diff options
Diffstat (limited to 'src/corelib/global/qlibraryinfo.cpp')
-rw-r--r-- | src/corelib/global/qlibraryinfo.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp index ebacd8a0c6..aa83cf2bcc 100644 --- a/src/corelib/global/qlibraryinfo.cpp +++ b/src/corelib/global/qlibraryinfo.cpp @@ -569,6 +569,23 @@ static QString getRelocatablePrefix() #error "The chosen platform / config does not support querying for a dynamic prefix." #endif +#if defined(Q_OS_LINUX) && !defined(QT_STATIC) && defined(__GLIBC__) + // QTBUG-78948: libQt5Core.so may be located in subdirectories below libdir. + // See "Hardware capabilities" in the ld.so documentation and the Qt 5.3.0 + // changelog regarding SSE2 support. + const QString libdir = QString::fromLatin1( + qt_configure_strs + qt_configure_str_offsets[QLibraryInfo::LibrariesPath - 1]); + QDir prefixDir(prefixPath); + while (!prefixDir.exists(libdir)) { + prefixDir.cdUp(); + prefixPath = prefixDir.absolutePath(); + if (prefixDir.isRoot()) { + prefixPath.clear(); + break; + } + } +#endif + Q_ASSERT_X(!prefixPath.isEmpty(), "getRelocatablePrefix", "Failed to find the Qt prefix path."); return prefixPath; |