This file is part of MXE. See index.html for further 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 $CXX needs old style header files in includes]) - AC_TRY_RUN([ -#include - -int main(void) { return 0; } - ], [ - echo no - ], [ - echo yes - CXXFLAGS="${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 $CXX supports std]) - AC_TRY_RUN([ -#include - -using namespace std; - -int main(void) { - string myString("testing namespace std"); - return 0; -} - ], [ - echo yes - ], [ - echo no - CXXFLAGS="${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 @@ -671,22 +607,6 @@ AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) - AC_MSG_CHECKING([if $CXX can handle static cast]) - AC_TRY_RUN([ -int main(void) { - float test_float; - int test_int; - test_float = 37.0; - test_int = static_cast (test_float); - return 0; -} - ], [ - echo yes - ], [ - echo no - CXXFLAGS="${CXXFLAGS} -DNO_STATIC_CAST" - AM_CXXFLAGS="${AM_CXXFLAGS} -DNO_STATIC_CAST" - ]) else echo "no" CXX="no" @@ -1424,24 +1344,7 @@ ## Now actually test to see if we can create large files after we've ## checked for any needed defines. AC_MSG_CHECKING([if large (64-bit) files are supported on this system.]) - AC_CACHE_VAL([hdf5_cv_have_lfs], - [AC_TRY_RUN([ - #include - #include - #include - #include - #define BIG_FILE (off_t)0x80000000UL - int main(void) { - int fd; - if ((fd=open("test.conf", O_RDWR|O_TRUNC|O_CREAT, 0666)) < 0) exit(1); - if (lseek(fd, BIG_FILE, SEEK_SET)!=BIG_FILE) exit(1); - if (5!=write(fd, "hello", (size_t)5)) exit(1); - if (lseek(fd, 2*BIG_FILE, SEEK_SET) != 2*BIG_FILE) exit(1); - if (5!=write(fd, "hello", (size_t)5)) exit(1); - if (unlink("test.conf") < 0) exit(1); - exit(0); - } - ],[hdf5_cv_have_lfs=yes],[hdf5_cv_have_lfs=no],)]) + AC_CACHE_VAL([hdf5_cv_have_lfs], [hdf5_cv_have_lfs=yes]) if test "X${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 - #include - 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 -#include -#include - -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 $LDFLAGS | sed -e 's/-L/:/g' -e 's/ //g'`" -export LD_LIBRARY_PATH - -for hdf5_cv_printf_ll in l ll L q unknown; do - AC_TRY_RUN([ - #include - #include - #include - - int main(void) - { - char *s = malloc(128); - long long x = (long long)1048576 * (long long)1048576; - sprintf(s,"%${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 - #include - #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 - #include - - 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