2 # Process this file with autoconf to produce a configure script.
4 #######################
11 [m4_esyscmd_s([./get-version])],
12 [https://github.com/vincentbernat/lldpd/issues],
14 [http://vincentbernat.github.io/lldpd/])
16 AC_CONFIG_SRCDIR([src/log.c])
17 AC_CONFIG_HEADER([config.h])
18 AC_CONFIG_FILES([Makefile
26 AC_CONFIG_MACRO_DIR([m4])
27 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
30 AM_INIT_AUTOMAKE([foreign subdir-objects -Wall -Werror tar-ustar])
32 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)])
35 m4_pattern_allow([AM_PROG_AR])
42 #######################
45 # Checks for programs.
48 if test x"$ac_cv_prog_cc_c99" = x"no"; then
49 AC_MSG_FAILURE([*** C99 support is mandatory])
67 DX_INIT_DOXYGEN([lldpd], [doxygen.cfg], [doxygen])
69 # Check some compiler flags
70 AX_CFLAGS_GCC_OPTION([-Wunknown-warning-option], [LLDP_CFLAGS])
71 AX_CFLAGS_GCC_OPTION([-fdiagnostics-show-option], [LLDP_CFLAGS])
72 AX_CFLAGS_GCC_OPTION([-fdiagnostics-color=auto], [LLDP_CFLAGS])
73 AX_CFLAGS_GCC_OPTION([-pipe], [LLDP_CFLAGS])
74 AX_CFLAGS_GCC_OPTION([-Wall], [LLDP_CFLAGS])
75 AX_CFLAGS_GCC_OPTION([-W], [LLDP_CFLAGS])
76 AX_CFLAGS_GCC_OPTION([-Wextra], [LLDP_CFLAGS])
77 AX_CFLAGS_GCC_OPTION([-Wformat], [LLDP_CFLAGS])
78 AX_CFLAGS_GCC_OPTION([-Wformat-security], [LLDP_CFLAGS])
79 AX_CFLAGS_GCC_OPTION([-Wimplicit-fallthrough], [LLDP_CFLAGS])
80 AX_CFLAGS_GCC_OPTION([-Wfatal-errors], [LLDP_CFLAGS])
81 AX_CFLAGS_GCC_OPTION([-Wcast-align], [LLDP_CFLAGS])
82 AX_CFLAGS_GCC_OPTION([-Wheader-guard], [LLDP_CFLAGS])
83 AX_CFLAGS_GCC_OPTION([-Wdocumentation], [LLDP_CFLAGS])
84 AX_CFLAGS_GCC_OPTION([-Winline], [LLDP_CFLAGS])
85 AX_CFLAGS_GCC_OPTION([-Wpointer-arith], [LLDP_CFLAGS])
86 AX_CFLAGS_GCC_OPTION([-fno-omit-frame-pointer], [LLDP_CFLAGS])
87 AX_CFLAGS_GCC_OPTION([-Wno-unused-parameter], [LLDP_CFLAGS])
88 AX_CFLAGS_GCC_OPTION([-Wno-missing-field-initializers], [LLDP_CFLAGS])
89 AX_CFLAGS_GCC_OPTION([-Wno-sign-compare], [LLDP_CFLAGS]) dnl Should be fixed later
90 AX_LDFLAGS_OPTION([-Wl,-z,relro], [LLDP_LDFLAGS])
91 AX_LDFLAGS_OPTION([-Wl,-z,now], [LLDP_LDFLAGS])
96 AC_ARG_ENABLE([hardening],
97 [AS_HELP_STRING([--enable-hardening],
98 [Enable compiler and linker options to frustrate memory corruption exploits @<:@default=yes@:>@])],
99 [hardening="$enableval"],
102 [AS_HELP_STRING([--enable-pie],
103 [Enable PIE (position independant executable) @<:@default=no@:>@])],
107 if test x"$hardening" != x"no"; then
108 AX_CFLAGS_GCC_OPTION([-fstack-protector], [LLDP_CFLAGS])
109 AX_CFLAGS_GCC_OPTION([-fstack-protector-all], [LLDP_CFLAGS])
110 AX_CFLAGS_GCC_OPTION([-fstack-protector-strong], [LLDP_CFLAGS])
