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Add optional ccache support to speed up rebuilds #64

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Merged
jakoch merged 1 commit into from
Jun 3, 2026
Merged

Add optional ccache support to speed up rebuilds #64

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18 changes: 18 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -89,9 +89,26 @@ option(ENABLE_SDL "Enable the FifeGUI SDL extension" ON)
option(FIFEGUI_TESTS "Build the FifeGUI tests" ON)
option(FIFEGUI_EXAMPLES "Build the FifeGUI examples" ON)

option(USE_CCACHE "Use ccache to speed up rebuilds" ON)

# Reminder: The variable USE_VCPKG exist, which controls SetupVcpkg.
# It is not a build option, because it must be set before project().

#------------------------------------------------------------------------------
# ccache (compiler cache)
#------------------------------------------------------------------------------

# Route the compiler through ccache when present to speed up rebuilds.
# Honoured by the Makefile and Ninja generators; ignored by Visual Studio.
# To clear the cache manually, run: ccache -C (and `ccache -s` for stats).
if(USE_CCACHE)
find_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
endif()
endif()

#------------------------------------------------------------------------------
# Default build type
#------------------------------------------------------------------------------
Expand Down Expand Up @@ -122,6 +139,7 @@ message(STATUS "[INFO] Enable OpenGL extension -> '${ENABLE_OPENGL}'.")
message(STATUS "[INFO] Enable SDL extension -> '${ENABLE_SDL}'.")
message(STATUS "[INFO] Build tests -> '${FIFEGUI_TESTS}'.")
message(STATUS "[INFO] Build examples -> '${FIFEGUI_EXAMPLES}'.")
message(STATUS "[INFO] ccache -> '${CMAKE_CXX_COMPILER_LAUNCHER}'.")
message(STATUS "")
message(STATUS "[INFO] Compiler -> '${CMAKE_CXX_COMPILER}'")
message(STATUS "[INFO] Compiler ID -> '${CMAKE_CXX_COMPILER_ID}'")
Expand Down
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