Rename our allwpilib (which is now 2020) to not have 2019 in the name
Change-Id: I3c07f85ed32ab8b97db765a9b43f2a6ce7da964a
diff --git a/cmake/modules/AddTest.cmake b/cmake/modules/AddTest.cmake
new file mode 100644
index 0000000..c8ef579
--- /dev/null
+++ b/cmake/modules/AddTest.cmake
@@ -0,0 +1,14 @@
+include(CompileWarnings)
+
+macro(wpilib_add_test name srcdir)
+ file(GLOB_RECURSE test_src ${srcdir}/*.cpp)
+ add_executable(${name}_test ${test_src})
+ wpilib_target_warnings(${name}_test)
+ if (BUILD_SHARED_LIBS)
+ target_compile_definitions(${name}_test PRIVATE -DGTEST_LINKED_AS_SHARED_LIBRARY)
+ endif()
+ if (MSVC)
+ target_compile_options(${name}_test PRIVATE /wd4251 /wd4101)
+ endif()
+ add_test(NAME ${name} COMMAND ${name}_test)
+endmacro()
diff --git a/cmake/modules/CompileWarnings.cmake b/cmake/modules/CompileWarnings.cmake
new file mode 100644
index 0000000..0eb9733
--- /dev/null
+++ b/cmake/modules/CompileWarnings.cmake
@@ -0,0 +1,7 @@
+macro(wpilib_target_warnings target)
+ if(NOT MSVC)
+ target_compile_options(${target} PRIVATE -Wall -pedantic -Wextra -Werror -Wno-unused-parameter -Wno-error=deprecated-declarations)
+ else()
+ target_compile_options(${target} PRIVATE /wd4244 /wd4267 /wd4146 /WX /wd4996)
+ endif()
+endmacro()
diff --git a/cmake/modules/GenResources.cmake b/cmake/modules/GenResources.cmake
new file mode 100644
index 0000000..06d34a3
--- /dev/null
+++ b/cmake/modules/GenResources.cmake
@@ -0,0 +1,26 @@
+set(SCRIPTS_DIR "${CMAKE_CURRENT_LIST_DIR}/../scripts")
+MACRO(GENERATE_RESOURCES inputDir outputDir prefix namespace outputFiles)
+ FILE(GLOB inputFiles ${inputDir}/*)
+ SET(${outputFiles})
+ FOREACH(input ${inputFiles})
+ GET_FILENAME_COMPONENT(inputBase ${input} NAME)
+ IF("${inputBase}" MATCHES "^\\.")
+ CONTINUE()
+ ENDIF()
+ SET(output "${outputDir}/${inputBase}.cpp")
+ LIST(APPEND ${outputFiles} "${output}")
+
+ ADD_CUSTOM_COMMAND(
+ OUTPUT ${output}
+ COMMAND ${CMAKE_COMMAND}
+ "-Dinput=${input}"
+ "-Doutput=${output}"
+ "-Dprefix=${prefix}"
+ "-Dnamespace=${namespace}"
+ -P "${SCRIPTS_DIR}/GenResource.cmake"
+ MAIN_DEPENDENCY ${input}
+ DEPENDS ${SCRIPTS_DIR}/GenResource.cmake
+ VERBATIM
+ )
+ ENDFOREACH()
+ENDMACRO()
diff --git a/cmake/modules/SubDirList.cmake b/cmake/modules/SubDirList.cmake
new file mode 100644
index 0000000..b67160e
--- /dev/null
+++ b/cmake/modules/SubDirList.cmake
@@ -0,0 +1,17 @@
+MACRO(SUBDIR_LIST result curdir)
+ FILE(GLOB children RELATIVE ${curdir} ${curdir}/*)
+ SET(dirlist "")
+ FOREACH(child ${children})
+ IF(IS_DIRECTORY ${curdir}/${child})
+ LIST(APPEND dirlist ${child})
+ ENDIF()
+ ENDFOREACH()
+ SET(${result} ${dirlist})
+ENDMACRO()
+
+MACRO(ADD_ALL_SUBDIRECTORIES curdir)
+ SUBDIR_LIST (_SUBPROJECTS ${curdir})
+ FOREACH (dir ${_SUBPROJECTS})
+ ADD_SUBDIRECTORY (${dir})
+ ENDFOREACH ()
+ENDMACRO()
diff --git a/cmake/scripts/GenResource.cmake b/cmake/scripts/GenResource.cmake
new file mode 100644
index 0000000..d28e564
--- /dev/null
+++ b/cmake/scripts/GenResource.cmake
@@ -0,0 +1,23 @@
+# Parameters: input output prefix namespace
+FILE(READ ${input} fileHex HEX)
+STRING(LENGTH "${fileHex}" fileHexSize)
+MATH(EXPR fileSize "${fileHexSize} / 2")
+
+GET_FILENAME_COMPONENT(inputBase ${input} NAME)
+STRING(REGEX REPLACE "[^a-zA-Z0-9]" "_" funcName "${inputBase}")
+SET(funcName "GetResource_${funcName}")
+