111 AX_CFLAGS_GCC_OPTION([-fstack-protector-strong], [LLDP_CFLAGS])
112 AX_CFLAGS_GCC_OPTION([-fstack-clash-protection], [LLDP_CFLAGS])
113 AX_CFLAGS_GCC_OPTION([-D_FORTIFY_SOURCE=2], [LLDP_CPPFLAGS])
115 if test x"$pie" = x"yes"; then
116 AX_CFLAGS_GCC_OPTION([-fPIE], [LLDP_CFLAGS])
117 AX_LDFLAGS_OPTION([-fPIE -pie], [LLDP_BIN_LDFLAGS],
118 [AX_LDFLAGS_OPTION([-fPIE -Wl,-pie], [LLDP_BIN_LDFLAGS])])
122 AC_ARG_ENABLE([sanitizers],
123 AS_HELP_STRING([--enable-sanitizers],
124 [Enable code instrumentation with selected sanitizers @<:@default=no@:>@]),
128 yes) sanitizers="-fsanitize=address,undefined" ;;
129 *) sanitizers="-fsanitize=$enableval" ;;
131 if test x"$sanitizers" != x; then
132 LLDP_CFLAGS="$LLDP_CFLAGS $sanitizers"
133 LLDP_LDFLAGS="$LLDP_LDFLAGS $sanitizers"
134 AC_DEFINE([HAVE_ADDRESS_SANITIZER], 1, [Define if have both address and leak sanitizer])
135 elif test x"$hardening" != x"no"; then
136 AX_LDFLAGS_OPTION([-fsanitize=safe-stack], [LLDP_BIN_LDFLAGS])
137 if test x"$ax_cv_ld_check_flag__fsanitize_safe_stack" != x"no"; then
138 AX_CFLAGS_GCC_OPTION([-fsanitize=safe-stack], [LLDP_CFLAGS])
144 AC_ARG_ENABLE([gcov],
145 AS_HELP_STRING([--enable-gcov],
146 [Enable coverage instrumentation @<:@default=no@:>@]),
149 if test x"$gcov" != x"no"; then
150 LLDP_CFLAGS="$LLDP_CFLAGS --coverage"
151 LLDP_LDFLAGS="$LLDP_LDFLAGS --coverage"
160 # Checks for header files.
162 AC_CHECK_HEADERS([valgrind/valgrind.h])
167 # Checks for typedefs, structures, and compiler characteristics.
168 lldp_CHECK___PROGNAME
171 # Checks for library functions.
172 AC_CONFIG_LIBOBJ_DIR([src/compat])
177 # Some functions can be in libbsd
178 AC_ARG_WITH([libbsd],
181 [Use libbsd @<:@default=auto@:>@]),
184 if test x"$with_libbsd" != x"no"; then
185 PKG_CHECK_MODULES([libbsd], [libbsd-overlay], [
186 _save_CFLAGS="$CFLAGS"
188 CFLAGS="$CFLAGS $libbsd_CFLAGS"
189 LIBS="$LIBS $libbsd_LIBS"
190 AC_MSG_CHECKING([if libbsd can be linked correctly])
192 @%:@include <sys/time.h>
193 @%:@include <sys/types.h>
197 LLDP_CFLAGS="$LLDP_CFLAGS $libbsd_CFLAGS"
198 LLDP_LDFLAGS="$LLDP_LDFLAGS $libbsd_LIBS"
202 CFLAGS="$_save_CFLAGS"
204 if test x"$with_libbsd" = x"yes"; then
205 AC_MSG_FAILURE([*** no libbsd support found])
210 if test x"$with_libbsd" = x"yes"; then
211 AC_MSG_FAILURE([*** no libbsd support found])
217 # setproctitle may have an _init function
218 AC_REPLACE_FUNCS([setproctitle])
219 AC_CHECK_FUNCS([setproctitle_init])
221 AC_REPLACE_FUNCS([strlcpy
230 AC_CHECK_FUNCS([setresuid setresgid])
232 # Check for res_init. On OSX, res_init is a symbol in libsystem_info
233 # and a macro in resolv.h. We need to ensure we test with resolv.h.
