X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/25dd2ce627903bac55638d6d2ff32c0f75b090d1..adb40e59259cbd6ff0a651c2dc28dc25ba112f52:/configure.ac

diff --git a/configure.ac b/configure.ac
index 1f104d03..919a030a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,7 +14,7 @@
 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-AC_INIT(OpenSSH, Portable)
+AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org)
 AC_CONFIG_SRCDIR([ssh.c])
 
 AC_CONFIG_HEADER(config.h)
@@ -77,16 +77,87 @@ fi
 AC_SUBST(LD)
 
 AC_C_INLINE
+
+AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
+
 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
-	CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
+	CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wuninitialized"
+	CFLAGS="$CFLAGS -Wsign-compare"
+
+	if test -z "$have_llong_max"; then
+		# retry LLONG_MAX with -std=gnu99, needed on some Linuxes
+		unset ac_cv_have_decl_LLONG_MAX
+		saved_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -std=gnu99"
+		AC_CHECK_DECL(LLONG_MAX,
+		    [have_llong_max=1],
+		    [CFLAGS="$saved_CFLAGS"],
+		    [#include <limits.h>]
+		)
+	fi
+fi
 
-	# Check for -std=gnu99 support (needed for LLONG_MIN/MAX on Linux)
-	saved_CFLAGS="$CFLAGS"
-	CFLAGS="$CFLAGS -std=gnu99"
-	AC_MSG_CHECKING(whether cc accepts -std=gnu99 option)
-	AC_TRY_COMPILE([], [return(0);], [AC_MSG_RESULT(yes)],
-		[AC_MSG_RESULT(no)
-		CFLAGS="$saved_CFLAGS"],
+if test -z "$have_llong_max"; then
+	AC_MSG_CHECKING([for max value of long long])
+	AC_RUN_IFELSE(
+		[AC_LANG_SOURCE([[
+#include <stdio.h>
+/* Why is this so damn hard? */
+#ifdef __GNUC__
+# undef __GNUC__
+#endif
+#define __USE_ISOC99
+#include <limits.h>
+#define DATA "conftest.llminmax"
+int main(void) {
+	FILE *f;
+	long long i, llmin, llmax = 0;
+
+	if((f = fopen(DATA,"w")) == NULL)
+		exit(1);
+
+#if defined(LLONG_MIN) && defined(LLONG_MAX)
+	fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n");
+	llmin = LLONG_MIN;
+	llmax = LLONG_MAX;
+#else
+	fprintf(stderr, "Calculating  LLONG_MIN and LLONG_MAX\n");
+	/* This will work on one's complement and two's complement */
+	for (i = 1; i > llmax; i <<= 1, i++)
+		llmax = i;
+	llmin = llmax + 1LL;	/* wrap */
+#endif
+
+	/* Sanity check */
+	if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax
+	    || llmax - 1 > llmax) {
+		fprintf(f, "unknown unknown\n");
+		exit(2);
+	}
+
+	if (fprintf(f ,"%lld %lld", llmin, llmax) < 0)
+		exit(3);
+
+	exit(0);
+}
+		]])],
+		[
+			llong_min=`$AWK '{print $1}' conftest.llminmax`
+			llong_max=`$AWK '{print $2}' conftest.llminmax`
+			AC_MSG_RESULT($llong_max)
+			AC_DEFINE_UNQUOTED(LLONG_MAX, [${llong_max}LL],
+			    [max value of long long calculated by configure])
+			AC_MSG_CHECKING([for min value of long long])
+			AC_MSG_RESULT($llong_min)
+			AC_DEFINE_UNQUOTED(LLONG_MIN, [${llong_min}LL],
+			    [min value of long long calculated by configure])
+		],
+		[
+			AC_MSG_RESULT(not found)
+		],
+		[
+			AC_MSG_WARN([cross compiling: not checking])
+		]
 	)
 fi
 
