#
#
# patch "m4/sqlite.m4"
#  from [6ee5373ed7c982b10ef8918bbda9da38c5ed4ad1]
#    to [bcd8e50df9bfa103226129f5ee0f517826809bae]
#
============================================================
--- m4/sqlite.m4	6ee5373ed7c982b10ef8918bbda9da38c5ed4ad1
+++ m4/sqlite.m4	bcd8e50df9bfa103226129f5ee0f517826809bae
@@ -1,12 +1,21 @@
-# checks only done because the bundled sqlite needs them.
+dnl checks only done because the bundled sqlite needs them.
 AC_DEFUN([MTN_SQLITE_DEPENDENCIES],
-[AC_SEARCH_LIBS([fdatasync], [rt], AC_DEFINE(HAVE_FDATASYNC))
-AH_TEMPLATE([HAVE_FDATASYNC], [For SQLite; use fdatasync if available])
-AC_SEARCH_LIBS([usleep], [rt], AC_DEFINE(HAVE_USLEEP))
-AH_TEMPLATE([HAVE_USLEEP], [For SQLite; use usleep if available])
+[SQLITE_CPPFLAGS=
 
-# Now let the user specify whether he wants large file support or not in
-# sqlite.
+# sqlite does not read our config.h so we have to shove all this on the
+# command line.
+
+AC_SEARCH_LIBS([fdatasync], [rt],
+ [SQLITE_CPPFLAGS="$SQLITE_CPPFLAGS -DHAVE_FDATASYNC=1"])
+
+AC_SEARCH_LIBS([usleep], [rt],
+ [SQLITE_CPPFLAGS="$SQLITE_CPPFLAGS -DHAVE_USLEEP=1"])
+
+AC_CHECK_FUNC([pread],
+  [AC_CHECK_FUNC([pwrite],
+    [SQLITE_CPPFLAGS="$SQLITE_CPPFLAGS -DUSE_PREAD=1"])])
+
+# Let the user specify whether he wants large file support or not in sqlite.
 AC_ARG_ENABLE([large-file],
    AS_HELP_STRING(
       [--disable-large-file],
@@ -17,5 +26,6 @@ fi
 if test "x$enable_large_file" = "xno"; then
    SQLITE_CPPFLAGS="$SQLITE_CPPFLAGS -DSQLITE_DISABLE_LFS"
 fi
+
 AC_SUBST(SQLITE_CPPFLAGS)
 ])