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cmake: add support for sccache

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This commit is contained in:
jpk68
2026-05-13 09:53:23 -04:00
committed by selsta
parent 19a537b050
commit 1f848bf655
6 changed files with 23 additions and 75 deletions
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cmake/FindCcache.cmake
-67
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@@ -1,67 +0,0 @@
# Copyright (c) 2014-2024, The Monero Project
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are
# permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other
# materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be
# used to endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# - Try to find readline include dirs and libraries
#
# Automatically finds ccache build accelerator, if it's found in PATH.
#
# Usage of this module as follows:
#
# project(monero)
# include(FindCcache) # Include AFTER the project() macro to be able to reach the CMAKE_CXX_COMPILER variable
#
# Properties modified by this module:
#
# GLOBAL PROPERTY RULE_LAUNCH_COMPILE set to ccache, when ccache found
# GLOBAL PROPERTY RULE_LAUNCH_LINK set to ccache, when ccache found
find_program(CCACHE_FOUND ccache)
if (CCACHE_FOUND)
# Try to compile a test program with ccache, in order to verify if it really works. (needed on exotic setups)
set(TEST_PROJECT "${CMAKE_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/CMakeTmp")
file(WRITE "${TEST_PROJECT}/CMakeLists.txt" [=[
cmake_minimum_required(VERSION 3.10)
project(test)
option (CCACHE "")
file(WRITE "${CMAKE_SOURCE_DIR}/test.cpp" "int main() { return 0; }")
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE}")
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE}")
add_executable(main test.cpp)
]=])
try_compile(RET "${TEST_PROJECT}/build" "${TEST_PROJECT}" "test" CMAKE_FLAGS -DCCACHE="${CCACHE_FOUND}")
unset(TEST_PROJECT)
if (${RET})
# Success
message(STATUS "Found usable ccache: ${CCACHE_FOUND}")
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_FOUND}")
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE_FOUND}")
else()
message(STATUS "Found ccache ${CCACHE_FOUND}, but is UNUSABLE! Return code: ${RET}")
endif()
else()
message(STATUS "ccache NOT found! Please install it for faster rebuilds.")
endif()