This file is part of MXE. See LICENSE.md for licensing information.
--- a/configure.ac 2012-12-03 08:59:14.540462389 +0100
+++ b/configure.ac 2012-12-03 09:14:00.188485595 +0100
@@ -586,70 +586,6 @@
## Change to the C++ language
AC_LANG_PUSH(C++)
- AC_MSG_CHECKING([if $CXX needs old style header files in includes])
- AC_TRY_RUN([
-#include <iostream>
-
-int main(void) { return 0; }
- ], [
- echo no
- ], [
- echo yes
- CXXFLAGS="${CXXFLAGS} -DOLD_HEADER_FILENAME"
- AM_CXXFLAGS="${AM_CXXFLAGS} -DOLD_HEADER_FILENAME"
- ])
-
- AC_MSG_CHECKING([if $CXX can handle namespaces])
- AC_TRY_RUN([
-namespace H5 {
-int fnord;
-}
-
-int main(void) {
- using namespace H5;
- fnord = 37;
- return 0;
-}
- ], [
- echo yes
- ], [
- echo no
- CXXFLAGS="${CXXFLAGS} -DH5_NO_NAMESPACE"
- AM_CXXFLAGS="${AM_CXXFLAGS} -DH5_NO_NAMESPACE"
- ])
-
- AC_MSG_CHECKING([if $CXX supports std])
- AC_TRY_RUN([
-#include <string>
-
-using namespace std;
-
-int main(void) {
- string myString("testing namespace std");
- return 0;
-}
- ], [
- echo yes
- ], [
- echo no
- CXXFLAGS="${CXXFLAGS} -DH5_NO_STD"
- AM_CXXFLAGS="${AM_CXXFLAGS} -DH5_NO_STD"
- ])
-
- AC_MSG_CHECKING([if $CXX supports bool types])
- AC_TRY_RUN([
-int main(void) {
- bool flag;
- return 0;
-}
- ], [
- echo yes
- ], [
- echo no
- CXXFLAGS="${CXXFLAGS} -DBOOL_NOTDEFINED"
- AM_CXXFLAGS="${AM_CXXFLAGS} -DBOOL_NOTDEFINED"
- ])
-
AC_MSG_CHECKING([if $CXX has offsetof extension])
AC_TRY_COMPILE([
#include <stdio.h>
@@ -671,22 +607,6 @@
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no]))
- AC_MSG_CHECKING([if $CXX can handle static cast])
- AC_TRY_RUN([
-int main(void) {
- float test_float;
- int test_int;
- test_float = 37.0;
- test_int = static_cast <int> (test_float);
- return 0;
-}
- ], [
- echo yes
- ], [
- echo no
- CXXFLAGS="${CXXFLAGS} -DNO_STATIC_CAST"
- AM_CXXFLAGS="${AM_CXXFLAGS} -DNO_STATIC_CAST"
- ])
else
echo "no"
CXX="no"
@@ -1424,24 +1344,7 @@
## Now actually test to see if we can create large files after we've
## checked for any needed defines.
AC_MSG_CHECKING([if large (64-bit) files are supported on this system.])
