AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
# Configure automake
-AM_INIT_AUTOMAKE([foreign subdir-objects -Wall -Werror])
+AM_INIT_AUTOMAKE([foreign subdir-objects -Wall -Werror tar-ustar])
AM_MAINTAINER_MODE
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)])
# Configure libtool
LT_INIT
+gl_LD_VERSION_SCRIPT
#######################
### Checks
if test x"$ac_cv_prog_cc_c99" = x"no"; then
AC_MSG_FAILURE([*** C99 support is mandatory])
fi
-AC_PROG_CXX
AM_PROG_CC_C_O
AC_PROG_LIBTOOL
AC_PROG_LN_S
DX_INIT_DOXYGEN([lldpd], [doxygen.cfg], [doxygen])
# Check some compiler flags
+AX_CFLAGS_GCC_OPTION([-Wunknown-warning-option], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-fdiagnostics-show-option], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-fdiagnostics-color=auto], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-pipe], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-Wextra], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-Wformat], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-Wformat-security], [LLDP_CFLAGS])
+AX_CFLAGS_GCC_OPTION([-Wimplicit-fallthrough], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-Wfatal-errors], [LLDP_CFLAGS])
-AX_CFLAGS_GCC_OPTION([-Wcast-align], [LLDP_CFLAGS])
+AX_CFLAGS_GCC_OPTION([-Wheader-guard], [LLDP_CFLAGS])
+AX_CFLAGS_GCC_OPTION([-Wdocumentation], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-Winline], [LLDP_CFLAGS])
+AX_CFLAGS_GCC_OPTION([-Wpointer-arith], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-fno-omit-frame-pointer], [LLDP_CFLAGS])
+AX_CFLAGS_GCC_OPTION([-Wno-cast-align], [LLDP_CFLAGS]) dnl clang is bad at this
AX_CFLAGS_GCC_OPTION([-Wno-unused-parameter], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-Wno-missing-field-initializers], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-Wno-sign-compare], [LLDP_CFLAGS]) dnl Should be fixed later
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],
- [Enable compiler and linker options to frustrate memory corruption exploits @<:@yes@:>@])],
+ [Enable compiler and linker options to frustrate memory corruption exploits @<:@default=yes@:>@])],
[hardening="$enableval"],
[hardening="yes"])
+AC_ARG_ENABLE([pie],
+ [AS_HELP_STRING([--enable-pie],
+ [Enable PIE (position independant executable) @<:@default=no@:>@])],
+ [pie="$enableval"],
+ [pie="no"])
if test x"$hardening" != x"no"; then
AX_CFLAGS_GCC_OPTION([-fstack-protector], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-fstack-protector-all], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-fstack-protector-strong], [LLDP_CFLAGS])
+ AX_CFLAGS_GCC_OPTION([-fstack-protector-strong], [LLDP_CFLAGS])
+ AX_CFLAGS_GCC_OPTION([-fstack-clash-protection], [LLDP_CFLAGS])
AX_CFLAGS_GCC_OPTION([-D_FORTIFY_SOURCE=2], [LLDP_CPPFLAGS])
+fi
+if test x"$pie" = x"yes"; then
AX_CFLAGS_GCC_OPTION([-fPIE], [LLDP_CFLAGS])
- AX_LDFLAGS_OPTION([-fPIE -pie], [LLDP_LDFLAGS])
+ AX_LDFLAGS_OPTION([-fPIE -pie], [LLDP_BIN_LDFLAGS],
+ [AX_LDFLAGS_OPTION([-fPIE -Wl,-pie], [LLDP_BIN_LDFLAGS])])
+fi
+
+# Sanitizers
+AC_ARG_ENABLE([sanitizers],
+ AS_HELP_STRING([--enable-sanitizers],
+ [Enable code instrumentation with selected sanitizers @<:@default=no@:>@]),
+ [
+case "$enableval" in
+ no) sanitizers= ;;
+ yes) sanitizers="-fsanitize=address,undefined" ;;
+ *) sanitizers="-fsanitize=$enableval" ;;
+esac
+if test x"$sanitizers" != x; then
+ LLDP_CFLAGS="$LLDP_CFLAGS $sanitizers"
+ LLDP_LDFLAGS="$LLDP_LDFLAGS $sanitizers"
