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CMake/Modules/CMakeTestCCompiler.cmake

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ENH: add documentation support for modules
2005-12-14 21:51:08 +03:00
Convert CMake non-find modules to BSD License This adds copyright/license notification blocks CMake's non-find modules. Most of the modules had no notices at all. Some had notices referring to the BSD license already. This commit normalizes existing notices and adds missing notices.
2009-09-28 19:46:51 +04:00
#=============================================================================
Move CMAKE_<LANG>_COMPILER_WORKS to compiler information files Since the parent commit this test result is specific to the version of CMake. Store it in the version-specific compiler information files instead of CMakeCache.txt so testing can be re-done to meet the requirements of the current version of CMake even if another version of CMake was already used to configure the build tree.
2012-08-24 17:10:34 +04:00
# Copyright 2003-2012 Kitware, Inc.
Convert CMake non-find modules to BSD License This adds copyright/license notification blocks CMake's non-find modules. Most of the modules had no notices at all. Some had notices referring to the BSD license already. This commit normalizes existing notices and adds missing notices.
2009-09-28 19:46:51 +04:00
#
# 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.
#=============================================================================
Modules: Fix spelling 'To distributed' -> 'To distribute'
2010-08-07 04:48:47 +04:00
# (To distribute this file outside of CMake, substitute the full
Convert CMake non-find modules to BSD License This adds copyright/license notification blocks CMake's non-find modules. Most of the modules had no notices at all. Some had notices referring to the BSD license already. This commit normalizes existing notices and adds missing notices.
2009-09-28 19:46:51 +04:00
# License text for the above reference.)
Move CMAKE_<LANG>_COMPILER_WORKS to compiler information files Since the parent commit this test result is specific to the version of CMake. Store it in the version-specific compiler information files instead of CMakeCache.txt so testing can be re-done to meet the requirements of the current version of CMake even if another version of CMake was already used to configure the build tree.
2012-08-24 17:10:34 +04:00
if(CMAKE_C_COMPILER_FORCED)
# The compiler configuration was forced by the user.
# Assume the user has configured all compiler information.
set(CMAKE_C_COMPILER_WORKS TRUE)
return()
endif()
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
include(CMakeTestCompilerCommon)
Make a common function that prints the status during the checks for working compilers. Call it from all of the CMakeTesten_US.UTF-8Compiler.cmake files. In the message, print the full path to the tested compiler only for the Makefile generators. For Xcode and Visual Studio generators, print the generator instead so that users are not misled with the full path to a compiler that the generator may not even use. Xcode and Visual Studio have their own mechanisms for choosing the compiler to use during try_compile and build...
2010-02-12 22:32:20 +03:00
Move CMAKE_<LANG>_COMPILER_WORKS to compiler information files Since the parent commit this test result is specific to the version of CMake. Store it in the version-specific compiler information files instead of CMakeCache.txt so testing can be re-done to meet the requirements of the current version of CMake even if another version of CMake was already used to configure the build tree.
2012-08-24 17:10:34 +04:00
# Remove any cached result from an older CMake version.
# We now store this in CMakeCCompiler.cmake.
unset(CMAKE_C_COMPILER_WORKS CACHE)
add a fatal error, and make sure c and c++ compilers work before using them
2003-01-21 20:50:48 +03:00
# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that that selected C compiler can actually compile
ERR: Fixed typo in comment.
2003-08-28 00:02:37 +04:00
# and link the most basic of programs. If not, a fatal error
add a fatal error, and make sure c and c++ compilers work before using them
2003-01-21 20:50:48 +03:00
# is set and cmake stops processing commands and will not generate
# any makefiles or projects.
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
if(NOT CMAKE_C_COMPILER_WORKS)
Make a common function that prints the status during the checks for working compilers. Call it from all of the CMakeTesten_US.UTF-8Compiler.cmake files. In the message, print the full path to the tested compiler only for the Makefile generators. For Xcode and Visual Studio generators, print the generator instead so that users are not misled with the full path to a compiler that the generator may not even use. Xcode and Visual Studio have their own mechanisms for choosing the compiler to use during try_compile and build...
2010-02-12 22:32:20 +03:00
PrintTestCompilerStatus("C" "")
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCCompiler.c
BUG#530: Using #error to report a nice error message if the C compiler is set to a C++ compiler.
2004-01-21 23:11:48 +03:00
"#ifdef __cplusplus\n"
"# error \"The CMAKE_C_COMPILER is set to a C++ compiler\"\n"
"#endif\n"
COMP: More warnings and hp issues
2006-07-26 22:10:14 +04:00
"#if defined(__CLASSIC_C__)\n"
"int main(argc, argv)\n"
" int argc;\n"
" char* argv[];\n"
"#else\n"
"int main(int argc, char* argv[])\n"
"#endif\n"
BUG: remove warning in test of compiler so -Werror does not fail
2009-06-22 18:02:51 +04:00
"{ (void)argv; return argc-1;}\n")
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
try_compile(CMAKE_C_COMPILER_WORKS ${CMAKE_BINARY_DIR}
ENH: centralized locaiton of CMakeFiles setting
2006-06-14 20:28:32 +04:00
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCCompiler.c
Avoid clobbering variable 'OUTPUT' in compiler tests (#12628) Use an obscure name and clean up afterwards.