- AC_CACHE_VAL([hdf5_cv_have_lfs],
- [AC_TRY_RUN([
- #include <stdio.h>
- #include <unistd.h>
- #include <stdlib.h>
- #include <fcntl.h>
- #define BIG_FILE (off_t)0x80000000UL
- int main(void) {
- int fd;
- if ((fd=open("test.conf", O_RDWR|O_TRUNC|O_CREAT, 0666)) < 0) exit(1);
- if (lseek(fd, BIG_FILE, SEEK_SET)!=BIG_FILE) exit(1);
- if (5!=write(fd, "hello", (size_t)5)) exit(1);
- if (lseek(fd, 2*BIG_FILE, SEEK_SET) != 2*BIG_FILE) exit(1);
- if (5!=write(fd, "hello", (size_t)5)) exit(1);
- if (unlink("test.conf") < 0) exit(1);
- exit(0);
- }
- ],[hdf5_cv_have_lfs=yes],[hdf5_cv_have_lfs=no],)])
+ AC_CACHE_VAL([hdf5_cv_have_lfs], [hdf5_cv_have_lfs=yes])
if test "X${hdf5_cv_have_lfs}" = "Xyes"; then
AC_MSG_RESULT([yes])
@@ -2119,24 +2022,7 @@
if test "$have_gettime" = "yes" -a "$have_struct_tz" = "yes"; then
AC_MSG_CHECKING(whether gettimeofday() gives timezone)
- AC_CACHE_VAL([hdf5_cv_gettimeofday_tz],
- [AC_TRY_RUN([
- #include <time.h>
- #include <sys/time.h>
- int main(void)
- {
- struct timeval tv;
- struct timezone tz;
- tz.tz_minuteswest = 7777; /* Initialize to an unreasonable number */
- tz.tz_dsttime = 7;
- gettimeofday(&tv, &tz);
- /* Check whether the function returned any value at all */
- if(tz.tz_minuteswest == 7777 && tz.tz_dsttime == 7)
- exit(1);
- else exit (0);
- }],
- [hdf5_cv_gettimeofday_tz=yes],
- [hdf5_cv_gettimeofday_tz=no])])
+ AC_CACHE_VAL([hdf5_cv_gettimeofday_tz], [hdf5_cv_gettimeofday_tz=no])
if test ${hdf5_cv_gettimeofday_tz} = "yes"; then
AC_MSG_RESULT([yes])
@@ -2221,30 +2107,7 @@
## return (-1)
AC_MSG_CHECKING([if vsnprintf returns correct value])
- AC_CACHE_VAL([hdf5_cv_vsnprintf_works],
- AC_TRY_RUN([
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-
-int test_vsnprintf(const char *fmt,...)
-{
- va_list ap;
- char *s = malloc(16);
- int ret;
-
- va_start(ap, fmt);
- ret=vsnprintf(s,16,"%s",ap);
- va_end(ap);
-
- return(ret!=42 ? 1 : 0);
-}
-
-int main(void)
-{
- exit(test_vsnprintf("%s","A string that is longer than 16 characters"));
-}
- ],[hdf5_cv_vsnprintf_works=yes],[hdf5_cv_vsnprintf_works=no],))
+ AC_CACHE_VAL([hdf5_cv_vsnprintf_works], [hdf5_cv_vsnprintf_works=yes])
if test ${hdf5_cv_vsnprintf_works} = "yes"; then
AC_MSG_RESULT([yes])
@@ -2330,26 +2193,7 @@
## LD_LIBRARY_PATH along with LDFLAGS or do it with the AC_TRY_RUN macro.
##
AC_MSG_CHECKING([how to print long long])
-AC_CACHE_VAL([hdf5_cv_printf_ll], [
-LD_LIBRARY_PATH="$LD_LIBRARY_PATH`echo $AM_LDFLAGS $LDFLAGS | sed -e 's/-L/:/g' -e 's/ //g'`"
-export LD_LIBRARY_PATH
-
-for hdf5_cv_printf_ll in l ll L q unknown; do
- AC_TRY_RUN([
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-
- int main(void)
- {
- char *s = malloc(128);
- long long x = (long long)1048576 * (long long)1048576;
- sprintf(s,"%${hdf5_cv_printf_ll}d",x);
- exit(strcmp(s,"1099511627776"));
- }
- ], [break],,[continue])
-done])
-
+AC_CACHE_VAL([hdf5_cv_printf_ll], [hdf5_cv_printf_ll=I64])
AC_MSG_RESULT([%${hdf5_cv_printf_ll}d and %${hdf5_cv_printf_ll}u])
AC_DEFINE_UNQUOTED([PRINTF_LL_WIDTH], ["$hdf5_cv_printf_ll"],
[Width for printf() for type `long long' or `__int64', use `ll'])
@@ -2359,24 +2203,7 @@
## is supported on this system
##
AC_MSG_CHECKING([Threads support system scope])
-AC_CACHE_VAL([hdf5_cv_system_scope_threads],
- [AC_TRY_RUN([
- #if STDC_HEADERS
- #include <stdlib.h>
- #include <pthread.h>
- #endif
-
- int main(void)
- {
- pthread_attr_t attribute;
- int ret;
-
- pthread_attr_init(&attribute);
- ret=pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM);
- exit(ret==0 ? 0 : 1);
- }
- ], [hdf5_cv_system_scope_threads=yes], [hdf5_cv_system_scope_threads=no],)])
-
+AC_CACHE_VAL([hdf5_cv_system_scope_threads], [hdf5_cv_system_scope_threads=yes])
if test ${hdf5_cv_system_scope_threads} = "yes"; then
AC_DEFINE([SYSTEM_SCOPE_THREADS], [1],
[Define if your system supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) call.])
