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CMake/Modules/Platform/Linux.cmake

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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:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
set(CMAKE_DL_LIBS "dl")
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":")
set(CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG "-Wl,-rpath-link,")
set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
set(CMAKE_EXE_EXPORTS_C_FLAG "-Wl,--export-dynamic")
ENH: Adding support to link specifically to an archive or a shared library based on the file name specified. This fixes the problem of having -lfoo linking to libfoo.so even when it came from libfoo.a being specified.
2006-09-15 22:09:10 +04:00
ENH: Better linker search path computation. - Use linker search path -L.. -lfoo for lib w/out soname when platform sets CMAKE_PLATFORM_USES_PATH_WHEN_NO_SONAME - Rename cmOrderRuntimeDirectories to cmOrderDirectories and generalize it for both soname constraints and link library constraints - Use cmOrderDirectories to order -L directories based on all needed constraints - Avoid processing implicit link directories - For CMAKE_OLD_LINK_PATHS add constraints from libs producing them to produce old ordering
2008-02-21 19:41:11 +03:00
# Shared libraries with no builtin soname may not be linked safely by
# specifying the file path.
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
set(CMAKE_PLATFORM_USES_PATH_WHEN_NO_SONAME 1)
ENH: Better linker search path computation. - Use linker search path -L.. -lfoo for lib w/out soname when platform sets CMAKE_PLATFORM_USES_PATH_WHEN_NO_SONAME - Rename cmOrderRuntimeDirectories to cmOrderDirectories and generalize it for both soname constraints and link library constraints - Use cmOrderDirectories to order -L directories based on all needed constraints - Avoid processing implicit link directories - For CMAKE_OLD_LINK_PATHS add constraints from libs producing them to produce old ordering
2008-02-21 19:41:11 +03:00
ENH: Adding support to link specifically to an archive or a shared library based on the file name specified. This fixes the problem of having -lfoo linking to libfoo.so even when it came from libfoo.a being specified.
2006-09-15 22:09:10 +04:00
# Initialize C link type selection flags. These flags are used when
# building a shared library, shared module, or executable that links
# to other libraries to select whether to use the static or shared
# versions of the libraries.
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
foreach(type SHARED_LIBRARY SHARED_MODULE EXE)
set(CMAKE_${type}_LINK_STATIC_C_FLAGS "-Wl,-Bstatic")
set(CMAKE_${type}_LINK_DYNAMIC_C_FLAGS "-Wl,-Bdynamic")
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:50:14 +04:00
endforeach()
ENH: Adding support to link specifically to an archive or a shared library based on the file name specified. This fixes the problem of having -lfoo linking to libfoo.so even when it came from libfoo.a being specified.
2006-09-15 22:09:10 +04:00
ENH: Added option CMAKE_INSTALL_SO_NO_EXE on linux to choose whether the default permissions for shared libraries include the executable bit. This is necessary to support the conflicting policies of Debian and Fedora. These changes address bug#4805.
2007-04-10 19:22:15 +04:00
# Debian policy requires that shared libraries be installed without
# executable permission. Fedora policy requires that shared libraries
# be installed with the executable permission. Since the native tools
# create shared libraries with execute permission in the first place a
# reasonable policy seems to be to install with execute permission by
# default. In order to support debian packages we provide an option
# here. The option default is based on the current distribution, but
# packagers can set it explicitly on the command line.
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
if(DEFINED CMAKE_INSTALL_SO_NO_EXE)
ENH: Added option CMAKE_INSTALL_SO_NO_EXE on linux to choose whether the default permissions for shared libraries include the executable bit. This is necessary to support the conflicting policies of Debian and Fedora. These changes address bug#4805.
2007-04-10 19:22:15 +04:00
# Store the decision variable in the cache. This preserves any
# setting the user provides on the command line.
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
set(CMAKE_INSTALL_SO_NO_EXE "${CMAKE_INSTALL_SO_NO_EXE}" CACHE INTERNAL
ENH: Added option CMAKE_INSTALL_SO_NO_EXE on linux to choose whether the default permissions for shared libraries include the executable bit. This is necessary to support the conflicting policies of Debian and Fedora. These changes address bug#4805.
2007-04-10 19:22:15 +04:00
"Install .so files without execute permission.")
