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# SPDX-FileCopyrightText: Copyright 2025 crueter
# SPDX-License-Identifier: LGPL-3.0-or-later
## UseCcache ##
# Adds an option to enable CCache and uses it if provided.
# Also does some debug info downgrading to make it easier.
# Credit to DraVee for his work on this
option(USE_CCACHE "Use ccache for compilation" OFF)
set(CCACHE_PATH "ccache" CACHE STRING "Path to ccache binary")
if(USE_CCACHE)
find_program(CCACHE_BINARY ${CCACHE_PATH})
if(CCACHE_BINARY)
message(STATUS "[UseCcache] Found ccache at: ${CCACHE_BINARY}")
set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE_BINARY})
set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_BINARY})
else()
message(FATAL_ERROR "[UseCcache] USE_CCACHE enabled, but no "
"executable found at: ${CCACHE_PATH}")
endif()
# Follow SCCache recommendations:
# <https://github.com/mozilla/sccache/blob/main/README.md?plain=1#L144>
if(WIN32)
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG}")
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_DEBUG
"${CMAKE_C_FLAGS_DEBUG}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO
"${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELWITHDEBINFO
"${CMAKE_C_FLAGS_RELWITHDEBINFO}")
endif()
endif()
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