@@ -3236,30 +3063,7 @@
if test ${ac_cv_sizeof_long_double} = 0; then
hdf5_cv_ldouble_to_integer_works=${hdf5_cv_ldouble_to_integer_works=no}
else
- AC_CACHE_VAL([hdf5_cv_ldouble_to_integer_works],
- [AC_TRY_RUN([
- int main(void)
- {
- void *align;
- long double ld= 9701917572145405952.00L;
- unsigned char v1;
- short v2;
- unsigned int v3;
- int ret = 0;
-
- align = (void*)malloc(sizeof(long double));
- memcpy(align, &ld, sizeof(long double));
-
- /*For HU-UX11.00, there's floating exception(core dump) when doing some of casting
- *from 'long double' to integers*/
- v1=(unsigned char)(*((long double*)align));
- v2=(short)(*((long double*)align));
- v3=(unsigned int)(*((long double*)align));
-
- done:
- exit(ret);
- }
- ], [hdf5_cv_ldouble_to_integer_works=yes], [hdf5_cv_ldouble_to_integer_works=no],)])
+ AC_CACHE_VAL([hdf5_cv_ldouble_to_integer_works], [hdf5_cv_ldouble_to_integer_works=yes])
fi
if test ${hdf5_cv_ldouble_to_integer_works} = "yes"; then
@@ -3303,36 +3107,7 @@
##
AC_MSG_CHECKING([if accurately converting unsigned long to float values])
-AC_CACHE_VAL([hdf5_cv_ulong_to_float_accurate],
- [AC_TRY_RUN([
- int main(void)
- {
- int ret = 0;
- unsigned long l1;
- unsigned long l2;
- unsigned long l3;
- float f1;
- float f2;
- float f3;
-
-
- if(sizeof(unsigned long)==8) {
- l1 = 0xffffffffffffffffUL;
- l2 = 0xffffffffffff0000UL;
- l3 = 0xf000000000000000UL;
-
- f1 = (float)l1;
- f2 = (float)l2;
- f3 = (float)l3;
-
- if((f1 < 0) || (f2 < 0) || (f3 < 0))
- ret = 1;
- }
-
-done:
- exit(ret);
- }
- ], [hdf5_cv_ulong_to_float_accurate=yes], [hdf5_cv_ulong_to_float_accurate=no],)])
+AC_CACHE_VAL([hdf5_cv_ulong_to_float_accurate], [hdf5_cv_ulong_to_float_accurate=yes])
if test ${hdf5_cv_ulong_to_float_accurate} = "yes"; then
AC_DEFINE([ULONG_TO_FLOAT_ACCURATE], [1],
@@ -3353,71 +3128,7 @@
##
AC_MSG_CHECKING([if accurately converting unsigned long long to floating-point values])
-if test ${host_os_novers} = "solaris2.x"; then
- AC_CACHE_VAL([hdf5_cv_ulong_to_fp_bottom_bit_accurate],
- [AC_TRY_RUN([
- int main(void)
- {
- unsigned long l1;
- unsigned long l2;
- unsigned long l3;
- unsigned long l4;
- unsigned long long ld1;
- unsigned long long ld2;
- unsigned long long ld3;
- unsigned long long ld4;
- double d1, d2, d3, d4;
- unsigned char s[8];
- int ret = 0;
-
- if(sizeof(unsigned long)==8) {
- l1 = 0xf000000000000b00UL; /*Round-down case*/
- l2 = 0xf000000000000401UL; /*Round-up case*/
- l3 = 0xf000000000000400UL; /*Round-down case*/
- l4 = 0xf000000000000c00UL; /*Round-up case*/
-
- d1 = (double)l1;
- d2 = (double)l2;
- d3 = (double)l3;
