# Enable GNU extensions.
# Define this here, not in acconfig's @TOP@ section, since definitions
# in the latter don't make it into the configure-time tests.
-AC_GNU_SOURCE
+AC_USE_SYSTEM_EXTENSIONS
AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
+AC_DEFINE([_POSIX_C_SOURCE], 200809L, [Enable POSIX features])
dnl Checks for programs.
AM_PROG_CC_C_O
LIBS="$LIBS -L/sw/lib"
fi
-AX_CHECK_COMPILE_FLAG([-std=c11], [CPPFLAGS="-std=c11"])
+AX_CHECK_COMPILE_FLAG([-std=c11], [CFLAGS="$CFLAGS -std=c11"])
dnl Compiler hardening flags
dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
]
);
-dnl Allow building without Catta
-AC_ARG_ENABLE([catta], AS_HELP_STRING([--disable-catta], [disable linking with the Catta library]))
-AS_IF([test "x$enable_catta" != "xno"],
- AC_DEFINE(HAVE_CATTA, 1, [Link with Catta])
- AC_CONFIG_SUBDIRS([catta])
-)
-AM_CONDITIONAL(CATTA, test "x$enable_catta" != "xno")
-
dnl UTCP debug flags
AC_ARG_ENABLE([utcp_debug], AS_HELP_STRING([--enable-utcp-debug], [compile utcp with debug output]))
AS_IF([test "x$enable_utcp_debug" = "xyes"],
dnl Checks for header files.
dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
-AC_CHECK_HEADERS([syslog.h sys/file.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h curses.h ifaddrs.h])
+AC_CHECK_HEADERS([syslog.h sys/file.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h curses.h ifaddrs.h stdatomic.h])
dnl Checks for typedefs, structures, and compiler characteristics.
MeshLink_ATTRIBUTE(__malloc__)