+FILE(WRITE "${output}" "#include <stddef.h>\n#include <wpi/StringRef.h>\nextern \"C\" {\nstatic const unsigned char contents[] = {")
+
+STRING(REGEX MATCHALL ".." outputData "${fileHex}")
+STRING(REGEX REPLACE ";" ", 0x" outputData "${outputData}")
+FILE(APPEND "${output}" " 0x${outputData} };\n")
+FILE(APPEND "${output}" "const unsigned char* ${prefix}${funcName}(size_t* len) {\n *len = ${fileSize};\n return contents;\n}\n}\n")
+
+IF(NOT namespace STREQUAL "")
+ FILE(APPEND "${output}" "namespace ${namespace} {\n")
+ENDIF()
+FILE(APPEND "${output}" "wpi::StringRef ${funcName}() {\n return wpi::StringRef(reinterpret_cast<const char*>(contents), ${fileSize});\n}\n")
+IF(NOT namespace STREQUAL "")
+ FILE(APPEND "${output}" "}\n")
+ENDIF()
diff --git a/cmake/toolchains/arm-frc-gnueabi.toolchain.cmake b/cmake/toolchains/arm-frc-gnueabi.toolchain.cmake
new file mode 100644
index 0000000..8e6536a
--- /dev/null
+++ b/cmake/toolchains/arm-frc-gnueabi.toolchain.cmake
@@ -0,0 +1,4 @@
+set(GCC_COMPILER_VERSION "" CACHE STRING "GCC Compiler version")
+set(GNU_MACHINE "arm-frc2020-linux-gnueabi" CACHE STRING "GNU compiler triple")
+set(SOFTFP yes)
+include("${CMAKE_CURRENT_LIST_DIR}/arm.toolchain.cmake")
diff --git a/cmake/toolchains/arm-pi-gnueabihf.toolchain.cmake b/cmake/toolchains/arm-pi-gnueabihf.toolchain.cmake
new file mode 100644
index 0000000..abb8027
--- /dev/null
+++ b/cmake/toolchains/arm-pi-gnueabihf.toolchain.cmake
@@ -0,0 +1,98 @@
+set(GCC_COMPILER_VERSION "" CACHE STRING "GCC Compiler version")
+set(GNU_MACHINE "arm-raspbian10-linux-gnueabi" CACHE STRING "GNU compiler triple")
+
+if(COMMAND toolchain_save_config)
+ return() # prevent recursive call
+endif()
+
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_VERSION 1)
+if(NOT DEFINED CMAKE_SYSTEM_PROCESSOR)
+ set(CMAKE_SYSTEM_PROCESSOR arm)
+else()
+ #message("CMAKE_SYSTEM_PROCESSOR=${CMAKE_SYSTEM_PROCESSOR}")
+endif()
+
+include("${CMAKE_CURRENT_LIST_DIR}/opencv/platforms/linux/gnu.toolchain.cmake")
+
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm AND NOT ARM_IGNORE_FP)
+ set(FLOAT_ABI_SUFFIX "")
+ if(NOT SOFTFP)
+ set(FLOAT_ABI_SUFFIX "hf")
+ endif()
+endif()
+
+if(NOT "x${GCC_COMPILER_VERSION}" STREQUAL "x")
+ set(__GCC_VER_SUFFIX "-${GCC_COMPILER_VERSION}")
+endif()
+
+if(NOT DEFINED CMAKE_C_COMPILER)
+ find_program(CMAKE_C_COMPILER NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-gcc${__GCC_VER_SUFFIX})
+else()
+ #message(WARNING "CMAKE_C_COMPILER=${CMAKE_C_COMPILER} is defined")
+endif()
+if(NOT DEFINED CMAKE_CXX_COMPILER)
+ find_program(CMAKE_CXX_COMPILER NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-g++${__GCC_VER_SUFFIX})
+else()
+ #message(WARNING "CMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} is defined")
+endif()
+if(NOT DEFINED CMAKE_LINKER)
+ find_program(CMAKE_LINKER NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-ld${__GCC_VER_SUFFIX} ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-ld)
+else()
+ #message(WARNING "CMAKE_LINKER=${CMAKE_LINKER} is defined")
+endif()
+if(NOT DEFINED CMAKE_AR)
+ find_program(CMAKE_AR NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-ar${__GCC_VER_SUFFIX} ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-ar)
+else()
+ #message(WARNING "CMAKE_AR=${CMAKE_AR} is defined")
+endif()
+
+if(NOT DEFINED ARM_LINUX_SYSROOT AND DEFINED GNU_MACHINE)
