Fix fseeko/ftello configuration

Modelica/Resources/C-Sources/ModelicaMatIO.c

@@ -81,18 +81,6 @@
 /* Extended sparse matrix data types */
 /* #undef EXTENDED_SPARSE */
 
-/* Define to 1 if you have the `fseeko' function. */
-#undef HAVE_FSEEKO
-
-/* Define to 1 if you have the `ftello' function. */
-#undef HAVE_FTELLO
-
-/* Define to 1 if you have the `fseeko64' function. */
-#undef HAVE_FSEEKO64
-
-/* Define to 1 if you have the `ftello64' function. */
-#undef HAVE_FTELLO64
-
 /* Define to 1 if you have the `_fseeki64' function. */
 #if defined(_MSC_VER) && _MSC_VER >= 1400
 #define HAVE__FSEEKI64 1
@@ -107,12 +95,6 @@
 #undef HAVE__FTELLI64
 #endif
 
-/* Define if 64-bit file address support in 32-bit OS. */
-#undef _FILE_OFFSET_BITS
-
-/* Define if 64-bit file address support in 32-bit OS. */
-#undef _LARGEFILE64_SOURCE
-
 /* Define to 1 if you have the <inttypes.h> header file. */
 #if defined(_WIN32)
 #if defined(_MSC_VER) && _MSC_VER >= 1800
@@ -291,8 +273,7 @@
 #define MATIO_LFS
 #define fseeko _fseeki64
 #define ftello _ftelli64
-#elif !defined(HAVE_FSEEKO) && !defined(HAVE_FTELLO) && defined(HAVE_FSEEKO64) && \
-    defined(HAVE_FTELLO64)
+#elif defined(HAVE_FSEEKO64) && defined(HAVE_FTELLO64)
 #define MATIO_LFS
 #define fseeko fseeko64
 #define ftello ftello64