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52 lines
2.4 KiB
52 lines
2.4 KiB
############################################################################ |
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# |
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# Copyright (c) 2019 PX4 Development Team. All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions |
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# are met: |
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# |
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# 1. Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# 2. Redistributions in binary form must reproduce the above copyright |
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# notice, this list of conditions and the following disclaimer in |
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# the documentation and/or other materials provided with the |
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# distribution. |
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# 3. Neither the name PX4 nor the names of its contributors may be |
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# used to endorse or promote products derived from this software |
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# without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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# POSSIBILITY OF SUCH DAMAGE. |
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# |
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############################################################################ |
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# ccache |
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option(CCACHE "Use ccache if available" ON) |
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find_program(CCACHE_PROGRAM ccache) |
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if(CCACHE AND CCACHE_PROGRAM AND NOT DEFINED ENV{CCACHE_DISABLE}) |
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get_filename_component(ccache_real_path ${CCACHE_PROGRAM} REALPATH) |
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get_filename_component(cxx_real_path ${CMAKE_CXX_COMPILER} REALPATH) |
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get_filename_component(cxx_abs_path ${CMAKE_CXX_COMPILER} ABSOLUTE) |
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if ("${ccache_real_path}" STREQUAL "${cxx_real_path}") |
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message(STATUS "ccache enabled via symlink (${cxx_abs_path} -> ${cxx_real_path})") |
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set(CCACHE_PROGRAM "" CACHE INTERNAL "ccache program" FORCE) |
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else() |
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message(STATUS "ccache enabled (export CCACHE_DISABLE=1 to disable)") |
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}") |
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endif() |
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else() |
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set(CCACHE_PROGRAM "" CACHE INTERNAL "ccache program" FORCE) |
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endif()
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