+ set(ARM_LINUX_SYSROOT /usr/${GNU_MACHINE}${FLOAT_ABI_SUFFIX})
+endif()
+
+if(NOT DEFINED CMAKE_CXX_FLAGS)
+ set(CMAKE_CXX_FLAGS "" CACHE INTERNAL "")
+ set(CMAKE_C_FLAGS "" CACHE INTERNAL "")
+ set(CMAKE_SHARED_LINKER_FLAGS "" CACHE INTERNAL "")
+ set(CMAKE_MODULE_LINKER_FLAGS "" CACHE INTERNAL "")
+ set(CMAKE_EXE_LINKER_FLAGS "" CACHE INTERNAL "")
+
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdata-sections -Wa,--noexecstack -fsigned-char -Wno-psabi")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdata-sections -Wa,--noexecstack -fsigned-char -Wno-psabi")
+ if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
+ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,nocopyreloc")
+ endif()
+ if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
+ set(ARM_LINKER_FLAGS "-Wl,--fix-cortex-a8 -Wl,--no-undefined -Wl,--gc-sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now")
+ elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
+ set(ARM_LINKER_FLAGS "-Wl,--no-undefined -Wl,--gc-sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now")
+ endif()
+ set(CMAKE_SHARED_LINKER_FLAGS "${ARM_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
+ set(CMAKE_MODULE_LINKER_FLAGS "${ARM_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}")
+ set(CMAKE_EXE_LINKER_FLAGS "${ARM_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
+else()
+ #message(WARNING "CMAKE_CXX_FLAGS='${CMAKE_CXX_FLAGS}' is defined")
+endif()
+
+if(USE_NEON)
+ message(WARNING "You use obsolete variable USE_NEON to enable NEON instruction set. Use -DENABLE_NEON=ON instead." )
+ set(ENABLE_NEON TRUE)
+elseif(USE_VFPV3)
+ message(WARNING "You use obsolete variable USE_VFPV3 to enable VFPV3 instruction set. Use -DENABLE_VFPV3=ON instead." )
+ set(ENABLE_VFPV3 TRUE)
+endif()
+
+set(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${ARM_LINUX_SYSROOT})
+
+if(EXISTS ${CUDA_TOOLKIT_ROOT_DIR})
+ set(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${CUDA_TOOLKIT_ROOT_DIR})
+endif()
+
+set(TOOLCHAIN_CONFIG_VARS ${TOOLCHAIN_CONFIG_VARS}
+ ARM_LINUX_SYSROOT
+ ENABLE_NEON
+ ENABLE_VFPV3
+ CUDA_TOOLKIT_ROOT_DIR
+)
+toolchain_save_config()
diff --git a/cmake/toolchains/arm.toolchain.cmake b/cmake/toolchains/arm.toolchain.cmake
new file mode 100644
index 0000000..184997f
--- /dev/null
+++ b/cmake/toolchains/arm.toolchain.cmake
@@ -0,0 +1,97 @@
+if(COMMAND toolchain_save_config)
+ return() # prevent recursive call
+endif()
+
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_VERSION 1)
+if(NOT DEFINED CMAKE_SYSTEM_PROCESSOR)
+ set(CMAKE_SYSTEM_PROCESSOR arm)
+else()
+ #message("CMAKE_SYSTEM_PROCESSOR=${CMAKE_SYSTEM_PROCESSOR}")
+endif()
+
+include("${CMAKE_CURRENT_LIST_DIR}/gnu.toolchain.cmake")
+
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm AND NOT ARM_IGNORE_FP)
+ set(FLOAT_ABI_SUFFIX "")
+ if(NOT SOFTFP)
+ set(FLOAT_ABI_SUFFIX "hf")
+ endif()
+endif()
+
+if(NOT "x${GCC_COMPILER_VERSION}" STREQUAL "x")
+ set(__GCC_VER_SUFFIX "-${GCC_COMPILER_VERSION}")
+endif()
+
+if(NOT DEFINED CMAKE_C_COMPILER)
+ find_program(CMAKE_C_COMPILER NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-gcc${__GCC_VER_SUFFIX})
+else()
+ #message(WARNING "CMAKE_C_COMPILER=${CMAKE_C_COMPILER} is defined")
+endif()
+if(NOT DEFINED CMAKE_CXX_COMPILER)
+ find_program(CMAKE_CXX_COMPILER NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-g++${__GCC_VER_SUFFIX})
