Simon Josefsson wrote:
> My problem is getting
> AC_SEARCH_LIBS to find functions in the mingw32 libraries. It seems a
> __stdcall is required in the prototype to make it link correctly.
The prototype with __stdcall must be contained in a public include file,
no? (<winsock2.h>, included by your <sys/socket.h> substitute.)
It seems you will have to write a test that
1) tries to use gethostbyname() with the #include and no additional libraries,
2) same thing with -lwsock32,
and set some LIB* or *_LDFLAGS variable, depending on the result.
Look how AM_ICONV_LINK (in gethostbyname.m4) does it; something like
this:
AC_CACHE_CHECK(for gethostbyname, gl_cv_func_gethostbyname, [
gl_cv_func_gethostbyname=no
gl_cv_lib_gethostbyname=no
AC_TRY_LINK([
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#elif HAVE_WINSOCK2_H
# include <winsock2.h>
#endif],
[gethostbyname("");],
gl_cv_func_gethostbyname=yes)
if test "$gl_cv_func_gethostbyname" != yes; then
am_save_LIBS="$LIBS"
LIBS="$LIBS -lwsock32"
AC_TRY_LINK([
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#elif HAVE_WINSOCK2_H
# include <winsock2.h>
#endif],
[gethostbyname("");],
gl_cv_lib_gethostbyname=yes
gl_cv_func_gethostbyname=yes)
LIBS="$am_save_LIBS"
fi
])
Bruno
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