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#include <cstdio>
#ifdef __GNUC__
static const int GCC = __GNUC__, GCC_MINOR = __GNUC_MINOR__;
#else
static const int GCC = 0, GCC_MINOR = 0;
#endif
#ifdef __clang__
#define has_gcc_warning(str) __has_warning(str)
#else
#define __has_warning(str) false
#define has_gcc_warning(str) true
#endif
#define disable_clang_warning(str) if (__has_warning("-W" str)) printf("-Wno-%s ", str)
#define disable_gcc_warning(str) if (has_gcc_warning("-W" str)) printf("-Wno-%s ", str)
#define disable_gcc_error(str) if (has_gcc_warning("-W" str)) printf("-Wno-error=%s ", str)
int main() {
if (!GCC) return 0;
fprintf(stderr, "gcc version = %d.%d\n", GCC, GCC_MINOR);
printf("EXTRA_CXXFLAGS = -Wall -Wno-sign-compare -Wno-unused -Werror -Wno-invalid-offsetof ");
printf("-Wno-error=unused-result "); // FIXME: Remove this once the cause of the warning is fixed
if ((GCC == 4 && GCC_MINOR >= 7) || GCC >= 5)
disable_gcc_error("maybe-uninitialized");
if (GCC >= 6)
disable_gcc_warning("misleading-indentation");
if (GCC == 7)
printf("-Walloc-size-larger-than=-1 ");
if (GCC == 10)
disable_gcc_warning("class-memaccess");
if (GCC >= 13) {
disable_gcc_error("stringop-overflow");
disable_gcc_error("array-bounds");
disable_gcc_error("restrict");
// NOTE: All three warning above are due to gcc incorrectly thinking that
// the length of word in strchr(word, ' ') (in suggest.cpp, Sugs::transfer)
// is a very large value and exceeds the maximum object size.
disable_gcc_error("alloc-size-larger-than=");
// yet another false warning, this one limited to -m32
}
disable_clang_warning("return-type-c-linkage");
disable_clang_warning("tautological-compare");
disable_clang_warning("vla-cxx-extension");
printf("\n");
}
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