mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-12-16 04:51:48 +08:00
36 lines
1.2 KiB
CMake
36 lines
1.2 KiB
CMake
|
function(vcpkg_backup_env_variables)
|
||
|
|
cmake_parse_arguments(PARSE_ARGV 0 arg "" "" "VARS")
|
||
|
|
if(NOT DEFINED arg_VARS)
|
||
|
|
message(FATAL_ERROR "VARS must be defined.")
|
||
|
|
endif()
|
||
|
|
if(DEFINED arg_UNPARSED_ARGUMENTS)
|
||
|
|
message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
|
||
|
|
endif()
|
||
|
|
|
||
|
|
foreach(envvar IN LISTS arg_VARS)
|
||
|
|
if(DEFINED ENV{${envvar}})
|
||
|
|
set("z_vcpkg_env_backup_${envvar}" "$ENV{${envvar}}" PARENT_SCOPE)
|
||
|
|
else()
|
||
|
|
unset("z_vcpkg_env_backup_${envvar}" PARENT_SCOPE)
|
||
|
|
endif()
|
||
|
|
endforeach()
|
||
|
|
endfunction()
|
||
|
|
|
||
|
|
function(vcpkg_restore_env_variables)
|
||
|
|
cmake_parse_arguments(PARSE_ARGV 0 arg "" "" "VARS")
|
||
|
|
if(NOT DEFINED arg_VARS)
|
||
|
|
message(FATAL_ERROR "VARS must be defined.")
|
||
|
|
endif()
|
||
|
|
if(DEFINED arg_UNPARSED_ARGUMENTS)
|
||
|
|
message(FATAL_ERROR "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
|
||
|
|
endif()
|
||
|
|
|
||
|
|
foreach(envvar IN LISTS arg_VARS)
|
||
|
|
if(DEFINED z_vcpkg_env_backup_${envvar})
|
||
|
|
set("ENV{${envvar}}" "${z_vcpkg_env_backup_${envvar}}")
|
||
|
|
else()
|
||
|
|
unset("ENV{${envvar}}")
|
||
|
|
endif()
|
||
|
|
endforeach()
|
||
|
|
endfunction()
|