# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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Findolm
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-------
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Find or build the olm executable.
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Imported Targets
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^^^^^^^^^^^^^^^^
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This module provides the following imported targets, if found:
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``license_generator::olm``
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The olm executable
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If olm is not found this module will try to download it as a submodule
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Git must be installed.
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Input variables
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^^^^^^^^^^^^^^^^
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``OLM_LOCATION`` Hint for locating the olm executable
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Result Variables
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^^^^^^^^^^^^^^^^
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This will define the following variables:
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``OLM_FOUND``
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True if the system has the Foo library.
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``olm_VERSION``
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Cache Variables
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^^^^^^^^^^^^^^^
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The following cache variables may also be set:
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``OLM_EXECUTABLE``
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Path to the olm executable.
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#]=======================================================================]
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set(olm_names olm olm.exe)
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set (failure_messge "Error finding olm executable.")
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find_package(PkgConfig)
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if(OLM_LOCATION)
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# First search the PATH and specific locations.
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find_program(OLM_EXECUTABLE
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NAMES ${olm_names} HINTS ${OLM_LOCATION} DOC "olm command line client")
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(olm FOUND_VAR OLM_FOUND
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REQUIRED_VARS OLM_EXECUTABLE
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FAIL_MESSAGE "Error finding olm executable. variable OLM_LOCATION non set correctly.")
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add_executable(license_generator::olm IMPORTED GLOBAL)
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set_property(TARGET license_generator::olm PROPERTY IMPORTED_LOCATION ${OLM_EXECUTABLE})
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ELSE(OLM_LOCATION)
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find_package(olm REQUIRED NO_CMAKE_PATH) #try to find it without looping on this module
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IF(NOT olm_FOUND)
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find_package(Git QUIET)
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if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
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# Update submodules as needed
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option(GIT_SUBMODULE "Check submodules during build" ON)
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if(GIT_SUBMODULE)
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message(STATUS "Submodule update")
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# execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
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# WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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# RESULT_VARIABLE GIT_SUBMOD_RESULT)
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if(NOT GIT_SUBMOD_RESULT EQUAL "0")
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set(failure_messge "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
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endif()
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endif()
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endif()
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if(NOT EXISTS "${PROJECT_SOURCE_DIR}/extern/license-generator/CMakeLists.txt")
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set(failure_messge "All the options to find olm executable failed. And i can't compile one from source GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
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endif()
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add_subdirectory("${PROJECT_SOURCE_DIR}/extern/license-generator")
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ENDIF(NOT olm_FOUND)
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ENDIF(OLM_LOCATION)
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