netlink: automatically increase netlink receive buffer on errors

[thirdparty/lldpd.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a36efee980f1c4a9b4eddd9bcc9646a8c36f7074..b871f94b092ebe33264e48af3a742419074bc607 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -90,6 +90,8 @@ AX_CFLAGS_GCC_OPTION([-Wno-sign-compare], [LLDP_CFLAGS]) dnl Should be fixed lat
 AX_LDFLAGS_OPTION([-Wl,-z,relro], [LLDP_LDFLAGS])
 AX_LDFLAGS_OPTION([-Wl,-z,now], [LLDP_LDFLAGS])
 
+AC_C_TYPEOF
+
 # Hardening
 AC_ARG_ENABLE([hardening],
   [AS_HELP_STRING([--enable-hardening],
@@ -172,7 +174,10 @@ PKG_CHECK_MODULES([libbsd], [libbsd-overlay], [
   CFLAGS="$CFLAGS $libbsd_CFLAGS"
   LIBS="$LIBS $libbsd_LIBS"
   AC_MSG_CHECKING([if libbsd can be linked correctly])
-  AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
+  AC_TRY_LINK([
+@%:@include <sys/time.h>
+@%:@include <sys/types.h>
+],[],
     [
       AC_MSG_RESULT(yes)
       LLDP_CFLAGS="$LLDP_CFLAGS $libbsd_CFLAGS"
@@ -286,6 +291,7 @@ else
    lldp_CHECK_JANSSON
    lldp_CHECK_JSONC
 fi
+lldp_ARG_ENABLE([json0], [use of pre-0.9.2 JSON/json-c format], [no])
 
 # Seccomp
 AC_ARG_WITH([seccomp],
@@ -341,6 +347,11 @@ lldp_ARG_WITH([privsep-chroot], [Which directory to use to chroot lldpd], [${run
 lldp_ARG_WITH([lldpd-ctl-socket], [Path to socket for communication with lldpd], [${runstatedir}/lldpd.socket])
 lldp_ARG_WITH([lldpd-pid-file], [Path to lldpd PID file], [${runstatedir}/lldpd.pid])
 
+# Netlink
+lldp_ARG_WITH_UNQUOTED([netlink-max-receive-bufsize], [Netlink maximum receive buffer size], [4*1024*1024])
+lldp_ARG_WITH_UNQUOTED([netlink-receive-bufsize], [Netlink initial receive buffer size], [256*1024])
+lldp_ARG_WITH_UNQUOTED([netlink-send-bufsize], [Netlink send buffer size], [0])
+
 # CDP/FDP/EDP/SONMP
 lldp_ARG_ENABLE([cdp], [Cisco Discovery Protocol], [yes])
 lldp_ARG_ENABLE([fdp], [Foundry Discovery Protocol], [yes])
@@ -364,10 +375,8 @@ if test x"$os" = x"Linux"; then
     fi
 fi
 
-# Build date
-if test x"$SOURCE_DATE_EPOCH" != x; then
-   AC_DEFINE_UNQUOTED(BUILD_DATE, "[$SOURCE_DATE_EPOCH]", [Build date and time])
-fi
+AX_BUILD_DATE_EPOCH(BUILD_DATE, "%FT%TZ", [BUILD_DATE="(unknown)"])
+AC_DEFINE_UNQUOTED(BUILD_DATE, "[$BUILD_DATE]", [Build date and time])
 AC_DEFINE_UNQUOTED(LLDP_CC, "[$CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS]", [C compiler command])
 AC_DEFINE_UNQUOTED(LLDP_LD, "[$LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS]", [Linker compiler command])
 
@@ -427,6 +436,10 @@ cat <<EOF
   Enabled........: $enable_privsep
   User/group.....: ${with_privsep_user}/${with_privsep_group}
   Chroot.........: ${with_privsep_chroot}
+
+ Instrumentation (for devs only):
+  Sanitizers.....: ${sanitizers:-none}
+  Coverage.......: ${gcov}
 ------------- Compiler version --------------
 $($CC --version || true)
 -------------- Linker version ---------------