diff options
Diffstat (limited to 'Modules/GNUInstallDirs.cmake')
| -rw-r--r-- | Modules/GNUInstallDirs.cmake | 263 |
1 files changed, 137 insertions, 126 deletions
diff --git a/Modules/GNUInstallDirs.cmake b/Modules/GNUInstallDirs.cmake index 64bd09e68..f95e6e2c5 100644 --- a/Modules/GNUInstallDirs.cmake +++ b/Modules/GNUInstallDirs.cmake @@ -1,127 +1,131 @@ # Distributed under the OSI-approved BSD 3-Clause License. See accompanying # file Copyright.txt or https://cmake.org/licensing for details. -#.rst: -# GNUInstallDirs -# -------------- -# -# Define GNU standard installation directories -# -# Provides install directory variables as defined by the -# `GNU Coding Standards`_. -# -# .. _`GNU Coding Standards`: https://www.gnu.org/prep/standards/html_node/Directory-Variables.html -# -# Result Variables -# ^^^^^^^^^^^^^^^^ -# -# Inclusion of this module defines the following variables: -# -# ``CMAKE_INSTALL_<dir>`` -# -# Destination for files of a given type. This value may be passed to -# the ``DESTINATION`` options of :command:`install` commands for the -# corresponding file type. -# -# ``CMAKE_INSTALL_FULL_<dir>`` -# -# The absolute path generated from the corresponding ``CMAKE_INSTALL_<dir>`` -# value. If the value is not already an absolute path, an absolute path -# is constructed typically by prepending the value of the -# :variable:`CMAKE_INSTALL_PREFIX` variable. However, there are some -# `special cases`_ as documented below. -# -# where ``<dir>`` is one of: -# -# ``BINDIR`` -# user executables (``bin``) -# ``SBINDIR`` -# system admin executables (``sbin``) -# ``LIBEXECDIR`` -# program executables (``libexec``) -# ``SYSCONFDIR`` -# read-only single-machine data (``etc``) -# ``SHAREDSTATEDIR`` -# modifiable architecture-independent data (``com``) -# ``LOCALSTATEDIR`` -# modifiable single-machine data (``var``) -# ``RUNSTATEDIR`` -# run-time variable data (``LOCALSTATEDIR/run``) -# ``LIBDIR`` -# object code libraries (``lib`` or ``lib64`` -# or ``lib/<multiarch-tuple>`` on Debian) -# ``INCLUDEDIR`` -# C header files (``include``) -# ``OLDINCLUDEDIR`` -# C header files for non-gcc (``/usr/include``) -# ``DATAROOTDIR`` -# read-only architecture-independent data root (``share``) -# ``DATADIR`` -# read-only architecture-independent data (``DATAROOTDIR``) -# ``INFODIR`` -# info documentation (``DATAROOTDIR/info``) -# ``LOCALEDIR`` -# locale-dependent data (``DATAROOTDIR/locale``) -# ``MANDIR`` -# man documentation (``DATAROOTDIR/man``) -# ``DOCDIR`` -# documentation root (``DATAROOTDIR/doc/PROJECT_NAME``) -# -# If the includer does not define a value the above-shown default will be -# used and the value will appear in the cache for editing by the user. -# -# Special Cases -# ^^^^^^^^^^^^^ -# -# The following values of :variable:`CMAKE_INSTALL_PREFIX` are special: -# -# ``/`` -# -# For ``<dir>`` other than the ``SYSCONFDIR``, ``LOCALSTATEDIR`` and -# ``RUNSTATEDIR``, the value of ``CMAKE_INSTALL_<dir>`` is prefixed -# with ``usr/`` if it is not user-specified as an absolute path. -# For example, the ``INCLUDEDIR`` value ``include`` becomes ``usr/include``. -# This is required by the `GNU Coding Standards`_, which state: -# -# When building the complete GNU system, the prefix will be empty -# and ``/usr`` will be a symbolic link to ``/``. -# -# ``/usr`` -# -# For ``<dir>`` equal to ``SYSCONFDIR``, ``LOCALSTATEDIR`` or -# ``RUNSTATEDIR``, the ``CMAKE_INSTALL_FULL_<dir>`` is computed by -# prepending just ``/`` to the value of ``CMAKE_INSTALL_<dir>`` -# if it is not user-specified as an absolute path. -# For example, the ``SYSCONFDIR`` value ``etc`` becomes ``/etc``. -# This is required by the `GNU Coding Standards`_. -# -# ``/opt/...