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CMake/Modules/CheckIncludeFiles.cmake

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Convert builtin help to reStructuredText source files Run the convert-help.bash script to convert documentation: ./convert-help.bash "/path/to/CMake-build/bin" Then remove it.
2013-10-15 15:17:36 +00:00
#.rst:
# CheckIncludeFiles
# -----------------
#
# Check if the files can be included
#
#
Add macro for checking if a swequence of includes can be includes
2003-01-01 23:00:49 +00:00
#
ENH: add documentation support for modules
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# CHECK_INCLUDE_FILES(INCLUDE VARIABLE)
ENH: some style fixes for the book
2005-12-15 15:41:19 +00:00
#
Convert builtin help to reStructuredText source files Run the convert-help.bash script to convert documentation: ./convert-help.bash "/path/to/CMake-build/bin" Then remove it.
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# ::
#
# INCLUDE - list of files to include
# VARIABLE - variable to return result
#
#
#
# The following variables may be set before calling this macro to modify
# the way the check is run:
ENH: Made Check* modules more consistent and well documented. Added CMAKE_REQUIRED_DEFINITIONS option.
2006-02-10 00:23:18 +00:00
#
Convert builtin help to reStructuredText source files Run the convert-help.bash script to convert documentation: ./convert-help.bash "/path/to/CMake-build/bin" Then remove it.
2013-10-15 15:17:36 +00:00
# ::
ENH: Made Check* modules more consistent and well documented. Added CMAKE_REQUIRED_DEFINITIONS option.
2006-02-10 00:23:18 +00:00
#
Convert builtin help to reStructuredText source files Run the convert-help.bash script to convert documentation: ./convert-help.bash "/path/to/CMake-build/bin" Then remove it.
2013-10-15 15:17:36 +00:00
# CMAKE_REQUIRED_FLAGS = string of compile command line flags
# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
# CMAKE_REQUIRED_INCLUDES = list of include directories
Add macro for checking if a swequence of includes can be includes
2003-01-01 23:00:49 +00:00
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 15:46:51 +00:00
#=============================================================================
CheckIncludeFiles: Shorten check description message Since commit 44d007b6 (CheckIncludeFiles: fix status output, 2012-02-01) check_include_files reports the list of files tested instead of the name of the variable storing the result. Some projects incrementally test and concatenate very long lists leading to long messages that do not provide much information. Users report confusion especially when the lines wrap. For lists of more than two files produce messages of the format Looing for N include files first.h, ..., last.h where N is the list length and "..." is literal. Leave the log file entries and cache entry description unchanged as they should have the full detail of the check performed.
2012-04-09 19:57:02 +00:00
# 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 15:46:51 +00:00
#
# 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 00:48:47 +00:00
# (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 15:46:51 +00:00
# License text for the above reference.)
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:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
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macro(CHECK_INCLUDE_FILES INCLUDE VARIABLE)
if("${VARIABLE}" MATCHES "^${VARIABLE}$")
set(CMAKE_CONFIGURABLE_FILE_CONTENT "/* */\n")
if(CMAKE_REQUIRED_INCLUDES)
set(CHECK_INCLUDE_FILES_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}")
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 17:50:14 +00:00
else()
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 17:47:32 +00:00
set(CHECK_INCLUDE_FILES_INCLUDE_DIRS)
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 17:50:14 +00:00
endif()
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(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 17:47:32 +00:00
set(CHECK_INCLUDE_FILES_CONTENT "/* */\n")
set(MACRO_CHECK_INCLUDE_FILES_FLAGS ${CMAKE_REQUIRED_FLAGS})
foreach(FILE ${INCLUDE})
set(CMAKE_CONFIGURABLE_FILE_CONTENT
ENH: Make modules use configure instead of file write
2006-02-23 14:58:07 +00:00
"${CMAKE_CONFIGURABLE_FILE_CONTENT}#include <${FILE}>\n")
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 17:50:14 +00:00
endforeach()
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 17:47:32 +00:00
set(CMAKE_CONFIGURABLE_FILE_CONTENT
ENH: Make modules use configure instead of file write
2006-02-23 14:58:07 +00:00
"${CMAKE_CONFIGURABLE_FILE_CONTENT}\n\nint main(){return 0;}\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:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 17:47:32 +00:00
configure_file("${CMAKE_ROOT}/Modules/CMakeConfigurableFile.in"
ENH: centralized locaiton of CMakeFiles setting
2006-06-14 16:28:32 +00:00
"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckIncludeFiles.c" @ONLY IMMEDIATE)
ENH: Replace WRITE_FILE with FILE(WRITE and FILE(APPEND. Replace MAKE_DIRECTORY with FILE(MAKE_DIRECTORY, replace STRING(ASCII things
2003-07-11 18:14:03 +00:00
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 17:47:32 +00:00
set(_INCLUDE ${INCLUDE}) # remove empty elements
if("${_INCLUDE}" MATCHES "^([^;]+);.+;([^;]+)$")
list(LENGTH _INCLUDE _INCLUDE_LEN)
set(_description "${_INCLUDE_LEN} include files ${CMAKE_MATCH_1}, ..., ${CMAKE_MATCH_2}")
elseif("${_INCLUDE}" MATCHES "^([^;]+);([^;]+)$")
set(_description "include files ${CMAKE_MATCH_1}, ${CMAKE_MATCH_2}")
else()
set(_description "include file ${_INCLUDE}")
endif()
CheckIncludeFiles: Shorten check description message Since commit 44d007b6 (CheckIncludeFiles: fix status output, 2012-02-01) check_include_files reports the list of files tested instead of the name of the variable storing the result. Some projects incrementally test and concatenate very long lists leading to long messages that do not provide much information. Users report confusion especially when the lines wrap. For lists of more than two files produce messages of the format Looing for N include files first.h, ..., last.h where N is the list length and "..." is literal. Leave the log file entries and cache entry description unchanged as they should have the full detail of the check performed.
