diff options
Diffstat (limited to 'Zend/acinclude.m4')
| -rw-r--r-- | Zend/acinclude.m4 | 116 |
1 files changed, 1 insertions, 115 deletions
diff --git a/Zend/acinclude.m4 b/Zend/acinclude.m4 index 37068a316b..77b9bbdeb4 100644 --- a/Zend/acinclude.m4 +++ b/Zend/acinclude.m4 @@ -4,7 +4,7 @@ dnl This file contains local autoconf functions. AC_DEFUN([LIBZEND_BISON_CHECK],[ # we only support certain bison versions - bison_version_list="1.28 1.35 1.75 1.875 2.0 2.1 2.2 2.3 2.4" + bison_version_list="1.28 1.35 1.75 1.875 2.0 2.1 2.2 2.3" # for standalone build of Zend Engine test -z "$SED" && SED=sed @@ -105,117 +105,3 @@ int main(void) AC_DEFUN([AM_SET_LIBTOOL_VARIABLE],[ LIBTOOL='$(SHELL) $(top_builddir)/libtool $1' ]) - -dnl x87 floating point internal precision control checks -dnl See: http://wiki.php.net/rfc/rounding -AC_DEFUN([ZEND_CHECK_FLOAT_PRECISION],[ - AC_MSG_CHECKING([for usable _FPU_SETCW]) - AC_TRY_LINK([ - #include <fpu_control.h> - ],[ - fpu_control_t fpu_oldcw, fpu_cw; - volatile double result; - double a = 2877.0; - volatile double b = 1000000.0; - - _FPU_GETCW(fpu_oldcw); - fpu_cw = (fpu_oldcw & ~_FPU_EXTENDED & ~_FPU_SINGLE) | _FPU_DOUBLE; - _FPU_SETCW(fpu_cw); - result = a / b; - _FPU_SETCW(fpu_oldcw); - ], [ac_cfp_have__fpu_setcw=yes], [ac_cfp_have__fpu_setcw=no]) - if test "$ac_cfp_have__fpu_setcw" = "yes" ; then - AC_DEFINE(HAVE__FPU_SETCW, 1, [whether _FPU_SETCW is present and usable]) - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - fi - - AC_MSG_CHECKING([for usable fpsetprec]) - AC_TRY_LINK([ - #include <machine/ieeefp.h> - ],[ - fp_prec_t fpu_oldprec; - volatile double result; - double a = 2877.0; - volatile double b = 1000000.0; - - fpu_oldprec = fpgetprec(); - fpsetprec(FP_PD); - result = a / b; - fpsetprec(fpu_oldprec); - ], [ac_cfp_have_fpsetprec=yes], [ac_cfp_have_fpsetprec=no]) - if test "$ac_cfp_have_fpsetprec" = "yes" ; then - AC_DEFINE(HAVE_FPSETPREC, 1, [whether fpsetprec is present and usable]) - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - fi - - AC_MSG_CHECKING([for usable _controlfp]) - AC_TRY_LINK([ - #include <float.h> - ],[ - unsigned int fpu_oldcw; - volatile double result; - double a = 2877.0; - volatile double b = 1000000.0; - - fpu_oldcw = _controlfp(0, 0); - _controlfp(_PC_53, _MCW_PC); - result = a / b; - _controlfp(fpu_oldcw, _MCW_PC); - ], [ac_cfp_have__controlfp=yes], [ac_cfp_have__controlfp=no]) - if test "$ac_cfp_have__controlfp" = "yes" ; then - AC_DEFINE(HAVE__CONTROLFP, 1, [whether _controlfp is present usable]) - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - fi - - AC_MSG_CHECKING([for usable _controlfp_s]) - AC_TRY_LINK([ - #include <float.h> - ],[ - unsigned int fpu_oldcw, fpu_cw; - volatile double result; - double a = 2877.0; - volatile double b = 1000000.0; - - _controlfp_s(&fpu_cw, 0, 0); - fpu_oldcw = fpu_cw; - _controlfp_s(&fpu_cw, _PC_53, _MCW_PC); - result = a / b; - _controlfp_s(&fpu_cw, fpu_oldcw, _MCW_PC); - ], [ac_cfp_have__controlfp_s=yes], [ac_cfp_have__controlfp_s=no]) - if test "$ac_cfp_have__controlfp_s" = "yes" ; then - AC_DEFINE(HAVE__CONTROLFP_S, 1, [whether _controlfp_s is present and usable]) - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - fi - - AC_MSG_CHECKING([whether FPU control word can be manipulated by inline assembler]) - AC_TRY_LINK([ - /* nothing */ - ],[ - unsigned int oldcw, cw; - volatile double result; - double a = 2877.0; - volatile double b = 1000000.0; - - __asm__ __volatile__ ("fnstcw %0" : "=m" (*&oldcw)); - cw = (oldcw & ~0x0 & ~0x300) | 0x200; - __asm__ __volatile__ ("fldcw %0" : : "m" (*&cw)); - - result = a / b; - - __asm__ __volatile__ ("fldcw %0" : : "m" (*&oldcw)); - ], [ac_cfp_have_fpu_inline_asm_x86=yes], [ac_cfp_have_fpu_inline_asm_x86=no]) - if test "$ac_cfp_have_fpu_inline_asm_x86" = "yes" ; then - AC_DEFINE(HAVE_FPU_INLINE_ASM_X86, 1, [whether FPU control word can be manipulated by inline assembler]) - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - fi -]) |