# Configure autoconf
AC_PREREQ([2.64])
-dnl Use something like this if you need to patch autoconf files and
-dnl regenerate configure outside upstream git tree:
-dnl AC_INIT([lldpd], [0.5.7], [bernat@luffy.cx])
AC_INIT([lldpd],
- [m4_esyscmd_s([git describe --tags --always 2> /dev/null || date +%F])],
- [bernat@luffy.cx])
+ [m4_esyscmd_s([./get-version])],
+ [https://github.com/vincentbernat/lldpd/issues],
+ [lldpd],
+ [http://vincentbernat.github.io/lldpd/])
AC_CONFIG_SRCDIR([src/log.c])
AC_CONFIG_HEADER([config.h])
-AC_CONFIG_FILES([Makefile src/Makefile src/compat/Makefile src/daemon/Makefile
- src/lib/Makefile src/lib/lldpctl.pc src/client/Makefile
- tests/Makefile])
+AC_CONFIG_FILES([Makefile
+ src/Makefile
+ src/compat/Makefile
+ src/daemon/Makefile
+ src/lib/Makefile
+ src/client/Makefile
+ tests/Makefile
+ osx/Makefile])
AC_CONFIG_MACRO_DIR([m4])
+AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
# Configure automake
-AM_INIT_AUTOMAKE([foreign -Wall -Werror])
+AM_INIT_AUTOMAKE([foreign subdir-objects -Wall -Werror tar-ustar])
AM_MAINTAINER_MODE
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)])
# Configure libtool
LT_INIT
+gl_LD_VERSION_SCRIPT
#######################
### Checks
# Checks for programs.
AC_PROG_CC
AC_PROG_CC_C99
+if test x"$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
+AC_PROG_EGREP
+AC_PROG_AWK
# Doxygen
DX_HTML_FEATURE(ON)
DX_INIT_DOXYGEN([lldpd], [doxygen.cfg], [doxygen])
# Check some compiler flags
-AX_CFLAGS_GCC_OPTION([-fdiagnostics-show-option])
-AX_CFLAGS_GCC_OPTION([-pipe])
-AX_CFLAGS_GCC_OPTION([-Wall])
-AX_CFLAGS_GCC_OPTION([-W])
-AX_CFLAGS_GCC_OPTION([-Wextra])
-AX_CFLAGS_GCC_OPTION([-Wformat])
-AX_CFLAGS_GCC_OPTION([-Wformat-security])
-AX_CFLAGS_GCC_OPTION([-Wfatal-errors])
-AX_CFLAGS_GCC_OPTION([-Wcast-align])
-AX_CFLAGS_GCC_OPTION([-Winline])
-AX_CFLAGS_GCC_OPTION([-fstack-protector])
-AX_CFLAGS_GCC_OPTION([-D_FORTIFY_SOURCE=2])
-AX_CFLAGS_GCC_OPTION([-Wno-unused-parameter])
-AX_CFLAGS_GCC_OPTION([-Wno-missing-field-initializers])
-AX_CFLAGS_GCC_OPTION([-Wno-sign-compare]) dnl Should be fixed later
-AX_LDFLAGS_OPTION([-Wl,-z,relro])
-AX_LDFLAGS_OPTION([-Wl,-z,now])
+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([-Wall], [LLDP_CFLAGS])
+AX_CFLAGS_GCC_OPTION([-W], [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([-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-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])
+
+# Hardening
+AC_ARG_ENABLE([hardening],
+ [AS_HELP_STRING([--enable-hardening],
+ [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"$hardening" != x"no"; then
+ AX_CFLAGS_GCC_OPTION([-fstack-protector], [LLDP_CFLAGS])
+ AX_CFLAGS_GCC_OPTION([-fstack-protector-all], [LLDP_CFLAGS])
+ AX_CFLAGS_GCC_OPTION([-fstack-protector-strong], [LLDP_CFLAGS])
+ AX_CFLAGS_GCC_OPTION([-D_FORTIFY_SOURCE=2], [LLDP_CPPFLAGS])
+fi
+if test x"$pie" = x"yes"; then
+ AX_CFLAGS_GCC_OPTION([-fPIE], [LLDP_CFLAGS])
+ AX_LDFLAGS_OPTION([-fPIE -pie], [LLDP_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 $sanitizers"
+ AC_DEFINE([HAVE_ADDRESS_SANITIZER], 1, [Define if have both address and leak sanitizer])
+fi
+ ])
# OS
lldp_CHECK_OS
+lldp_CFLAGS_OS
AC_CACHE_SAVE
# Checks for header files.
AC_HEADER_RESOLV
AC_CHECK_HEADERS([valgrind/valgrind.h])