+else()
+ #message(WARNING "CMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} is defined")
+endif()
+if(NOT DEFINED CMAKE_LINKER)
+ find_program(CMAKE_LINKER NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-ld${__GCC_VER_SUFFIX} ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-ld)
+else()
+ #message(WARNING "CMAKE_LINKER=${CMAKE_LINKER} is defined")
+endif()
+if(NOT DEFINED CMAKE_AR)
+ find_program(CMAKE_AR NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-ar${__GCC_VER_SUFFIX} ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-ar)
+else()
+ #message(WARNING "CMAKE_AR=${CMAKE_AR} is defined")
+endif()
+
+if(NOT DEFINED ARM_LINUX_SYSROOT AND DEFINED GNU_MACHINE)
+ set(ARM_LINUX_SYSROOT /usr/${GNU_MACHINE}${FLOAT_ABI_SUFFIX})
+endif()
+
+if(NOT DEFINED CMAKE_CXX_FLAGS)
+ set(CMAKE_CXX_FLAGS "" CACHE INTERNAL "")
+ set(CMAKE_C_FLAGS "" CACHE INTERNAL "")
+ set(CMAKE_SHARED_LINKER_FLAGS "" CACHE INTERNAL "")
+ set(CMAKE_MODULE_LINKER_FLAGS "" CACHE INTERNAL "")
+ set(CMAKE_EXE_LINKER_FLAGS "" CACHE INTERNAL "")
+
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdata-sections -Wa,--noexecstack -fsigned-char -Wno-psabi")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdata-sections -Wa,--noexecstack -fsigned-char -Wno-psabi")
+ if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
+ set(CMAKE_CXX_FLAGS "-mthumb ${CMAKE_CXX_FLAGS}")
+ set(CMAKE_C_FLAGS "-mthumb ${CMAKE_C_FLAGS}")
+ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,nocopyreloc")
+ endif()
+ if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
+ set(ARM_LINKER_FLAGS "-Wl,--fix-cortex-a8 -Wl,--no-undefined -Wl,--gc-sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now")
+ elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
+ set(ARM_LINKER_FLAGS "-Wl,--no-undefined -Wl,--gc-sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now")
+ endif()
+ set(CMAKE_SHARED_LINKER_FLAGS "${ARM_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
+ set(CMAKE_MODULE_LINKER_FLAGS "${ARM_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}")
+ set(CMAKE_EXE_LINKER_FLAGS "${ARM_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
+else()
+ #message(WARNING "CMAKE_CXX_FLAGS='${CMAKE_CXX_FLAGS}' is defined")
+endif()
+
+if(USE_NEON)
+ message(WARNING "You use obsolete variable USE_NEON to enable NEON instruction set. Use -DENABLE_NEON=ON instead." )
+ set(ENABLE_NEON TRUE)
+elseif(USE_VFPV3)
+ message(WARNING "You use obsolete variable USE_VFPV3 to enable VFPV3 instruction set. Use -DENABLE_VFPV3=ON instead." )
+ set(ENABLE_VFPV3 TRUE)
+endif()
+
+set(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${ARM_LINUX_SYSROOT})
+
+if(EXISTS ${CUDA_TOOLKIT_ROOT_DIR})
+ set(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${CUDA_TOOLKIT_ROOT_DIR})
+endif()
+
+set(TOOLCHAIN_CONFIG_VARS ${TOOLCHAIN_CONFIG_VARS}
+ ARM_LINUX_SYSROOT
+ ENABLE_NEON
+ ENABLE_VFPV3
+ CUDA_TOOLKIT_ROOT_DIR
+)
+toolchain_save_config()
diff --git a/cmake/toolchains/gnu.toolchain.cmake b/cmake/toolchains/gnu.toolchain.cmake
new file mode 100644
index 0000000..cba08e7
--- /dev/null
+++ b/cmake/toolchains/gnu.toolchain.cmake
@@ -0,0 +1,134 @@
+cmake_minimum_required(VERSION 2.8)
+
+# load settings in case of "try compile"
+set(TOOLCHAIN_CONFIG_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain.config.cmake")