`` -# -# For ``<dir>`` equal to ``SYSCONFDIR``, ``LOCALSTATEDIR`` or -# ``RUNSTATEDIR``, the ``CMAKE_INSTALL_FULL_<dir>`` is computed by -# *appending* the prefix to the value of ``CMAKE_INSTALL_<dir>`` -# if it is not user-specified as an absolute path. -# For example, the ``SYSCONFDIR`` value ``etc`` becomes ``/etc/opt/...``. -# This is defined by the `Filesystem Hierarchy Standard`_. -# -# .. _`Filesystem Hierarchy Standard`: https://refspecs.linuxfoundation.org/FHS_3.0/fhs/index.html -# -# Macros -# ^^^^^^ -# -# .. command:: GNUInstallDirs_get_absolute_install_dir -# -# :: -# -# GNUInstallDirs_get_absolute_install_dir(absvar var) -# -# Set the given variable ``absvar`` to the absolute path contained -# within the variable ``var``. This is to allow the computation of an -# absolute path, accounting for all the special cases documented -# above. While this macro is used to compute the various -# ``CMAKE_INSTALL_FULL_<dir>`` variables, it is exposed publicly to -# allow users who create additional path variables to also compute -# absolute paths where necessary, using the same logic. +#[=======================================================================[.rst: +GNUInstallDirs +-------------- + +Define GNU standard installation directories + +Provides install directory variables as defined by the +`GNU Coding Standards`_. + +.. _`GNU Coding Standards`: https://www.gnu.org/prep/standards/html_node/Directory-Variables.html + +Result Variables +^^^^^^^^^^^^^^^^ + +Inclusion of this module defines the following variables: + +``CMAKE_INSTALL_<dir>`` + + Destination for files of a given type. This value may be passed to + the ``DESTINATION`` options of :command:`install` commands for the + corresponding file type. + +``CMAKE_INSTALL_FULL_<dir>`` + + The absolute path generated from the corresponding ``CMAKE_INSTALL_<dir>`` + value. If the value is not already an absolute path, an absolute path + is constructed typically by prepending the value of the + :variable:`CMAKE_INSTALL_PREFIX` variable. However, there are some + `special cases`_ as documented below. + +where ``<dir>`` is one of: + +``BINDIR`` + user executables (``bin``) +``SBINDIR`` + system admin executables (``sbin``) +``LIBEXECDIR`` + program executables (``libexec``) +``SYSCONFDIR`` + read-only single-machine data (``etc``) +``SHAREDSTATEDIR`` + modifiable architecture-independent data (``com``) +``LOCALSTATEDIR`` + modifiable single-machine data (``var``) +``RUNSTATEDIR`` + run-time variable data (``LOCALSTATEDIR/run``) +``LIBDIR`` + object code libraries (``lib`` or ``lib64`` + or ``lib/<multiarch-tuple>`` on Debian) +``INCLUDEDIR`` + C header files (``include``) +``OLDINCLUDEDIR`` + C header files for non-gcc (``/usr/include``) +``DATAROOTDIR`` + read-only architecture-independent data root (``share``) +``DATADIR`` + read-only architecture-independent data (``DATAROOTDIR``) +``INFODIR`` + info documentation (``DATAROOTDIR/info``) +``LOCALEDIR`` + locale-dependent data (``DATAROOTDIR/locale``) +``MANDIR`` + man documentation (``DATAROOTDIR/man``) +``DOCDIR`` + documentation root (``DATAROOTDIR/doc/PROJECT_NAME``) + +If the includer does not define a value the above-shown default will be +used and the value will appear in the cache for editing by the user. + +Special Cases +^^^^^^^^^^^^^ + +The following values of :variable:`CMAKE_INSTALL_PREFIX` are special: + +``/`` + + For ``<dir>`` other than the ``SYSCONFDIR``, ``LOCALSTATEDIR`` and + ``RUNSTATEDIR``, the value of ``CMAKE_INSTALL_<dir>`` is prefixed + with ``usr/`` if it is not user-specified as an absolute path. + For example, the ``INCLUDEDIR`` value ``include`` becomes ``usr/include``. + This is required by the `GNU Coding Standards`_, which state: + + When building the complete GNU system, the prefix will be empty + and ``/usr`` will be a symbolic link to ``/``. + +``/usr`` + + For ``<dir>`` equal to ``SYSCONFDIR``, ``LOCALSTATEDIR`` or + ``RUNSTATEDIR``, the ``CMAKE_INSTALL_FULL_<dir>`` is computed by + prepending just ``/`` to the value of ``CMAKE_INSTALL_<dir>`` + if it is not user-specified as an absolute path. + For example, the ``SYSCONFDIR`` value ``etc`` becomes ``/etc``. + This is required by the `GNU Coding Standards`_. + +``/opt/...