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Add _qt_internal_path_is_prefix compatibility

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Direct equivalent to `cmake_path(IS_PREFIX)` except for `NORMALIZE`
support.

Change-Id: Ic17990b93d458073ddc1b860a7f5d5b81bd63ea8
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
This commit is contained in:
Cristian Le 2025-02-04 13:34:18 +01:00
parent 6865c21e41
commit 0630f055b8
1 changed files with 41 additions and 0 deletions
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41
cmake/QtPublicCMakeHelpers.cmake
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@ -790,3 +790,44 @@ function(_qt_internal_relative_path path_var)
endif() endif()
set(${arg_OUTPUT_VARIABLE} "${${arg_OUTPUT_VARIABLE}}" PARENT_SCOPE) set(${arg_OUTPUT_VARIABLE} "${${arg_OUTPUT_VARIABLE}}" PARENT_SCOPE)
endfunction() endfunction()
# Compatibility of `cmake_path(IS_PREFIX)`
#
# NORMALIZE keyword is not supported
#
# Synopsis
#
# _qt_internal_path_is_prefix(<path-var> <input> <out-var>)
#
# Arguments
#
# `path-var`
# Equivalent to `cmake_path(IS_PREFIX <path-var>)`.
#
# `input`
# Equivalent to `cmake_path(IS_PREFIX <input>)`.
#
# `out-var`
# Equivalent to `cmake_path(IS_PREFIX <out-var>)`.
function(_qt_internal_path_is_prefix path_var input out_var)
# Make sure the path ends with `/`
if(NOT ${path_var} MATCHES "/$")
set(${path_var} "${${path_var}}/")
endif()
# For the case input == path_var, we need to also include a trailing `/` to match the
# previous change. We discard the actual path for input so we can add it unconditionally
set(input "${input}/")
if(CMAKE_VERSION VERSION_LESS 3.20)
string(FIND "${input}" "${${path_var}}" find_pos)
if(find_pos EQUAL 0)
# input starts_with path_var
set(${out_var} ON)
else()
set(${out_var} OFF)
endif()
else()
cmake_path(IS_PREFIX ${path_var} ${input} ${out_var})
endif()
set(${out_var} "${${out_var}}" PARENT_SCOPE)
endfunction()