https://bugs.kde.org/show_bug.cgi?id=364820
Bug ID: 364820
Summary: No Link to libstdc++ on MSYS on Windows (And Linking
Issues)
Product: frameworks-karchive
Version: unspecified
Platform: Other
OS: MS Windows
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: fa...@kde.org
Reporter: ahusz...@gmail.com
CC: kdelibs-b...@kde.org
Environment:
MSYS2, a Unix-like subsystem for Windows using a .dll rather than .so to allow
the creation of binaries for deployment.
Packages installed:
pacman -Sy cmake
pacman -Sy mingw-w64-x86_64-qt5-static
Build Issues:
After installing cmake-extra-modules, which occurs without issues, I then
issued the following command, which completes successfully:
```
cmake .. \
-DCMAKE_BUILD_TYPE=debug \
-DCMAKE_INSTALL_PREFIX=/mingw64
```
Then, I issued:
```make VERBOSE=1```
This raises a large number of errors stating:
undefined reference to `operator new`
This would demonstrate that libstdc++ is not in the linking path for the build
command. I tried editing the CMakeLists.txt with the following:
if (MSYS)
set(cmake_cxx_flags, "${cmake_cxx_flags} -lstdc++")
endif()
Although this does add libstdc++ to the linking path, it does not solve the
issue, since -lstdc++ is not added to the end of the linking path. Manually
running all the failed Makefile commands, with "-lstdc++" appended to the end
allows KArchive to compile fine.
Other Issue:
After installing, I have to issue "ln -s /path/to/libKF5Archive.so
/path/to/libKF5Archive.dll", since KArchive also incorrectly assumes I am using
a Unix build system. Although the library is in fact a DLL, I cannot delete
either the .so or the .dll (if I use a redundant copy) without having linking
issues.
Reproducible: Always
Steps to Reproduce:
1. Install MSYS2
2. Install cmake and Qt5 from pacman via `pacman -Sy cmake
mingw-w64-x86_64-qt5-static`
3. Install cmake-extra-modules
4. Clone karchive, cmake and build
Actual Results:
Produces a long ttraceback stating:
undefined reference to `operator new`
Expected Results:
Expected it to compile without issue. The software should link to libstdc++.
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