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[meshlink] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1047dc1b7101b69f3419f3c244bc306403305d0e..f526d927ac3d0a8d0a2b08834cb5fe46eeee12a9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -12,8 +12,9 @@ AM_SILENT_RULES([yes])
 # 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
@@ -81,14 +82,6 @@ AS_IF([test "x$enable_hardening" != "xno"],
   ]
 );
 
-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$enable_utcp_debug" = "xyes"],
@@ -123,7 +116,7 @@ AM_CONDITIONAL(INSTALL_TESTS, test "$install_tests" = true)
 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__)