]> andersk Git - openssh.git/blobdiff - configure.ac
- (djm) [configure.ac] unbreak: remove extra closing brace
[openssh.git] / configure.ac
index d330e7acd5494b7de2abace1ab0c16db56c1a9f5..f3709b4fc93b0830a19bceb2c8e3630fd2499f03 100644 (file)
@@ -90,18 +90,78 @@ AC_C_INLINE
 
 AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
 
+use_stack_protector=1
+AC_ARG_WITH(stackprotect,
+    [  --without-stackprotect  Don't use compiler's stack protection], [
+    if test "x$withval" = "xno"; then
+       use_stack_protector=0
+    fi ])
+
 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
        CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wuninitialized"
        GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
        case $GCC_VER in
-               1.*) ;;
-               2.8* | 2.9*) CFLAGS="$CFLAGS -Wsign-compare" ;;
-               2.*) ;;
+               1.*) no_attrib_nonnull=1 ;;
+               2.8* | 2.9*)
+                    CFLAGS="$CFLAGS -Wsign-compare"
+                    no_attrib_nonnull=1
+                    ;;
+               2.*) no_attrib_nonnull=1 ;;
                3.*) CFLAGS="$CFLAGS -Wsign-compare" ;;
                4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign" ;;
                *) ;;
        esac
 
+       AC_MSG_CHECKING(if $CC accepts -fno-builtin-memset)
+       saved_CFLAGS="$CFLAGS"
+       CFLAGS="$CFLAGS -fno-builtin-memset"
+       AC_LINK_IFELSE( [AC_LANG_SOURCE([[
+#include <string.h>
+int main(void){char b[10]; memset(b, 0, sizeof(b));}
+               ]])],
+               [ AC_MSG_RESULT(yes) ],
+               [ AC_MSG_RESULT(no)
+                 CFLAGS="$saved_CFLAGS" ]
+)
+
+       # -fstack-protector-all doesn't always work for some GCC versions
+       # and/or platforms, so we test if we can.  If it's not supported
+       # on a give platform gcc will emit a warning so we use -Werror.
+       if test "x$use_stack_protector" = "x1"; then
+           for t in -fstack-protector-all -fstack-protector; do
+               AC_MSG_CHECKING(if $CC supports $t)
+               saved_CFLAGS="$CFLAGS"
+               saved_LDFLAGS="$LDFLAGS"
+               CFLAGS="$CFLAGS $t -Werror"
+               LDFLAGS="$LDFLAGS $t -Werror"
+               AC_LINK_IFELSE(
+                       [AC_LANG_SOURCE([
+#include <stdlib.h>
+int main(void){return 0;}
+                        ])],
+                   [ AC_MSG_RESULT(yes)
+                     CFLAGS="$saved_CFLAGS $t"
+                     LDFLAGS="$saved_LDFLAGS $t"
+                     AC_MSG_CHECKING(if $t works)
+                     AC_RUN_IFELSE(
+                       [AC_LANG_SOURCE([
+#include <stdlib.h>
+int main(void){exit(0);}
+                       ])],
+                       [ AC_MSG_RESULT(yes)
+                         break ],
+                       [ AC_MSG_RESULT(no) ],
+                       [ AC_MSG_WARN([cross compiling: cannot test])
+                         break ]
+                     )
+                   ],
+                   [ AC_MSG_RESULT(no) ]
+               )
+               CFLAGS="$saved_CFLAGS"
+               LDFLAGS="$saved_LDFLAGS"
+           done
+       fi
+
        if test -z "$have_llong_max"; then
                # retry LLONG_MAX with -std=gnu99, needed on some Linuxes
                unset ac_cv_have_decl_LLONG_MAX
@@ -115,6 +175,10 @@ if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
        fi
 fi
 
