MinGW-加载.dll后，应用程序以异常方式终止（完成后）

Question

I have a problem with dynamically loading shared libraries on Windows when compiling with Cygwin's MinGW.

The application consists of 6 parts: 2 static libraries, 3 shared libraries and 1 executable that uses the static libraries and loads the shared libraries at runtime.

I'm using the i686-pc-mingw32-g++ in Cygwin. All source files are compiled with the -std=c++11 flag and them linked like this:

Static libraries:
   i686-pc-mingw32-ar rcs libxxx.a bin/*.o
   i686-pc-mingw32-ar rcs libyyy.a bin/*.o

Each shared library:
   i686-pc-mingw32-g++ -fPIC -shared -o ###.dll bin/*.o -lxxx -L../xxx -lyyy -L../yyy

Executable:
   i686-pc-mingw32-g++ -o program.exe bin/*.o -lxxx -L../xxx -lyyy -L../yyy -static

The application runs fine and does what expected, but once the program has finished its execution and returns from the main method, I get the message:

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

This only occurs when I load one of the shared libaries; if I don't, the application terminates without the message.

I suspect that this program is related to Windows' LoadLibrary ; I also tried freeing each library manually before returning from main, but the same problem occurs.

Note: the message does not occur and everything works as expected when compiling with Cygwin's GCC using the same code.

Any help is greatly appreciated.

EDIT: Found one more thing: when I'm linking the binary without "-static", it doesn't crash.

Answer 1

I've seen something similar, reported before: http://thread.gmane.org/gmane.comp.gnu.mingw.user/41724

Could this be applicable in your case? In particular: http://thread.gmane.org/gmane.comp.gnu.mingw.user/41724/focus=41738

and its follow-up?

Answer 2

Define the TMP environment variable under project Properties > C/C++ Build > Environment.

Credit to http://avr-eclipse.sourceforge.net/wiki/index.php/Known_Issues#Error:_.27This_application_has_requested_the_Runtime_to_terminate_it_in_an_unusual_way..27