2012-04-09 19:57:02 +00:00
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(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 17:47:32 +00:00
message(STATUS "Looking for ${_description}")
try_compile(${VARIABLE}
ENH: Replace WRITE_FILE with FILE(WRITE and FILE(APPEND. Replace MAKE_DIRECTORY with FILE(MAKE_DIRECTORY, replace STRING(ASCII things
2003-07-11 18:14:03 +00:00
${CMAKE_BINARY_DIR}
ENH: centralized locaiton of CMakeFiles setting
2006-06-14 16:28:32 +00:00
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckIncludeFiles.c
ENH: Made Check* modules more consistent and well documented. Added CMAKE_REQUIRED_DEFINITIONS option.
2006-02-10 00:23:18 +00:00
COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
Remove trailing whitespace from most CMake and C/C++ code Our Git commit hooks disallow modification or addition of lines with trailing whitespace. Wipe out all remnants of trailing whitespace everywhere except third-party code. Run the following shell code: git ls-files -z -- \ bootstrap doxygen.config '*.readme' \ '*.c' '*.cmake' '*.cpp' '*.cxx' \ '*.el' '*.f' '*.f90' '*.h' '*.in' '*.in.l' '*.java' \ '*.mm' '*.pike' '*.py' '*.txt' '*.vim' | egrep -z -v '^(Utilities/cm|Source/(kwsys|CursesDialog/form)/)' | egrep -z -v '^(Modules/CPack\..*\.in)' | xargs -0 sed -i 's/ \+$//'
2012-08-13 17:42:58 +00:00
CMAKE_FLAGS
ENH: Replace WRITE_FILE with FILE(WRITE and FILE(APPEND. Replace MAKE_DIRECTORY with FILE(MAKE_DIRECTORY, replace STRING(ASCII things
2003-07-11 18:14:03 +00:00
-DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_INCLUDE_FILES_FLAGS}
ENH: Patch from Alexander Neundorf to improve behavior.
2006-02-09 18:14:57 +00:00
"${CHECK_INCLUDE_FILES_INCLUDE_DIRS}"
ENH: Replace WRITE_FILE with FILE(WRITE and FILE(APPEND. Replace MAKE_DIRECTORY with FILE(MAKE_DIRECTORY, replace STRING(ASCII things
2003-07-11 18:14:03 +00:00
OUTPUT_VARIABLE OUTPUT)
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:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 17:47:32 +00:00
if(${VARIABLE})
message(STATUS "Looking for ${_description} - found")
set(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
ENH: Cleanups and add missing CMakeOutput.log and CMakeError.log appending. Close Bug #136 - Verify that all modules that do try compile produce CMakeError.log and CMakeOutput.log
2003-08-08 15:59:07 +00:00
"Determining if files ${INCLUDE} "
"exist passed with the following output:\n"
"${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 17:50:14 +00:00
else()
Remove period at the end of the check message. Other messages don't have one.
2012-09-21 06:50:03 +00:00
message(STATUS "Looking for ${_description} - not found")
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 17:47:32 +00:00
set(${VARIABLE} "" CACHE INTERNAL "Have includes ${INCLUDE}")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
Add macro for checking if a swequence of includes can be includes
2003-01-01 23:00:49 +00:00
"Determining if files ${INCLUDE} "
"exist failed with the following output:\n"
ENH: Make modules use configure instead of file write
2006-02-23 14:58:07 +00:00
"${OUTPUT}\nSource:\n${CMAKE_CONFIGURABLE_FILE_CONTENT}\n")
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$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 17:50:14 +00:00
endif()
endif()
endmacro()
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