summaryrefslogtreecommitdiffstats
path: root/configure
diff options
context:
space:
mode:
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure110
1 files changed, 110 insertions, 0 deletions
diff --git a/configure b/configure
index c483a1e..f14f93b 100755
--- a/configure
+++ b/configure
@@ -50770,6 +50770,116 @@ echo "${ECHO_T}no" >&6; }
esac
+{ echo "$as_me:$LINENO: checking if alignment restrictions are strictly enforced" >&5
+echo $ECHO_N "checking if alignment restrictions are strictly enforced... $ECHO_C" >&6; }
+if test "$cross_compiling" = yes; then
+
+ { echo "$as_me:$LINENO: result: unknown, assuming yes" >&5
+echo "${ECHO_T}unknown, assuming yes" >&6; }
+
+else
+ cat >conftest.$ac_ext <<_ACEOF
+
+ /* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+ #include <stdlib.h>
+ #include <string.h>
+
+ typedef struct {
+ size_t len;
+ void *p;
+ } hvl_t;
+
+#ifdef FC_DUMMY_MAIN
+#ifndef FC_DUMMY_MAIN_EQ_F77
+# ifdef __cplusplus
+ extern "C"
+# endif
+ int FC_DUMMY_MAIN() { return 1; }
+#endif
+#endif
+int
+main ()
+{
+
+ char *chp = "beefs";
+ char **chpp = malloc (2 * sizeof (char *));
+ char **chpp2;
+ hvl_t vl = { 12345, (void *) chp };
+ hvl_t *vlp;
+ hvl_t *vlp2;
+
+ memcpy ((void *) ((char *) chpp + 1), &chp, sizeof (char *));
+ chpp2 = (char **) ((char *) chpp + 1);
+ if (strcmp (*chpp2, chp)) {
+ free (chpp);
+ return 1;
+ }
+ free (chpp);
+
+ vlp = malloc (2 * sizeof (hvl_t));
+ memcpy ((void *) ((char *) vlp + 1), &vl, sizeof (hvl_t));
+ vlp2 = (hvl_t *) ((char *) vlp + 1);
+ if (vlp2->len != vl.len || vlp2->p != vl.p) {
+ free (vlp);
+ return 1;
+ }
+ free (vlp);
+
+ ;
+ return 0;
+}
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+
+
+cat >>confdefs.h <<\_ACEOF
+#define NO_ALIGNMENT_RESTRICTIONS 1
+_ACEOF
+
+ { echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+
+ { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+
if test "X$HDF_CXX" = "Xyes"; then
BUILD_CXX_CONDITIONAL_TRUE=