AM_SILENT_RULES([yes])
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
-AH_TOP([#ifndef SRD_CONFIG_H
-#define SRD_CONFIG_H /* To stop multiple inclusions. */])
-AH_BOTTOM([#endif /* SRD_CONFIG_H */])
-
AC_CANONICAL_HOST
# Checks for programs.
# Required for per-target flags or subdir-objects with C sources.
AM_PROG_CC_C_O
+# Set the standard the C library headers should conform to.
+AH_VERBATIM([_POSIX_C_SOURCE], [/* The targeted POSIX standard. */
+#ifndef _POSIX_C_SOURCE
+# define _POSIX_C_SOURCE 200112L
+#endif])
+
# Get compiler versions.
SR_PROG_VERSION([$CC], [srd_cc_version])