+if test "x$no_attrib_nonnull" != "x1" ; then
+       AC_DEFINE(HAVE_ATTRIBUTE__NONNULL__, 1, [Have attribute nonnull])
+fi
+
 AC_ARG_WITH(rpath,
        [  --without-rpath         Disable auto-added -R linker paths],
        [
@@ -198,6 +262,7 @@ AC_CHECK_HEADERS( \
        netgroup.h \
        pam/pam_appl.h \
        paths.h \
+       poll.h \
        pty.h \
        readpassphrase.h \
        rpc/types.h \
@@ -214,7 +279,9 @@ AC_CHECK_HEADERS( \
        sys/cdefs.h \
        sys/dir.h \
        sys/mman.h \
+       sys/mount.h \
        sys/ndir.h \
+       sys/poll.h \
        sys/prctl.h \
        sys/pstat.h \
        sys/select.h \
@@ -222,6 +289,7 @@ AC_CHECK_HEADERS( \
        sys/stream.h \
        sys/stropts.h \
        sys/strtio.h \
+       sys/statvfs.h \
        sys/sysmacros.h \
        sys/time.h \
        sys/timers.h \
@@ -229,6 +297,7 @@ AC_CHECK_HEADERS( \
        time.h \
        tmpdir.h \
        ttyent.h \
+       ucred.h \
        unistd.h \
        usersec.h \
        util.h \
@@ -334,7 +403,7 @@ int main(void) { exit(0); }
                [],
                [#include <usersec.h>]
        )
-       AC_CHECK_FUNCS(setauthdb)
+       AC_CHECK_FUNCS(getgrset setauthdb)
        AC_CHECK_DECL(F_CLOSEM,
            AC_DEFINE(HAVE_FCNTL_CLOSEM, 1, [Use F_CLOSEM fcntl for closefrom]),
            [],
@@ -396,6 +465,7 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
        AC_DEFINE(SETEUID_BREAKS_SETUID)
        AC_DEFINE(BROKEN_SETREUID)
        AC_DEFINE(BROKEN_SETREGID)
+       AC_DEFINE(BROKEN_GLOB, 1, [OS X glob does not do what we expect])
        AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1,
                [Define if your resolver libs need this for getrrsetbyname])
        AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
@@ -403,6 +473,11 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
            [Use tunnel device compatibility to OpenBSD])
        AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
            [Prepend the address family to IP tunnel traffic])
+       m4_pattern_allow(AU_IPv)
+       AC_CHECK_DECL(AU_IPv4, [], 
+           AC_DEFINE(AU_IPv4, 0, [System only supports IPv4 audit records])
+           [#include <bsm/audit.h>]
+       )
        ;;
 *-*-dragonfly*)
        SSHDLIBS="$SSHDLIBS -lcrypt"
@@ -490,7 +565,6 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
        no_dev_ptmx=1
        check_for_libcrypt_later=1
        check_for_openpty_ctty_bug=1
-       AC_DEFINE(DONT_TRY_OTHER_AF, 1, [Workaround more Linux IPv6 quirks])
        AC_DEFINE(PAM_TTY_KLUDGE, 1,
                [Work around problematic Linux PAM modules handling of PAM_TTY])
        AC_DEFINE(LOCKED_PASSWD_PREFIX, "!",
@@ -540,6 +614,7 @@ mips-sony-bsd|mips-sony-newsos4)
        AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
        AC_CHECK_HEADER([net/if_tap.h], ,
            AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
+       AC_DEFINE(BROKEN_GLOB, 1, [FreeBSD glob does not do what we need])
        ;;
 *-*-bsdi*)
        AC_DEFINE(SETEUID_BREAKS_SETUID)
@@ -766,6 +841,7 @@ mips-sony-bsd|mips-sony-newsos4)
        AC_DEFINE(SETEUID_BREAKS_SETUID)
        AC_DEFINE(BROKEN_SETREUID)
        AC_DEFINE(BROKEN_SETREGID)
+       AC_DEFINE(BROKEN_READV_COMPARISON, 1, [Can't do comparisons on readv])
        ;;
 
 *-*-nto-qnx*)
@@ -776,7 +852,13 @@ mips-sony-bsd|mips-sony-newsos4)
        AC_DEFINE(MISSING_FD_MASK, 1, [Define on *nto-qnx systems])
        AC_DEFINE(DISABLE_LASTLOG)
        AC_DEFINE(SSHD_ACQUIRES_CTTY)
+       AC_DEFINE(BROKEN_SHADOW_EXPIRE, 1, [QNX shadow support is broken])
        enable_etc_default_login=no     # has incompatible /etc/default/login
+       case "$host" in
+       *-*-nto-qnx6*)
+               AC_DEFINE(DISABLE_FD_PASSING)
+               ;;
+       esac
        ;;
 
 *-*-ultrix*)
@@ -966,7 +1048,7 @@ dnl    Checks for libutil functions
 AC_CHECK_HEADERS(libutil.h)
 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN, 1,
        [Define if your libraries define login()])])
-AC_CHECK_FUNCS(logout updwtmp logwtmp)
+AC_CHECK_FUNCS(fmt_scaled logout updwtmp logwtmp)
 
 AC_FUNC_STRFTIME
 
@@ -1200,7 +1282,7 @@ AC_ARG_WITH(audit,
                AC_CHECK_FUNCS(getaudit, [],
                    [AC_MSG_ERROR(BSM enabled and required function not found)])
                # These are optional
-               AC_CHECK_FUNCS(getaudit_addr)
+               AC_CHECK_FUNCS(getaudit_addr aug_get_machine)
                AC_DEFINE(USE_BSM_AUDIT, 1, [Use BSM audit module])
                ;;
          debug)
@@ -1220,6 +1302,8 @@ AC_ARG_WITH(audit,
 dnl    Checks for library functions. Please keep in alphabetical order
 AC_CHECK_FUNCS( \
        arc4random \
+       arc4random_buf \
+       arc4random_uniform \
        asprintf \
        b64_ntop \
        __b64_ntop \
@@ -1233,6 +1317,7 @@ AC_CHECK_FUNCS( \
        fchmod \
        fchown \
        freeaddrinfo \
+       fstatvfs \
        futimes \
        getaddrinfo \
        getcwd \
@@ -1259,6 +1344,7 @@ AC_CHECK_FUNCS( \
        ogetaddrinfo \
        openlog_r \
        openpty \
+       poll \
        prctl \
        pstat \
        readpassphrase \
@@ -1283,6 +1369,8 @@ AC_CHECK_FUNCS( \
        sigvec \
        snprintf \
        socketpair \
+       statfs \
+       statvfs \
        strdup \
        strerror \
        strlcat \
@@ -1292,6 +1380,7 @@ AC_CHECK_FUNCS( \
        strtonum \
        strtoll \
        strtoul \
+       swap32 \
        sysconf \
        tcgetpgrp \
        truncate \
@@ -1368,6 +1457,10 @@ AC_CHECK_DECLS(MAXSYMLINKS, , , [
 #include <sys/param.h>
        ])
 
