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])
68 DX_INIT_DOXYGEN([lldpd], [doxygen.cfg], [doxygen])
70 # Check some compiler flags
71 AX_CFLAGS_GCC_OPTION([-Wunknown-warning-option], [LLDP_CFLAGS])
72 AX_CFLAGS_GCC_OPTION([-fdiagnostics-show-option], [LLDP_CFLAGS])
73 AX_CFLAGS_GCC_OPTION([-fdiagnostics-color=auto], [LLDP_CFLAGS])
74 AX_CFLAGS_GCC_OPTION([-pipe], [LLDP_CFLAGS])
75 AX_CFLAGS_GCC_OPTION([-Wall], [LLDP_CFLAGS])
76 AX_CFLAGS_GCC_OPTION([-W], [LLDP_CFLAGS])
77 AX_CFLAGS_GCC_OPTION([-Wextra], [LLDP_CFLAGS])
78 AX_CFLAGS_GCC_OPTION([-Wformat], [LLDP_CFLAGS])
79 AX_CFLAGS_GCC_OPTION([-Wformat-security], [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])
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([-D_FORTIFY_SOURCE=2], [LLDP_CPPFLAGS])
112 if test x"$pie" = x"yes"; then
113 AX_CFLAGS_GCC_OPTION([-fPIE], [LLDP_CFLAGS])
114 AX_LDFLAGS_OPTION([-fPIE -pie], [LLDP_BIN_LDFLAGS],
115 [AX_LDFLAGS_OPTION([-fPIE -Wl,-pie], [LLDP_BIN_LDFLAGS])])
124 # Checks for header files.
126 AC_CHECK_HEADERS([valgrind/valgrind.h])
131 # Checks for typedefs, structures, and compiler characteristics.
132 lldp_CHECK___PROGNAME
135 # Checks for library functions.
136 AC_CONFIG_LIBOBJ_DIR([src/compat])
141 # Some functions can be in libbsd
142 PKG_CHECK_MODULES([libbsd], [libbsd-overlay], [
143 _save_CFLAGS="$CFLAGS"
145 CFLAGS="$CFLAGS $libbsd_CFLAGS"
146 LIBS="$LIBS $libbsd_LIBS"
147 AC_MSG_CHECKING([if libbsd can be linked correctly])
148 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
151 LLDP_CFLAGS="$LLDP_CFLAGS $libbsd_CFLAGS"
152 LLDP_LDFLAGS="$LLDP_LDFLAGS $libbsd_LIBS"
155 CFLAGS="$_save_CFLAGS"
160 # setproctitle may have an _init function
161 AC_REPLACE_FUNCS([setproctitle])
162 AC_CHECK_FUNCS([setproctitle_init])
164 AC_REPLACE_FUNCS([strlcpy
172 AC_CHECK_FUNCS([setresuid setresgid])
174 CFLAGS="$_save_CFLAGS"
177 # Check for res_init. On OSX, res_init is a symbol in libsystem_info
178 # and a macro in resolv.h. We need to ensure we test with resolv.h.
179 m4_pushdef([AC_LANG_CALL(C)], [
181 @%:@include <resolv.h>], [return $2 ();])])
182 AC_SEARCH_LIBS([res_init], resolv bind,
183 AC_DEFINE([HAVE_RES_INIT], 1,
184 [Define to indicate that res_init() exists]))
185 m4_popdef([AC_LANG_CALL(C)])
189 ## Unit tests wich check
190 PKG_CHECK_MODULES([CHECK], [check >= 0.9.4], [have_check=yes], [have_check=no])
192 # Third-party libraries
195 # Compatibility with pkg.m4 < 0.27
196 m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR],
197 [AC_ARG_WITH([pkgconfigdir],
198 [AS_HELP_STRING([--with-pkgconfigdir],
199 [install directory for *.pc pkg-config file])],
200 [],[with_pkgconfigdir='$(libdir)/pkgconfig'])
201 AC_SUBST([pkgconfigdir], [${with_pkgconfigdir}])])
203 #######################
207 AC_ARG_WITH([readline],
210 [Enable the use of readline-like library @<:@default=auto@:>@]),
212 [with_readline=auto])
213 if test x"$with_readline" != x"no"; then
215 if test x"$with_readline" != x"check" -a x"$with_readline" != x"auto"; then
216 if test x"$ax_cv_lib_readline" = x"no"; then
217 AC_MSG_FAILURE([*** no readline support found])
221 ax_cv_lib_readline="no"
228 [Enable the use of SNMP @<:@default=no@:>@]),
237 [Enable XML output via libxml2 @<:@default=auto@:>@]),
246 [Enable JSON output via janson or json-c @<:@default=auto@:>@]),
249 if test x"$with_json" = x"yes" -o x"$with_json" = x"auto"; then
250 _with_json="$with_json"
253 if test x"$with_json" = x"no"; then
257 if test x"$with_json" = x"no" -a x"$_with_json" = x"yes"; then
258 AC_MSG_FAILURE([*** no JSON support found])
266 AC_ARG_WITH([seccomp],
269 [Enable seccomp support (with libseccomp, experimental) @<:@default=no@:>@]),
274 # OS X launchd support
275 lldp_ARG_WITH([launchddaemonsdir], [Directory for launchd configuration file (OSX)],
276 [/Library/LaunchDaemons])
277 AC_SUBST([launchddaemonsdir], [$with_launchddaemonsdir])
278 AM_CONDITIONAL(HAVE_LAUNCHDDAEMONSDIR,
279 [test -n "$with_launchddaemonsdir" -a "x$with_launchddaemonsdir" != xno ])
282 lldp_ARG_WITH([systemdsystemunitdir], [Directory for systemd service files],
283 [$($PKG_CONFIG --variable=systemdsystemunitdir systemd 2> /dev/null)])
