id summary reporter owner description type status priority milestone component version resolution keywords cc port 62051 qt5*-qtbase: error: redefinition of '__bsrd' as different kind of symbol chrstphrchvz MarcusCalhoun-Lopez "The fix for #59364 does not also work for Xcode 11.4 and newer ([https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/43027/steps/install-port/logs/stdio example error log]): {{{ In file included from /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_aqua_qt57/qt57-qtbase/work/qtbase-opensource-src-5.7.1/src/corelib/codecs/qutfcodec.cpp:46: In file included from /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_aqua_qt57/qt57-qtbase/work/qtbase-opensource-src-5.7.1/include/QtCore/5.7.1/QtCore/private/qsimd_p.h:1: /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_aqua_qt57/qt57-qtbase/work/qtbase-opensource-src-5.7.1/include/QtCore/5.7.1/QtCore/private/../../../../../src/corelib/tools/qsimd_p.h:469:33: error: redefinition of '__bsrd' as different kind of symbol static Q_ALWAYS_INLINE unsigned _bit_scan_reverse(unsigned val) ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/11.0.3/include/ia32intrin.h:73:30: note: expanded from macro '_bit_scan_reverse' #define _bit_scan_reverse(A) __bsrd((A)) ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/11.0.3/include/ia32intrin.h:47:1: note: previous definition is here __bsrd(int __A) { ^ }}} The fix tried to use `Q_CC_CLANG` to detect clang 9.0 and newer, but qcompilerdetection.h lacks mapping of more recent Xcode versions to upstream clang, so `Q_CC_CLANG` is defined too low of a value. It should be possible to update qcompilerdetection.h with the needed mapping (i.e. that Xcode 11.4 and newer are based on LLVM clang 9.0 and newer). Alternatives might be to test for intrinsics directly with `#if defined()`; or backport [https://github.com/qt/qtbase/commit/e70324f8dd qtbase commit e70324f8dd], [https://github.com/fink/fink-distributions/blob/f318e9c473/10.9-libcxx/stable/main/finkinfo/libs/qt5-qtbase-e70324f.patch as done by fink for Qt 5.7]. (I personally do not need older Qt5 versions, but allowing them to build on more recent OSes may help with fixing build problems affecting all OSes, e.g. #60889.)" defect closed Normal ports 2.6.4 fixed phantomjs-qt-qtbase qt57-qtbase qt56-qtbase qt55-qtbase