Restore AC_CHECK_HEADERS in preference to AC_CHECK_HEADER so that the HAVE_*

defines will be generated when needed.  This fixes breakage caused by 44703.
Only usage where HAVE_* macro is in setup.h.in or was used by configure
itself (e.g. HAVE_X11_XLIB_H) is changed.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47596 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/acinclude.m4 b/acinclude.m4
index 8ba09736997561063938ee49682a136e57a9b960..d07c008c657d0d86404174d267c2b36ebe93b5fc 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -132,7 +132,7 @@ AC_DEFUN([WX_CPP_NEW_HEADERS],
     AC_LANG_SAVE
     AC_LANG_CPLUSPLUS
 
-    AC_CHECK_HEADER(iostream,,, [ ])
+    AC_CHECK_HEADERS([iostream],,, [ ])
 
     if test "$ac_cv_header_iostream" = "yes" ; then
       ifelse([$1], , :, [$1])

diff --git a/configure b/configure
index ed720f469175a4ce91ee8030c13bd9b6902e8930..37378bd404dd30a9b7186531d5aec7948a7339da 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Id: configure.in 47557 2007-07-19 01:02:28Z VZ .
+# From configure.in Id: configure.in 47575 2007-07-19 23:00:09Z VZ .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for wxWidgets 2.9.0.
 #
@@ -21203,9 +21203,13 @@ done
 
 
 if test "$ac_cv_header_wchar_h" != "yes"; then
-    { echo "$as_me:$LINENO: checking for wcstr.h" >&5
-echo $ECHO_N "checking for wcstr.h... $ECHO_C" >&6; }
-if test "${ac_cv_header_wcstr_h+set}" = set; then
+
+for ac_header in wcstr.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -21216,7 +21220,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
 
-#include <wcstr.h>
+#include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -21235,19 +21239,27 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
         test -z "$ac_c_werror_flag" ||
         test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_header_wcstr_h=yes
+  eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_cv_header_wcstr_h=no
+       eval "$as_ac_Header=no"
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_wcstr_h" >&5
-echo "${ECHO_T}$ac_cv_header_wcstr_h" >&6; }
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
 
+done
 
 fi
 
@@ -21263,9 +21275,13 @@ case "${host}" in
 esac
 
 if test "$USE_UNIX" = 1 ; then
-    { echo "$as_me:$LINENO: checking for sys/select.h" >&5
-echo $ECHO_N "checking for sys/select.h... $ECHO_C" >&6; }
-if test "${ac_cv_header_sys_select_h+set}" = set; then
+
+for ac_header in sys/select.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -21276,7 +21292,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
 
-#include <sys/select.h>
+#include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -21295,19 +21311,27 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
         test -z "$ac_c_werror_flag" ||
         test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_header_sys_select_h=yes
+  eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_cv_header_sys_select_h=no
+       eval "$as_ac_Header=no"
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_sys_select_h" >&5
-echo "${ECHO_T}$ac_cv_header_sys_select_h" >&6; }
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
 
+done
 
 fi
 
@@ -26045,9 +26069,13 @@ ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ex
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
-    { echo "$as_me:$LINENO: checking for iostream" >&5
-echo $ECHO_N "checking for iostream... $ECHO_C" >&6; }
-if test "${ac_cv_header_iostream+set}" = set; then
+
+for ac_header in iostream
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -26058,7 +26086,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-#include <iostream>
+#include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -26077,19 +26105,27 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
         test -z "$ac_cxx_werror_flag" ||
         test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_header_iostream=yes
+  eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_cv_header_iostream=no
+       eval "$as_ac_Header=no"
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_iostream" >&5
-echo "${ECHO_T}$ac_cv_header_iostream" >&6; }
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
 
+fi
+
+done
 
 
     if test "$ac_cv_header_iostream" = "yes" ; then
@@ -34790,9 +34826,13 @@ fi
 
 if test "$wxUSE_GUI" = "yes"; then
     if test "$wxUSE_UNIX" = "yes" -a "$wxUSE_PM" != 1; then
-                { echo "$as_me:$LINENO: checking for X11/Xlib.h" >&5
-echo $ECHO_N "checking for X11/Xlib.h... $ECHO_C" >&6; }
-if test "${ac_cv_header_X11_Xlib_h+set}" = set; then
+
+for ac_header in X11/Xlib.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -34803,7 +34843,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-#include <X11/Xlib.h>
+#include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -34822,23 +34862,35 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
         test -z "$ac_c_werror_flag" ||
         test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_Xlib_h=yes
+  eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_cv_header_X11_Xlib_h=no
+       eval "$as_ac_Header=no"
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_X11_Xlib_h" >&5
-echo "${ECHO_T}$ac_cv_header_X11_Xlib_h" >&6; }
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
 
