diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 93 |
1 files changed, 1 insertions, 92 deletions
@@ -1,5 +1,5 @@ #! /bin/sh -# From configure.ac Id: configure.ac 27741 2015-09-10 10:38:47Z derobins . +# From configure.ac Id: configure.ac 27742 2015-09-10 10:59:56Z derobins . # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.69 for HDF5 1.8.16-snap16. # @@ -27470,97 +27470,6 @@ $as_echo "no" >&6; } fi ## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## '(unsigned) long long' to 'long double' values. (This flag should be set for -## all machines, except for Mac OS 10.4, when the bit sequences are 003fff..., -## 007fff..., 00ffff..., 01ffff..., ..., 7fffff..., the converted values are twice -## as big as they should be. -## -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if correctly converting (unsigned) long long to long double values" >&5 -$as_echo_n "checking if correctly converting (unsigned) long long to long double values... " >&6; } - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_llong_to_ldouble_correct=${hdf5_cv_llong_to_ldouble_correct=no} -else - if ${hdf5_cv_llong_to_ldouble_correct+:} false; then : - $as_echo_n "(cached) " >&6 -else - if test "$cross_compiling" = yes; then : - { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} -as_fn_error $? "cannot run test program while cross compiling -See \`config.log' for more details" "$LINENO" 5; } -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - - int main(void) - { - long double ld; - long long ll; - unsigned long long ull; - unsigned char s[16]; - int flag=0, ret=0; - - /*Determine if long double has 16 byte in size, 11 bit exponent, and - *the bias is 0x3ff */ - if(sizeof(long double) == 16) { - ld = 1.0L; - memcpy(s, &ld, 16); - if(s[0]==0x3f && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 && - s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00) - flag = 1; - } - - if(flag==1 && sizeof(long long)==8) { - ll = 0x01ffffffffffffffLL; - ld = (long double)ll; - memcpy(s, &ld, 16); - /*Check if the bit sequence is as supposed to be*/ - if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff || - s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff || - s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00) - ret = 1; - } - if(flag==1 && sizeof(unsigned long long)==8) { - ull = 0x01ffffffffffffffULL; - ld = (long double)ull; - memcpy(s, &ld, 16); - if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff || - s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff || - s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00) - ret = 1; - } - done: - exit(ret); - } - -_ACEOF -if ac_fn_c_try_run "$LINENO"; then : - hdf5_cv_llong_to_ldouble_correct=yes -else - hdf5_cv_llong_to_ldouble_correct=no -fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext -fi - -fi - -fi - -if test ${hdf5_cv_llong_to_ldouble_correct} = "yes"; then - -$as_echo "#define LLONG_TO_LDOUBLE_CORRECT 1" >>confdefs.h - - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 -$as_echo "yes" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - -## ---------------------------------------------------------------------- ## Set the flag to indicate that the machine generates bad code ## for the H5VM_log2_gen() routine in src/H5VMprivate.h ## (This flag should be set to no for all machines, except for SGI IRIX64, |