Add WX_CHECK_DECLS macro and try it out on strtok_r. Otherwise the test for

strtok_r succeeds on Minix though the function is not available.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40754 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

acinclude.m4

@@ -227,6 +227,44 @@ AC_DEFUN([WX_CPP_EXPLICIT],
   fi
 ])
 
+dnl ---------------------------------------------------------------------------
+dnl WX_CHECK_DECLS(TARGET...,
+dnl                HEADER,
+dnl                [ACTION-IF-FOUND],
+dnl                [ACTION-IF-NOT-FOUND])
+dnl
+dnl Checks that the functions, macros or variables listed in TARGET are
+dnl declared when HEADER is included.
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN([WX_CHECK_DECLS],
+[
+  for target in $1
+  do
+    AC_CACHE_CHECK([for $target in $2],
+                   [wx_cv_decl_$target],
+                   [
+                    AC_TRY_COMPILE([#include <$2>],
+                                   [
+                                    #ifndef $target
+                                      &$target;
+                                    #endif
+                                   ],
+                                   [eval wx_cv_decl_$target=yes],
+                                   [eval wx_cv_decl_$target=no])
+                   ])
+
+    if eval test \$wx_cv_decl_$target = yes
+    then
+      AC_DEFINE_UNQUOTED([HAVE_`echo $target | tr 'a-z' 'A-Z'`])
+      $3
+    else
+      :
+      $4
+    fi
+  done
+])
+
 dnl ---------------------------------------------------------------------------
 dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling
 dnl ---------------------------------------------------------------------------

configure

@@ -2124,6 +2124,9 @@ _ACEOF
 echo "$as_me: WARNING: *** System type ${host} is unknown, assuming generic Unix and continuing nevertheless." >&2;}
     { echo "$as_me:$LINENO: WARNING: *** Please report the build results to wx-dev@lists.wxwidgets.org." >&5
 echo "$as_me: WARNING: *** Please report the build results to wx-dev@lists.wxwidgets.org." >&2;}
+
+    DEFAULT_DEFAULT_wxUSE_X11=1
+    DEFAULT_wxUSE_SHARED=no
 esac
 
 
@@ -2145,7 +2148,7 @@ if test $DEBUG_CONFIGURE = 1; then
 
   DEFAULT_wxUSE_THREADS=yes
 
-  DEFAULT_wxUSE_SHARED=yes
+  DEFAULT_wxUSE_SHARED=${DEFAULT_wxUSE_SHARED:-yes}
   DEFAULT_wxUSE_OPTIMISE=no
   DEFAULT_wxUSE_PROFILE=no
   DEFAULT_wxUSE_NO_DEPS=no
@@ -2359,7 +2362,7 @@ else
 
   DEFAULT_wxUSE_THREADS=yes
 
-  DEFAULT_wxUSE_SHARED=yes
+  DEFAULT_wxUSE_SHARED=${DEFAULT_wxUSE_SHARED:-yes}
   DEFAULT_wxUSE_OPTIMISE=yes
   DEFAULT_wxUSE_PROFILE=no
   DEFAULT_wxUSE_NO_DEPS=no
@@ -28758,7 +28761,7 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <X11/Xlib.h>
+#include <X11/Intrinsic.h>
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
   (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
@@ -28785,7 +28788,7 @@ else
 sed 's/^/| /' conftest.$ac_ext >&5
 
   for ac_dir in $ac_x_header_dirs; do
-  if test -r "$ac_dir/X11/Xlib.h"; then
+  if test -r "$ac_dir/X11/Intrinsic.h"; then
     ac_x_includes=$ac_dir
     break
   fi
@@ -28799,18 +28802,18 @@ if test "$ac_x_libraries" = no; then
   # See if we find them without any special options.
   # Don't add to $LIBS permanently.
   ac_save_LIBS=$LIBS
-  LIBS="-lX11 $LIBS"
+  LIBS="-lXt $LIBS"
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <X11/Xlib.h>
+#include <X11/Intrinsic.h>
 int
 main ()
 {
-XrmInitialize ()
+XtMalloc (0)
   ;
   return 0;
 }
@@ -28848,7 +28851,7 @@ for ac_dir in `echo "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g`
 do
   # Don't even attempt the hair of trying to link an X program!
   for ac_extension in a so sl; do
-    if test -r $ac_dir/libX11.$ac_extension; then
+    if test -r $ac_dir/libXt.$ac_extension; then
       ac_x_libraries=$ac_dir
       break 2
     fi
@@ -36955,69 +36958,39 @@ fi
 done
 