@@ -190,51 +261,43 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 	AC_DEFINE(BROKEN_SETREGID)
 	AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1)
 	;;
-*-*-hpux10.26)
-	if test -z "$GCC"; then
-		CFLAGS="$CFLAGS -Ae"
-	fi
-	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
-	IPADDR_IN_DISPLAY=yes
-	AC_DEFINE(HAVE_SECUREWARE)
-	AC_DEFINE(USE_PIPES)
-	AC_DEFINE(LOGIN_NO_ENDOPT)
-	AC_DEFINE(LOGIN_NEEDS_UTMPX)
-	AC_DEFINE(LOCKED_PASSWD_STRING, "*")
-	AC_DEFINE(SPT_TYPE,SPT_PSTAT)
-	LIBS="$LIBS -lsec -lsecpw"
-	AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
-	disable_ptmx_check=yes
-	;;
-*-*-hpux10*)
-	if test -z "$GCC"; then
-		CFLAGS="$CFLAGS -Ae"
-	fi
-	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
-	IPADDR_IN_DISPLAY=yes
-	AC_DEFINE(USE_PIPES)
-	AC_DEFINE(LOGIN_NO_ENDOPT)
-	AC_DEFINE(LOGIN_NEEDS_UTMPX)
-	AC_DEFINE(LOCKED_PASSWD_STRING, "*")
-	AC_DEFINE(SPT_TYPE,SPT_PSTAT)
-	LIBS="$LIBS -lsec"
-	AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
-	;;
-*-*-hpux11*)
+*-*-hpux*)
+	# first we define all of the options common to all HP-UX releases
 	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 	IPADDR_IN_DISPLAY=yes
-	AC_DEFINE(PAM_SUN_CODEBASE)
 	AC_DEFINE(USE_PIPES)
 	AC_DEFINE(LOGIN_NO_ENDOPT)
 	AC_DEFINE(LOGIN_NEEDS_UTMPX)
-	AC_DEFINE(DISABLE_UTMP)
 	AC_DEFINE(LOCKED_PASSWD_STRING, "*")
 	AC_DEFINE(SPT_TYPE,SPT_PSTAT)
-	AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
-	check_for_hpux_broken_getaddrinfo=1
-	check_for_conflicting_getspnam=1
 	LIBS="$LIBS -lsec"
-	AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
+	AC_CHECK_LIB(xnet, t_error, ,
+	    AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
+
+	# next, we define all of the options specific to major releases
+	case "$host" in
+	*-*-hpux10*)
+		if test -z "$GCC"; then
+			CFLAGS="$CFLAGS -Ae"
+		fi
+		;;
+	*-*-hpux11*)
+		AC_DEFINE(PAM_SUN_CODEBASE)
+		AC_DEFINE(DISABLE_UTMP)
+		AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
+		check_for_hpux_broken_getaddrinfo=1
+		check_for_conflicting_getspnam=1
+		;;
+	esac
+
+	# lastly, we define options specific to minor releases
+	case "$host" in
+	*-*-hpux10.26)
+		AC_DEFINE(HAVE_SECUREWARE)
+		disable_ptmx_check=yes
+		LIBS="$LIBS -lsecpw"
+		;;
+	esac
 	;;
 *-*-irix5*)
 	PATH="$PATH:/usr/etc"
@@ -305,6 +368,9 @@ mips-sony-bsd|mips-sony-newsos4)
 	AC_DEFINE(USE_PIPES)
 	AC_DEFINE(BROKEN_SAVED_UIDS)
 	;;
+*-*-openbsd*)
+	AC_DEFINE(HAVE_ATTRIBUTE__SENTINEL__, 1, [OpenBSD's gcc has sentinel])
+	;;
 *-*-solaris*)
 	if test "x$withval" != "xno" ; then
 		need_dash_r=1
@@ -379,6 +445,11 @@ mips-sony-bsd|mips-sony-newsos4)
 	AC_DEFINE(BROKEN_SETREUID)
 	AC_DEFINE(BROKEN_SETREGID)
 	AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
+	case "$host" in
+	*-*-sysv5SCO_SV*)	# SCO OpenServer 6.x
+		TEST_SHELL=/u95/bin/sh
+		;;
+	esac
 	;;
 *-*-sysv*)
 	;;
@@ -482,7 +553,8 @@ mips-sony-bsd|mips-sony-newsos4)
 	AC_DEFINE(BROKEN_GETGROUPS, [], [getgroups(0,NULL) will return -1])
 	AC_DEFINE(BROKEN_MMAP, [], [Ultrix mmap can't map files])
 	AC_DEFINE(NEED_SETPRGP, [], [Need setpgrp to acquire controlling tty])
-	AC_CHECK_HEADERS(sys/syslog.h)
+	AC_DEFINE(HAVE_SYS_SYSLOG_H, 1, [Force use of sys/syslog.h on Ultrix])
+	;;
 esac
 
