This file is part of MXE. See LICENSE.md for licensing information.

Contains ad hoc patches for cross building.

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Thomas Danckaert <thomas.danckaert@gmail.com>
Date: Fri, 27 May 2016 17:39:23 +0200
Subject: [PATCH 1/1] fixes


diff --git a/configure.ac b/configure.ac
index 1111111..2222222 100644
--- a/configure.ac
+++ b/configure.ac
@@ -104,17 +104,7 @@ dnl Check if -Df2cFortran is specified
 dnl Running only the preprocessor may not be a good idea
 dnl because this can be hard-coded.
 AC_MSG_CHECKING([for fc2Fortran macro])
-AC_CACHE_VAL([he5_cv_f2cFortran_defined],
-    [AC_TRY_RUN([
-    int main(void)
-    {
-    #ifdef f2cFortran
-      return 0;
-    #else
-      return 1;
-    #endif
-    }
-    ], [he5_cv_f2cFortran_defined=yes], [he5_cv_f2cFortran_defined=no],)])
+AC_CACHE_VAL([he5_cv_f2cFortran_defined],[he5_cv_f2cFortran_defined=yes])
 if test ${he5_cv_f2cFortran_defined} = "yes"; then
   F2CFORTRAN_MACRO="yes"
   AC_MSG_RESULT([defined])
@@ -124,18 +114,7 @@ else
 fi
 
 if test ${he5_cv_f2cFortran_defined} = "yes"; then
-  AC_CHECK_SIZEOF([int*])
-  AC_CACHE_VAL([he5_cv_32ptr],
-      [AC_TRY_RUN([
-      int main(void)
-      {
-#ifdef SIZEOF_INTP
-	return SIZEOF_INTP == 4 ? 0 : 1;
-#else
-#error SIZEOF_INTP is not defined
-#endif
-      }
-      ], [he5_cv_32ptr=yes], [he5_cv_32ptr=no],)])
+  AC_CACHE_VAL([he5_cv_32ptr],[he5_cv_32ptr=no])
   if test ${he5_cv_32ptr} = "yes"; then
     AC_MSG_NOTICE([possibly 32 bit system])
     F2CFORTRAN_32PTR="yes"
@@ -417,20 +396,7 @@ fi
 
 # Check whether HDF5 threadsafety is enabled
 AC_MSG_CHECKING([if HDF5 threadsafe mode is enabled])
-AC_TRY_RUN([
-#include "hdf5.h"
-
-int main(void) {
-#ifdef H5_HAVE_THREADSAFE
-  return 0;
-#else
-  return 1;
-#endif
-} ], 
-  [ AC_MSG_RESULT([yes])
-    THREADSAFE="yes"],
-  [AC_MSG_RESULT([no])
-    THREADSAFE="no"])
+THREADSAFE=no
 
 # Record threadsafe status in config.h and for Makefiles
 if test "X$THREADSAFE" = "Xyes"; then
@@ -445,24 +411,7 @@ if test "x$HAVE_HDF5" = "xyes"; then
   dnl Check if HDF5 is linked with SZIP encoder
 
   AC_MSG_CHECKING([for hdf5 szip decoding filter])
-  AC_CACHE_VAL([he5_cv_hdf5_szip_can_decode],
-      [AC_TRY_RUN([
-      #include <H5Ipublic.h>
-      #include <H5Zpublic.h>
-      
-      int main(int argc, char **argv)
-      {
-              herr_t ret;
-              unsigned int flags = 0;
-              int decoder = 0;
-      
-              ret = H5Zget_filter_info(H5Z_FILTER_SZIP, &flags);
-	      if (ret < 0) exit(1);
-              decoder = flags & H5Z_FILTER_CONFIG_DECODE_ENABLED;
-              if (decoder) exit(0);
-              else exit(1);
-      }
-      ], [he5_cv_hdf5_szip_can_decode=yes], [he5_cv_hdf5_szip_can_decode=no],)])
+  AC_CACHE_VAL([he5_cv_hdf5_szip_can_decode],[he5_cv_hdf5_szip_can_decode=no])
   if test ${he5_cv_hdf5_szip_can_decode} = "yes"; then
     AC_DEFINE(HAVE_HDF5_SZIP_DECODER, 1,
 	    [Define if HDF5 has szip decoder filter])
@@ -474,24 +423,7 @@ if test "x$HAVE_HDF5" = "xyes"; then
   fi
 
   AC_MSG_CHECKING([for hdf5 szip encoding filter])
-  AC_CACHE_VAL([he5_cv_hdf5_szip_can_encode],
-      [AC_TRY_RUN([
-      #include <H5Ipublic.h>
-      #include <H5Zpublic.h>
-      
-      int main(int argc, char **argv)
-      {
-              herr_t ret;
-              unsigned int flags = 0;
-              int encoder = 0;
-      
-              ret = H5Zget_filter_info(H5Z_FILTER_SZIP, &flags);
-	      if (ret < 0) exit(1);
-              encoder = flags & H5Z_FILTER_CONFIG_ENCODE_ENABLED;
-              if (encoder) exit(0);
-              else exit(1);
-      }
-      ], [he5_cv_hdf5_szip_can_encode=yes], [he5_cv_hdf5_szip_can_encode=no],)])
+  AC_CACHE_VAL([he5_cv_hdf5_szip_can_encode],[he5_cv_hdf5_szip_can_encode=no])
 
   if test ${he5_cv_hdf5_szip_can_encode} = "yes"; then
     AC_DEFINE(HAVE_HDF5_SZIP_ENCODER, 1,