- d4 = (double)l4;
- } else if(sizeof(unsigned long long)==8) {
- ld1 = 0xf000000000000b00ULL; /*Round-down case*/
- ld2 = 0xf000000000000401ULL; /*Round-up case*/
- ld3 = 0xf000000000000400ULL; /*Round-down case*/
- ld4 = 0xf000000000000c00ULL; /*Round-up case*/
-
- d1 = (double)ld1;
- d2 = (double)ld2;
- d3 = (double)ld3;
- d4 = (double)ld4;
- } else {
- ret = 1;
- goto done;
- }
-
- memcpy(s, &d1, 8);
- if(s[7]!=1)
- ret = 1;
-
- memcpy(s, &d2, 8);
- if(s[7]!=1)
- ret = 1;
-
- memcpy(s, &d3, 8);
- if(s[7]!=0)
- ret = 1;
-
- memcpy(s, &d4, 8);
- if(s[7]!=2)
- ret = 1;
-
-done:
- exit(ret);
- }
- ], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=yes], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=no],)])
-else
- AC_CACHE_VAL([hdf5_cv_ulong_to_fp_bottom_bit_accurate], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=yes])
-fi
+AC_CACHE_VAL([hdf5_cv_ulong_to_fp_bottom_bit_accurate], [hdf5_cv_ulong_to_fp_bottom_bit_accurate=yes])
if test ${hdf5_cv_ulong_to_fp_bottom_bit_accurate} = "yes"; then
AC_DEFINE([ULONG_TO_FP_BOTTOM_BIT_ACCURATE], [1],
@@ -3436,25 +3147,7 @@
##
AC_MSG_CHECKING([if accurately roundup converting floating-point to unsigned long long values])
-AC_CACHE_VAL([hdf5_cv_fp_to_ullong_accurate],
- [AC_TRY_RUN([
- int main(void)
- {
- float f = 111.60f;
- double d = 222.55L;
- unsigned long long l1 = (unsigned long long)f;
- unsigned long long l2 = (unsigned long long)d;
- int ret = 0;
-
- if(l1 == 112)
- ret = 1;
- if(l2 == 223)
- ret = 1;
-
-done:
- exit(ret);
- }
- ], [hdf5_cv_fp_to_ullong_accurate=yes], [hdf5_cv_fp_to_ullong_accurate=no],)])
+AC_CACHE_VAL([hdf5_cv_fp_to_ullong_accurate], [hdf5_cv_fp_to_ullong_accurate=yes])
if test ${hdf5_cv_fp_to_ullong_accurate} = "yes"; then
AC_DEFINE([FP_TO_ULLONG_ACCURATE], [1],
@@ -3473,32 +3166,7 @@
##
AC_MSG_CHECKING([if right maximum converting floating-point to unsigned long long values])
-AC_CACHE_VAL([hdf5_cv_fp_to_ullong_right_maximum],
- [AC_TRY_RUN([
- int main(void)
- {
- float f = 9701917572145405952.00f;
- double d1 = 9701917572145405952.00L;
- long double d2 = 9701917572145405952.00L;
- double d3 = 2e40L;
- unsigned long long l1 = (unsigned long long)f;
- unsigned long long l2 = (unsigned long long)d1;
- unsigned long long l3 = (unsigned long long)d2;
- unsigned long long l4;
- unsigned long long l5 = 0x7fffffffffffffffULL;
- int ret = 0;
-
- if(l1 <= l5 || l2 <= l5 || l3 <= l5)
- ret = 1;
-
- l4 = (unsigned long long)d3;
- if(l4 <= l5)
- ret = 1;
-
-done:
- exit(ret);
- }
- ], [hdf5_cv_fp_to_ullong_right_maximum=yes], [hdf5_cv_fp_to_ullong_right_maximum=no],)])
