Jeff Squyres wrote: > Is there a way to disable the present-but-cannot-be-compiled header > warning from AC_CHECK_HEADERS in AC 2.61? I don't see any mention of > disabling this warning in either the "Header Present But Cannot Be > Compiled" or "Generic Header Checks" sections in the 2.61 docs. > > I ask because we added some AC_CHECK_HEADERS into our configure.ac > specifically because we know that there are systems out there that have > uncompilable headers with some compilers (e.g., some kernel header files > don't play nicely with non-gnu compilers in 32 bit mode). > > All we want is a HAVE_<foo>_H macro (or not) -- our source code can > react as appropriate (e.g., we can disable the feature that requires the > <foo> header file). Specifically: we *don't* want users to report this > to our mailing list every time it happens:
You should use four-arguments AC_CHECK_HEADERS. Pass AC_INCLUDES_DEFAULT as the fourth argument if you want to filter out headers that cannot be compiled; pass [-] if you don't want that. This is undocumented, I admit. Paolo _______________________________________________ Autoconf mailing list Autoconf@gnu.org http://lists.gnu.org/mailman/listinfo/autoconf
