AC_CONFIG_HEADER([config.h])
AC_CONFIG_MACRO_DIR([m4])
-AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign subdir-objects])
+AM_SILENT_RULES([yes])
AC_PROG_CC_C99
+AM_PROG_CC_C_O
gl_EARLY
AC_HEADER_ASSERT