diff options
Diffstat (limited to 'vcpkg/scripts/cmake/z_vcpkg_forward_output_variable.cmake')
| -rw-r--r-- | vcpkg/scripts/cmake/z_vcpkg_forward_output_variable.cmake | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/vcpkg/scripts/cmake/z_vcpkg_forward_output_variable.cmake b/vcpkg/scripts/cmake/z_vcpkg_forward_output_variable.cmake new file mode 100644 index 0000000..1177ef3 --- /dev/null +++ b/vcpkg/scripts/cmake/z_vcpkg_forward_output_variable.cmake @@ -0,0 +1,12 @@ +macro(z_vcpkg_forward_output_variable ptr_to_parent_var var_to_forward) + if("${ARGC}" GREATER "2") + message(FATAL_ERROR "z_vcpkg_forward_output_variable was passed extra arguments: ${ARGN}") + endif() + if(DEFINED "${ptr_to_parent_var}") + if(DEFINED "${var_to_forward}") + set("${${ptr_to_parent_var}}" "${${var_to_forward}}" PARENT_SCOPE) + else() + unset("${${ptr_to_parent_var}}" PARENT_SCOPE) + endif() + endif() +endmacro() |