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CMake: Fix default install prefix of top-level non-developer builds

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A top-level non-developer build is supposed to default to a prefix like
"/usr/local/Qt-6.3.0".  That wasn't the case.

In QtSetup.cmake we check CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT,
set CMAKE_INSTALL_PREFIX and did the same thing later in
QtBuildInternalsExtra.cmake, with a different value.  Make sure we run
the latter code only in per-repo builds.

Pick-to: 6.2
Fixes: QTBUG-98087
Change-Id: I4a1291dfd126aa11c21d69809f2cf7b075c98d2e
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Joerg Bornemann 2021-11-08 17:07:35 +01:00
parent ac7e94090f
commit 7be143f438
1 changed files with 3 additions and 1 deletions
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4
cmake/QtBuildInternalsExtra.cmake.in
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@ -20,8 +20,10 @@ get_filename_component(QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX
# If an explicit installation prefix is specified, honor it.
# This is an attempt to support Conan, aka handle installation of modules into a
# different installation prefix than the original one. Also allow to opt out via a special variable.
# In a top-level build, QtSetup.cmake takes care of setting CMAKE_INSTALL_PREFIX.
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND
NOT QT_BUILD_INTERNALS_NO_FORCE_SET_INSTALL_PREFIX)
NOT QT_BUILD_INTERNALS_NO_FORCE_SET_INSTALL_PREFIX
AND NOT QT_SUPERBUILD)
set(qtbi_orig_prefix "@CMAKE_INSTALL_PREFIX@")
set(qtbi_new_prefix "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}")
if(CMAKE_HOST_WIN32)