Fixes for MinGW cross compilation: clear GEOS_CFLAGS and XERCES_CFLAG…

…S if headers found in /usr/include, do not use Unix 64 bit IO

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@23370 f0d54148-0727-0410-94bb-9a71ac55c965

configure

@@ -16725,6 +16725,22 @@ fi
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 64bit file io" >&5
 $as_echo_n "checking for 64bit file io... " >&6; }
 
+    case "${host_os}" in
+    *mingw*)
+        with_unix_stdio_64=no
+
+cat >>confdefs.h <<_ACEOF
+#define VSI_STAT64 _stat64
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define VSI_STAT64_T __stat64
+_ACEOF
+
+        ;;
+  esac
+
   if test x"$with_unix_stdio_64" = x"yes" ; then
     VSI_FTELL64=ftell64
     VSI_FSEEK64=fseek64
@@ -22751,6 +22767,7 @@ $as_echo_n "checking for Xerces C++ Parser... " >&6; }
 
             HAVE_XERCES="yes"
         else
+            XERCES_CFLAGS=""
             HAVE_XERCES="no"
         fi
 
@@ -25676,6 +25693,10 @@ else
 fi
 
 
+      if test x"$HAVE_GEOS" = "xno"; then
+          GEOS_CFLAGS=""
+      fi
+
       CFLAGS="${ax_save_CFLAGS}"
       LIBS="${ax_save_LIBS}"
 

m4/acinclude.m4

@@ -95,6 +95,15 @@ AC_DEFUN([AC_UNIX_STDIO_64],
 
   AC_MSG_CHECKING([for 64bit file io])
 
+  dnl Special case when using mingw cross compiler.
+  case "${host_os}" in
+    *mingw*)
+        with_unix_stdio_64=no
+        AC_DEFINE_UNQUOTED(VSI_STAT64,_stat64, [Define to name of 64bit stat function])
+        AC_DEFINE_UNQUOTED(VSI_STAT64_T,__stat64, [Define to name of 64bit stat structure])
+        ;;
+  esac
+
   if test x"$with_unix_stdio_64" = x"yes" ; then
     VSI_FTELL64=ftell64
     VSI_FSEEK64=fseek64

m4/ax_lib_xerces.m4

@@ -196,7 +196,8 @@ XMLPlatformUtils::Initialize();
             AC_SUBST([XERCES_LDFLAGS])
 
             HAVE_XERCES="yes"
-        else 
+        else
+            XERCES_CFLAGS=""
             HAVE_XERCES="no"
         fi
 

m4/geos.m4

@@ -137,6 +137,10 @@ AC_DEFUN([GEOS_INIT],[
         []
       )
 
+      if test x"$HAVE_GEOS" = "xno"; then
+          GEOS_CFLAGS=""
+      fi
+
       CFLAGS="${ax_save_CFLAGS}"
       LIBS="${ax_save_LIBS}"