+get_property(__IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
+if(__IN_TRY_COMPILE)
+ include("${CMAKE_CURRENT_SOURCE_DIR}/../toolchain.config.cmake" OPTIONAL) # CMAKE_BINARY_DIR is different
+ macro(toolchain_save_config)
+ # nothing
+ endmacro()
+else()
+ macro(toolchain_save_config)
+ set(__config "#message(\"Load TOOLCHAIN config...\")\n")
+ get_cmake_property(__variableNames VARIABLES)
+ set(__vars_list ${ARGN})
+ list(APPEND __vars_list
+ ${TOOLCHAIN_CONFIG_VARS}
+ CMAKE_SYSTEM_NAME
+ CMAKE_SYSTEM_VERSION
+ CMAKE_SYSTEM_PROCESSOR
+ CMAKE_C_COMPILER
+ CMAKE_CXX_COMPILER
+ CMAKE_C_FLAGS
+ CMAKE_CXX_FLAGS
+ CMAKE_SHARED_LINKER_FLAGS
+ CMAKE_MODULE_LINKER_FLAGS
+ CMAKE_EXE_LINKER_FLAGS
+ CMAKE_SKIP_RPATH
+ CMAKE_FIND_ROOT_PATH
+ GCC_COMPILER_VERSION
+ )
+ foreach(__var ${__variableNames})
+ foreach(_v ${__vars_list})
+ if("x${__var}" STREQUAL "x${_v}")
+ if(${__var} MATCHES " ")
+ set(__config "${__config}set(${__var} \"${${__var}}\")\n")
+ else()
+ set(__config "${__config}set(${__var} ${${__var}})\n")
+ endif()
+ endif()
+ endforeach()
+ endforeach()
+ if(EXISTS "${TOOLCHAIN_CONFIG_FILE}")
+ file(READ "${TOOLCHAIN_CONFIG_FILE}" __config_old)
+ endif()
+ if("${__config_old}" STREQUAL "${__config}")
+ # nothing
+ else()
+ #message("Update TOOLCHAIN config: ${__config}")
+ file(WRITE "${TOOLCHAIN_CONFIG_FILE}" "${__config}")
+ endif()
+ unset(__config)
+ unset(__config_old)
+ unset(__vars_list)
+ unset(__variableNames)
+ endmacro()
+endif() # IN_TRY_COMPILE
+
+if(NOT CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
+ set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+endif()
+
+if(NOT CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
+ set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+endif()
+
+if(NOT CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
+ set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+endif()
+
+if(NOT CMAKE_FIND_ROOT_PATH_MODE_PROGRAM)
+ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+endif()
+
+macro(__cmake_find_root_save_and_reset)
+ foreach(v
+ CMAKE_FIND_ROOT_PATH_MODE_LIBRARY
+ CMAKE_FIND_ROOT_PATH_MODE_INCLUDE
+ CMAKE_FIND_ROOT_PATH_MODE_PACKAGE
+ CMAKE_FIND_ROOT_PATH_MODE_PROGRAM
+ )
+ set(__save_${v} ${${v}})
+ set(${v} NEVER)
+ endforeach()
+endmacro()
+
+macro(__cmake_find_root_restore)
+ foreach(v
+ CMAKE_FIND_ROOT_PATH_MODE_LIBRARY
+ CMAKE_FIND_ROOT_PATH_MODE_INCLUDE
+ CMAKE_FIND_ROOT_PATH_MODE_PACKAGE
+ CMAKE_FIND_ROOT_PATH_MODE_PROGRAM
+ )
+ set(${v} ${__save_${v}})
+ unset(__save_${v})
+ endforeach()
+endmacro()
+
+
+# macro to find programs on the host OS
+macro(find_host_program)
+ __cmake_find_root_save_and_reset()
+ if(CMAKE_HOST_WIN32)
+ SET(WIN32 1)
+ SET(UNIX)
+ elseif(CMAKE_HOST_APPLE)
+ SET(APPLE 1)
+ SET(UNIX)
+ endif()
+ find_program(${ARGN})
+ SET(WIN32)
+ SET(APPLE)
+ SET(UNIX 1)
+ __cmake_find_root_restore()
+endmacro()
+
+# macro to find packages on the host OS
+macro(find_host_package)
+ __cmake_find_root_save_and_reset()
+ if(CMAKE_HOST_WIN32)
+ SET(WIN32 1)
+ SET(UNIX)
+ elseif(CMAKE_HOST_APPLE)
+ SET(APPLE 1)
+ SET(UNIX)
+ endif()
+ find_package(${ARGN})
+ SET(WIN32)
+ SET(APPLE)
+ SET(UNIX 1)
+ __cmake_find_root_restore()
+endmacro()
+
+set(CMAKE_SKIP_RPATH TRUE CACHE BOOL "If set, runtime paths are not added when using shared libraries.")