07b176ce70
The symbols all still exist, but they all have the same address. For example, in my Linux debug build: $ eu-readelf --dyn-syms lib/libQt6Core.t.so | grep qt_version_tag 4352: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag_6_0@@Qt_6 4356: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag_6_1@@Qt_6 4358: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag_6_2@@Qt_6 4362: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag_6_3@@Qt_6 4364: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag_6_4@@Qt_6 6458: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag@@Qt_6.4 6460: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag@Qt_6.0 6462: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag@Qt_6.2 6463: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag@Qt_6.3 6466: 00000000005e3e74 1 OBJECT GLOBAL DEFAULT 18 qt_version_tag@Qt_6.1 (The part after the @ is the ELF version; two @ indicates the default version) Saves N bytes where N is the Qt minor version number. The exclusion of Darwin (macOS) is because clang says that it has the "alias" attribute, but then fails when you use it. Change-Id: I74249c52dc02478ba93cfffd16d249d77d6f7565 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> |
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|---|---|---|
| .. | ||
| 3rdparty | ||
| android | ||
| concurrent | ||
| corelib | ||
| dbus | ||
| entrypoint | ||
| gui | ||
| network | ||
| opengl | ||
| openglwidgets | ||
| platformsupport | ||
| plugins | ||
| printsupport | ||
| sql | ||
| testlib | ||
| tools | ||
| widgets | ||
| xml | ||
| CMakeLists.txt | ||