diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/configure.in b/configure.in new file mode 100644 index 0000000..59dd84e --- /dev/null +++ b/configure.in @@ -0,0 +1,239 @@ +dnl Process this file with autoconf to produce a configure script. +AC_INIT(dhcp6c.c) + +dnl Checks for programs. +AC_PROG_INSTALL +AC_PROG_MAKE_SET +AC_PROG_CC +AC_PROG_CPP +AC_PROG_YACC +AC_PROG_LEX + +dnl Checks for libraries. +dnl AC_CHECK_LIB(c, kvm_open, [], [AC_CHECK_LIB(kvm, kvm_open)]) +dnl AC_CHECK_LIB(mld, nlist) + +dnl pcap library +dnl CFLAGS="-I. $CFLAGS" +dnl AC_MSG_CHECKING(for pcap library/header) +dnl for dir in /usr/local/libpcap /usr/local/v6 /usr/local \ +dnl ../libpcap* ../../libpcap*; do +dnl ac_cv_pcap_lib=no +dnl ac_cv_pcap_include=no +dnl if test -d $dir -a -f $dir/libpcap.a; then +dnl ac_cv_pcap_lib="$dir" +dnl elif test -d $dir/lib -a -f $dir/lib/libpcap.a; then +dnl ac_cv_pcap_lib="$dir/lib" +dnl fi +dnl if test -d $dir -a -f $dir/pcap.h; then +dnl ac_cv_pcap_include="$dir" +dnl elif test -d $dir/include -a -f $dir/include/pcap.h; then +dnl ac_cv_pcap_include="$dir/include" +dnl fi +dnl if test "$ac_cv_pcap_lib" != "no" -a "$ac_cv_pcap_include" != "no"; then +dnl LIBS="-L$ac_cv_pcap_lib $LIBS" +dnl CFLAGS="-I$ac_cv_pcap_include $CFLAGS" +dnl break +dnl fi +dnl done +dnl if test "$ac_cv_pcap_lib" = "no" -a "$ac_cv_pcap_include" = "no"; then +dnl AC_MSG_RESULT(no) +dnl else +dnl AC_MSG_RESULT($ac_cv_pcap_lib and $ac_cv_pcap_include) +dnl fi +dnl AC_CHECK_LIB(pcap, pcap_lookupdev, [], +dnl [echo "Fatal: libpcap.a not found" +dnl exit 1]) +dnl AC_TRY_COMPILE([#include <pcap.h>], [], [], [dnl +dnl echo "Fatal: pcap.h not found" +dnl exit 1]) + +CFLAGS="$CFLAGS -I\$(srcdir)" + +dnl On Sun systems, we need to use the standards-compliant 3XNET functions +if test -x /usr/bin/sun && /usr/bin/sun; then + CFLAGS="$CFLAGS -D_XOPEN_SOURCE=500 -D__EXTENSIONS__" + LDFLAGS="-lxnet -ldevinfo -lnsl -lsocket -lrt" +fi + +AC_MSG_CHECKING(for sys/queue.h) +AC_TRY_COMPILE([#include <sys/queue.h>], + [TAILQ_HEAD(test, none);], + [AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) + CFLAGS="$CFLAGS -I\$(srcdir)/missing"]) + +AC_EGREP_CPP(yes, +[#include <netinet/in.h> +#ifdef __KAME__ + yes +#endif], [result=kame], [result=regular]) +AC_MSG_CHECKING(for getaddrinfo/getnameinfo library) +AC_MSG_RESULT($result) +case $result in +kame) AC_DEFINE(INET6) + o_LIBS="$LIBS" + LIBS="$LIBS -L/usr/local/v6/lib" + AC_CHECK_LIB(inet6, getaddrinfo, [], [LIBS="$o_LIBS"]) + ;; +*) ;; +esac + +AC_REPLACE_FUNCS(getaddrinfo) +AC_REPLACE_FUNCS(getnameinfo) +AC_REPLACE_FUNCS(getifaddrs) +AC_CHECK_FUNCS(if_nametoindex) +AC_REPLACE_FUNCS(strlcpy strlcat) +AC_REPLACE_FUNCS(daemon) +AC_REPLACE_FUNCS(warnx) + +dnl Checks for header files. +AC_HEADER_STDC +AC_CHECK_HEADERS(fcntl.h sys/ioctl.h sys/time.h syslog.h unistd.h ifaddrs.h) +AC_MSG_CHECKING(for socklen_t) +AC_TRY_COMPILE([#include <sys/types.h> +#include <sys/socket.h>], + [socklen_t x; x = 1; return x;], + [AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) + AC_CHECK_TYPE(socklen_t, int)]) + +dnl Checks for typedefs, structures, and compiler characteristics. +AC_C_CONST +AC_TYPE_SIZE_T +AC_HEADER_TIME +AC_STRUCT_TM +AC_STRUCT_TIMEZONE +AC_CHECK_TYPES([sig_atomic_t], , [AC_DEFINE(sig_atomic_t, u_long)], [#include <sys/types.h> + #include <signal.h>]) + + +dnl Checks