Gentoo Development Guide

CMAKE-UTILS.ECLASS

Section: portage (5)
Updated: Apr 2014
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NAME

cmake-utils.eclass - common ebuild functions for cmake-based packages

DESCRIPTION

The cmake-utils eclass makes creating ebuilds for cmake-based packages much easier. It provides all inherited features (DOCS, HTML_DOCS, PATCHES) along with out-of-source builds (default), in-source builds and an implementation of the well-known use_enable and use_with functions for CMake.

FUNCTIONS

cmake-utils_use_with <USE flag> [flag name]

Based on use_with. See ebuild(5).

`cmake-utils_use_with foo FOO` echoes -DWITH_FOO=ON if foo is enabled and -DWITH_FOO=OFF if it is disabled.

cmake-utils_use_enable <USE flag> [flag name]

Based on use_enable. See ebuild(5).

`cmake-utils_use_enable foo FOO` echoes -DENABLE_FOO=ON if foo is enabled and -DENABLE_FOO=OFF if it is disabled.

cmake-utils_use_find_package <USE flag> [flag name]

Based on use_enable. See ebuild(5).

`cmake-utils_use_find_package foo LibFoo` echoes -DCMAKE_DISABLE_FIND_PACKAGE_LibFoo=OFF if foo is enabled and -DCMAKE_DISABLE_FIND_PACKAGE_LibFoo=ON if it is disabled. This can be used to make find_package optional (since cmake-2.8.6).

cmake-utils_use_disable <USE flag> [flag name]

Based on inversion of use_enable. See ebuild(5).

`cmake-utils_use_enable foo FOO` echoes -DDISABLE_FOO=OFF if foo is enabled and -DDISABLE_FOO=ON if it is disabled.

cmake-utils_use_no <USE flag> [flag name]

Based on use_disable. See ebuild(5).

`cmake-utils_use_no foo FOO` echoes -DNO_FOO=OFF if foo is enabled and -DNO_FOO=ON if it is disabled.

cmake-utils_use_want <USE flag> [flag name]

Based on use_enable. See ebuild(5).

`cmake-utils_use_want foo FOO` echoes -DWANT_FOO=ON if foo is enabled and -DWANT_FOO=OFF if it is disabled.

cmake-utils_use_build <USE flag> [flag name]

Based on use_enable. See ebuild(5).

`cmake-utils_use_build foo FOO` echoes -DBUILD_FOO=ON if foo is enabled and -DBUILD_FOO=OFF if it is disabled.

cmake-utils_use_has <USE flag> [flag name]

Based on use_enable. See ebuild(5).

`cmake-utils_use_has foo FOO` echoes -DHAVE_FOO=ON if foo is enabled and -DHAVE_FOO=OFF if it is disabled.

cmake-utils_use_use <USE flag> [flag name]

Based on use_enable. See ebuild(5).

`cmake-utils_use_use foo FOO` echoes -DUSE_FOO=ON if foo is enabled and -DUSE_FOO=OFF if it is disabled.

cmake-utils_use <USE flag> [flag name]

Based on use_enable. See ebuild(5).

`cmake-utils_use foo FOO` echoes -DFOO=ON if foo is enabled and -DFOO=OFF if it is disabled.

cmake-utils_useno <USE flag> [flag name]

Based on use_enable. See ebuild(5).

`cmake-utils_useno foo NOFOO` echoes -DNOFOO=OFF if foo is enabled and -DNOFOO=ON if it is disabled.

mycmakeargs

Optional cmake defines as a bash array. Should be defined before calling src_configure.

src_configure() {
        local mycmakeargs=(
                $(cmake-utils_use_with openconnect)
        )
        cmake-utils_src_configure
}
cmake-utils_src_make 
Function for building the package. Automatically detects the build type.
All arguments are passed to emake.
cmake-utils_src_prepare 
Apply ebuild and user patches.
cmake-utils_src_configure 
General function for configuring with cmake. Default behaviour is to start an
out-of-source build.
cmake-utils_src_compile 
General function for compiling with cmake. Default behaviour is to check for
EAPI and respectively to configure as well or just compile.
Automatically detects the build type. All arguments are passed to emake.
cmake-utils_src_install 
Function for installing the package. Automatically detects the build type.
cmake-utils_src_test 
Function for testing the package. Automatically detects the build type.

ECLASS VARIABLES

WANT_CMAKE = "${WANT_CMAKE:-always}": Specify if cmake-utils eclass should depend on cmake optionaly or not. This is usefull when only part of aplication is using cmake build system. Valid values are: always [default], optional (where the value is the useflag used for optionality)
CMAKE_MIN_VERSION = "${CMAKE_MIN_VERSION:-2.8.9}": Specify the minimum required CMake version.
CMAKE_REMOVE_MODULES_LIST = "${CMAKE_REMOVE_MODULES_LIST:-FindBLAS FindLAPACK}": Space-separated list of CMake modules that will be removed in $S during src_prepare, in order to force packages to use the system version.
CMAKE_REMOVE_MODULES = "${CMAKE_REMOVE_MODULES:-yes}": Do we want to remove anything? yes or whatever else for no
CMAKE_MAKEFILE_GENERATOR = "${CMAKE_MAKEFILE_GENERATOR:-emake}": Specify a makefile generator to be used by cmake. At this point only "emake" and "ninja" are supported.
CMAKE_WARN_UNUSED_CLI = "${CMAKE_WARN_UNUSED_CLI:-no}": Warn about variables that are declared on the command line but not used. Might give false-positives. "no" to disable (default) or anything else to enable.
BUILD_DIR: Build directory where all cmake processed files should be generated. For in-source build it's fixed to ${CMAKE_USE_DIR}. For out-of-source build it can be overriden, by default it uses ${WORKDIR}/${P}_build.
This variable has been called CMAKE_BUILD_DIR formerly. It is set under that name for compatibility.
CMAKE_BUILD_TYPE ?= Gentoo: Set to override default CMAKE_BUILD_TYPE. Only useful for packages known to make use of "if (CMAKE_BUILD_TYPE MATCHES xxx)". If about to be set - needs to be set before invoking cmake-utils_src_configure. You usualy do *NOT* want nor need to set it as it pulls CMake default build-type specific compiler flags overriding make.conf.
CMAKE_IN_SOURCE_BUILD: Set to enable in-source build.
CMAKE_USE_DIR: Sets the directory where we are working with cmake. For example when application uses autotools and only one plugin needs to be done by cmake. By default it uses ${S}.
CMAKE_VERBOSE ?= ON: Set to OFF to disable verbose messages during compilation
PREFIX ?= /usr: Eclass respects PREFIX variable, though it's not recommended way to set install/lib/bin prefixes. Use -DCMAKE_INSTALL_PREFIX=... CMake variable instead.
CMAKE_BINARY ?= cmake: Eclass can use different cmake binary than the one provided in by system.

AUTHORS

Tomáš Chvátal <scarabeus@gentoo.org>
Maciej Mrozowski <reavertm@gentoo.org>
(undisclosed contributors)
Original author: Zephyrus (zephyrus@mirach.it)

MAINTAINERS

kde@gentoo.org

REPORTING BUGS

Please report bugs via http://bugs.gentoo.org/

FILES

/usr/portage/eclass/cmake-utils.eclass

This document was created by man2html, using the manual pages.
Time: 03:25:11 GMT, April 24, 2014

Gentoo Development Guide

CMAKE-UTILS.ECLASS

NAME

DESCRIPTION

FUNCTIONS

ECLASS VARIABLES

AUTHORS

MAINTAINERS

REPORTING BUGS

FILES

SEE ALSO

Index