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CXX-STANDARD: Enforce (at least) cpp14

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This commit is contained in:
Robert Adam 2020-06-05 08:50:35 +02:00
parent 64a9e30443
commit fa2bd78262
1 changed files with 2 additions and 39 deletions
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41
qmake/cplusplus.pri
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@ -3,45 +3,8 @@
# that can be found in the LICENSE file at the root of the
# Mumble source tree or at <https://www.mumble.info/LICENSE>.
# This .pri file implements modern C++ detection for Mumble.
#
# With this file, it's possible to pass one of
# c++03, c++11, c++14 or c++1z
# to qmake via CONFIG when building Mumble, to
# manually specify the C++ standard the build
# should target.
#
# If no C++ standard is explicitly chosen on
# the command-line, an appropriate default will
# be chosen by an auto-detection mechanism.
# This mechanism looks at QT_CONFIG and automatically
# adds c++11, c++14 or c++1z to CONFIG. If none of
# these are available, it adds c++03 to CONFIG.
#
# qmake understands the c++11, c++14, and c++1z
# CONFIG options, and will automatically populate
# QMAKE_CXXFLAGS and QMAKE_LFLAGS with the appropriate
# -std=c++XX values for the chosen C++ standard.
#
# The c++03 option is unknown for Qt.
# We handle setting up the proper CXXFLAGS and LFLAGS when c++03 is in CONFIG.
# First, auto-populate CONFIG with the latest C++ standard
# that Qt has detected support for.
!CONFIG(c++03):!CONFIG(c++11):!CONFIG(c++14):!CONFIG(c++1z) {
contains(QT_CONFIG, c++1z) {
CONFIG *= c++1z
} else:contains(QT_CONFIG, c++14) {
CONFIG *= c++14
} else:contains(QT_CONFIG, c++11) {
CONFIG *= c++11
}
}
# If no appropriate C++ standard was found in QT_CONFIG, populate
# CONFIG with c++03.
!CONFIG(c++03):!CONFIG(c++11):!CONFIG(c++14):!CONFIG(c++1z) {
CONFIG += c++03
}
# We enforce (at least) cpp14
CONFIG *= c++14
# If CONFIG(c++1z) or CONFIG(c++14) is set, we
# also add the prior "modern" standards to