6.7 Libtool and Windows

If you want it to be possible to cross-compile your program to MinGW and you use Libtool, you need to put:

AC_LIBTOOL_WIN32_DLL

in your configure.ac. This sets the correct names for the OBJDUMP, DLLTOOL, and AS tools for the build.

If you are building a library, you will also need to pass -no-undefined to make sure Libtool produces a DLL for your library. From a Makefile.am:

libgsasl_la_LDFLAGS += -no-undefined