+AC_CHECK_DECLS(offsetof, , , [
+#include <stddef.h>
+       ])
+
 AC_CHECK_FUNCS(setresuid, [
        dnl Some platorms have setresuid that isn't implemented, test for this
        AC_MSG_CHECKING(if setresuid seems to work)
@@ -1984,7 +2077,10 @@ AC_CHECK_FUNCS(SHA256_Update EVP_sha256)
 saved_LIBS="$LIBS"
 AC_CHECK_LIB(iaf, ia_openinfo, [
        LIBS="$LIBS -liaf"
-       AC_CHECK_FUNCS(set_id, [SSHDLIBS="$SSHDLIBS -liaf"])
+       AC_CHECK_FUNCS(set_id, [SSHDLIBS="$SSHDLIBS -liaf"
+                               AC_DEFINE(HAVE_LIBIAF, 1,
+                       [Define if system has libiaf that supports set_id])
+                               ])
 ])
 LIBS="$saved_LIBS"
 
@@ -2568,6 +2664,18 @@ fi
 TYPE_SOCKLEN_T
 
 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
+AC_CHECK_TYPES([fsblkcnt_t, fsfilcnt_t],,,[
+#include <sys/types.h>
+#ifdef HAVE_SYS_BITYPES_H
+#include <sys/bitypes.h>
+#endif
+#ifdef HAVE_SYS_STATFS_H
+#include <sys/statfs.h>
+#endif
+#ifdef HAVE_SYS_STATVFS_H
+#include <sys/statvfs.h>
+#endif
+])
 
 AC_CHECK_TYPES(in_addr_t,,,
 [#include <sys/types.h>
@@ -2930,6 +3038,16 @@ if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
                file descriptor passing])
 fi
 
+AC_MSG_CHECKING(if f_fsid has val members)
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/statvfs.h>],
+[struct fsid_t t; t.val[0] = 0;],
+       [ AC_MSG_RESULT(yes)
+         AC_DEFINE(FSID_HAS_VAL, 1, f_fsid has members) ],
+       [ AC_MSG_RESULT(no) ]
+)
+
 AC_CACHE_CHECK([for msg_control field in struct msghdr],
                ac_cv_have_control_in_msghdr, [
        AC_COMPILE_IFELSE(
@@ -3181,7 +3299,7 @@ int main() { return 0; }
 SELINUX_MSG="no"
 LIBSELINUX=""
 AC_ARG_WITH(selinux,
-       [  --with-selinux   Enable SELinux support],
+       [  --with-selinux          Enable SELinux support],
        [ if test "x$withval" != "xno" ; then
                save_LIBS="$LIBS"
                AC_DEFINE(WITH_SELINUX,1,[Define if you want SELinux support.])
@@ -3258,12 +3376,12 @@ AC_ARG_WITH(kerberos5,
                        )
                        AC_SEARCH_LIBS(dn_expand, resolv)
 
-                       AC_CHECK_LIB(gssapi,gss_init_sec_context,
+                       AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,
                                [ AC_DEFINE(GSSAPI)
-                                 K5LIBS="-lgssapi $K5LIBS" ],
-                               [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
+                                 K5LIBS="-lgssapi_krb5 $K5LIBS" ],
+                               [ AC_CHECK_LIB(gssapigss_init_sec_context,
                                        [ AC_DEFINE(GSSAPI)
-                                         K5LIBS="-lgssapi_krb5 $K5LIBS" ],
+                                         K5LIBS="-lgssapi $K5LIBS" ],
                                        AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
                                        $K5LIBS)
                                ],
@@ -3962,6 +4080,13 @@ dnl Adding -Werror to CFLAGS early prevents configure tests from running.
 dnl Add now.
 CFLAGS="$CFLAGS $werror_flags"
 
+if grep "#define BROKEN_GETADDRINFO 1" confdefs.h >/dev/null || \
+    test "x$ac_cv_func_getaddrinfo" != "xyes" ; then
+       AC_SUBST(TEST_SSH_IPV6, no)
+else
+       AC_SUBST(TEST_SSH_IPV6, yes)
+fi
+
 AC_EXEEXT
 AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openssh.xml \
        openbsd-compat/Makefile openbsd-compat/regress/Makefile \
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