+AC_CACHE_VAL([hdf5_cv_fp_to_ullong_right_maximum], [hdf5_cv_fp_to_ullong_right_maximum=yes])
if test ${hdf5_cv_fp_to_ullong_right_maximum} = "yes"; then
AC_DEFINE([FP_TO_ULLONG_RIGHT_MAXIMUM], [1],
@@ -3518,22 +3186,7 @@
if test ${ac_cv_sizeof_long_double} = 0; then
hdf5_cv_ldouble_to_uint_accurate=${hdf5_cv_ldouble_to_uint_accurate=no}
else
- AC_CACHE_VAL([hdf5_cv_ldouble_to_uint_accurate],
- [AC_TRY_RUN([
- int main(void)
- {
- long double ld = 2733248032.9183987530L;
- unsigned int i;
- int ret = 0;
-
- i = (unsigned int)ld;
- if(i!=2733248032 && i!=2733248031 && i!=2733248033)
- ret = 1;
-
- done:
- exit(ret);
- }
- ], [hdf5_cv_ldouble_to_uint_accurate=yes], [hdf5_cv_ldouble_to_uint_accurate=no],)])
+ AC_CACHE_VAL([hdf5_cv_ldouble_to_uint_accurate], [hdf5_cv_ldouble_to_uint_accurate=yes])
fi
if test ${hdf5_cv_ldouble_to_uint_accurate} = "yes"; then
@@ -3592,82 +3245,7 @@
if test ${ac_cv_sizeof_long_double} = 0; then
hdf5_cv_ullong_to_ldouble_precision=${hdf5_cv_ullong_to_ldouble_precision=no}
else
- AC_CACHE_VAL([hdf5_cv_ullong_to_ldouble_precision],
- [AC_TRY_RUN([
- #include <stdlib.h>
- #include <string.h>
-
- int main(void)
- {
- /* General variables */
- int endian;
- int tst_value = 1;
- int ret = 0;
-
- /* For FreeBSD */
- unsigned long long l = 0xa601e80bda85fcefULL;
- long double ld;
- unsigned char *c1, *c2;
- size_t size;
-
- /* For Cygwin */
- unsigned long long l_cyg = 0xfffffffffffffff0ULL;
- long double ld_cyg;
- unsigned char *c2_cyg;
- size_t size_cyg;
-
-
- /* Determine this system's endianess */
- c1 = (unsigned char*)calloc(1, sizeof(int));
- memcpy((void*)c1, &tst_value, sizeof(int));
- if(c1[0]==1)
- endian = 0; /* little endian */
- else
- endian = 1; /* big endian */
-
- /* For FreeBSD */
- size = sizeof(long double);
- memset(&ld, 0, size);
- ld = (long double)l;
-
- c2 = (unsigned char*)calloc(1, size);
- memcpy((void*)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*/
- if(endian==0 && c2[0]==0) { /*little endian*/
- ret = 1;
- goto done;
- }
-
- /* For Cygwin */
- size_cyg = sizeof(long double);
- memset(&ld_cyg, 0, size);
- ld_cyg = (long double)l_cyg;
-
- c2_cyg = (unsigned char*)calloc(1, size_cyg);
- memcpy((void*)c2_cyg, &ld_cyg, size_cyg);
-
- /* Test if the last 4 bytes(roughly) of mantissa are rounded up. Mainly for Cygwin
- * where the values like 0xffffffffffffffff, 0xfffffffffffffffe, ...,
- * 0xfffffffffffff000 ... are rounded up as 0x0000403f8000000000000000
- * instead of 0x0000403effffffffffffffff, 0x0000403efffffffffffffffe, ...,
- * 0x0000403efffffffffffff000 ...