234 m4_pushdef([AC_LANG_CALL(C)], [
236 @%:@include <resolv.h>], [return $2 ();])])
237 AC_SEARCH_LIBS([res_init], resolv bind,
238 AC_DEFINE([HAVE_RES_INIT], 1,
239 [Define to indicate that res_init() exists]))
240 m4_popdef([AC_LANG_CALL(C)])
244 ## Unit tests wich check
245 PKG_CHECK_MODULES([check], [check >= 0.9.4], [have_check=yes], [have_check=no])
247 # Third-party libraries
251 # Compatibility with pkg.m4 < 0.27
252 m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR],
253 [AC_ARG_WITH([pkgconfigdir],
254 [AS_HELP_STRING([--with-pkgconfigdir],
255 [install directory for *.pc pkg-config file])],
256 [],[with_pkgconfigdir='$(libdir)/pkgconfig'])
257 AC_SUBST([pkgconfigdir], [${with_pkgconfigdir}])])
259 #######################
263 AC_ARG_WITH([readline],
266 [Enable the use of readline-like library @<:@default=auto@:>@]),
268 [with_readline=auto])
269 if test x"$with_readline" != x"no"; then
271 if test x"$with_readline" != x"check" -a x"$with_readline" != x"auto"; then
272 if test x"$ax_cv_lib_readline" = x"no"; then
273 AC_MSG_FAILURE([*** no readline support found])
277 ax_cv_lib_readline="no"
284 [Enable the use of SNMP @<:@default=no@:>@]),
293 [Enable XML output via libxml2 @<:@default=auto@:>@]),
299 lldp_ARG_ENABLE([json0], [use of pre-0.9.2 JSON/json-c format], [no])
302 AC_ARG_WITH([seccomp],
305 [Enable seccomp support (with libseccomp, experimental) @<:@default=no@:>@]),
310 # OS X launchd support
311 lldp_ARG_WITH([launchddaemonsdir], [Directory for launchd configuration file (OSX)],
312 [/Library/LaunchDaemons])
313 AC_SUBST([launchddaemonsdir], [$with_launchddaemonsdir])
314 AM_CONDITIONAL(HAVE_LAUNCHDDAEMONSDIR,
315 [test -n "$with_launchddaemonsdir" -a "x$with_launchddaemonsdir" != xno ])
318 lldp_ARG_WITH([systemdsystemunitdir], [Directory for systemd service files],
319 [$($PKG_CONFIG --variable=systemdsystemunitdir systemd 2> /dev/null)])
320 AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
321 AM_CONDITIONAL(HAVE_SYSTEMDSYSTEMUNITDIR,
322 [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ])
325 lldp_ARG_WITH([sysusersdir], [Directory for sysusers files],
326 [$($PKG_CONFIG --variable=sysusersdir systemd 2> /dev/null)])
327 AC_SUBST([sysusersdir], [$with_sysusersdir])
328 AM_CONDITIONAL(HAVE_SYSUSERSDIR,
329 [test -n "$with_sysusersdir" -a "x$with_sysusersdir" != xno ])
332 lldp_ARG_WITH([apparmordir], [Directory for AppArmor profiles (Linux)],
334 AC_SUBST([apparmordir], [$with_apparmordir])
335 AM_CONDITIONAL(HAVE_APPARMORDIR,
336 [test -n "$with_apparmordir" -a "x$with_apparmordir" != xno ])
342 lldp_ARG_ENABLE([privsep], [Privilege separation], [yes])
343 lldp_ARG_WITH([privsep-user], [Which user to use for privilege separation], [_lldpd])
344 lldp_ARG_WITH([privsep-group], [Which group to use for privilege separation], [_lldpd])
347 dnl On autoconf 2.69 and before, runstatedir is not configurable, let be able to use it anyway
348 if test "x$runstatedir" = x; then
349 AC_SUBST([runstatedir], ['${localstatedir}/run'])
351 lldp_ARG_WITH([privsep-chroot], [Which directory to use to chroot lldpd], [${runstatedir}/lldpd])
352 lldp_ARG_WITH([lldpd-ctl-socket], [Path to socket for communication with lldpd], [${runstatedir}/lldpd.socket])
353 lldp_ARG_WITH([lldpd-pid-file], [Path to lldpd PID file], [${runstatedir}/lldpd.pid])
356 lldp_ARG_WITH_UNQUOTED([netlink-max-receive-bufsize], [Netlink maximum receive buffer size], [1024*1024])
