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cmake: support ccache with Xcode generator

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This commit is contained in:
Alexander Alekhin 2021-01-15 19:25:55 +00:00
parent 68fb8dd873
commit 8215380336
5 changed files with 54 additions and 8 deletions
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2
CMakeLists.txt
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@ -477,7 +477,7 @@ OCV_OPTION(INSTALL_TESTS "Install accuracy and performance test binar
# OpenCV build options
# ===================================================
OCV_OPTION(ENABLE_CCACHE "Use ccache" (UNIX AND NOT IOS AND (CMAKE_GENERATOR MATCHES "Makefile" OR CMAKE_GENERATOR MATCHES "Ninja")) )
OCV_OPTION(ENABLE_CCACHE "Use ccache" (UNIX AND (CMAKE_GENERATOR MATCHES "Makefile" OR CMAKE_GENERATOR MATCHES "Ninja" OR CMAKE_GENERATOR MATCHES "Xcode")) )
OCV_OPTION(ENABLE_PRECOMPILED_HEADERS "Use precompiled headers" MSVC IF (MSVC OR (NOT IOS AND NOT CMAKE_CROSSCOMPILING) ) )
OCV_OPTION(ENABLE_SOLUTION_FOLDERS "Solution folder in Visual Studio or in other IDEs" (MSVC_IDE OR CMAKE_GENERATOR MATCHES Xcode) )
OCV_OPTION(ENABLE_PROFILING "Enable profiling in the GCC compiler (Add flags: -g -pg)" OFF IF CV_GCC )

18
cmake/OpenCVCompilerOptions.cmake
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@ -8,13 +8,27 @@ function(access_CMAKE_COMPILER_IS_CCACHE)
endif()
endfunction()
variable_watch(CMAKE_COMPILER_IS_CCACHE access_CMAKE_COMPILER_IS_CCACHE)
if(ENABLE_CCACHE AND NOT OPENCV_COMPILER_IS_CCACHE AND NOT CMAKE_GENERATOR MATCHES "Xcode")
if(ENABLE_CCACHE AND NOT OPENCV_COMPILER_IS_CCACHE)
# This works fine with Unix Makefiles and Ninja generators
find_host_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
message(STATUS "Looking for ccache - found (${CCACHE_PROGRAM})")
get_property(__OLD_RULE_LAUNCH_COMPILE GLOBAL PROPERTY RULE_LAUNCH_COMPILE)
if(__OLD_RULE_LAUNCH_COMPILE)
if(CMAKE_GENERATOR MATCHES "Xcode")
configure_file("${CMAKE_CURRENT_LIST_DIR}/templates/xcode-launch-c.in" "${CMAKE_BINARY_DIR}/xcode-launch-c")
configure_file("${CMAKE_CURRENT_LIST_DIR}/templates/xcode-launch-cxx.in" "${CMAKE_BINARY_DIR}/xcode-launch-cxx")
execute_process(COMMAND chmod a+rx
"${CMAKE_BINARY_DIR}/xcode-launch-c"
"${CMAKE_BINARY_DIR}/xcode-launch-cxx"
)
# Xcode project attributes
set(CMAKE_XCODE_ATTRIBUTE_CC "${CMAKE_BINARY_DIR}/xcode-launch-c")
set(CMAKE_XCODE_ATTRIBUTE_CXX "${CMAKE_BINARY_DIR}/xcode-launch-cxx")
set(CMAKE_XCODE_ATTRIBUTE_LD "${CMAKE_BINARY_DIR}/xcode-launch-c")
set(CMAKE_XCODE_ATTRIBUTE_LDPLUSPLUS "${CMAKE_BINARY_DIR}/xcode-launch-cxx")
set(OPENCV_COMPILER_IS_CCACHE 1)
message(STATUS "ccache: enable support through Xcode project properties")
elseif(__OLD_RULE_LAUNCH_COMPILE)
message(STATUS "Can't replace CMake compiler launcher")
else()
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")

11
cmake/templates/xcode-launch-c.in Normal file
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@ -0,0 +1,11 @@
#!/bin/sh
# https://crascit.com/2016/04/09/using-ccache-with-cmake/
# Xcode generator doesn't include the compiler as the
# first argument, Ninja and Makefiles do. Handle both cases.
if [[ "$1" = "${CMAKE_C_COMPILER}" ]] ; then
shift
fi
export CCACHE_CPP2=true
exec "${CCACHE_PROGRAM}" "${CMAKE_C_COMPILER}" "$@"

11
cmake/templates/xcode-launch-cxx.in Normal file
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@ -0,0 +1,11 @@
#!/bin/sh
# https://crascit.com/2016/04/09/using-ccache-with-cmake/
# Xcode generator doesn't include the compiler as the
# first argument, Ninja and Makefiles do. Handle both cases.
if [[ "$1" = "${CMAKE_CXX_COMPILER}" ]] ; then
shift
fi
export CCACHE_CPP2=true
exec "${CCACHE_PROGRAM}" "${CMAKE_CXX_COMPILER}" "$@"

20
platforms/ios/cmake/Toolchains/common-ios-toolchain.cmake
View File

@ -160,10 +160,20 @@ set(CMAKE_CXX_COMPILER_ABI ELF)
set(CMAKE_CXX_COMPILER_WORKS TRUE)
set(CMAKE_C_COMPILER_WORKS TRUE)
# Search for programs in the build host directories
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
# for libraries and headers in the target directories
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
if(NOT CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_PROGRAM)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
endif()
toolchain_save_config(IOS_ARCH IPHONEOS_DEPLOYMENT_TARGET)