* generic/tclExecute.c: Removed obsolete use of NO_ERRNO_H.

        * tools/man2tcl.c:
        * unix/tcl.m4:
        * unix/tclConfig.h.in:
        * win/configure.in:

        * unix/configure:       autoconf-2.59
        * win/configure:

3 files changed, 0 insertions, 153 deletions

diff --git a/unix/configure b/unix/configure
index 016f053..28f268e 100755
--- a/unix/configure
+++ b/unix/configure
@@ -2933,154 +2933,6 @@ _ACEOF
 
     echo "$as_me:$LINENO: result: $tcl_ok" >&5
 echo "${ECHO_T}$tcl_ok" >&6
-    if test "${ac_cv_header_errno_h+set}" = set; then
-  echo "$as_me:$LINENO: checking for errno.h" >&5
-echo $ECHO_N "checking for errno.h... $ECHO_C" >&6
-if test "${ac_cv_header_errno_h+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: $ac_cv_header_errno_h" >&5
-echo "${ECHO_T}$ac_cv_header_errno_h" >&6
-else
-  # Is the header compilable?
-echo "$as_me:$LINENO: checking errno.h usability" >&5
-echo $ECHO_N "checking errno.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.  */
-$ac_includes_default
-#include <errno.h>
-_ACEOF
-rm -f conftest.$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 errno.h presence" >&5
-echo $ECHO_N "checking errno.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 <errno.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:$LINENO: WARNING: errno.h: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: errno.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: errno.h: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: errno.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: errno.h: present but cannot be compiled" >&5
-echo "$as_me: WARNING: errno.h: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: errno.h:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: errno.h:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: errno.h: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: errno.h: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: errno.h:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: errno.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: errno.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: errno.h: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: errno.h: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: errno.h: in the future, the compiler will take precedence" >&2;}
-    (
-      cat <<\_ASBOX
-## ------------------------------ ##
-## Report this to the tcl lists.  ##
-## ------------------------------ ##
-_ASBOX
-    ) |
-      sed "s/^/$as_me: WARNING:     /" >&2
-    ;;
-esac
-echo "$as_me:$LINENO: checking for errno.h" >&5
-echo $ECHO_N "checking for errno.h... $ECHO_C" >&6
-if test "${ac_cv_header_errno_h+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_cv_header_errno_h=$ac_header_preproc
-fi
-echo "$as_me:$LINENO: result: $ac_cv_header_errno_h" >&5
-echo "${ECHO_T}$ac_cv_header_errno_h" >&6
-
-fi
-if test $ac_cv_header_errno_h = yes; then
-  :
-else
-
-cat >>confdefs.h <<\_ACEOF
-#define NO_ERRNO_H 1
-_ACEOF
-
-fi
-
-
     if test "${ac_cv_header_float_h+set}" = set; then
   echo "$as_me:$LINENO: checking for float.h" >&5
 echo $ECHO_N "checking for float.h... $ECHO_C" >&6
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index aa6e870..b44556e 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -2054,7 +2054,6 @@ int main() {
 #
 #	Defines some of the following vars:
 #		NO_DIRENT_H
-#		NO_ERRNO_H
 #		NO_VALUES_H
 #		HAVE_LIMITS_H or NO_LIMITS_H
 #		NO_STDLIB_H
@@ -2096,7 +2095,6 @@ closedir(d);
     fi
 
     AC_MSG_RESULT($tcl_ok)
-    AC_CHECK_HEADER(errno.h, , [AC_DEFINE(NO_ERRNO_H, 1, [Do we have <errno.h>?])])
     AC_CHECK_HEADER(float.h, , [AC_DEFINE(NO_FLOAT_H, 1, [Do we have <float.h>?])])
     AC_CHECK_HEADER(values.h, , [AC_DEFINE(NO_VALUES_H, 1, [Do we have <values.h>?])])
     AC_CHECK_HEADER(limits.h,
diff --git a/unix/tclConfig.h.in b/unix/tclConfig.h.in
index 39df8cf..51aa0ed 100644
--- a/unix/tclConfig.h.in
+++ b/unix/tclConfig.h.in
@@ -183,9 +183,6 @@
 /* Do we have <dlfcn.h>? */
 #undef NO_DLFCN_H
 
-/* Do we have <errno.h>? */
-#undef NO_ERRNO_H
-
 /* Do we have fd_set? */
 #undef NO_FD_SET