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CMake: Allow generating documentation for INTERFACE targets 

Query the include dirs from the INTERFACE_INCLUDE_DIRECTORIES property
when generating docs for an INTERFACE library.

Amends 2db41fefa0

Pick-to: 6.0
Task-number: QTBUG-88838
Change-Id: Ic8a454ba66b2dbc59bad883e1e0d38ebb26d0370
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
bb10
Alexandru Croitor 2020-11-25 11:50:30 +01:00
parent 97b914b3e7
commit a9d687c63c
1 changed files with 9 additions and 2 deletions
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11
cmake/QtDocsHelpers.cmake
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@ -54,8 +54,15 @@ function(qt_internal_add_docs)
# Generate include dir list
set(target_include_dirs_file "${doc_output_dir}/$<CONFIG>/includes.txt")
set(include_paths_property "$<TARGET_PROPERTY:${target},INCLUDE_DIRECTORIES>")
if (NOT target_type STREQUAL "INTERFACE_LIBRARY" AND NOT target_type STREQUAL "UTILITY")
set(prop_prefix "")
if(target_type STREQUAL "INTERFACE_LIBRARY")
set(prop_prefix "INTERFACE_")
endif()
set(include_path_prop "${prop_prefix}INCLUDE_DIRECTORIES")
set(include_paths_property "$<TARGET_PROPERTY:${target},${include_path_prop}>")
if (NOT target_type STREQUAL "UTILITY")
file(GENERATE
OUTPUT ${target_include_dirs_file}
CONTENT "-I$<JOIN:${include_paths_property},\n-I>"