diff options
| author | Stephen Kelly <steveire@gmail.com> | 2013-11-27 13:43:52 +0100 |
|---|---|---|
| committer | Stephen Kelly <steveire@gmail.com> | 2013-12-13 16:14:02 +0100 |
| commit | 20cafa2e1faff577143eb56d14e5c3998cb7d6a9 (patch) | |
| tree | ee6f37c3dbebde1bdad318ee503ed5214fb9a561 /Modules/CMakeFindDependencyMacro.cmake | |
| parent | d05e0aa845a99d2a04f61578ba9882ba9a2949c4 (diff) | |
| download | cmake-20cafa2e1faff577143eb56d14e5c3998cb7d6a9.tar.gz | |
Split the find_dependency macro into a separate file.
This allows Config file authors to use it without having to use
CONFIGURE_PACKAGE_CONFIG_FILE.
Diffstat (limited to 'Modules/CMakeFindDependencyMacro.cmake')
| -rw-r--r-- | Modules/CMakeFindDependencyMacro.cmake | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Modules/CMakeFindDependencyMacro.cmake b/Modules/CMakeFindDependencyMacro.cmake new file mode 100644 index 0000000000..596c6fc937 --- /dev/null +++ b/Modules/CMakeFindDependencyMacro.cmake @@ -0,0 +1,58 @@ +#.rst: +# CMakeFindDependencyMacro +# ------------------------- +# +# :: +# +# find_dependency(<dep> [<version>]) +# +# +# ``find_dependency()`` wraps a :command:`find_package` call for a package +# dependency. It is designed to be used in a <package>Config.cmake file, and it +# forwards the correct parameters for EXACT, QUIET and REQUIRED which were +# passed to the original :command:`find_package` call. It also sets an +# informative diagnostic message if the dependency could not be found. +# + +#============================================================================= +# Copyright 2013 Stephen Kelly <steveire@gmail.com> +# +# 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. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +macro(find_dependency dep) + if (NOT ${dep}_FOUND) + if (${ARGV1}) + set(version ${ARGV1}) + endif() + set(exact_arg) + if(${CMAKE_FIND_PACKAGE_NAME}_FIND_VERSION_EXACT) + set(exact_arg EXACT) + endif() + set(quiet_arg) + if(${CMAKE_FIND_PACKAGE_NAME}_FIND_QUIETLY) + set(quiet_arg QUIET) + endif() + set(required_arg) + if(${CMAKE_FIND_PACKAGE_NAME}_FIND_REQUIRED) + set(required_arg REQUIRED) + endif() + + find_package(${dep} ${version} ${exact_arg} ${quiet_arg} ${required_arg}) + if (NOT ${dep}_FOUND) + set(${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE "${CMAKE_FIND_PACKAGE_NAME} could not be found because dependency ${dep} could not be found.") + set(${CMAKE_FIND_PACKAGE_NAME}_FOUND False) + return() + endif() + set(required_arg) + set(quiet_arg) + set(exact_arg) + endif() +endmacro() |