【发布时间】:2023-01-17 05:55:53
【问题描述】:
考虑一个 C++ 程序:
#include <sqlite3.h>
int main(int argc, char**argv) {
return 0;
}
void not_called() {
sqlite3_initialize();
}
编译、链接并运行它:
$ x86_64-w64-mingw32-g++ -c -g -o augh.o augh.cpp
$ x86_64-w64-mingw32-g++ -static -fstack-protector -g -o augh.exe augh.o -lsqlite3
$ wine augh.exe
在 Fedora 36 上,
- mingw64-gcc-c++-11.2.1-5.fc36.x86_64
- wine-7.12-1.fc36.x86_64
- mingw64-sqlite-static-3.36.0.0-3.fc36.noarch
并且之前使用 wine-7.10-2.fc36.x86_64,我一直得到这个输出:
[juckelman@midas augh]$ ./augh.exe
002c:fixme:winediag:LdrInitializeThunk wine-staging 7.12 is a testing version containing experimental patches.
002c:fixme:winediag:LdrInitializeThunk Please mention your exact version when filing bug reports on winehq.org.
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
0080:err:x11drv:X11DRV_ChangeDisplaySettingsEx Failed to write L"\\\\.\\DISPLAY1" display settings to registry.
0080:err:system:NtUserChangeDisplaySettings Changing L"\\\\.\\DISPLAY1" display settings returned -3.
0080:err:explorer:initialize_display_settings Failed to initialize registry display settings for L"\\\\.\\DISPLAY1".
0114:err:sync:RtlpWaitForCriticalSection section 00000002DE99D010 "?" wait timed out in thread 0114, blocked by 0000, retrying (60 sec)
最后一行无休止地重复,程序永远不会退出。
如果我注释掉sqlite3_initialize()(在从未调用过的函数!), 我得到这个输出:
[juckelman@midas augh]$ ./augh.exe
002c:fixme:winediag:LdrInitializeThunk wine-staging 7.12 is a testing version containing experimental patches.
002c:fixme:winediag:LdrInitializeThunk Please mention your exact version when filing bug reports on winehq.org.
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
MESA-INTEL: warning: Haswell Vulkan support is incomplete
0080:err:x11drv:X11DRV_ChangeDisplaySettingsEx Failed to write L"\\\\.\\DISPLAY1" display settings to registry.
0080:err:system:NtUserChangeDisplaySettings Changing L"\\\\.\\DISPLAY1" display settings returned -3.
0080:err:explorer:initialize_display_settings Failed to initialize registry display settings for L"\\\\.\\DISPLAY1".
[juckelman@midas augh]$
程序每次都成功退出。
在 Fedora 35 上
- mingw64-gcc-c++-11.2.1-3.fc35.x86_64
- wine-7.2-1.fc35.x86_64
- mingw64-sqlite-static-3.36.0.0-2.fc35.noarch
无论sqlite3_initialize() 是否存在,程序都会成功退出。
在 Fedora 36 上,如果我改为动态链接 sqlite3,程序也会成功退出。
这里发生了什么?
【问题讨论】:
-
sqlite3也是用于静态链接的编译器吗?如果不是,您将有 2 个 C 运行时支持库试图管理堆分配的对象。 -
@RichardCritten 是的,我安装了
mingw64-sqlite-static包并且我检查了augh.exe和objdump以确保我没有链接到任何DLL。
标签: c++ linux sqlite mingw wine