>From [[EMAIL PROTECTED]]: On Mon, May 08, 2000 at 10:07:12AM +0200, Daniel Stenberg wrote: : Hi : : It turns out that there are systems (NCR MP-RAS (svr4)) that require TWO libs : for gethostbyname() and connect() should compile/build properly. The current : configure rule only checks for one lib at a time and thus both checks fails : on this system and it won't build properly. : : Yes, you can enter the libs manually when running configure but I would of : course prefer a solution that works automatically. : : Today, the configure.in line looks like: : : AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname)) : : ... and it seems as if the AC_CHECK_LIB() macro only can deal with a single : lib at a time. : : Does anyone have a good fix for this? : : -- : Daniel Stenberg - http://www.contactor.se/~dast - +46-705-44 31 77 : ech`echo xiun|tr nu oc|sed 'sx\([sx]\)\([xoi]\)xo un\2\1 is xg'`ol I use AC_TRY_LINK directly for these kinds of things. It would go something like this: my_ac_save_LIBS=$LIBS LIBS="-llib1 -llib2" AC_TRY_LINK( [#include <whatever>], [gethostbyname();], my_ac_link_result=success, my_ac_link_result=failure ) LIBS=$my_ac_save_LIBS if test "$my_ac_link_result" = "failure"; then AC_MSG_ERROR([couldn't find libraries for gethostbyname()]) else LIBS="-llib1 -llib2 $LIBS" fi This is of course the two-lib test, which should be used as a fallback when the normal one-library test fail. Lars J
