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([-Wfatal-errors], [LLDP_CFLAGS])
80 AX_CFLAGS_GCC_OPTION([-Wcast-align], [LLDP_CFLAGS])
81 AX_CFLAGS_GCC_OPTION([-Wheader-guard], [LLDP_CFLAGS])
82 AX_CFLAGS_GCC_OPTION([-Wdocumentation], [LLDP_CFLAGS])
83 AX_CFLAGS_GCC_OPTION([-Winline], [LLDP_CFLAGS])
84 AX_CFLAGS_GCC_OPTION([-Wpointer-arith], [LLDP_CFLAGS])
85 AX_CFLAGS_GCC_OPTION([-fno-omit-frame-pointer], [LLDP_CFLAGS])
86 AX_CFLAGS_GCC_OPTION([-Wno-unused-parameter], [LLDP_CFLAGS])
87 AX_CFLAGS_GCC_OPTION([-Wno-missing-field-initializers], [LLDP_CFLAGS])
88 AX_CFLAGS_GCC_OPTION([-Wno-sign-compare], [LLDP_CFLAGS]) dnl Should be fixed later
89 AX_LDFLAGS_OPTION([-Wl,-z,relro], [LLDP_LDFLAGS])
90 AX_LDFLAGS_OPTION([-Wl,-z,now], [LLDP_LDFLAGS])
95 AC_ARG_ENABLE([hardening],
96 [AS_HELP_STRING([--enable-hardening],
97 [Enable compiler and linker options to frustrate memory corruption exploits @<:@default=yes@:>@])],
98 [hardening="$enableval"],
101 [AS_HELP_STRING([--enable-pie],
102 [Enable PIE (position independant executable) @<:@default=no@:>@])],
106 if test x"$hardening" != x"no"; then
107 AX_CFLAGS_GCC_OPTION([-fstack-protector], [LLDP_CFLAGS])
108 AX_CFLAGS_GCC_OPTION([-fstack-protector-all], [LLDP_CFLAGS])
109 AX_CFLAGS_GCC_OPTION([-fstack-protector-strong], [LLDP_CFLAGS])
110 AX_CFLAGS_GCC_OPTION([-fstack-protector-strong], [LLDP_CFLAGS])
111 AX_CFLAGS_GCC_OPTION([-D_FORTIFY_SOURCE=2], [LLDP_CPPFLAGS])
113 if test x"$pie" = x"yes"; then
114 AX_CFLAGS_GCC_OPTION([-fPIE], [LLDP_CFLAGS])
115 AX_LDFLAGS_OPTION([-fPIE -pie], [LLDP_BIN_LDFLAGS],
116 [AX_LDFLAGS_OPTION([-fPIE -Wl,-pie], [LLDP_BIN_LDFLAGS])])
120 AC_ARG_ENABLE([sanitizers],
121 AS_HELP_STRING([--enable-sanitizers],
122 [Enable code instrumentation with selected sanitizers @<:@default=no@:>@]),
126 yes) sanitizers="-fsanitize=address,undefined" ;;
127 *) sanitizers="-fsanitize=$enableval" ;;
129 if test x"$sanitizers" != x; then
130 LLDP_CFLAGS="$LLDP_CFLAGS $sanitizers"
131 LLDP_LDFLAGS="$LLDP_LDFLAGS $sanitizers"
132 AC_DEFINE([HAVE_ADDRESS_SANITIZER], 1, [Define if have both address and leak sanitizer])
133 elif test x"$hardening" != x"no"; then
134 AX_LDFLAGS_OPTION([-fsanitize=safe-stack], [LLDP_BIN_LDFLAGS])
135 if test x"$ax_cv_ld_check_flag__fsanitize_safe_stack" != x"no"; then
136 AX_CFLAGS_GCC_OPTION([-fsanitize=safe-stack], [LLDP_CFLAGS])
142 AC_ARG_ENABLE([gcov],
143 AS_HELP_STRING([--enable-gcov],
144 [Enable coverage instrumentation @<:@default=no@:>@]),
147 if test x"$gcov" != x"no"; then
148 LLDP_CFLAGS="$LLDP_CFLAGS --coverage"
149 LLDP_LDFLAGS="$LLDP_LDFLAGS --coverage"
158 # Checks for header files.
160 AC_CHECK_HEADERS([valgrind/valgrind.h])
165 # Checks for typedefs, structures, and compiler characteristics.
166 lldp_CHECK___PROGNAME
169 # Checks for library functions.