284 AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
285 AM_CONDITIONAL(HAVE_SYSTEMDSYSTEMUNITDIR,
286 [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ])
289 lldp_ARG_WITH([sysusersdir], [Directory for sysusers files],
290 [$($PKG_CONFIG --variable=sysusersdir systemd 2> /dev/null)])
291 AC_SUBST([sysusersdir], [$with_sysusersdir])
292 AM_CONDITIONAL(HAVE_SYSUSERSDIR,
293 [test -n "$with_sysusersdir" -a "x$with_sysusersdir" != xno ])
296 lldp_ARG_WITH([apparmordir], [Directory for AppArmor profiles (Linux)],
298 AC_SUBST([apparmordir], [$with_apparmordir])
299 AM_CONDITIONAL(HAVE_APPARMORDIR,
300 [test -n "$with_apparmordir" -a "x$with_apprmordir" != xno ])
306 lldp_ARG_ENABLE([privsep], [Privilege separation], [yes])
307 lldp_ARG_WITH([privsep-user], [Which user to use for privilege separation], [_lldpd])
308 lldp_ARG_WITH([privsep-group], [Which group to use for privilege separation], [_lldpd])
311 dnl On autoconf 2.69 and before, runstatedir is not configurable, let be able to use it anyway
312 if test "x$runstatedir" = x; then
313 AC_SUBST([runstatedir], ['${localstatedir}/run'])
315 lldp_ARG_WITH([privsep-chroot], [Which directory to use to chroot lldpd], [${runstatedir}/lldpd])
316 lldp_ARG_WITH([lldpd-ctl-socket], [Path to socket for communication with lldpd], [${runstatedir}/lldpd.socket])
317 lldp_ARG_WITH([lldpd-pid-file], [Path to lldpd PID file], [${runstatedir}/lldpd.pid])
320 lldp_ARG_ENABLE([cdp], [Cisco Discovery Protocol], [yes])
321 lldp_ARG_ENABLE([fdp], [Foundry Discovery Protocol], [yes])
322 lldp_ARG_ENABLE([edp], [Extreme Discovery Protocol], [yes])
323 lldp_ARG_ENABLE([sonmp], [SynOptics Network Management Protocol], [yes])
326 lldp_ARG_ENABLE([lldpmed], [LLDP-MED extension], [yes])
327 lldp_ARG_ENABLE([dot1], [Dot1 extension (VLAN stuff)], [yes])
328 lldp_ARG_ENABLE([dot3], [Dot3 extension (PHY stuff)], [yes])
329 lldp_ARG_ENABLE([custom], [Custom TLV support], [yes])
332 MIN_LINUX_KERNEL_VERSION=2.6.39
333 lldp_ARG_ENABLE([oldies], [compatibility with Linux kernel older than 2.6.39], [no])
334 if test x"$os" = x"Linux"; then
335 if test x"$enable_oldies" = x"no"; then
336 AC_DEFINE_UNQUOTED(MIN_LINUX_KERNEL_VERSION, "[$MIN_LINUX_KERNEL_VERSION]", [Minimal Linux kernel version required])
338 AC_DEFINE(MIN_LINUX_KERNEL_VERSION, "2.6.11", [Minimal kernel version required])
342 #######################
344 AC_SUBST([LLDP_CFLAGS])
345 AC_SUBST([LLDP_CPPFLAGS])
346 AC_SUBST([LLDP_LDFLAGS])
347 AC_SUBST([LLDP_BIN_LDFLAGS])
348 AM_CONDITIONAL([HAVE_CHECK], [test x"$have_check" = x"yes"])
349 AM_CONDITIONAL([USE_SNMP], [test x"$with_snmp" = x"yes"])
350 AM_CONDITIONAL([USE_XML], [test x"$with_xml" = x"yes"])
351 AM_CONDITIONAL([USE_JSON], [test x"$with_json" = x"json-c" || test -x"$with_json" = x"jansson"])
352 AM_CONDITIONAL([USE_JANSSON], [test x"$with_json" = x"jansson"])
353 AM_CONDITIONAL([USE_JSONC], [test x"$with_json" = x"json-c"])
354 AM_CONDITIONAL([USE_SECCOMP], [test x"$with_seccomp" = x"yes"])
357 if test x"$LIBEVENT_EMBEDDED" = x; then
365 ------------------ Summary ------------------
366 $PACKAGE_NAME version $PACKAGE_VERSION
368 Prefix.........: $prefix
369 C Compiler.....: $CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS
370 Linker.........: $LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS
371 Libevent.......: $libevent
372 Readline.......: ${ax_cv_lib_readline}
374 SNMP support...: ${with_snmp-no}
375 CDP............: $enable_cdp
376 FDP............: $enable_fdp
377 EDP............: $enable_edp
378 SONMP..........: $enable_sonmp
379 LLDPMED........: $enable_lldpmed
380 DOT1...........: $enable_dot1
381 DOT3...........: $enable_dot3
382 CUSTOM.........: $enable_custom
383 XML output.....: ${with_xml-no}
384 JSON output....: ${with_json-no}
385 Oldies support.: $enable_oldies
386 seccomp........: ${with_seccomp-no}
387 Privilege separation:
388 Enabled........: $enable_privsep
389 User/group.....: ${with_privsep_user}/${with_privsep_group}
390 Chroot.........: ${with_privsep_chroot}
391 ---------------------------------------------
393 Check the above options and compile with: