From: George Peter Banyard <girgias@php.net>
Date: Wed, 4 Dec 2019 12:39:52 +0000 (+0100)
Subject: Remove now obsolete configure checks for INFINITY and NAN.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=039d678fdfa5f0c9d8b70ec644b22a66f57aea74;p=php

Remove now obsolete configure checks for INFINITY and NAN.
---

diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
index 57a12ac36b..e06658de19 100644
--- a/Zend/Zend.m4
+++ b/Zend/Zend.m4
@@ -387,135 +387,6 @@ else
 fi
 AC_MSG_RESULT($ZEND_GCC_GLOBAL_REGS)
 
-dnl Check if atof() accepts NAN.
-AC_CACHE_CHECK(whether atof() accepts NAN, ac_cv_atof_accept_nan,[
-AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <math.h>
-#include <stdlib.h>
-
-#ifdef HAVE_ISNAN
-#define zend_isnan(a) isnan(a)
-#elif defined(HAVE_FPCLASS)
-#define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
-#else
-#define zend_isnan(a) 0
-#endif
-
-int main(int argc, char** argv)
-{
-	return zend_isnan(atof("NAN")) ? 0 : 1;
-}
-]])],[
-  ac_cv_atof_accept_nan=yes
-],[
-  ac_cv_atof_accept_nan=no
-],[
-  ac_cv_atof_accept_nan=no
-])])
-if test "$ac_cv_atof_accept_nan" = "yes"; then
-  AC_DEFINE([HAVE_ATOF_ACCEPTS_NAN], 1, [whether atof() accepts NAN])
-fi
-
-dnl Check if atof() accepts INF.
-AC_CACHE_CHECK(whether atof() accepts INF, ac_cv_atof_accept_inf,[
-AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <math.h>
-#include <stdlib.h>
-
-#ifdef HAVE_ISINF
-#define zend_isinf(a) isinf(a)
-#elif defined(INFINITY)
-/* Might not work, but is required by ISO C99 */
-#define zend_isinf(a) (((a)==INFINITY)?1:0)
-#elif defined(HAVE_FPCLASS)
-#define zend_isinf(a) ((fpclass(a) == FP_PINF) || (fpclass(a) == FP_NINF))
-#else
-#define zend_isinf(a) 0
-#endif
-
-int main(int argc, char** argv)
-{
-	return zend_isinf(atof("INF")) && zend_isinf(atof("-INF")) ? 0 : 1;
-}
-]])],[
-  ac_cv_atof_accept_inf=yes
-],[
-  ac_cv_atof_accept_inf=no
-],[
-  ac_cv_atof_accept_inf=no
-])])
-if test "$ac_cv_atof_accept_inf" = "yes"; then
-  AC_DEFINE([HAVE_ATOF_ACCEPTS_INF], 1, [whether atof() accepts INF])
-fi
-
-dnl Check if HUGE_VAL == INF.
-AC_CACHE_CHECK(whether HUGE_VAL == INF, ac_cv_huge_val_inf,[
-AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <math.h>
-#include <stdlib.h>
-
-#ifdef HAVE_ISINF
-#define zend_isinf(a) isinf(a)
-#elif defined(INFINITY)
-/* Might not work, but is required by ISO C99 */
-#define zend_isinf(a) (((a)==INFINITY)?1:0)
-#elif defined(HAVE_FPCLASS)
-#define zend_isinf(a) ((fpclass(a) == FP_PINF) || (fpclass(a) == FP_NINF))
-#else
-#define zend_isinf(a) 0
-#endif
-
-int main(int argc, char** argv)
-{
-	return zend_isinf(HUGE_VAL) ? 0 : 1;
-}
-]])],[
-  ac_cv_huge_val_inf=yes
-],[
-  ac_cv_huge_val_inf=no
-],[
-  ac_cv_huge_val_inf=yes
-])])
-dnl This is the most probable fallback so we assume yes in case of cross compile.
-if test "$ac_cv_huge_val_inf" = "yes"; then
-  AC_DEFINE([HAVE_HUGE_VAL_INF], 1, [whether HUGE_VAL == INF])
-fi
-
-dnl Check if HUGE_VAL + -HUGEVAL == NAN.
-AC_CACHE_CHECK(whether HUGE_VAL + -HUGEVAL == NAN, ac_cv_huge_val_nan,[
-AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <math.h>
-#include <stdlib.h>
-
-#ifdef HAVE_ISNAN
-#define zend_isnan(a) isnan(a)
-#elif defined(HAVE_FPCLASS)
-#define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
-#else
-#define zend_isnan(a) 0
-#endif
-
-int main(int argc, char** argv)
-{
-#if defined(__sparc__) && !(__GNUC__ >= 3)
-	/* prevent bug #27830 */
-	return 1;
-#else
-	return zend_isnan(HUGE_VAL + -HUGE_VAL) ? 0 : 1;
-#endif
-}
-]])],[
-  ac_cv_huge_val_nan=yes
-],[
-  ac_cv_huge_val_nan=no
-],[
-  ac_cv_huge_val_nan=yes
-])])
-dnl This is the most probable fallback so we assume yes in case of cross compile.
-if test "$ac_cv_huge_val_nan" = "yes"; then
-  AC_DEFINE([HAVE_HUGE_VAL_NAN], 1, [whether HUGE_VAL + -HUGEVAL == NAN])
-fi
-
 dnl Check whether __cpuid_count is available.
 AC_CACHE_CHECK(whether __cpuid_count is available, ac_cv_cpuid_count_available, [
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
diff --git a/win32/build/config.w32.h.in b/win32/build/config.w32.h.in
index ca3a19b5ce..7cd6392078 100644
--- a/win32/build/config.w32.h.in
+++ b/win32/build/config.w32.h.in
@@ -118,10 +118,6 @@
 
 #define HAVE_MBLEN
 
-#undef HAVE_ATOF_ACCEPTS_NAN
-#undef HAVE_ATOF_ACCEPTS_INF
-#define HAVE_HUGE_VAL_NAN 0
-
 /* vs.net 2005 has a 64-bit time_t.  This will likely break
  * 3rdParty libs that were built with older compilers; switch
  * back to 32-bit */
@@ -133,8 +129,6 @@
 #define HAVE_MBRLEN 1
 #define HAVE_MBSTATE_T 1
 
-#define HAVE_HUGE_VAL_INF 1
-
 #define HAVE_GETRUSAGE
 
 #define HAVE_FTOK 1