170 AC_CONFIG_LIBOBJ_DIR([src/compat])
175 # Some functions can be in libbsd
176 PKG_CHECK_MODULES([libbsd], [libbsd-overlay], [
177 _save_CFLAGS="$CFLAGS"
179 CFLAGS="$CFLAGS $libbsd_CFLAGS"
180 LIBS="$LIBS $libbsd_LIBS"
181 AC_MSG_CHECKING([if libbsd can be linked correctly])
183 @%:@include <sys/time.h>
184 @%:@include <sys/types.h>
188 LLDP_CFLAGS="$LLDP_CFLAGS $libbsd_CFLAGS"
189 LLDP_LDFLAGS="$LLDP_LDFLAGS $libbsd_LIBS"
192 CFLAGS="$_save_CFLAGS"
197 # setproctitle may have an _init function
198 AC_REPLACE_FUNCS([setproctitle])
199 AC_CHECK_FUNCS([setproctitle_init])
201 AC_REPLACE_FUNCS([strlcpy
210 AC_CHECK_FUNCS([setresuid setresgid])
212 # Check for res_init. On OSX, res_init is a symbol in libsystem_info
213 # and a macro in resolv.h. We need to ensure we test with resolv.h.
214 m4_pushdef([AC_LANG_CALL(C)], [
216 @%:@include <resolv.h>], [return $2 ();])])
217 AC_SEARCH_LIBS([res_init], resolv bind,
218 AC_DEFINE([HAVE_RES_INIT], 1,
219 [Define to indicate that res_init() exists]))
220 m4_popdef([AC_LANG_CALL(C)])
224 ## Unit tests wich check
225 PKG_CHECK_MODULES([check], [check >= 0.9.4], [have_check=yes], [have_check=no])
227 # Third-party libraries
231 # Compatibility with pkg.m4 < 0.27
232 m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR],
233 [AC_ARG_WITH([pkgconfigdir],
234 [AS_HELP_STRING([--with-pkgconfigdir],
235 [install directory for *.pc pkg-config file])],
236 [],[with_pkgconfigdir='$(libdir)/pkgconfig'])
237 AC_SUBST([pkgconfigdir], [${with_pkgconfigdir}])])
239 #######################
243 AC_ARG_WITH([readline],
246 [Enable the use of readline-like library @<:@default=auto@:>@]),
248 [with_readline=auto])
249 if test x"$with_readline" != x"no"; then
251 if test x"$with_readline" != x"check" -a x"$with_readline" != x"auto"; then
252 if test x"$ax_cv_lib_readline" = x"no"; then
253 AC_MSG_FAILURE([*** no readline support found])
257 ax_cv_lib_readline="no"
264 [Enable the use of SNMP @<:@default=no@:>@]),
273 [Enable XML output via libxml2 @<:@default=auto@:>@]),
279 lldp_ARG_ENABLE([json0], [use of pre-0.9.2 JSON/json-c format], [no])
282 AC_ARG_WITH([seccomp],
285 [Enable seccomp support (with libseccomp, experimental) @<:@default=no@:>@]),
290 # OS X launchd support
291 lldp_ARG_WITH([launchddaemonsdir], [Directory for launchd configuration file (OSX)],
292 [/Library/LaunchDaemons])
293 AC_SUBST([launchddaemonsdir], [$with_launchddaemonsdir])
294 AM_CONDITIONAL(HAVE_LAUNCHDDAEMONSDIR,
295 [test -n "$with_launchddaemonsdir" -a "x$with_launchddaemonsdir" != xno ])
298 lldp_ARG_WITH([systemdsystemunitdir], [Directory for systemd service files],
299 [$($PKG_CONFIG --variable=systemdsystemunitdir systemd 2> /dev/null)])
300 AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
301 AM_CONDITIONAL(HAVE_SYSTEMDSYSTEMUNITDIR,
302 [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ])
305 lldp_ARG_WITH([sysusersdir], [Directory for sysusers files],
306 [$($PKG_CONFIG --variable=sysusersdir systemd 2> /dev/null)])
307 AC_SUBST([sysusersdir], [$with_sysusersdir])
308 AM_CONDITIONAL(HAVE_SYSUSERSDIR,
309 [test -n "$with_sysusersdir" -a "x$with_sysusersdir" != xno ])
312 lldp_ARG_WITH([apparmordir], [Directory for AppArmor profiles (Linux)],
314 AC_SUBST([apparmordir], [$with_apparmordir])
315 AM_CONDITIONAL(HAVE_APPARMORDIR,
316 [test -n "$with_apparmordir" -a "x$with_apparmordir" != xno ])
322 lldp_ARG_ENABLE([privsep], [Privilege separation], [yes])
323 lldp_ARG_WITH([privsep-user], [Which user to use for privilege separation], [_lldpd])
324 lldp_ARG_WITH([privsep-group], [Which group to use for privilege separation], [_lldpd])
327 dnl On autoconf 2.69 and before, runstatedir is not configurable, let be able to use it anyway
328 if test "x$runstatedir" = x; then
329 AC_SUBST([runstatedir], ['${localstatedir}/run'])
