__glibc_has_builtin 49 maint/gnulib/lib/cdefs.h # define __glibc_has_builtin(name) __has_builtin (name) __glibc_has_builtin 51 maint/gnulib/lib/cdefs.h # define __glibc_has_builtin(name) 0 __glibc_has_builtin 148 maint/gnulib/lib/libc-config.h # undef __glibc_has_builtin