for library functions. +AC_FUNC_GETPGRP +AC_PROG_GCC_TRADITIONAL +AC_FUNC_SETPGRP +AC_TYPE_SIGNAL +AC_CHECK_FUNCS(mktime select socket) +AC_CHECK_FUNCS(clock_gettime) + +dnl configure local DB directory +AC_MSG_CHECKING(for local DB directory) +AC_ARG_WITH(localdbdir, +[ --with-localdbdir=VALUE where to put local DB files], + localdbdir="$withval", localdbdir="/var/db") +AC_MSG_RESULT($localdbdir) +AC_SUBST(localdbdir) + +dnl Checks for arc4random +AC_REPLACE_FUNCS(arc4random) + +AC_MSG_CHECKING(if --enable-pedant option is specified) +AC_ARG_ENABLE(pedant, [ --enable-pedant pedantic compilation], + [if test "$enableval" = "yes"; then + CFLAGS="-Wall -Werror $CFLAGS" + fi], [enableval=no]) +AC_MSG_RESULT($enableval); + +dnl Checks predeclared identifers of function names +AC_MSG_CHECKING(ANSI predeclared __func__) +AC_TRY_COMPILE([], +[void func(void) {printf("%s\n", __func__);}], + [AC_MSG_RESULT(yes) + pred_func_id=ansi], + [AC_MSG_RESULT(no) + pred_func_id=no]) +if test $pred_func_id = no; then +AC_MSG_CHECKING(gcc predelcared __FUNCTION__) + AC_TRY_COMPILE([], + [void func(void) {printf("%s\n", __FUNCTION__);}], + [AC_MSG_RESULT(yes) + pred_func_id=gcc], + [AC_MSG_RESULT(no) + pred_func_id=no]) +fi +case $pred_func_id in + ansi) + AC_DEFINE(HAVE_ANSI_FUNC) + ;; + gcc) + AC_DEFINE(HAVE_GCC_FUNCTION) + ;; +esac + +dnl DHCP option type values not officially defined +dnl (no such option now) + +dnl Checks the existence of TAILQ_FOREACH_REVERSE +AC_MSG_CHECKING(checking the existence TAILQ_FOREACH_REVERSE) +AC_EGREP_CPP(yes, +[#include <sys/queue.h> + #ifdef TAILQ_FOREACH_REVERSE + yes +#endif], [result=yes], [result=no]) +AC_MSG_RESULT($result) +case $result in +yes) tailq_foreach=yes + ;; +*) tailq_foreach=no + ;; +esac + +dnl Checks the argument order of TAILQ_FOREACH_REVERSE if it exists +if test $tailq_foreach = yes ; then + AC_MSG_CHECKING(argument order of TAILQ_FOREACH_REVERSE) + AC_TRY_COMPILE([], + [ + #include <stdio.h> + #include <sys/queue.h> + + TAILQ_HEAD(tailhead, entry) head = TAILQ_HEAD_INITIALIZER(head); + struct entry { + TAILQ_ENTRY(entry) entries; + } *p; + + int i; + struct tailhead *headp; + + TAILQ_FOREACH_REVERSE(p, headp, tailhead, entries) { + } + ], + [AC_MSG_RESULT(new) + AC_DEFINE(HAVE_TAILQ_FOREACH_REVERSE)], + [AC_MSG_RESULT(old) + AC_DEFINE(HAVE_TAILQ_FOREACH_REVERSE_OLD)]); +fi + +dnl Checks for other features +AC_MSG_CHECKING(if you have a length field in struct sockaddr*) +AC_CACHE_VAL(ts_cv_sa_len, [dnl + AC_TRY_COMPILE([ + #include <sys/types.h> + #include <sys/socket.h> + ], [ + struct sockaddr a; + a.sa_len = 1; + ], [ts_cv_sa_len="yes"], [ts_cv_sa_len="no"])]) +AC_MSG_RESULT($ts_cv_sa_len); +if test "$ts_cv_sa_len" = yes; then + AC_DEFINE([HAVE_SA_LEN], 1, [Define to 1 if you have a length field in struct sockaddr]) +fi + +dnl configure the ownership of the programs +AC_MSG_CHECKING(the owner of the programs) +AC_ARG_WITH(user, +[ --with-user=USER set the owner of the programs], + user="$withval", user="bin") +AC_MSG_RESULT($user) +AC_SUBST(user) + +dnl configure the group ownership of the programs +AC_MSG_CHECKING(the group owner of the programs) +AC_ARG_WITH(group, +[ --with-group=GROUP set the group owner of the programs], + group="$withval", group="bin") +AC_MSG_RESULT($group) +AC_SUBST(group) + +AC_CHECK_HEADERS(stdarg.h) + +AC_OUTPUT(Makefile) |