Thomas Dickey wrote, quoting Eric Blake: >> Have you tried AC_CHECK_DECLS instead? You really are checking >> whether sigsetjmp is declared and you can compile with it, not >> whether it is a function and you can link with it. > > But supposing that I wanted to pass around a pointer to it, that > wouldn't help much. How do you pass around a pointer to an entity which is implemented as a preprocessor macro? http://www.opengroup.org/onlinepubs/009695399/toc.htm | The ISO C standard specifies various restrictions on the usage of | the setjmp() macro in order to permit implementors to recognize | the name in the compiler and not implement an actual function. | These same restrictions apply to the sigsetjmp() macro. Regards, Keith. _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
