIABLE} */")
|
||||||
|
endif()
|
||||||
|
endmacro()
|
||||||
|
|
||||||
|
#-----------------------------------------------------------------------------
|
||||||
|
cmake_policy(POP)
|
||||||
@ -25,6 +25,10 @@ ENV AR=${CROSS_ROOT}/bin/llvm-ar \
|
|||||||
|
|
||||||
COPY WASI.cmake /usr/src/
|
COPY WASI.cmake /usr/src/
|
||||||
RUN mv /usr/src/WASI.cmake /usr/share/cmake-*/Modules/Platform/
|
RUN mv /usr/src/WASI.cmake /usr/share/cmake-*/Modules/Platform/
|
||||||
|
COPY *.cmake /usr/src/
|
||||||
|
RUN mv /usr/src/*.cmake /usr/share/cmake-*/Modules/
|
||||||
|
COPY CheckTypeSize.c.in /usr/src/
|
||||||
|
RUN mv /usr/src/CheckTypeSize.c.in /usr/share/cmake-*/Modules/
|
||||||
COPY Toolchain.cmake ${CROSS_ROOT}/
|
COPY Toolchain.cmake ${CROSS_ROOT}/
|
||||||
ENV CMAKE_TOOLCHAIN_FILE ${CROSS_ROOT}/Toolchain.cmake
|
ENV CMAKE_TOOLCHAIN_FILE ${CROSS_ROOT}/Toolchain.cmake
|
||||||
|
|
||||||
|
|||||||
25
web-wasi/FindOpenAL.cmake
Normal file
25
web-wasi/FindOpenAL.cmake
Normal file
@ -0,0 +1,25 @@
|
|||||||
|
# Locate OpenAL
|
||||||
|
# This module defines
|
||||||
|
# OPENAL_LIBRARY
|
||||||
|
# OPENAL_FOUND, if false, do not try to link to OpenAL
|
||||||
|
# OPENAL_INCLUDE_DIR, where to find the headers
|
||||||
|
|
||||||
|
# The implementation is based on the standard FindOpenAL.cmake provided with CMake,
|
||||||
|
# but customized for targeting Emscripten only.
|
||||||
|
|
||||||
|
if (NOT OPENAL_FOUND)
|
||||||
|
SET(OPENAL_FOUND TRUE)
|
||||||
|
|
||||||
|
# For Emscripten-compiled apps in the test suite (test_alut), this is expected...
|
||||||
|
SET(OPENAL_INCLUDE_DIR "${EMSCRIPTEN_ROOT_PATH}/system/include")
|
||||||
|
# ... but the stock FindOpenAL.cmake would have returned this.
|
||||||
|
#SET(OPENAL_INCLUDE_DIR "${EMSCRIPTEN_ROOT_PATH}/system/include/AL")
|
||||||
|
|
||||||
|
# Returning "-lopenal" is now considered mandatory
|
||||||
|
SET(OPENAL_LIBRARY "-lopenal")
|
||||||
|
SET(OPENAL_LIB "-lopenal")
|
||||||
|
|
||||||
|
set(CMAKE_INCLUDE_PATH ${CMAKE_INCLUDE_PATH} "${EMSCRIPTEN_ROOT_PATH}/system/include" "${EMSCRIPTEN_ROOT_PATH}/system/include/AL")
|
||||||
|
|
||||||
|
MARK_AS_ADVANCED(OPENAL_LIBRARY OPENAL_INCLUDE_DIR)
|
||||||
|
endif()
|
||||||
34
web-wasi/FindOpenGL.cmake
Normal file
34
web-wasi/FindOpenGL.cmake
Normal file
@ -0,0 +1,34 @@
|
|||||||
|
# Locate OpenGL
|
||||||
|
# This module defines:
|
||||||
|
# OPENGL_FOUND - system has OpenGL
|
||||||
|
# OPENGL_XMESA_FOUND - system has XMESA
|
||||||
|
# OPENGL_GLU_FOUND - system has GLU
|
||||||
|
# OPENGL_INCLUDE_DIR - the GL include directory
|
||||||
|
# OPENGL_LIBRARIES - Link these to use OpenGL and GLU
|
||||||
|
# OPENGL_gl_LIBRARY - Path to OpenGL Library
|
||||||
|
# OPENGL_glu_LIBRARY - Path to GLU Library
|
||||||
|
|
||||||
|
# The implementation is based on the standard FindOpenGL.cmake provided with CMake,
|
||||||
|
# but customized for targeting Emscripten only.
|
||||||
|
|
||||||
|
# These libraries are provided with Emscripten
|
||||||
|
SET(OPENGL_FOUND TRUE)
|
||||||
|
SET(OPENGL_GLU_FOUND TRUE)
|
||||||
|
|
||||||
|
# Doesn't look like this one is part of Emscripten
|
||||||
|
SET(OPENGL_XMESA_FOUND FALSE)
|
||||||
|
|
||||||
|
# This is the path where <GL/gl.h> is found
|
||||||
|
SET(OPENGL_INCLUDE_DIR "${EMSCRIPTEN_ROOT_PATH}/system/include")
|
||||||
|
|
||||||
|
# No library to link against for OpenGL, since Emscripten picks it up automatically from library_webgl.js,
|
||||||
|
# but need to report something, or CMake thinks we failed in the search.
|
||||||
|
SET(OPENGL_LIBRARIES "nul")
|
||||||
|
SET(OPENGL_gl_LIBRARY "nul")
|
||||||
|
SET(OPENGL_glu_LIBRARY "nul")
|
||||||
|
|
||||||
|
mark_as_advanced(
|
||||||
|
OPENGL_INCLUDE_DIR
|
||||||
|
OPENGL_glu_LIBRARY
|
||||||
|
OPENGL_gl_LIBRARY
|
||||||
|
)
|
||||||
30
web-wasi/TestBigEndian.cmake
Normal file
30
web-wasi/TestBigEndian.cmake
Normal file
@ -0,0 +1,30 @@
|
|||||||
|
#.rst:
|
||||||
|
# TestBigEndian
|
||||||
|
# -------------
|
||||||
|
#
|
||||||
|
# The TestBigEndian.cmake module that ships with CMake, which
|
||||||
|
# checks if the system is big endian or little endian, assumes
|
||||||
|
# that a binary is produced that will have bytes that correspond to the
|
||||||
|
# endianness on the target system. Since emscripten produces Javascript, we
|
||||||
|
# override the default behavior and always return little endian.
|
||||||
|
#
|
||||||
|
# ::
|
||||||
|
#
|
||||||
|
# TEST_BIG_ENDIAN(VARIABLE)
|
||||||
|
# VARIABLE - variable to store the result to
|
||||||
|
#=============================================================================
|
||||||
|
# Copyright 2002-2009 Kitware, Inc.
|
||||||
|
#
|
||||||
|
# Distributed under the OSI-approved BSD License (the "License");
|
||||||
|
# see accompanying file Copyright.txt for details.
|
||||||
|
#
|
||||||
|
# This software is distributed WITHOUT ANY WARRANTY; without even the
|
||||||
|
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||||
|
# See the License for more information.
|
||||||
|
#=============================================================================
|
||||||
|
# (To distribute this file outside of CMake, substitute the full
|
||||||
|
# License text for the above reference.)
|
||||||
|
|
||||||
|
function(TEST_BIG_ENDIAN VARIABLE)
|
||||||
|
set(${VARIABLE} 0 CACHE INTERNAL "Result of TEST_BIG_ENDIAN" FORCE)
|
||||||
|
endfunction()
|
||||||
Loading…
Reference in New Issue
Block a user