> Thanks for the patch. However, I don't want to apply it just yet. > There is a bigger issue that several tests fail when running the > autoconf testsuite under -Wall -Werror (I have tried this in the > past); in particular, some warnings occur when testing for functions > that might be implemented as a compiler builtin (such as printf) for > which I don't know how to silence the warning. Changing > AT_CHECK_MACRO without a fix for every macro provided by autoconf > will lead to false testsuite failures.
Look at the patch. Use -fno-builtin to silence the warning. On my system, the testsuite gives me the same results with the patches applied (the one for AC_C_CONST and the one for AT_CHECK_MACRO) and without. However some tests fails in both cases. Didier
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