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68 lines
3.1 KiB
CMake
68 lines
3.1 KiB
CMake
# Copyright (c) 2014-2020, The Monero Project
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification, are
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# permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this list of
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# conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice, this list
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# of conditions and the following disclaimer in the documentation and/or other
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# materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its contributors may be
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# used to endorse or promote products derived from this software without specific
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# prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# - Try to find readline include dirs and libraries
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#
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# Automatically finds ccache build accelerator, if it's found in PATH.
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#
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# Usage of this module as follows:
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#
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# project(monero)
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# include(FindCcache) # Include AFTER the project() macro to be able to reach the CMAKE_CXX_COMPILER variable
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#
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# Properties modified by this module:
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#
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# GLOBAL PROPERTY RULE_LAUNCH_COMPILE set to ccache, when ccache found
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# GLOBAL PROPERTY RULE_LAUNCH_LINK set to ccache, when ccache found
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find_program(CCACHE_FOUND ccache)
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if (CCACHE_FOUND)
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# Try to compile a test program with ccache, in order to verify if it really works. (needed on exotic setups)
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set(TEST_PROJECT "${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp")
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file(WRITE "${TEST_PROJECT}/CMakeLists.txt" [=[
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cmake_minimum_required(VERSION 3.1)
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project(test)
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option (CCACHE "")
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file(WRITE "${CMAKE_SOURCE_DIR}/test.cpp" "int main() { return 0; }")
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE}")
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set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE}")
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add_executable(test test.cpp)
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]=])
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try_compile(RET "${TEST_PROJECT}/build" "${TEST_PROJECT}" "test" CMAKE_FLAGS -DCCACHE="${CCACHE_FOUND}")
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unset(TEST_PROJECT)
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if (${RET})
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# Success
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message(STATUS "Found usable ccache: ${CCACHE_FOUND}")
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_FOUND}")
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set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE_FOUND}")
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else()
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message(STATUS "Found ccache ${CCACHE_FOUND}, but is UNUSABLE! Return code: ${RET}")
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endif()
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else()
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message(STATUS "ccache NOT found! Please install it for faster rebuilds.")
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endif()
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