Fork#41049: A C++ program compiled with MinGW64 can't load libwinpthread-1.dll unless it is
in the path, which it is when I built it but isn't when customers run it.
Open Date: 2020-12-14 08:46
Last Update: 2020-12-14 08:48
URL for this Ticket:
https://osdn.net//projects/mingw/ticket/41049
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Last Changes/Comment on this Ticket:
2020-12-14 08:48 Updated by: wba2
* Details Updated
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Ticket Status:
Reporter: wba2
Owner: (None)
Type: Issues
Status: Open
Priority: 5 - Medium
MileStone: (None)
Component: (None)
Severity: 5 - Medium
Resolution: None
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Ticket details:
The program below was cut way down from a much larger program that uses virtual
classes to use multiple user interface subsystems. My attempts to make it
statically bind libwinpthread-1.dll into the executable were unsuccessful.
MinGW64 was downloaded and installed on Nov 29, 2020. It's pedigree seems to be
Version 8.1.0 Architecture i686 Threads posix Exception dwarf Build revision 0
Original destination folder mingw-w64\i686-8.1.0-posix-dwarf-rt_v6-rev0
Tools pedigrees are: C:\wba\sd>gcc --version gcc (i686-posix-dwarf-rev0, Built
by MinGW-W64 project) 8.1.0
C:\wba\sd>ld --version GNU ld (GNU Binutils) 2.30
Program is
#include <stdio.h>
class iobase {
virtual void create_menu() = 0;
};
class iofull : public iobase {
void create_menu();
};
int main(int argc, char *argv[]) { printf("Hello, World!\n"); }
static char *call_menu_prompts;
void iofull::create_menu() { call_menu_prompts = new char50; }
Compile with
g++ -static-libgcc -static-libstdc++ -shared -o sdlib.dll
-Wl,--out-implib,libsdlib.a
g++ -static-libgcc -static-libstdc++ -O4 -c sdui-tty.cpp
g++ -static-libgcc -static-libstdc++ -mconsole -o sdtty.exe sdui-tty.o -L. -LC:
\MinGW64\mingw32 -lsdlib
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