+done
 
-        { echo "$as_me:$LINENO: checking for X11/XKBlib.h" >&5
-echo $ECHO_N "checking for X11/XKBlib.h... $ECHO_C" >&6; }
-if test "${ac_cv_header_X11_XKBlib_h+set}" = set; then
+
+for ac_header in X11/XKBlib.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -34853,7 +34905,7 @@ cat >>conftest.$ac_ext <<_ACEOF
                           #endif
 
 
-#include <X11/XKBlib.h>
+#include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -34872,19 +34924,27 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
         test -z "$ac_c_werror_flag" ||
         test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_XKBlib_h=yes
+  eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_cv_header_X11_XKBlib_h=no
+       eval "$as_ac_Header=no"
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_X11_XKBlib_h" >&5
-echo "${ECHO_T}$ac_cv_header_X11_XKBlib_h" >&6; }
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
 
+done
 
     fi
 fi
@@ -35238,9 +35298,13 @@ echo $ECHO_N "checking for Xxf86vm extension... $ECHO_C" >&6; }
             if test "$ac_find_libraries" != "" ; then
                 { echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6; }
-                { echo "$as_me:$LINENO: checking for X11/extensions/xf86vmode.h" >&5
-echo $ECHO_N "checking for X11/extensions/xf86vmode.h... $ECHO_C" >&6; }
-if test "${ac_cv_header_X11_extensions_xf86vmode_h+set}" = set; then
+
+for ac_header in X11/extensions/xf86vmode.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -35255,7 +35319,7 @@ cat >>conftest.$ac_ext <<_ACEOF
                                       #endif
 
 
-#include <X11/extensions/xf86vmode.h>
+#include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -35274,24 +35338,29 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
         test -z "$ac_c_werror_flag" ||
         test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_header_X11_extensions_xf86vmode_h=yes
+  eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_cv_header_X11_extensions_xf86vmode_h=no
+       eval "$as_ac_Header=no"
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_X11_extensions_xf86vmode_h" >&5
-echo "${ECHO_T}$ac_cv_header_X11_extensions_xf86vmode_h" >&6; }
-if test $ac_cv_header_X11_extensions_xf86vmode_h = yes; then
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
 
                                   GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lXxf86vm"
 
 fi
 
+done
 
             else
                 { echo "$as_me:$LINENO: result: no" >&5
@@ -41572,9 +41641,13 @@ _ACEOF
 
       fi
 
-      { echo "$as_me:$LINENO: checking for sched.h" >&5
-echo $ECHO_N "checking for sched.h... $ECHO_C" >&6; }
-if test "${ac_cv_header_sched_h+set}" = set; then
+
+for ac_header in sched.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -41585,7 +41658,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
 
-#include <sched.h>
+#include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -41604,19 +41677,27 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
         test -z "$ac_c_werror_flag" ||
         test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_header_sched_h=yes
+  eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_cv_header_sched_h=no
+       eval "$as_ac_Header=no"
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_sched_h" >&5
-echo "${ECHO_T}$ac_cv_header_sched_h" >&6; }
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
 
+fi
+
+done
 
       if test "$ac_cv_header_sched_h" = "yes"; then
           { echo "$as_me:$LINENO: checking for sched_yield" >&5
@@ -47249,9 +47330,13 @@ echo "${ECHO_T}$wxUSE_JOYSTICK" >&6; }
 
         else
                 if test "$wxUSE_MGL" != "1"; then
-                                                                                    { echo "$as_me:$LINENO: checking for linux/joystick.h" >&5
-echo $ECHO_N "checking for linux/joystick.h... $ECHO_C" >&6; }
-if test "${ac_cv_header_linux_joystick_h+set}" = set; then
+
+for ac_header in linux/joystick.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -47262,7 +47347,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
 
-#include <linux/joystick.h>
+#include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -47281,22 +47366,27 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
         test -z "$ac_c_werror_flag" ||
         test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  ac_cv_header_linux_joystick_h=yes
+  eval "$as_ac_Header=yes"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_cv_header_linux_joystick_h=no
+       eval "$as_ac_Header=no"
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_linux_joystick_h" >&5
-echo "${ECHO_T}$ac_cv_header_linux_joystick_h" >&6; }
-if test $ac_cv_header_linux_joystick_h = yes; then
-  wxUSE_JOYSTICK=yes
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+ wxUSE_JOYSTICK=yes
 fi
 