- */
- if(endian==0 && c2_cyg[0]==0 && c2_cyg[1]==0 && c2_cyg[2]==0 && c2_cyg[3]==0)
- ret = 1;
-
- done:
- if(c1)
- free(c1);
- if(c2)
- free(c2);
- if(c2_cyg)
- free(c2_cyg);
- exit(ret);
- }
- ], [hdf5_cv_ullong_to_ldouble_precision=yes], [hdf5_cv_ullong_to_ldouble_precision=no],)])
+ AC_CACHE_VAL([hdf5_cv_ullong_to_ldouble_precision], [hdf5_cv_ullong_to_ldouble_precision=yes])
fi
if test ${hdf5_cv_ullong_to_ldouble_precision} = "yes"; then
@@ -3687,19 +3265,7 @@
##
AC_MSG_CHECKING([if overflows normally converting floating-point to integer values])
-AC_CACHE_VAL([hdf5_cv_fp_to_integer_overflow_works],
- [AC_TRY_RUN([
- int main(void)
- {
- float f = 2147483648.0f;
- int i;
-
- i = (int)f;
-
-done:
- exit(0);
- }
- ], [hdf5_cv_fp_to_integer_overflow_works=yes], [hdf5_cv_fp_to_integer_overflow_works=no],)])
+AC_CACHE_VAL([hdf5_cv_fp_to_integer_overflow_works], [hdf5_cv_fp_to_integer_overflow_works=yes])
if test ${hdf5_cv_fp_to_integer_overflow_works} = "yes"; then
AC_DEFINE([FP_TO_INTEGER_OVERFLOW_WORKS], [1],
@@ -3723,62 +3289,7 @@
if test ${ac_cv_sizeof_long_double} = 0; then
hdf5_cv_ldouble_to_long_special=${hdf5_cv_ldouble_to_long_special=no}
else
- AC_CACHE_VAL([hdf5_cv_ldouble_to_long_special],
- [AC_TRY_RUN([
- int main(void)
- {
- long double ld = 20041683600089727.779961L;
- long ll;
- unsigned long ull;
- unsigned char s[16];
- unsigned char s2[8];
- int ret = 1;
-
- if(sizeof(long double) == 16 && sizeof(long) == 8) {
- /*make sure the long double type has 16 bytes in size and
- * 11 bits of exponent. If it is,
- *the bit sequence should be like below. It's not
- *a decent way to check but this info isn't available. */
- memcpy(s, &ld, 16);
- if(s[0]==0x43 && s[1]==0x51 && s[2]==0xcc && s[3]==0xf3 &&
- s[4]==0x85 && s[5]==0xeb && s[6]==0xc8 && s[7]==0xa0 &&
- s[8]==0xbf && s[9]==0xcc && s[10]==0x2a && s[11]==0x3c) {
-
- /* Assign the hexadecimal value of long double type. */
- s[0]=0x43; s[1]=0x51; s[2]=0xcc; s[3]=0xf3;
- s[4]=0x85; s[5]=0xeb; s[6]=0xc8; s[7]=0xa0;
- s[8]=0xbf; s[9]=0xcc; s[10]=0x2a; s[11]=0x3c;
- s[12]=0x3d; s[13]=0x85; s[14]=0x56; s[15]=0x20;
-
- memcpy(&ld, s, 16);
-
- ll = (long)ld;
- memcpy(s2, &ll, 8);
-
- /* The library's algorithm converts it to 0x 00 47 33 ce 17 af 22 82
- * and gets wrong value 20041683600089730 on the IBM Power6 Linux.
