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error: ‘erase’ is not a member of ‘std’; did you mean ‘erase’? #328
Description
When trying to build audacity 4.0.1
Debian unstable amd64
GCC 16.2.0
FAILED: [code=1] muse/framework/draw/CMakeFiles/muse_draw.dir/Unity/unity_1_cxx.cxx.o
/usr/bin/ccache /usr/lib/ccache/x86_64-linux-gnu-g++ -DAU4_APP_TITLE_VERSION="\"Audacity 4.0\"" -DINSTALL_PREFIX=\"/usr\" -DKORS_LOGGER_QT_SUPPORT -DMUSE_MODULE_DRAW_USE_FONTFACE_FT -DMUSE_MODULE_DRAW_USE_QTTEXTDRAW -DNDEBUG -DQT_CONCURRENT_SUPPORTED -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_NO_DEBUG -DQT_OPENGL_LIB -DQT_QMLINTEGRATION_LIB -DQT_QML_LIB -DQT_QPROCESS_SUPPORTED -DQT_QUICK_LIB -DQT_SUPPORT -DQT_SVG_LIB -I/build/audacity-dmo-4.0.1/obj-x86_64-linux-gnu/muse/framework/draw -I/build/audacity-dmo-4.0.1/muse/framework/draw -I/build/audacity-dmo-4.0.1/obj-x86_64-linux-gnu/muse/framework/draw/muse_draw_autogen/include -I/build/audacity-dmo-4.0.1/obj-x86_64-linux-gnu -I/build/audacity-dmo-4.0.1/src -I/build/audacity-dmo-4.0.1/muse -I/build/audacity-dmo-4.0.1/muse/framework -I/build/audacity-dmo-4.0.1/muse/framework/global -I/build/audacity-dmo-4.0.1/muse/src -I/build/audacity-dmo-4.0.1/muse/src/framework -I/build/audacity-dmo-4.0.1/muse/src/framework/global -I/usr/include/freetype2 -I/usr/include/harfbuzz -isystem /usr/include/x86_64-linux-gnu/qt6/QtCore -isystem /usr/include/x86_64-linux-gnu/qt6 -isystem /usr/lib/x86_64-linux-gnu/qt6/mkspecs/linux-g++ -isystem /usr/include/x86_64-linux-gnu/qt6/QtGui -isystem /usr/include/x86_64-linux-gnu/qt6/QtQuick -isystem /usr/include/x86_64-linux-gnu/qt6/QtQml -isystem /usr/include/x86_64-linux-gnu/qt6/QtQmlIntegration -isystem /usr/include/x86_64-linux-gnu/qt6/QtNetwork -isystem /usr/include/x86_64-linux-gnu/qt6/QtOpenGL -isystem /usr/include/x86_64-linux-gnu/qt6/QtSvg -g -O2 -ffile-prefix-map=/build/audacity-dmo-4.0.1=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -std=gnu++17 -Wdate-time -D_FORTIFY_SOURCE=2 -std=gnu++17 -Wall -Wextra -Winvalid-pch -include /build/audacity-dmo-4.0.1/obj-x86_64-linux-gnu/muse/framework/pch/CMakeFiles/muse_pch.dir/cmake_pch.hxx -MD -MT muse/framework/draw/CMakeFiles/muse_draw.dir/Unity/unity_1_cxx.cxx.o -MF muse/framework/draw/CMakeFiles/muse_draw.dir/Unity/unity_1_cxx.cxx.o.d -o muse/framework/draw/CMakeFiles/muse_draw.dir/Unity/unity_1_cxx.cxx.o -c /build/audacity-dmo-4.0.1/obj-x86_64-linux-gnu/muse/framework/draw/CMakeFiles/muse_draw.dir/Unity/unity_1_cxx.cxx
In file included from /build/audacity-dmo-4.0.1/obj-x86_64-linux-gnu/muse/framework/draw/CMakeFiles/muse_draw.dir/Unity/unity_1_cxx.cxx:25:
/build/audacity-dmo-4.0.1/muse/framework/draw/internal/fontsdatabase.cpp: In member function ‘virtual void muse::draw::FontsDatabase::removeSubstitutions(const muse::String&, const std::vector<muse::String>&)’:
/build/audacity-dmo-4.0.1/muse/framework/draw/internal/fontsdatabase.cpp:72:25: error: ‘erase’ is not a member of ‘std’; did you mean ‘erase’?
72 | removed += std::erase(substitutes, FontDataKey(substituteName));
| ^~~~~
In file included from /usr/include/x86_64-linux-gnu/qt6/QtCore/qdebug.h:44,
from /usr/include/x86_64-linux-gnu/qt6/QtCore/qvariant.h:13,
from /usr/include/x86_64-linux-gnu/qt6/QtCore/QVariant:1,
from /build/audacity-dmo-4.0.1/muse/buildscripts/pch/pch.h:77,
from /build/audacity-dmo-4.0.1/obj-x86_64-linux-gnu/muse/framework/pch/CMakeFiles/muse_pch.dir/cmake_pch.hxx:5,
from <command-line>:
/usr/include/x86_64-linux-gnu/qt6/QtCore/qvarlengtharray.h:1100:11: note: ‘erase’ declared here
1100 | qsizetype erase(QVarLengthArray<T, Prealloc> &array, const AT &t)
| ^~~~~
Activity
kryksyh commentedon Oct 2, 2026
@marillat please make sure, that you are using the correct framework submodule branch, it should be
audacity-4.0.1marillat commentedon Oct 2, 2026
a
git clone https://github.com/musescore/muse_depsisn't enough ?kryksyh commentedon Oct 2, 2026
That's not how you use submodules, no.
To checkout master
to checkout 4.0.1
marillat commentedon Oct 2, 2026
I'm using the Audacity-4.0.1.tar.gz tarball
kryksyh commentedon Oct 2, 2026
I see, it is autogenerated by github and it contains only the main repo snapshot. This is misleading and we can't disable it during release creation, afaik.
What you need is a full source snapshot audacity-sources-4.0.1.tar.xz, it includes all submodules checked out at the correct commit, and all build time dependencies if you need those.
marillat commentedon Oct 2, 2026
Yes it's better, but this archive contains 'Apple' files hidden files starting with
._*and Linux don't like that.