+ AC_DEFINE([HAVE_ADDRESS_SANITIZER], 1, [Define if have both address and leak sanitizer])
+elif test x"$hardening" != x"no"; then
+ AX_LDFLAGS_OPTION([-fsanitize=safe-stack], [LLDP_BIN_LDFLAGS])
+ if test x"$ax_cv_ld_check_flag__fsanitize_safe_stack" != x"no"; then
+ AX_CFLAGS_GCC_OPTION([-fsanitize=safe-stack], [LLDP_CFLAGS])
+ fi
+fi
+ ])
+
+# Code coverage
+AC_ARG_ENABLE([gcov],
+ AS_HELP_STRING([--enable-gcov],
+ [Enable coverage instrumentation @<:@default=no@:>@]),
+ [gcov="$enableval"],
+ [gcov="no"])
+if test x"$gcov" != x"no"; then
+ LLDP_CFLAGS="$LLDP_CFLAGS --coverage"
+ LLDP_LDFLAGS="$LLDP_LDFLAGS --coverage"
fi
# OS
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_FORK
-# setproctitle (maybe through libbsd)
-AC_SEARCH_LIBS([setproctitle], [util bsd])
+
+# Some functions can be in libbsd
+AC_ARG_WITH([libbsd],
+ AS_HELP_STRING(
+ [--with-libbsd],
+ [Use libbsd @<:@default=auto@:>@]),
+ [],
+ [with_libbsd=auto])
+if test x"$with_libbsd" != x"no"; then
+ PKG_CHECK_MODULES([libbsd], [libbsd-overlay], [
+ _save_CFLAGS="$CFLAGS"
+ _save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $libbsd_CFLAGS"
+ LIBS="$LIBS $libbsd_LIBS"
+ AC_MSG_CHECKING([if libbsd can be linked correctly])
+ AC_TRY_LINK([
+ @%:@include <sys/time.h>
+ @%:@include <sys/types.h>
+ ],[],
+ [
+ AC_MSG_RESULT(yes)
+ LLDP_CFLAGS="$LLDP_CFLAGS $libbsd_CFLAGS"
+ LLDP_LDFLAGS="$LLDP_LDFLAGS $libbsd_LIBS"
+ with_libbsd=yes
+ ],[
+ AC_MSG_RESULT(no)
+ CFLAGS="$_save_CFLAGS"
+ LIBS="$_save_LIBS"
+ if test x"$with_libbsd" = x"yes"; then
+ AC_MSG_FAILURE([*** no libbsd support found])
+ fi
+ with_libbsd=no
+ ])
+ ], [
+ if test x"$with_libbsd" = x"yes"; then
+ AC_MSG_FAILURE([*** no libbsd support found])
+ fi
+ with_libbsd=no
+ ])
+fi
+
+# setproctitle may have an _init function
AC_REPLACE_FUNCS([setproctitle])
AC_CHECK_FUNCS([setproctitle_init])
# Other functions
AC_REPLACE_FUNCS([strlcpy
strnlen
strndup
- fgetln
+ strtonum
+ getline
asprintf
vsyslog
daemon])
# Optional functions
AC_CHECK_FUNCS([setresuid setresgid])
-case " $LIBS " in
- *\ -lbsd\ *)
- AC_DEFINE(HAVE_LIBBSD, 1, [Define if libbsd is used])
- ;;
-esac
-
# Check for res_init. On OSX, res_init is a symbol in libsystem_info
# and a macro in resolv.h. We need to ensure we test with resolv.h.
m4_pushdef([AC_LANG_CALL(C)], [
AC_CACHE_SAVE
## Unit tests wich check
-PKG_CHECK_MODULES([CHECK], [check >= 0.9.4], [have_check=yes], [have_check=no])
+PKG_CHECK_MODULES([check], [check >= 0.9.4], [have_check=yes], [have_check=no])
-# Libevent
+# Third-party libraries
lldp_CHECK_LIBEVENT
+lldp_CHECK_LIBCAP
# Compatibility with pkg.m4 < 0.27
m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR],
[with_xml=auto])
lldp_CHECK_XML2
-# JSON
-AC_ARG_WITH([json],
- AS_HELP_STRING(
- [--with-json],
- [Enable JSON output via janson or json-c @<:@default=auto@:>@]),
- [],
- [with_json=auto])
-if test x"$with_json" = x"yes" -o x"$with_json" = x"auto"; then
- _with_json="$with_json"
- with_json=auto
- lldp_CHECK_JANSSON
- if test x"$with_json" = x"no"; then
- with_json=auto
- lldp_CHECK_JSONC
- fi
- if test x"$with_json" = x"no" -a x"$_with_json" = x"yes"; then
- AC_MSG_FAILURE([*** no JSON support found])
- fi
-else
- lldp_CHECK_JANSSON
- lldp_CHECK_JSONC
-fi
+# JSON (built-in)
+lldp_ARG_ENABLE([json0], [use of pre-0.9.2 JSON/json-c format], [no])
# Seccomp
AC_ARG_WITH([seccomp],
AS_HELP_STRING(
[--with-seccomp],
- [Enable seccomp support (with libseccomp) @<:@default=no@:>@]),