357 lldp_ARG_WITH_UNQUOTED([netlink-receive-bufsize], [Netlink initial receive buffer size], [0])
358 lldp_ARG_WITH_UNQUOTED([netlink-send-bufsize], [Netlink send buffer size], [0])
361 lldp_ARG_ENABLE([cdp], [Cisco Discovery Protocol], [yes])
362 lldp_ARG_ENABLE([fdp], [Foundry Discovery Protocol], [yes])
363 lldp_ARG_ENABLE([edp], [Extreme Discovery Protocol], [yes])
364 lldp_ARG_ENABLE([sonmp], [SynOptics Network Management Protocol], [yes])
367 lldp_ARG_ENABLE([lldpmed], [LLDP-MED extension], [yes])
368 lldp_ARG_ENABLE([dot1], [Dot1 extension (VLAN stuff)], [yes])
369 lldp_ARG_ENABLE([dot3], [Dot3 extension (PHY stuff)], [yes])
370 lldp_ARG_ENABLE([custom], [Custom TLV support], [yes])
373 MIN_LINUX_KERNEL_VERSION=2.6.39
374 lldp_ARG_ENABLE([oldies], [compatibility with Linux kernel older than 2.6.39], [no])
375 if test x"$os" = x"Linux"; then
376 if test x"$enable_oldies" = x"no"; then
377 AC_DEFINE_UNQUOTED(MIN_LINUX_KERNEL_VERSION, "[$MIN_LINUX_KERNEL_VERSION]", [Minimal Linux kernel version required])
379 AC_DEFINE(MIN_LINUX_KERNEL_VERSION, "2.6.11", [Minimal kernel version required])
383 AX_BUILD_DATE_EPOCH(BUILD_DATE, "%FT%TZ", [BUILD_DATE="(unknown)"])
384 AC_DEFINE_UNQUOTED(BUILD_DATE, "[$BUILD_DATE]", [Build date and time])
385 AC_DEFINE_UNQUOTED(LLDP_CC, "[$CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS]", [C compiler command])
386 AC_DEFINE_UNQUOTED(LLDP_LD, "[$LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS]", [Linker compiler command])
388 #######################
390 AC_SUBST([LLDP_CFLAGS])
391 AC_SUBST([LLDP_CPPFLAGS])
392 AC_SUBST([LLDP_LDFLAGS])
393 AC_SUBST([LLDP_BIN_LDFLAGS])
394 AM_CONDITIONAL([HAVE_CHECK], [test x"$have_check" = x"yes"])
395 AM_CONDITIONAL([USE_SNMP], [test x"$with_snmp" = x"yes"])
396 AM_CONDITIONAL([USE_XML], [test x"$with_xml" = x"yes"])
397 AM_CONDITIONAL([USE_SECCOMP], [test x"$with_seccomp" = x"yes"])
398 dnl If old default of AR_FLAGS is otherwise being used (because of older automake),
399 dnl replace it with one without 'u'
400 if test "x$AR_FLAGS" = "xcru" ; then
405 if test x"$LIBEVENT_EMBEDDED" = x; then
413 ------------------ Summary ------------------
414 $PACKAGE_NAME version $PACKAGE_VERSION
416 Prefix.........: $prefix
417 C Compiler.....: $CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS
418 Linker.........: $LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS
419 Libevent.......: $libevent
420 Readline.......: ${ax_cv_lib_readline}
423 SNMP support...: ${with_snmp-no}
424 CDP............: $enable_cdp
425 FDP............: $enable_fdp
426 EDP............: $enable_edp
427 SONMP..........: $enable_sonmp
428 LLDPMED........: $enable_lldpmed
429 DOT1...........: $enable_dot1
430 DOT3...........: $enable_dot3
431 CUSTOM.........: $enable_custom
432 XML output.....: ${with_xml-no}
433 Oldies support.: $enable_oldies
434 seccomp........: ${with_seccomp-no}
435 libbsd.........: ${with_libbsd-no}
437 Privilege separation:
438 Enabled........: $enable_privsep
439 User/group.....: ${with_privsep_user}/${with_privsep_group}
440 Chroot.........: ${with_privsep_chroot}
442 Instrumentation (for devs only):
443 Sanitizers.....: ${sanitizers:-none}
444 Coverage.......: ${gcov}
445 ------------- Compiler version --------------
446 $($CC --version || true)
447 -------------- Linker version ---------------
448 $($LD --version || true)
449 ---------------------------------------------
451 Check the above options and compile with: