texinfo/texinfo-4.7-zlib.patch

--- config.in
+++ config.in	Wed Apr 21 12:18:07 2004
@@ -326,6 +326,9 @@
 /* Define to 1 if you have the `__secure_getenv' function. */
 #undef HAVE___SECURE_GETENV
 
+/* Define to 1 if you have libzio for opening compressed info files */
+#undef HAVE_ZIO
+
 /* Define as const if the declaration of iconv() needs const. */
 #undef ICONV_CONST
 
--- configure
+++ configure	Wed Apr 21 12:37:49 2004
@@ -13111,6 +13111,653 @@
 
 
 
+#
+# Check for zlib and libbz2 libraries to use this together
+# with SuSE's libzio to open compressed info files.
+#
+if test "${ac_cv_header_zlib_h+set}" = set; then
+  echo "$as_me:$LINENO: checking for zlib.h" >&5
+echo $ECHO_N "checking for zlib.h... $ECHO_C" >&6
+if test "${ac_cv_header_zlib_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_zlib_h" >&5
+echo "${ECHO_T}$ac_cv_header_zlib_h" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking zlib.h usability" >&5
+echo $ECHO_N "checking zlib.h usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <zlib.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking zlib.h presence" >&5
+echo $ECHO_N "checking zlib.h presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <zlib.h>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: zlib.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: zlib.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zlib.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: zlib.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: zlib.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: zlib.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zlib.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: zlib.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zlib.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: zlib.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zlib.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: zlib.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zlib.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: zlib.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zlib.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: zlib.h: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## -------------------------------------- ##
+## Report this to the GNU Texinfo lists.  ##
+## -------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for zlib.h" >&5
+echo $ECHO_N "checking for zlib.h... $ECHO_C" >&6
+if test "${ac_cv_header_zlib_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_zlib_h=$ac_header_preproc
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_zlib_h" >&5
+echo "${ECHO_T}$ac_cv_header_zlib_h" >&6
+
+fi
+if test $ac_cv_header_zlib_h = yes; then
+
+  for lib in z gz
+  do
+    as_ac_Lib=`echo "ac_cv_lib_$lib''_gzopen" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for gzopen in -l$lib" >&5
+echo $ECHO_N "checking for gzopen in -l$lib... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Lib+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-l$lib  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char gzopen ();
+int
+main ()
+{
+gzopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_Lib=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_Lib=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Lib'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Lib'}'`" >&6
+if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+  LIBS="$LIBS -l$lib" ; break
+fi
+
+  done
+fi
+
+
+if test "${ac_cv_header_bzlib_h+set}" = set; then
+  echo "$as_me:$LINENO: checking for bzlib.h" >&5
+echo $ECHO_N "checking for bzlib.h... $ECHO_C" >&6
+if test "${ac_cv_header_bzlib_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_bzlib_h" >&5
+echo "${ECHO_T}$ac_cv_header_bzlib_h" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking bzlib.h usability" >&5
+echo $ECHO_N "checking bzlib.h usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <bzlib.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking bzlib.h presence" >&5
+echo $ECHO_N "checking bzlib.h presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <bzlib.h>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: bzlib.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: bzlib.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: bzlib.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: bzlib.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: bzlib.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: bzlib.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: bzlib.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: bzlib.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: bzlib.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: bzlib.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: bzlib.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: bzlib.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: bzlib.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: bzlib.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: bzlib.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: bzlib.h: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## -------------------------------------- ##
+## Report this to the GNU Texinfo lists.  ##
+## -------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for bzlib.h" >&5
+echo $ECHO_N "checking for bzlib.h... $ECHO_C" >&6
+if test "${ac_cv_header_bzlib_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_bzlib_h=$ac_header_preproc
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_bzlib_h" >&5
+echo "${ECHO_T}$ac_cv_header_bzlib_h" >&6
+
+fi
+if test $ac_cv_header_bzlib_h = yes; then
+
+  for lib in bz2 bzip2
+  do
+    as_ac_Lib=`echo "ac_cv_lib_$lib''_BZ2_bzopen" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for BZ2_bzopen in -l$lib" >&5
+echo $ECHO_N "checking for BZ2_bzopen in -l$lib... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Lib+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-l$lib  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char BZ2_bzopen ();
+int
+main ()
+{
+BZ2_bzopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_Lib=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_Lib=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Lib'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Lib'}'`" >&6
+if test `eval echo '${'$as_ac_Lib'}'` = yes; then
+  LIBS="$LIBS -l$lib" ; break
+fi
+
+  done
+fi
+
+
+if test "${ac_cv_header_zio_h+set}" = set; then
+  echo "$as_me:$LINENO: checking for zio.h" >&5
+echo $ECHO_N "checking for zio.h... $ECHO_C" >&6
+if test "${ac_cv_header_zio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_zio_h" >&5
+echo "${ECHO_T}$ac_cv_header_zio_h" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking zio.h usability" >&5
+echo $ECHO_N "checking zio.h usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <zio.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking zio.h presence" >&5
+echo $ECHO_N "checking zio.h presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <zio.h>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: zio.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: zio.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zio.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: zio.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: zio.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: zio.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zio.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: zio.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zio.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: zio.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zio.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: zio.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zio.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: zio.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: zio.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: zio.h: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## -------------------------------------- ##
+## Report this to the GNU Texinfo lists.  ##
+## -------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for zio.h" >&5
+echo $ECHO_N "checking for zio.h... $ECHO_C" >&6
+if test "${ac_cv_header_zio_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_zio_h=$ac_header_preproc
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_zio_h" >&5
+echo "${ECHO_T}$ac_cv_header_zio_h" >&6
+
+fi
+if test $ac_cv_header_zio_h = yes; then
+
+    echo "$as_me:$LINENO: checking for fzopen in -lzio" >&5
+echo $ECHO_N "checking for fzopen in -lzio... $ECHO_C" >&6
+if test "${ac_cv_lib_zio_fzopen+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lzio  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char fzopen ();
+int
+main ()
+{
+fzopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_zio_fzopen=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_zio_fzopen=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_zio_fzopen" >&5
+echo "${ECHO_T}$ac_cv_lib_zio_fzopen" >&6
+if test $ac_cv_lib_zio_fzopen = yes; then
+  LIBS="$LIBS -lzio" ; cat >>confdefs.h <<\_ACEOF
+#define HAVE_ZIO 1
+_ACEOF
+
+fi
+
+
+fi
+
+
+
                                                                                                     ac_config_files="$ac_config_files Makefile doc/Makefile info/Makefile intl/Makefile lib/Makefile m4/Makefile makeinfo/Makefile makeinfo/tests/Makefile po/Makefile.in util/Makefile"
 