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"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:50:14 +04:00
else()
ENH: Added option CMAKE_INSTALL_SO_NO_EXE on linux to choose whether the default permissions for shared libraries include the executable bit. This is necessary to support the conflicting policies of Debian and Fedora. These changes address bug#4805.
2007-04-10 19:22:15 +04:00
# Store the decision variable as an internal cache entry to avoid
# checking the platform every time. This option is advanced enough
# that only package maintainers should need to adjust it. They are
# capable of providing a setting on the command line.
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
if(EXISTS "/etc/debian_version")
set(CMAKE_INSTALL_SO_NO_EXE 1 CACHE INTERNAL
ENH: Added option CMAKE_INSTALL_SO_NO_EXE on linux to choose whether the default permissions for shared libraries include the executable bit. This is necessary to support the conflicting policies of Debian and Fedora. These changes address bug#4805.
2007-04-10 19:22:15 +04:00
"Install .so files without execute permission.")
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$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:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
set(CMAKE_INSTALL_SO_NO_EXE 0 CACHE INTERNAL
ENH: Added option CMAKE_INSTALL_SO_NO_EXE on linux to choose whether the default permissions for shared libraries include the executable bit. This is necessary to support the conflicting policies of Debian and Fedora. These changes address bug#4805.
2007-04-10 19:22:15 +04:00
"Install .so files without execute permission.")
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | egrep -z -v 'Tests/CMakeTests/While-Endwhile-' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:50:14 +04:00
endif()
endif()
ENH: Added option CMAKE_INSTALL_SO_NO_EXE on linux to choose whether the default permissions for shared libraries include the executable bit. This is necessary to support the conflicting policies of Debian and Fedora. These changes address bug#4805.
2007-04-10 19:22:15 +04:00
Teach find_(library|package) about Linux multiarch (#12037) Implement support for multiarch as specified here: http://wiki.debian.org/Multiarch https://wiki.ubuntu.com/MultiarchSpec Detect the <arch> part of <prefix>/lib/<arch> from the implicit library search path from each compiler to set CMAKE_<lang>_LIBRARY_ARCHITECTURE. Define CMAKE_LIBRARY_ARCHITECTURE using one of these values (they should all be the same). Teach the find_library and find_package commands to search <prefix>/lib/<arch> whenever they would search <prefix>/lib.
2011-06-08 16:46:31 +04:00
# Match multiarch library directory names.
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
set(CMAKE_LIBRARY_ARCHITECTURE_REGEX "[a-z0-9_]+(-[a-z0-9_]+)?-linux-gnu[a-z0-9_]*")
Teach find_(library|package) about Linux multiarch (#12037) Implement support for multiarch as specified here: http://wiki.debian.org/Multiarch https://wiki.ubuntu.com/MultiarchSpec Detect the <arch> part of <prefix>/lib/<arch> from the implicit library search path from each compiler to set CMAKE_<lang>_LIBRARY_ARCHITECTURE. Define CMAKE_LIBRARY_ARCHITECTURE using one of these values (they should all be the same). Teach the find_library and find_package commands to search <prefix>/lib/<arch> whenever they would search <prefix>/lib.
2011-06-08 16:46:31 +04:00
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
include(Platform/UnixPaths)
ENH: Added global property FIND_LIBRARY_USE_LIB64_PATHS to allow lib64 paths to be searched optionally. Turn off the feature on debian systems. This addresses debian report 419007.
2007-06-27 20:07:34 +04:00
# Debian has lib64 paths only for compatibility so they should not be
# searched.
Linux: Ignore Debian-specific case when cross-compiling When constructing settings for the target environment during cross compiling we should not check for /etc/debian_version on the host.
2015-03-20 22:13:33 +03:00
if(NOT CMAKE_CROSSCOMPILING AND EXISTS "/etc/debian_version")
Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case. Run the following shell code: cmake --help-command-list | grep -v "cmake version" | while read c; do echo 's/\b'"$(echo $c | tr '[:lower:]' '[:upper:]')"'\(\s*\)(/'"$c"'\1(/g' done >convert.sed && git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' | egrep -z -v '^(Utilities/cm|Source/kwsys/)' | xargs -0 sed -i -f convert.sed && rm convert.sed
2012-08-13 21:47:32 +04:00
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS FALSE)
Remove CMake-language block-end command arguments Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Run the following shell code: for c in else endif endforeach endfunction endmacro endwhile; do echo 's/\b'"$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()