+lldp_CHECK_STDINT
AC_CACHE_SAVE
# Checks for typedefs, structures, and compiler characteristics.
lldp_CHECK___PROGNAME
+lldp_CHECK_ALIGNOF
# Checks for library functions.
AC_CONFIG_LIBOBJ_DIR([src/compat])
AC_FUNC_MALLOC
AC_FUNC_REALLOC
-AC_REPLACE_FUNCS([strlcpy strnlen])
+AC_FUNC_FORK
+
+# Some functions can be in libbsd
+PKG_CHECK_MODULES([libbsd], [libbsd-overlay], [
+ _save_CFLAGS="$CFLAGS"
+ _save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $libbsd_CFLAGS"
+ LIBS="$LIBS $libbsd_LIBS"
+ AC_MSG_CHECKING([if libbsd can be linked correctly])
+ AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
+ [
+ AC_MSG_RESULT(yes)
+ LLDP_CFLAGS="$LLDP_CFLAGS $libbsd_CFLAGS"
+ LLDP_LDFLAGS="$LLDP_LDFLAGS $libbsd_LIBS"
+ ],[
+ AC_MSG_RESULT(no)
+ CFLAGS="$_save_CFLAGS"
+ LIBS="$_save_LIBS"
+ ])
+], [:])
+
+# setproctitle may have an _init function
+AC_REPLACE_FUNCS([setproctitle])
+AC_CHECK_FUNCS([setproctitle_init])
+# Other functions
+AC_REPLACE_FUNCS([strlcpy
+ strnlen
+ strndup
+ getline
+ asprintf
+ vsyslog
+ daemon])
+# Optional functions
AC_CHECK_FUNCS([setresuid setresgid])
-AC_SEARCH_LIBS([__res_init], resolv bind, AC_DEFINE([HAVE_RES_INIT], 1, [Define to indicate that res_init() exists]),
-AC_SEARCH_LIBS([res_9_init], resolv bind, AC_DEFINE([HAVE_RES_INIT], 1, [Define to indicate that res_init() exists]),
-AC_SEARCH_LIBS([res_init], resolv bind, AC_DEFINE([HAVE_RES_INIT], 1, [Define to indicate that res_init() exists]))))
+# 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_LANG_PROGRAM([$1
+@%:@include <resolv.h>], [return $2 ();])])
+AC_SEARCH_LIBS([res_init], resolv bind,
+ AC_DEFINE([HAVE_RES_INIT], 1,
+ [Define to indicate that res_init() exists]))
+m4_popdef([AC_LANG_CALL(C)])
AC_CACHE_SAVE
## Unit tests wich check
PKG_CHECK_MODULES([CHECK], [check >= 0.9.4], [have_check=yes], [have_check=no])
-# Libevent
+# Third-party libraries
lldp_CHECK_LIBEVENT
+# Compatibility with pkg.m4 < 0.27
+m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR],
+ [AC_ARG_WITH([pkgconfigdir],
+ [AS_HELP_STRING([--with-pkgconfigdir],
+ [install directory for *.pc pkg-config file])],
+ [],[with_pkgconfigdir='$(libdir)/pkgconfig'])
+ AC_SUBST([pkgconfigdir], [${with_pkgconfigdir}])])
+
#######################
### Options
AC_ARG_WITH([readline],
AS_HELP_STRING(
[--with-readline],
- [Enable the use of readline-like library @<:@default=check@:>@]),
+ [Enable the use of readline-like library @<:@default=auto@:>@]),
[],
- [with_readline=check])
+ [with_readline=auto])
if test x"$with_readline" != x"no"; then
AX_LIB_READLINE
- if test x"$with_readline" != x"check"; then
+ if test x"$with_readline" != x"check" -a x"$with_readline" != x"auto"; then
if test x"$ax_cv_lib_readline" = x"no"; then
AC_MSG_FAILURE([*** no readline support found])
fi
AC_ARG_WITH([snmp],
AS_HELP_STRING(
[--with-snmp],
- [Enable the use of SNMP @<:@default=no@:>@]
- ))
-if test x"$with_snmp" = x"yes"; then
- lldp_CHECK_SNMP
-fi
+ [Enable the use of SNMP @<:@default=no@:>@]),
+ [],
+ [with_snmp=no])
+lldp_CHECK_SNMP
# XML
AC_ARG_WITH([xml],
- AC_HELP_STRING(
+ AS_HELP_STRING(
[--with-xml],
- [Enable XML output via libxml2 @<:@default=no@:>@]
- ))
-if test x"$with_xml" = x"yes"; then
- lldp_CHECK_XML2
-fi
+ [Enable XML output via libxml2 @<:@default=auto@:>@]),
+ [],
+ [with_xml=auto])
+lldp_CHECK_XML2
# JSON
AC_ARG_WITH([json],
- AC_HELP_STRING(
+ AS_HELP_STRING(
[--with-json],
- [Enable JSON output via Jansson @<:@default=no@:>@]
- ))
-if test x"$with_json" = x"yes"; then
+ [Enable JSON output via janson or json-c @<:@default=auto@:>@]),
+ [],
+ [with_json=auto])
+if test x"$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"$_with_json" = x"yes"; then
+ AC_MSG_FAILURE([*** no JSON support found])
+ fi
+else
+ lldp_CHECK_JANSSON
+ lldp_CHECK_JSONC
fi
+# Seccomp