 cat >confcache <<\_ACEOF
--- configure.ac
+++ configure.ac	Wed Apr 21 12:37:32 2004
@@ -159,6 +159,24 @@
 AM_GNU_GETTEXT_VERSION(0.14.1)
 AM_GNU_GETTEXT()
 
+#
+# Check for zlib and libbz2 libraries to use this together
+# with SuSE's libzio to open compressed info files.
+#
+AC_CHECK_HEADER(zlib.h,[
+  for lib in z gz
+  do
+    AC_CHECK_LIB($lib, gzopen, [LIBS="$LIBS -l$lib" ; break])
+  done])
+AC_CHECK_HEADER(bzlib.h,[
+  for lib in bz2 bzip2
+  do
+    AC_CHECK_LIB($lib, BZ2_bzopen, [LIBS="$LIBS -l$lib" ; break])
+  done])
+AC_CHECK_HEADER(zio.h,[
+    AC_CHECK_LIB(zio, fzopen, [LIBS="$LIBS -lzio" ; AC_DEFINE(HAVE_ZIO)])
+  ])
+
 AC_CONFIG_FILES([
   Makefile
   doc/Makefile
--- util/install-info.c
+++ util/install-info.c	Wed Apr 21 12:49:50 2004
@@ -20,6 +20,9 @@
 
 #include "system.h"
 #include <getopt.h>
+#ifdef HAVE_ZIO
+# include <zio.h>
+#endif
 
 static char *progname = "install-info";
 
@@ -545,16 +548,28 @@
     opened_filename = &local_opened_filename;
 
   *opened_filename = filename;
+#ifdef HAVE_ZIO
+  f = fzopen (*opened_filename, FOPEN_RBIN);
+#else
   f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
   if (!f)
     {
       *opened_filename = concat (filename, ".gz", "");
+#ifdef HAVE_ZIO
+      f = fzopen (*opened_filename, FOPEN_RBIN);
+#else
       f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
   if (!f)
     {
       free (*opened_filename);
       *opened_filename = concat (filename, ".bz2", "");
+#ifdef HAVE_ZIO
+      f = fzopen (*opened_filename, FOPEN_RBIN);
+#else
       f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
     }
 
 #ifdef __MSDOS__
@@ -562,13 +577,21 @@
         {
           free (*opened_filename);
           *opened_filename = concat (filename, ".igz", "");
+#ifdef HAVE_ZIO
+          f = fzopen (*opened_filename, FOPEN_RBIN);
+#else
           f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
         }
       if (!f)
         {
           free (*opened_filename);
           *opened_filename = concat (filename, ".inz", "");
+#ifdef HAVE_ZIO
+          f = fzopen (*opened_filename, FOPEN_RBIN);
+#else
           f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
         }
 #endif
       if (!f)
@@ -580,7 +603,11 @@
               /* And try opening it again.  */
               free (*opened_filename);
               *opened_filename = filename;
+#ifdef HAVE_ZIO
+              f = fzopen (*opened_filename, FOPEN_RBIN);
+#else
               f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
               if (!f)
                 pfatal_with_name (filename);
             }
@@ -588,7 +615,7 @@
             pfatal_with_name (filename);
         }
     }
-
+#ifndef HAVE_ZIO
   /* Read first few bytes of file rather than relying on the filename.
      If the file is shorter than this it can't be usable anyway.  */
   nread = fread (data, sizeof (data), 1, f);
@@ -649,7 +676,14 @@
 #endif
       *is_pipe = 0;
     }
+#else /* !HAVE_ZIO */
+
+  if (!compression_program)
+    compression_program = &local_compression_program;
+
+  compression_program = NULL;
 
+#endif /* !HAVE_ZIO */
   return f;
 }
 
@@ -1449,7 +1483,7 @@
     warning (_("no entries found for `%s'; nothing deleted"), infile, 0);
 
   output_dirfile (opened_dirfilename, dir_nlines, dir_lines, n_entries_to_add,
-                  entries_to_add, input_sections, compression_program);
+                  entries_to_add, input_sections, NULL);
 
   xexit (0);
   return 0; /* Avoid bogus warnings.  */