- * But the IBM Power6 Linux converts it to 0x00 47 33 ce 17 af 22 7f
- * and gets the correct value 20041683600089727. It uses some special
- * algorithm. We're going to define the macro and skip the test until
- * we can figure out how they do it. */
- if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce &&
- s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f)
- ret = 0;
-
- ull = (unsigned long)ld;
- memcpy(s2, &ull, 8);
-
- /* The unsigned long is the same as signed long. */
- if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce &&
- s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f)
- ret = 0;
- }
- }
-
- done:
- exit(ret);
- }
- ], [hdf5_cv_ldouble_to_long_special=yes], [hdf5_cv_ldouble_to_long_special=no],)])
+ AC_CACHE_VAL([hdf5_cv_ldouble_to_long_special], [hdf5_cv_ldouble_to_long_special=no])
fi
if test ${hdf5_cv_ldouble_to_long_special} = "yes"; then
@@ -3802,64 +3313,7 @@
if test ${ac_cv_sizeof_long_double} = 0; then
hdf5_cv_long_to_ldouble_special=${hdf5_cv_long_to_ldouble_special=no}
else
- AC_CACHE_VAL([hdf5_cv_long_to_ldouble_special],
- [AC_TRY_RUN([
- int main(void)
- {
- long double ld;
- long ll;
- unsigned long ull;
- unsigned char s[16];
- int flag=0, ret=1;
-
- /*Determine if long double has 16 byte in size, 11 bit exponent, and
- *the bias is 0x3ff */
- if(sizeof(long double) == 16) {
- ld = 1.0L;
- memcpy(s, &ld, 16);
- if(s[0]==0x3f && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 &&
- s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00)
- flag = 1;
- }
-
- if(flag==1 && sizeof(long)==8) {
- ll = 0x003fffffffffffffL;
- ld = (long double)ll;
- memcpy(s, &ld, 16);
- /* The library converts the value to 0x434fffffffffffff8000000000000000.
- * In decimal it is 18014398509481982.000000, one value short of the original.
- * The IBM Power6 Linux converts it to 0x4350000000000000bff0000000000000.
- * The value is correct in decimal. It uses some special
- * algorithm. We're going to define the macro and skip the test until
- * we can figure out how they do it. */
- if(s[0]==0x43 && s[1]==0x50 && s[2]==0x00 && s[3]==0x00 &&
- s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 &&
- s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 &&
- s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00)
- ret = 0;
- }
- if(flag==1 && sizeof(unsigned long)==8) {
- ull = 0xffffffffffffffffUL;
- ld = (long double)ull;
- memcpy(s, &ld, 16);
- /* Use a different value from signed long to test. The problem is the same
- * for both long and unsigned long. The value is 18446744073709551615.
- * The library converts the value to 0x43effffffffffffffe000000000000000.
- * In decimal it's 18446744073709548544.000000, very different from the original.
- * The IBM Power6 Linux converts it to 0x43f0000000000000bff0000000000000.