`` + + For ``<dir>`` equal to ``SYSCONFDIR``, ``LOCALSTATEDIR`` or + ``RUNSTATEDIR``, the ``CMAKE_INSTALL_FULL_<dir>`` is computed by + *appending* the prefix to the value of ``CMAKE_INSTALL_<dir>`` + if it is not user-specified as an absolute path. + For example, the ``SYSCONFDIR`` value ``etc`` becomes ``/etc/opt/...``. + This is defined by the `Filesystem Hierarchy Standard`_. + +.. _`Filesystem Hierarchy Standard`: https://refspecs.linuxfoundation.org/FHS_3.0/fhs/index.html + +Macros +^^^^^^ + +.. command:: GNUInstallDirs_get_absolute_install_dir + + :: + + GNUInstallDirs_get_absolute_install_dir(absvar var) + + Set the given variable ``absvar`` to the absolute path contained + within the variable ``var``. This is to allow the computation of an + absolute path, accounting for all the special cases documented + above. While this macro is used to compute the various + ``CMAKE_INSTALL_FULL_<dir>`` variables, it is exposed publicly to + allow users who create additional path variables to also compute + absolute paths where necessary, using the same logic. +#]=======================================================================] + +cmake_policy(PUSH) +cmake_policy(SET CMP0054 NEW) # if() quoted variables not dereferenced # Convert a cache variable to PATH type @@ -202,7 +206,7 @@ if(NOT DEFINED CMAKE_INSTALL_LIBDIR OR (_libdir_set # - we are on Linux system but NOT cross-compiling # - we are NOT on debian # - we are on a 64 bits system - # reason is: amd64 ABI: http://www.x86-64.org/documentation/abi.pdf + # reason is: amd64 ABI: https://github.com/hjl-tools/x86-psABI/wiki/X86-psABI # For Debian with multiarch, use 'lib/${CMAKE_LIBRARY_ARCHITECTURE}' if # CMAKE_LIBRARY_ARCHITECTURE is set (which contains e.g. "i386-linux-gnu" # and CMAKE_INSTALL_PREFIX is "/usr" @@ -218,7 +222,8 @@ if(NOT DEFINED CMAKE_INSTALL_LIBDIR OR (_libdir_set # updated to the new default, unless the user explicitly changed it. endif() if(CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU)$" - AND NOT CMAKE_CROSSCOMPILING) + AND NOT CMAKE_CROSSCOMPILING + AND NOT EXISTS "/etc/arch-release") if (EXISTS "/etc/debian_version") # is this a debian system ? if(CMAKE_LIBRARY_ARCHITECTURE) if("${CMAKE_INSTALL_PREFIX}" MATCHES "^/usr/?$") @@ -273,14 +278,18 @@ _GNUInstallDirs_cache_path(CMAKE_INSTALL_DATAROOTDIR "share" _GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_DATADIR "${CMAKE_INSTALL_DATAROOTDIR}" "Read-only architecture-independent data (DATAROOTDIR)") -if(CMAKE_SYSTEM_NAME MATCHES "^(.*BSD|DragonFly)$") +if(CMAKE_SYSTEM_NAME MATCHES "^(([^kF].*)?BSD|DragonFly)$") _GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_INFODIR "info" "Info documentation (info)") - _GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_MANDIR "man" - "Man documentation (man)") else() _GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_INFODIR "${CMAKE_INSTALL_DATAROOTDIR}/info" "Info documentation (DATAROOTDIR/info)") +endif() + +if(CMAKE_SYSTEM_NAME MATCHES "^(([^k].*)?BSD|DragonFly)$") + _GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_MANDIR "man" + "Man documentation (man)") +else() _GNUInstallDirs_cache_path_fallback(CMAKE_INSTALL_MANDIR "${CMAKE_INSTALL_DATAROOTDIR}/man" "Man documentation (DATAROOTDIR/man)") endif() @@ -371,3 +380,5 @@ foreach(dir ) GNUInstallDirs_get_absolute_install_dir(CMAKE_INSTALL_FULL_${dir} CMAKE_INSTALL_${dir}) endforeach() + +cmake_policy(POP) |