+done
 
         fi
     fi

diff --git a/configure.in b/configure.in
index 041624853f89429376d00d899b111d60c80faefb..67eb351250df806515b848d26c04f3905b8696dd 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1424,7 +1424,7 @@ AC_CHECK_HEADERS(stdlib.h fnmatch.h langinfo.h malloc.h unistd.h wchar.h,,, [AC_
 
 dnl maybe wchar_t is in wcstr.h if we don't have wchar.h?
 if test "$ac_cv_header_wchar_h" != "yes"; then
-    AC_CHECK_HEADER(wcstr.h,,, [AC_INCLUDES_DEFAULT()])
+    AC_CHECK_HEADERS([wcstr.h],,, [AC_INCLUDES_DEFAULT()])
 fi
 
 case "${host}" in
@@ -1442,7 +1442,7 @@ esac
 
 dnl POSIX needs this for select(), but old systems don't have it
 if test "$USE_UNIX" = 1 ; then
-    AC_CHECK_HEADER([sys/select.h],,, [AC_INCLUDES_DEFAULT()])
+    AC_CHECK_HEADERS([sys/select.h],,, [AC_INCLUDES_DEFAULT()])
 fi
 
 dnl ---------------------------------------------------------------------------
@@ -2604,7 +2604,7 @@ if test "$USE_WIN32" = 1 ; then
     WIN32INSTALL=win32install
 
     dnl pbt.h is missing on Wine at least
-    AC_CHECK_HEADER(pbt.h,, [AC_DEFINE(NEED_PBT_H)], [ ])
+    AC_CHECK_HEADER([pbt.h],, [AC_DEFINE(NEED_PBT_H)], [ ])
 fi
 
 if test "$wxUSE_GUI" = "yes"; then
@@ -3439,8 +3439,8 @@ dnl do this after test for X11 above so that we have a chance of finding Xlib.h
 if test "$wxUSE_GUI" = "yes"; then
     if test "$wxUSE_UNIX" = "yes" -a "$wxUSE_PM" != 1; then
         dnl defines HAVE_X11_XKBLIB_H
-        AC_CHECK_HEADER(X11/Xlib.h,,, [ ])
-        AC_CHECK_HEADER([X11/XKBlib.h],,,
+        AC_CHECK_HEADERS([X11/Xlib.h],,, [ ])
+        AC_CHECK_HEADERS([X11/XKBlib.h],,,
                          [
                           #if HAVE_X11_XLIB_H
                             #include <X11/Xlib.h>
@@ -3523,7 +3523,7 @@ dnl ---------------------------------------------------------------------------
             WX_PATH_FIND_LIBRARIES([$SEARCH_LIB],Xxf86vm)
             if test "$ac_find_libraries" != "" ; then
                 AC_MSG_RESULT([yes])
-                AC_CHECK_HEADER([X11/extensions/xf86vmode.h],
+                AC_CHECK_HEADERS([X11/extensions/xf86vmode.h],
                                  [
                                   GUI_TK_LIBRARY="$GUI_TK_LIBRARY -lXxf86vm"
                                  ],
@@ -4885,7 +4885,7 @@ if test "$TOOLKIT" != "MSW" -a "$USE_OS2" != 1; then
         AC_DEFINE(wxHAVE_PTHREAD_CLEANUP)
       fi
 
-      AC_CHECK_HEADER(sched.h,,, [AC_INCLUDES_DEFAULT()])
+      AC_CHECK_HEADERS(sched.h,,, [AC_INCLUDES_DEFAULT()])
       if test "$ac_cv_header_sched_h" = "yes"; then
           AC_CHECK_FUNC(sched_yield,
             AC_DEFINE(HAVE_SCHED_YIELD),
@@ -6161,7 +6161,7 @@ if test "$wxUSE_GUI" = "yes" -a "$wxUSE_JOYSTICK" = "yes"; then
             dnl can't be compiled because of an error and with the default
             dnl AC_CHECK_HEADER semantics we'd still detect it in this case and
             dnl build would fail later
-            AC_CHECK_HEADER(linux/joystick.h, [wxUSE_JOYSTICK=yes],, [AC_INCLUDES_DEFAULT()])
+            AC_CHECK_HEADERS([linux/joystick.h], [wxUSE_JOYSTICK=yes],, [AC_INCLUDES_DEFAULT()])
         fi
     fi