+ [Enable seccomp support (with libseccomp, experimental) @<:@default=no@:>@]),
[],
[with_seccomp=no])
lldp_CHECK_SECCOMP
AM_CONDITIONAL(HAVE_SYSUSERSDIR,
[test -n "$with_sysusersdir" -a "x$with_sysusersdir" != xno ])
+# AppArmor
+lldp_ARG_WITH([apparmordir], [Directory for AppArmor profiles (Linux)],
+ [no])
+AC_SUBST([apparmordir], [$with_apparmordir])
+AM_CONDITIONAL(HAVE_APPARMORDIR,
+ [test -n "$with_apparmordir" -a "x$with_apparmordir" != xno ])
+
# Systemtap/DTrace
lldp_SYSTEMTAP
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], [1024*1024])
+lldp_ARG_WITH_UNQUOTED([netlink-receive-bufsize], [Netlink initial receive buffer size], [0])
+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])
lldp_ARG_ENABLE([custom], [Custom TLV support], [yes])
# Oldies
-lldp_ARG_ENABLE([oldies], [compatibility with Linux kernel older than 2.6.18], [no])
+MIN_LINUX_KERNEL_VERSION=2.6.39
+lldp_ARG_ENABLE([oldies], [compatibility with Linux kernel older than 2.6.39], [no])
+if test x"$os" = x"Linux"; then
+ if test x"$enable_oldies" = x"no"; then
+ AC_DEFINE_UNQUOTED(MIN_LINUX_KERNEL_VERSION, "[$MIN_LINUX_KERNEL_VERSION]", [Minimal Linux kernel version required])
+ else
+ AC_DEFINE(MIN_LINUX_KERNEL_VERSION, "2.6.11", [Minimal kernel version required])
+ fi
+fi
+
+AX_BUILD_DATE_EPOCH(BUILD_DATE, "%FT%TZ", [BUILD_DATE="(unknown)"])
+AC_DEFINE_UNQUOTED(BUILD_DATE, "[$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 $LIBS]", [Linker compiler command])
#######################
# Output results
AC_SUBST([LLDP_CFLAGS])
AC_SUBST([LLDP_CPPFLAGS])
AC_SUBST([LLDP_LDFLAGS])
+AC_SUBST([LLDP_BIN_LDFLAGS])
AM_CONDITIONAL([HAVE_CHECK], [test x"$have_check" = x"yes"])
AM_CONDITIONAL([USE_SNMP], [test x"$with_snmp" = x"yes"])
AM_CONDITIONAL([USE_XML], [test x"$with_xml" = x"yes"])
-AM_CONDITIONAL([USE_JSON], [test x"$with_json" = x"json-c" || test -x"$with_json" = x"jansson"])
-AM_CONDITIONAL([USE_JANSSON], [test x"$with_json" = x"jansson"])
-AM_CONDITIONAL([USE_JSONC], [test x"$with_json" = x"json-c"])
AM_CONDITIONAL([USE_SECCOMP], [test x"$with_seccomp" = x"yes"])
+dnl If old default of AR_FLAGS is otherwise being used (because of older automake),
+dnl replace it with one without 'u'
+if test "x$AR_FLAGS" = "xcru" ; then
+ AR_FLAGS="cr"
+fi
AC_OUTPUT
if test x"$LIBEVENT_EMBEDDED" = x; then
OS.............: $os
Prefix.........: $prefix
C Compiler.....: $CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS
- Linker.........: $LD $LLDP_LDFLAGS $LDFLAGS $LIBS
+ Linker.........: $LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS
Libevent.......: $libevent
Readline.......: ${ax_cv_lib_readline}
+
Optional features:
SNMP support...: ${with_snmp-no}
CDP............: $enable_cdp
DOT3...........: $enable_dot3
CUSTOM.........: $enable_custom
XML output.....: ${with_xml-no}
- JSON output....: ${with_json-no}
Oldies support.: $enable_oldies
seccomp........: ${with_seccomp-no}
+ libbsd.........: ${with_libbsd-no}
+
Privilege separation:
Enabled........: $enable_privsep
User/group.....: ${with_privsep_user}/${with_privsep_group}
Chroot.........: ${with_privsep_chroot}
+
+ Instrumentation (for devs only):
+ Sanitizers.....: ${sanitizers:-none}
+ Coverage.......: ${gcov}
+------------- Compiler version --------------
+$($CC --version || true)
+-------------- Linker version ---------------
+$($LD --version || true)
---------------------------------------------
Check the above options and compile with:
projects / thirdparty / lldpd.git / blobdiff