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-rwxr-xr-xconfigure90
1 files changed, 89 insertions, 1 deletions
diff --git a/configure b/configure
index 91c41c7..708ff29 100755
--- a/configure
+++ b/configure
@@ -33808,7 +33808,7 @@ else
unsigned long long l2 = (unsigned long long)d1;
unsigned long long l3 = (unsigned long long)d2;
unsigned long long l4;
- unsigned long long l5 = 0x7fffffffffffffffLLU;
+ unsigned long long l5 = 0x7fffffffffffffffULL;
int ret = 0;
if(l1 <= l5 || l2 <= l5 || l3 <= l5)
@@ -33883,6 +33883,94 @@ else
echo "${ECHO_T}no" >&6
fi
+echo "$as_me:$LINENO: checking if converting unsigned long long to long double with precision work" >&5
+echo $ECHO_N "checking if converting unsigned long long to long double with precision work... $ECHO_C" >&6
+if test "${hdf5_cv_ullong_to_ldouble_precision_works+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$cross_compiling" = yes; then
+ { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling" >&5
+echo "$as_me: error: cannot run test program while cross compiling" >&2;}
+ { (exit 1); exit 1; }; }
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+
+ int main(void)
+ {
+ unsigned long long l = 0xa601e80bda85fcefULL;
+ long double ld;
+ unsigned char *c1, *c2;
+ int endian, size;
+ int tst_value = 1;
+ int i;
+ int ret = 0;
+
+ /* Determine this system's endianess */
+ c1 = (unsigned char*)calloc(1, sizeof(int));
+ memcpy(c1, &tst_value, sizeof(int));
+ if(c1[0]==1)
+ endian = 0; /* little endian */
+ else
+ endian = 1; /* big endian */
+
+ memset(&ld, 0, 12);
+ ld = (long double)l;
+
+ size = sizeof(long double);
+ c2 = (unsigned char*)malloc(size);
+ memcpy(c2, &ld, size);
+
+ /* Test if the last 2 bytes of mantissa are lost. Mainly for FreeBSD on Intel
+ * architecture(sleipnir) where it happens. */
+ if(endian==0 && c2[0]==0 && c2[1]==0) /*little endian*/
+ ret = 1;
+
+ free(c1);
+ free(c2);
+done:
+ exit(ret);
+ }
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ hdf5_cv_ullong_to_ldouble_precision_works=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+( exit $ac_status )
+hdf5_cv_ullong_to_ldouble_precision_works=no
+fi
+rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+
+
+if test ${hdf5_cv_ullong_to_ldouble_precision_works} = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define ULLONG_TO_LDOUBLE_PRECISION_WORKS 1
+_ACEOF
+
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
H5_VERSION="`cut -d' ' -f3 $srcdir/README.txt | head -1`"