[Bug preprocessor/97998] GCC should not complain about double definitions of macros whose names begin with __STDC_

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97998 --- Comment #3 from Zack Weinberg --- Rather than an ever-growing list of macros that need exempting from this rule, I would suggest flipping it around and only complaining about the "standard predefined" and "common predefined" macros (as the

[Bug preprocessor/97998] GCC should not complain about double definitions of macros whose names begin with __STDC_

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97998 --- Comment #2 from joseph at codesourcery dot com --- In bug 91451 I suggested changing this specifically for __STDC_WANT_*.

[Bug preprocessor/97998] GCC should not complain about double definitions of macros whose names begin with __STDC_

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97998 --- Comment #1 from Zack Weinberg --- For more information see Autoconf bug report and APR pull request .