Fixed the tests for libsocket, libnsl, and libresolv. Improved the tests

for the yacc program since bison 1.25 was originally used to write the
scanner. Updated the list of headers to look for when configuring. Bumped
up the prerelease number.

ChangeLog

@@ -1,3 +1,10 @@
+2001-06-02  Robert James Kaes  <rjkaes@flarenet.com>
+
+	* configure.in: Fixed up the tests for libsocket, libnsl, and
+	libresolv. Also improved the test for the yacc program since I
+	used bison 1.25 to originally write it. Updated the list of
+	headers to look for when configuring. Bumped up the version.
+
 2001-06-01  Robert James Kaes  <rjkaes@flarenet.com>
 
 	* configure.in: Fixed a problem when using the --with-port= config

configure.in

@@ -1,23 +1,79 @@
-dnl $Id: configure.in,v 1.9 2001-06-02 03:33:17 rjkaes Exp $
+dnl $Id: configure.in,v 1.10 2001-06-02 17:23:16 rjkaes Exp $
 
 AC_INIT()
-AM_INIT_AUTOMAKE(tinyproxy,1.4.0pre4)
+AM_INIT_AUTOMAKE(tinyproxy,1.4.0pre5)
 AM_CONFIG_HEADER(config.h)
 
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
 dnl Checks for programs.
+AC_PROG_AWK
 AC_PROG_MAKE_SET
 AC_PROG_CC
 AC_PROG_INSTALL
-AM_PROG_LEX
+AC_PROG_LN_S
 AC_PROG_YACC
+if test "$YACC" != "bison -y"; then
+    AC_MSG_WARN(You will need bison if you want to regenerate the parser.)
+else
+    AC_MSG_CHECKING(bison version)
+    oldIFS=$IFS; IFS=.
+    set `bison -V | sed -e 's/^GNU Bison version //'`
+    IFS=$oldIFS
+    if test "$1" = "1" -a "$2" -lt "25"; then
+        AC_MSG_WARN(Bison 1.25 or newer needed to regenerate parsers (found $1.$2).)
+    fi
+    AC_MSG_RESULT($1.$2 (ok))
+fi
+
+AM_PROG_LEX
 AM_C_PROTOTYPES
 
 dnl Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS(sys/types.h sys/socket.h sys/time.h time.h netinet/in.h arpa/inet.h error.h fcntl.h netdb.h signal.h stdio.h stdint.h stdlib.h string.h sys/stat.h sys/uio.h unistd.h sys/wait.h sys/un.h sys/select.h strings.h sys/ioctl.h pthread.h sys/sysctl.h syslog.h stdint.h sys/resource.h)
+AC_CHECK_HEADERS(\
+sys/types.h \
+sys/ioctl.h \
+sys/resource.h \
+sys/select.h \
+sys/socket.h \
+sys/stat.h \
+sys/sysctl.h \
+sys/time.h \
+sys/uio.h \
+sys/un.h \
+sys/wait.h \
+arpa/inet.h \
+netinet/in.h \
+alloca.h \
+assert.h \
+ctype.h \
+errno.h \
+fcntl.h \
+grp.h \
+io.h \
+libintl.h \
+malloc.h \
+netdb.h \
+pthread.h \
+pwd.h \
+regex.h \
+signal.h \
+stdarg.h \
+stddef.h \
+stdint.h \
+stdio.h \
+stdlib.h \
+string.h \
+strings.h \
+sysexists.h \
+syslog.h \
+time.h \
+unistd.h \
+wchar.h \
+wctype.h \
+)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
@@ -35,26 +91,50 @@ AC_UNP_CHECK_TYPE(in_addr_t, uint32_t)
 
 dnl Checks for libraries
 AC_CHECK_LIB(pthread, pthread_create)
-if test $ac_cv_lib_pthread_pthread_create = yes ; then
+if test "$ac_cv_lib_pthread_pthread_create" = "yes"; then
     CFLAGS="$CFLAGS -D_REENTRANT"
 else
     AC_CHECK_LIB(pthreads, pthread_create)
-    if test $ac_cv_lib_pthreads_pthread_create = yes ; then
+    if test "$ac_cv_lib_pthreads_pthread_create" = "yes"; then
         CFLAGS="$CFLAGS -D_REENTRANT"
     else
 	AC_MSG_ERROR(You must have a POSIX compliant threading library installed)
     fi
 fi
 