 
+SAVE_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS -D_REENTRANT"
 
-for ac_func in strtok_r
+  for target in strtok_r
-do
+  do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+    echo "$as_me:$LINENO: checking for $target in string.h" >&5
-echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $target in string.h... $ECHO_C" >&6
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${wx_cv_decl_$target+set}\" = set"; then
-if eval "test \"\${$as_ac_var+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
+
+                    cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+#include <string.h>
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* 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 $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
-
 int
 main ()
 {
-return f != $ac_func;
+
+                                    #ifndef $target
+                                      &$target;
+                                    #endif
+
   ;
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
+rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_link) 2>conftest.er1
+  (eval $ac_compile) 2>conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
@@ -37030,32 +37003,39 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest$ac_exeext'
+	 { 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 $ac_status); }; }; then
-  eval "$as_ac_var=yes"
+  eval wx_cv_decl_$target=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-eval "$as_ac_var=no"
+eval wx_cv_decl_$target=no
 fi
-rm -f conftest.err conftest.$ac_objext \
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-      conftest$ac_exeext conftest.$ac_ext
+
 fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "$as_me:$LINENO: result: `eval echo '${'wx_cv_decl_$target'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+echo "${ECHO_T}`eval echo '${'wx_cv_decl_$target'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
+
-  cat >>confdefs.h <<_ACEOF
+    if eval test \$wx_cv_decl_$target = yes
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+    then
+      cat >>confdefs.h <<_ACEOF
+#define HAVE_`echo $target | tr 'a-z' 'A-Z'` 1
 _ACEOF
 
-fi
-done
 
+    else
+      :
+
+    fi
+  done
+
+CPPFLAGS="$SAVE_CPPFLAGS"
 
 INET_LINK=
 
@@ -40539,7 +40519,7 @@ _ACEOF
 
   SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS thread"
 else
-      if test "$ac_cv_func_strtok_r" = "yes"; then
+      if test "$wx_cv_decl_strtok_r" = "yes"; then
     echo "$as_me:$LINENO: checking if -D_REENTRANT is needed" >&5
 echo $ECHO_N "checking if -D_REENTRANT is needed... $ECHO_C" >&6
     if test "$NEEDS_D_REENTRANT_FOR_R_FUNCS" = 1; then

configure.in

@@ -4664,7 +4664,10 @@ fi
 dnl check for uname (POSIX) and gethostname (BSD)
 AC_CHECK_FUNCS(uname gethostname, break)
 
-AC_CHECK_FUNCS(strtok_r)
+SAVE_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS -D_REENTRANT"
+WX_CHECK_DECLS(strtok_r, string.h)
+CPPFLAGS="$SAVE_CPPFLAGS"
 
 dnl check for inet_addr and inet_aton (these may live either in libc, or in
 dnl libnsl or libresolv or libsocket)
@@ -5139,7 +5142,7 @@ if test "$wxUSE_THREADS" = "yes"; then
 else
   dnl on some systems, _REENTRANT should be defined if we want to use any _r()
   dnl functions - add tests for other functions here as well
-  if test "$ac_cv_func_strtok_r" = "yes"; then
+  if test "$wx_cv_decl_strtok_r" = "yes"; then
     AC_MSG_CHECKING(if -D_REENTRANT is needed)
     if test "$NEEDS_D_REENTRANT_FOR_R_FUNCS" = 1; then
         WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS -D_REENTRANT"