- * The value is correct in decimal. It uses some special
- * algorithm. We're going to define the macro and skip the test until
- * we can figure out how they do it. */
- if(s[0]==0x43 && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 &&
- s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 &&
- s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 &&
- s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00)
- ret = 0;
- }
- done:
- exit(ret);
- }
- ], [hdf5_cv_long_to_ldouble_special=yes], [hdf5_cv_long_to_ldouble_special=no],)])
+ AC_CACHE_VAL([hdf5_cv_long_to_ldouble_special], [hdf5_cv_long_to_ldouble_special=no])
fi
if test ${hdf5_cv_long_to_ldouble_special} = "yes"; then
@@ -3884,45 +3338,7 @@
if test ${ac_cv_sizeof_long_double} = 0; then
hdf5_cv_ldouble_to_llong_accurate=${hdf5_cv_ldouble_to_llong_accurate=no}
else
- AC_CACHE_VAL([hdf5_cv_ldouble_to_llong_accurate],
- [AC_TRY_RUN([
- int main(void)
- {
- long double ld = 20041683600089727.779961L;
- long long ll;
- unsigned long long ull;
- unsigned char s[16];
- int ret = 0;
-
- if(sizeof(long double) == 16) {
- /*make sure the long double type is the same as the failing type
- *which has 16 bytes in size and 11 bits of exponent. If it is,
- *the bit sequence should be like below. It's not
- *a decent way to check but this info isn't available. */
- memcpy(s, &ld, 16);
- if(s[0]==0x43 && s[1]==0x51 && s[2]==0xcc && s[3]==0xf3 &&
- s[4]==0x85 && s[5]==0xeb && s[6]==0xc8 && s[7]==0xa0 &&
- s[8]==0xbf && s[9]==0xcc && s[10]==0x2a && s[11]==0x3c) {
-
- /*slightly adjust the bit sequence (s[8]=0xdf). The converted
- *values will go wild on Mac OS 10.4 and IRIX64 6.5.*/
- s[0]=0x43; s[1]=0x51; s[2]=0xcc; s[3]=0xf3;
- s[4]=0x85; s[5]=0xeb; s[6]=0xc8; s[7]=0xa0;
- s[8]=0xdf; s[9]=0xcc; s[10]=0x2a; s[11]=0x3c;
- s[12]=0x3d; s[13]=0x85; s[14]=0x56; s[15]=0x20;
-
- memcpy(&ld, s, 16);
- ll = (long long)ld;
- ull = (unsigned long long)ld;
-
- if(ll != 20041683600089728 || ull != 20041683600089728)
- ret = 1;
- }
- }
- done:
- exit(ret);
- }
- ], [hdf5_cv_ldouble_to_llong_accurate=yes], [hdf5_cv_ldouble_to_llong_accurate=no],)])
+ AC_CACHE_VAL([hdf5_cv_ldouble_to_llong_accurate], [hdf5_cv_ldouble_to_llong_accurate=yes])
fi
if test ${hdf5_cv_ldouble_to_llong_accurate} = "yes"; then
@@ -3946,49 +3362,7 @@
if test ${ac_cv_sizeof_long_double} = 0; then
hdf5_cv_llong_to_ldouble_correct=${hdf5_cv_llong_to_ldouble_correct=no}
else
- AC_CACHE_VAL([hdf5_cv_llong_to_ldouble_correct],
- [AC_TRY_RUN([
- int main(void)
- {
- long double ld;
- long long ll;
- unsigned long long ull;
- unsigned char s[16];
- int flag=0, ret=0;
-
- /*Determine if long double has 16 byte in size, 11 bit exponent, and
- *the bias is 0x3ff */
- if(sizeof(long double) == 16) {
- ld = 1.0L;
- memcpy(s, &ld, 16);
- if(s[0]==0x3f && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 &&
- s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00)
- flag = 1;
- }
-
- if(flag==1 && sizeof(long long)==8) {
- ll = 0x01ffffffffffffffLL;
- ld = (long double)ll;
- memcpy(s, &ld, 16);
- /*Check if the bit sequence is as supposed to be*/
- if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff ||
- s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff ||
- s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00)
- ret = 1;
- }
- if(flag==1 && sizeof(unsigned long long)==8) {
- ull = 0x01ffffffffffffffULL;
- ld = (long double)ull;
- memcpy(s, &ld, 16);
- if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff ||
- s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff ||
- s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00)
- ret = 1;
- }
- done:
- exit(ret);
- }
- ], [hdf5_cv_llong_to_ldouble_correct=yes], [hdf5_cv_llong_to_ldouble_correct=no],)])
+ AC_CACHE_VAL([hdf5_cv_llong_to_ldouble_correct], [hdf5_cv_llong_to_ldouble_correct=yes])
fi
if test ${hdf5_cv_llong_to_ldouble_correct} = "yes"; then