+AC_ARG_WITH([seccomp],
+ AS_HELP_STRING(
+ [--with-seccomp],
+ [Enable seccomp support (with libseccomp, experimental) @<:@default=no@:>@]),
+ [],
+ [with_seccomp=no])
+lldp_CHECK_SECCOMP
+
+# OS X launchd support
+lldp_ARG_WITH([launchddaemonsdir], [Directory for launchd configuration file (OSX)],
+ [/Library/LaunchDaemons])
+AC_SUBST([launchddaemonsdir], [$with_launchddaemonsdir])
+AM_CONDITIONAL(HAVE_LAUNCHDDAEMONSDIR,
+ [test -n "$with_launchddaemonsdir" -a "x$with_launchddaemonsdir" != xno ])
+
+# Systemd
+lldp_ARG_WITH([systemdsystemunitdir], [Directory for systemd service files],
+ [$($PKG_CONFIG --variable=systemdsystemunitdir systemd 2> /dev/null)])
+AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
+AM_CONDITIONAL(HAVE_SYSTEMDSYSTEMUNITDIR,
+ [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ])
+
+# sysusers
+lldp_ARG_WITH([sysusersdir], [Directory for sysusers files],
+ [$($PKG_CONFIG --variable=sysusersdir systemd 2> /dev/null)])
+AC_SUBST([sysusersdir], [$with_sysusersdir])
+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$with_apprmordir" != xno ])
+
+# Systemtap/DTrace
+lldp_SYSTEMTAP
+
# Privsep settings
+lldp_ARG_ENABLE([privsep], [Privilege separation], [yes])
lldp_ARG_WITH([privsep-user], [Which user to use for privilege separation], [_lldpd])
lldp_ARG_WITH([privsep-group], [Which group to use for privilege separation], [_lldpd])
-lldp_ARG_WITH([privsep-chroot], [Which directory to use to chroot lldpd], [/var/run/lldpd])
+
+# Directories
+dnl On autoconf 2.69 and before, runstatedir is not configurable, let be able to use it anyway
+if test "x$runstatedir" = x; then
+ AC_SUBST([runstatedir], ['${localstatedir}/run'])
+fi
+lldp_ARG_WITH([privsep-chroot], [Which directory to use to chroot lldpd], [${runstatedir}/lldpd])
+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])
# CDP/FDP/EDP/SONMP
lldp_ARG_ENABLE([cdp], [Cisco Discovery Protocol], [yes])
lldp_ARG_ENABLE([lldpmed], [LLDP-MED extension], [yes])
lldp_ARG_ENABLE([dot1], [Dot1 extension (VLAN stuff)], [yes])
lldp_ARG_ENABLE([dot3], [Dot3 extension (PHY stuff)], [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, "[$MIN_LINUX_KERNEL_VERSION]", [Minimal Linux kernel version required])
+ else
+ AC_DEFINE(MIN_LINUX_KERNEL_VERSION, "2.6.11", [Minimal kernel version required])
+ fi
+fi
+
+# Build date
+if test x"$SOURCE_DATE_EPOCH" != x; then
+ AC_DEFINE_UNQUOTED(BUILD_DATE, "[$SOURCE_DATE_EPOCH]", [Build date and time])
+fi
+AC_DEFINE_UNQUOTED(LLDP_CC, "[$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"$with_json" = x"yes"])
+AM_CONDITIONAL([USE_JSON], [test x"$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"])
AC_OUTPUT
-if test x"$LIBEVENT_LDFLAGS" = x; then
+if test x"$LIBEVENT_EMBEDDED" = x; then
libevent=system
else
libevent=embedded
------------------ Summary ------------------
$PACKAGE_NAME version $PACKAGE_VERSION
+ OS.............: $os
Prefix.........: $prefix
- C Compiler.....: $CC $CFLAGS $CPPFLAGS
- Linker.........: $LD $LDFLAGS $LIBS
+ C Compiler.....: $CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS
+ 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
LLDPMED........: $enable_lldpmed
DOT1...........: $enable_dot1
DOT3...........: $enable_dot3
+ CUSTOM.........: $enable_custom
XML output.....: ${with_xml-no}
JSON output....: ${with_json-no}
Oldies support.: $enable_oldies
+ seccomp........: ${with_seccomp-no}
+
+ Privilege separation:
+ Enabled........: $enable_privsep
+ User/group.....: ${with_privsep_user}/${with_privsep_group}
+ Chroot.........: ${with_privsep_chroot}
+------------- Compiler version --------------
+$($CC --version || true)
+-------------- Linker version ---------------
+$($LD --version || true)
---------------------------------------------
Check the above options and compile with: