mxwcore-legion/cmake/macros/CheckBuildDir.cmake

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CMake
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2023-11-05 15:26:19 -05:00
# Copyright (C) 2008-2012 Trinity <http://www.trinitycore.org/>
#
# This file is free software; as a special exception the author gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Force out-of-source build
#
string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" BUILDING_IN_SOURCE)
if( BUILDING_IN_SOURCE )
message(FATAL_ERROR "
This project requires an out of source build. Remove the file 'CMakeCache.txt'
found in this directory before continuing, create a separate build directory
and run 'cmake path_to_project [options]' from there.
")
endif()