 # Allow user to specify flags
@@ -522,6 +594,17 @@ AC_ARG_WITH(libs,
 		fi
 	]
 )
+AC_ARG_WITH(Werror,
+	[  --with-Werror           Build main code with -Werror],
+	[
+		if test -n "$withval"  &&  test "x$withval" != "xno"; then
+			werror_flags="-Werror"
+			if "x${withval}" != "xyes"; then
+				werror_flags="$withval"
+			fi
+		fi
+	]
+)
 
 AC_MSG_CHECKING(compiler and flags for sanity)
 AC_RUN_IFELSE(
@@ -724,8 +807,8 @@ int main()
 	if (a == 1 && b == 1 && c >= 4)
 		exit(0);
 
-	/* 1.2.1.2 and up are OK */
-	if (v >= 1020102)
+	/* 1.2.3 and up are OK */
+	if (v >= 1020300)
 		exit(0);
 
 	exit(2);
@@ -739,7 +822,7 @@ Your reported zlib version has known security problems.  It's possible your
 vendor has fixed these problems without changing the version number.  If you
 are sure this is the case, you can disable the check by running
 "./configure --without-zlib-version-check".
-If you are in doubt, upgrade zlib to version 1.2.1.2 or greater.
+If you are in doubt, upgrade zlib to version 1.2.3 or greater.
 See http://www.gzip.org/zlib/ for details.])
 	  else
 		AC_MSG_WARN([zlib version may have security problems])
@@ -1046,6 +1129,7 @@ AC_CHECK_FUNCS( \
 	strmode \
 	strnvis \
 	strtonum \
+	strtoll \
 	strtoul \
 	sysconf \
 	tcgetpgrp \
@@ -2541,7 +2625,9 @@ int main()
 			 AC_MSG_RESULT(no)])
 		    ])
 		AC_CHECK_FUNCS(_getshort _getlong)
-		AC_CHECK_DECLS([_getshort, _getlong])
+		AC_CHECK_DECLS([_getshort, _getlong], , ,
+		    [#include <sys/types.h>
+		    #include <arpa/nameser.h>])
 		AC_CHECK_MEMBER(HEADER.ad,
 			[AC_DEFINE(HAVE_HEADER_AD)],,
 			[#include <arpa/nameser.h>])
@@ -2645,7 +2731,6 @@ AC_ARG_WITH(kerberos5,
 
 	LIBS="$LIBS $K5LIBS"
 	AC_SEARCH_LIBS(k_hasafs, kafs, AC_DEFINE(USE_AFS))
-	AC_SEARCH_LIBS(krb5_init_ets, $K5LIBS, AC_DEFINE(KRB5_INIT_ETS))
 	]
 )
 
@@ -3284,6 +3369,10 @@ if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
 	LIBS=`echo $LIBS | sed 's/-ldl //'`
 fi
 
+dnl Adding -Werror to CFLAGS early prevents configure tests from running.
+dnl Add now.
+CFLAGS="$CFLAGS $werror_flags"
+
 AC_EXEEXT
 AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openbsd-compat/Makefile \
 	scard/Makefile ssh_prng_cmds survey.sh])