-AC_CHECK_LIB(nsl, t_open)
+AC_CHECK_LIB(socket, socket, [ ], [ AC_CHECK_LIB(socket, htonl) ])
-AC_CHECK_LIB(socket, socket)
+
-AC_CHECK_LIB(resolv, gethostbyname)
+dnl Some systems (OpenServer 5) dislike -lsocket -lnsl, so we try to
+dnl avoid -lnsl checks, if we already have the functions which are
+dnl usually in libnsl
+
+unset ac_cv_func_yp_get_default_domain
+AC_CHECK_FUNC(yp_get_default_domain, [ tinyproxy_no_nsl_checks=yes ], [ ])
+unset ac_cv_func_yp_get_default_domain
+
+if test "$tinyproxy_no_nsl_checks" != "yes"; then
+    AC_CHECK_LIB(nsl, gethostname, [ ], [ AC_CHECK_LIB(nsl, gethostbyaddr) ])
+fi
+
+AC_CHECK_LIB(resolv, inet_aton)
 
 dnl Checks for library functions.
+AC_FUNC_ALLOCA
+dnl AC_FUNC_MEMCMP
 AC_TYPE_SIGNAL
 AC_FUNC_STRFTIME
 AC_FUNC_VPRINTF
-AC_CHECK_FUNCS(ftruncate select setrlimit socket strdup strerror vsnprintf vsyslog)
+AC_CHECK_FUNCS(\
+ftruncate \
+select \
+setrlimit \
+socket \
+strdup \
+strerror \
+strtol \
+vsnprintf \
+vsyslog \
+)
 AC_CHECK_FUNCS(strlcpy strlcat)
 
 dnl chris - allow user to choose log file location, port and username
@@ -75,7 +155,7 @@ AC_ARG_WITH(regex, [  --with-regex            Use the GNU regex libary],
             tinyproxy_cv_regex=yes,
             AC_CHECK_FUNCS(regcomp, tinyproxy_cv_regex=no, tinyproxy_cv_regex=yes))
 
-if test $tinyproxy_cv_regex = no ; then
+if test "$tinyproxy_cv_regex" != "yes" ; then
     AC_MSG_CHECKING(whether your system's regexp library is completely broken)
     AC_CACHE_VAL(tinyproxy_cv_regex_broken,
                  AC_TRY_RUN([
@@ -92,13 +172,13 @@ int main(void)
                             tinyproxy_cv_regex_broken=yes))
 
     AC_MSG_RESULT($tinyproxy_cv_regex_broken)
-    if test $tinyproxy_cv_regex_broken = yes ; then
+    if test "$tinyproxy_cv_regex_broken" = "yes" ; then
         echo "Using the included GNU regex instead." >&AC_FD_MSG
         tinyproxy_cv_regex=yes
     fi
 fi
 
-if test $tinyproxy_cv_regex = yes ; then
+if test "$tinyproxy_cv_regex" = "yes" ; then
     AC_DEFINE(USE_GNU_REGEX)
     LIBOBJS="$LIBOBJS gnuregex.o"
 fi
@@ -109,7 +189,7 @@ AC_ARG_ENABLE(debug,
               debug_enabled=yes)
 
 CFLAGS="$CFLAGS -Wall"
-if test x$enable_debug = xyes ; then
+if test "$enable_debug" = "yes" ; then
     dnl Add the warnings if we have the GCC compiler
     if test x$ac_cv_prog_gcc = xyes ; then
         CFLAGS="$CFLAGS -Wshadow"
@@ -134,10 +214,10 @@ AC_ARG_ENABLE(socks,
 [  --enable-socks          Enable SOCKS support [default=no]],
               socks_enabled=yes)
 
-if test x$socks_enabled = xyes; then
+if test "$socks_enabled" = "yes"; then
     AC_CHECK_HEADER(socks.h, socks_header=yes, socks_header=no)
     AC_CHECK_LIB(socks, main, socks_library=yes, socks_library=no)
-    if test "$socks_header" = yes && test "$socks_library" = yes; then
+    if test "$socks_header" = "yes" -a "$socks_library" = "yes"; then
         CFLAGS="$CFLAGS -I/usr/include/sock.h -DSOCKS"
         LIBS="$LIBS -lsocks"
     else
@@ -150,7 +230,7 @@ AC_ARG_ENABLE(xtinyproxy,
 [  --enable-xtinyproxy     Include X-Tinyproxy header [default=yes]],
               xtinyproxy_enabled=yes)
 
-if test x$xtinyproxy_enabled != xno ; then
+if test "$xtinyproxy_enabled" = "yes" ; then
     AC_DEFINE(XTINYPROXY_ENABLE)
 fi
 
@@ -159,7 +239,7 @@ AC_ARG_ENABLE(filter,
 [  --enable-filter         Enable filtering of domains/URLs [default=yes]],
               filter_enabled=yes)
 
-if test x$filter_enabled != xno ; then
+if test "$filter_enabled" = "yes" ; then
     LIBOBJS="$LIBOBJS filter.o"
     AC_DEFINE(FILTER_ENABLE)
 fi
@@ -169,7 +249,7 @@ AC_ARG_ENABLE(tunnel,
 [  --enable-tunnel         Enable support for TCP tunneling [default=yes]],
               tunnel_enabled=yes)
 
-if test x$tunnel_enabled != xno ; then
+if test "$tunnel_enabled" = "yes" ; then
     AC_DEFINE(TUNNEL_SUPPORT)
 fi