__glibc_has_attribute 45 maint/gnulib/lib/cdefs.h # define __glibc_has_attribute(attr) __has_attribute (attr) __glibc_has_attribute 47 maint/gnulib/lib/cdefs.h # define __glibc_has_attribute(attr) 0 __glibc_has_attribute 147 maint/gnulib/lib/libc-config.h # undef __glibc_has_attribute