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CMake: Don't write QMAKE_PRL_BUILD_DIR to Qt's .prl files

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Having the build directory encoded in installed files impedes
reproducible builds.

QMAKE_PRL_BUILD_DIR is exclusively used by qmake if 'depend_prl' or
'fast_depend_prl' is active.  This is useful for tracking the
interdependencies of libraries within a project but not for Qt's installed
libraries.  Even the qmake-based Qt build never used this feature.

Fixes: QTBUG-97386
Change-Id: Icd0801edc1ad92a99fff3a1e92b5f660914813b2
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Joerg Bornemann 2022-08-23 09:47:08 +02:00 committed by Jörg Bornemann
parent 4b3cb1329a
commit a021b5e09f
1 changed files with 0 additions and 1 deletions
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cmake/QtPrlHelpers.cmake
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@ -108,7 +108,6 @@ function(qt_generate_prl_file target install_dir)
# whose names we know, and can be used in add_custom_command.
set(prl_step1_content
"RCC_OBJECTS = ${rcc_objects}
QMAKE_PRL_BUILD_DIR = ${CMAKE_CURRENT_BINARY_DIR}
QMAKE_PRL_TARGET = $<TARGET_LINKER_FILE_NAME:${target}>
QMAKE_PRL_TARGET_PATH_FOR_CMAKE = $<TARGET_LINKER_FILE:${target}>
QMAKE_PRL_CONFIG = ${prl_config}