2011-12-15 17:29:43 +04:00
OUTPUT_VARIABLE __CMAKE_C_COMPILER_OUTPUT)
Move CMAKE_<LANG>_COMPILER_WORKS to compiler information files Since the parent commit this test result is specific to the version of CMake. Store it in the version-specific compiler information files instead of CMakeCache.txt so testing can be re-done to meet the requirements of the current version of CMake even if another version of CMake was already used to configure the build tree.
2012-08-24 17:10:34 +04:00
# Move result from cache to normal variable.
set(CMAKE_C_COMPILER_WORKS ${CMAKE_C_COMPILER_WORKS})
unset(CMAKE_C_COMPILER_WORKS CACHE)
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
set(C_TEST_WAS_RUN 1)
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:50:14 +04:00
endif()
ENH: only run test for working c and cxx compiler once
2003-01-22 20:29:37 +03:00
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
if(NOT CMAKE_C_COMPILER_WORKS)
Make a common function that prints the status during the checks for working compilers. Call it from all of the CMakeTesten_US.UTF-8Compiler.cmake files. In the message, print the full path to the tested compiler only for the Makefile generators. For Xcode and Visual Studio generators, print the generator instead so that users are not misled with the full path to a compiler that the generator may not even use. Xcode and Visual Studio have their own mechanisms for choosing the compiler to use during try_compile and build...
2010-02-12 22:32:20 +03:00
PrintTestCompilerStatus("C" " -- broken")
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
BUG#411: Re-ordering statements so errors show up in CMakeError.log.
2003-12-01 21:06:35 +03:00
"Determining if the C compiler works failed with "
Avoid clobbering variable 'OUTPUT' in compiler tests (#12628) Use an obscure name and clean up afterwards.
2011-12-15 17:29:43 +04:00
"the following output:\n${__CMAKE_C_COMPILER_OUTPUT}\n\n")
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
message(FATAL_ERROR "The C compiler \"${CMAKE_C_COMPILER}\" "
ERR: Fixed typeo tests->test.
2003-08-05 01:08:41 +04:00
"is not able to compile a simple test program.\nIt fails "
Avoid clobbering variable 'OUTPUT' in compiler tests (#12628) Use an obscure name and clean up afterwards.
2011-12-15 17:29:43 +04:00
"with the following output:\n ${__CMAKE_C_COMPILER_OUTPUT}\n\n"
ENH: Replace WRITE_FILE with FILE(WRITE and FILE(APPEND. Replace MAKE_DIRECTORY with FILE(MAKE_DIRECTORY, replace STRING(ASCII things
2003-07-11 22:14:03 +04:00
"CMake will not be able to correctly generate this project.")
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:50:14 +04:00
else()
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
if(C_TEST_WAS_RUN)
Make a common function that prints the status during the checks for working compilers. Call it from all of the CMakeTesten_US.UTF-8Compiler.cmake files. In the message, print the full path to the tested compiler only for the Makefile generators. For Xcode and Visual Studio generators, print the generator instead so that users are not misled with the full path to a compiler that the generator may not even use. Xcode and Visual Studio have their own mechanisms for choosing the compiler to use during try_compile and build...
2010-02-12 22:32:20 +03:00
PrintTestCompilerStatus("C" " -- works")
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
ENH: stuff to keep compiler tests from re-running all the time
2005-01-20 20:30:03 +03:00
"Determining if the C compiler works passed with "
Avoid clobbering variable 'OUTPUT' in compiler tests (#12628) Use an obscure name and clean up afterwards.
2011-12-15 17:29:43 +04:00
"the following output:\n${__CMAKE_C_COMPILER_OUTPUT}\n\n")
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:50:14 +04:00
endif()
ENH: Generalize the check for sizeof void* to detect more ABI information.
2008-01-22 02:30:17 +03:00
Move CMAKE_<LANG>_COMPILER_WORKS to compiler information files Since the parent commit this test result is specific to the version of CMake. Store it in the version-specific compiler information files instead of CMakeCache.txt so testing can be re-done to meet the requirements of the current version of CMake even if another version of CMake was already used to configure the build tree.
2012-08-24 17:10:34 +04:00
# Try to identify the ABI and configure it into CMakeCCompiler.cmake
include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerABI.cmake)
CMAKE_DETERMINE_COMPILER_ABI(C ${CMAKE_ROOT}/Modules/CMakeCCompilerABI.c)
# Re-configure to save learned information.
configure_file(
${CMAKE_ROOT}/Modules/CMakeCCompiler.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeCCompiler.cmake
Drop use of configure_file IMMEDIATE option Since commit 7d47c693 (Drop compatibility with CMake < 2.4, 2013-10-08) we no longer need to use the configure_file IMMEDIATE option to support compatibility modes less than 2.0.
2013-11-13 12:50:56 +04:00
@ONLY
Move CMAKE_<LANG>_COMPILER_WORKS to compiler information files Since the parent commit this test result is specific to the version of CMake. Store it in the version-specific compiler information files instead of CMakeCache.txt so testing can be re-done to meet the requirements of the current version of CMake even if another version of CMake was already used to configure the build tree.
2012-08-24 17:10:34 +04:00
)
include(${CMAKE_PLATFORM_INFO_DIR}/CMakeCCompiler.cmake)
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
if(CMAKE_C_SIZEOF_DATA_PTR)
foreach(f ${CMAKE_C_ABI_FILES})
include(${f})
endforeach()
unset(CMAKE_C_ABI_FILES)
endif()
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:50:14 +04:00
endif()
BUG: fix SIZEOF VOIDP problem
2005-11-14 22:21:39 +03:00
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
unset(__CMAKE_C_COMPILER_OUTPUT)