331 lldp_ARG_WITH([privsep-chroot], [Which directory to use to chroot lldpd], [${runstatedir}/lldpd])
332 lldp_ARG_WITH([lldpd-ctl-socket], [Path to socket for communication with lldpd], [${runstatedir}/lldpd.socket])
333 lldp_ARG_WITH([lldpd-pid-file], [Path to lldpd PID file], [${runstatedir}/lldpd.pid])
336 lldp_ARG_WITH_UNQUOTED([netlink-max-receive-bufsize], [Netlink maximum receive buffer size], [1024*1024])
337 lldp_ARG_WITH_UNQUOTED([netlink-receive-bufsize], [Netlink initial receive buffer size], [0])
338 lldp_ARG_WITH_UNQUOTED([netlink-send-bufsize], [Netlink send buffer size], [0])
341 lldp_ARG_ENABLE([cdp], [Cisco Discovery Protocol], [yes])
342 lldp_ARG_ENABLE([fdp], [Foundry Discovery Protocol], [yes])
343 lldp_ARG_ENABLE([edp], [Extreme Discovery Protocol], [yes])
344 lldp_ARG_ENABLE([sonmp], [SynOptics Network Management Protocol], [yes])
347 lldp_ARG_ENABLE([lldpmed], [LLDP-MED extension], [yes])
348 lldp_ARG_ENABLE([dot1], [Dot1 extension (VLAN stuff)], [yes])
349 lldp_ARG_ENABLE([dot3], [Dot3 extension (PHY stuff)], [yes])
350 lldp_ARG_ENABLE([custom], [Custom TLV support], [yes])
353 MIN_LINUX_KERNEL_VERSION=2.6.39
354 lldp_ARG_ENABLE([oldies], [compatibility with Linux kernel older than 2.6.39], [no])
355 if test x"$os" = x"Linux"; then
356 if test x"$enable_oldies" = x"no"; then
357 AC_DEFINE_UNQUOTED(MIN_LINUX_KERNEL_VERSION, "[$MIN_LINUX_KERNEL_VERSION]", [Minimal Linux kernel version required])
359 AC_DEFINE(MIN_LINUX_KERNEL_VERSION, "2.6.11", [Minimal kernel version required])
363 AX_BUILD_DATE_EPOCH(BUILD_DATE, "%FT%TZ", [BUILD_DATE="(unknown)"])
364 AC_DEFINE_UNQUOTED(BUILD_DATE, "[$BUILD_DATE]", [Build date and time])
365 AC_DEFINE_UNQUOTED(LLDP_CC, "[$CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS]", [C compiler command])
366 AC_DEFINE_UNQUOTED(LLDP_LD, "[$LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS]", [Linker compiler command])
368 #######################
370 AC_SUBST([LLDP_CFLAGS])
371 AC_SUBST([LLDP_CPPFLAGS])
372 AC_SUBST([LLDP_LDFLAGS])
373 AC_SUBST([LLDP_BIN_LDFLAGS])
374 AM_CONDITIONAL([HAVE_CHECK], [test x"$have_check" = x"yes"])
375 AM_CONDITIONAL([USE_SNMP], [test x"$with_snmp" = x"yes"])
376 AM_CONDITIONAL([USE_XML], [test x"$with_xml" = x"yes"])
377 AM_CONDITIONAL([USE_SECCOMP], [test x"$with_seccomp" = x"yes"])
378 dnl If old default of AR_FLAGS is otherwise being used (because of older automake),
379 dnl replace it with one without 'u'
380 if test "x$AR_FLAGS" = "xcru" ; then
385 if test x"$LIBEVENT_EMBEDDED" = x; then
393 ------------------ Summary ------------------
394 $PACKAGE_NAME version $PACKAGE_VERSION
396 Prefix.........: $prefix
397 C Compiler.....: $CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS
398 Linker.........: $LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS
399 Libevent.......: $libevent
400 Readline.......: ${ax_cv_lib_readline}
403 SNMP support...: ${with_snmp-no}
404 CDP............: $enable_cdp
405 FDP............: $enable_fdp
406 EDP............: $enable_edp
407 SONMP..........: $enable_sonmp
408 LLDPMED........: $enable_lldpmed
409 DOT1...........: $enable_dot1
410 DOT3...........: $enable_dot3
411 CUSTOM.........: $enable_custom
412 XML output.....: ${with_xml-no}
413 Oldies support.: $enable_oldies
414 seccomp........: ${with_seccomp-no}
416 Privilege separation:
417 Enabled........: $enable_privsep
418 User/group.....: ${with_privsep_user}/${with_privsep_group}
419 Chroot.........: ${with_privsep_chroot}
421 Instrumentation (for devs only):
422 Sanitizers.....: ${sanitizers:-none}
423 Coverage.......: ${gcov}
424 ------------- Compiler version --------------
425 $($CC --version || true)
426 -------------- Linker version ---------------
427 $($LD --version || true)
428 ---------------------------------------------
430 Check the above options and compile with: