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refactor(ccache): Enable by default

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Following [1] to get to this setup.

We setup all the ccache configuration before calling project() because
project will perform compiler checks. This is also why we can't use
message_colored here and print the colors manually

Before ENABLE_CCACHE was not yet defined when we reached the check in
01-core because the option was defined in 02-opts

[1] https://crascit.com/2016/04/09/using-ccache-with-cmake/
This commit is contained in:
patrick96 2018-05-12 16:29:14 +02:00 committed by NBonaparte
parent b70d5b55d8
commit b5129ae0c4
3 changed files with 18 additions and 8 deletions
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17
CMakeLists.txt
View File

@ -3,6 +3,23 @@
# #
cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR) cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
# Enable ccache by default and as early as possible because project() performs
# checks on the compiler
option(ENABLE_CCACHE "Enable ccache support" ON)
if(ENABLE_CCACHE)
message(STATUS "Trying to enable ccache")
find_program(BIN_CCACHE ccache)
string(ASCII 27 esc)
if(NOT BIN_CCACHE)
message(STATUS "${esc}[33mCouldn't locate ccache, disabling ccache...${esc}[0m")
else()
# Enable only if the binary is found
message(STATUS "${esc}[32mUsing compiler cache ${BIN_CCACHE}${esc}[0m")
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${BIN_CCACHE})
endif()
endif()
project(polybar C CXX) project(polybar C CXX)
set(CMAKE_MODULE_PATH set(CMAKE_MODULE_PATH

8
cmake/01-core.cmake
View File

@ -37,7 +37,7 @@ if (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
# libinotify uses c99 extension, so suppress this error # libinotify uses c99 extension, so suppress this error
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-c99-extensions") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-c99-extensions")
# Ensures that libraries from dependencies in LOCALBASE are used # Ensures that libraries from dependencies in LOCALBASE are used
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/local/lib") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/local/lib")
endif() endif()
if(${CMAKE_CXX_COMPILER_ID} STREQUAL Clang) if(${CMAKE_CXX_COMPILER_ID} STREQUAL Clang)
@ -81,12 +81,6 @@ elseif(CXXLIB_GCC)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lstdc++") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lstdc++")
endif() endif()
if(ENABLE_CCACHE)
querybin(ccache)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${BINPATH_ccache})
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ${BINPATH_ccache})
endif()
# Install paths # Install paths
if(NOT DEFINED CMAKE_INSTALL_BINDIR) if(NOT DEFINED CMAKE_INSTALL_BINDIR)
set(CMAKE_INSTALL_BINDIR bin) set(CMAKE_INSTALL_BINDIR bin)

1
cmake/02-opts.cmake
View File

@ -23,7 +23,6 @@ option(CXXLIB_GCC "Link against stdlibc++" OFF)
option(BUILD_IPC_MSG "Build ipc messager" ON) option(BUILD_IPC_MSG "Build ipc messager" ON)
option(BUILD_TESTS "Build testsuite" OFF) option(BUILD_TESTS "Build testsuite" OFF)
option(ENABLE_CCACHE "Enable ccache support" OFF)
option(ENABLE_ALSA "Enable alsa support" ON) option(ENABLE_ALSA "Enable alsa support" ON)
option(ENABLE_CURL "Enable curl support" ON) option(ENABLE_CURL "Enable curl support" ON)
option(ENABLE_I3 "Enable i3 support" ON) option(ENABLE_I3 "Enable i3 support" ON)