1 files changed, 7 insertions, 70 deletions

diff --git a/include/ruby/missing.h b/include/ruby/missing.h
index 161d95430a..62d65b0aff 100644
--- a/include/ruby/missing.h
+++ b/include/ruby/missing.h
@@ -18,36 +18,18 @@ extern "C" {
 #endif
 #endif
 
-#include "ruby/config.h"
-#include <stddef.h>
-#include <math.h> /* for INFINITY and NAN */
-#ifdef RUBY_ALTERNATIVE_MALLOC_HEADER
-# include RUBY_ALTERNATIVE_MALLOC_HEADER
-#endif
-#ifdef RUBY_EXTCONF_H
-#include RUBY_EXTCONF_H
-#endif
-
-#if !defined(HAVE_STRUCT_TIMEVAL) || !defined(HAVE_STRUCT_TIMESPEC)
-#if defined(HAVE_TIME_H)
-# include <time.h>
-#endif
 #if defined(HAVE_SYS_TIME_H)
-# include <sys/time.h>
-#endif
-#endif
-
-#ifndef RUBY_SYMBOL_EXPORT_BEGIN
-# define RUBY_SYMBOL_EXPORT_BEGIN /* begin */
-# define RUBY_SYMBOL_EXPORT_END   /* end */
-#endif
-
-#if !defined(HAVE_STRUCT_TIMEVAL)
+#  include <sys/time.h>
+#elif !defined(_WIN32)
+#  define time_t long
 struct timeval {
     time_t tv_sec;	/* seconds */
     long tv_usec;	/* microseconds */
 };
-#endif /* HAVE_STRUCT_TIMEVAL */
+#endif
+#if defined(HAVE_SYS_TYPES_H)
+#  include <sys/types.h>
+#endif
 
 #if !defined(HAVE_STRUCT_TIMESPEC)
 struct timespec {
@@ -63,15 +45,10 @@ struct timezone {
 };
 #endif
 
-#ifdef RUBY_EXPORT
-#undef RUBY_EXTERN
-#endif
 #ifndef RUBY_EXTERN
 #define RUBY_EXTERN extern
 #endif
 
-RUBY_SYMBOL_EXPORT_BEGIN
-
 #ifndef HAVE_ACOSH
 RUBY_EXTERN double acosh(double);
 RUBY_EXTERN double asinh(double);
@@ -90,10 +67,6 @@ RUBY_EXTERN int dup2(int, int);
 RUBY_EXTERN int eaccess(const char*, int);
 #endif
 
-#ifndef HAVE_ROUND
-RUBY_EXTERN double round(double);	/* numeric.c */
-#endif
-
 #ifndef HAVE_FINITE
 RUBY_EXTERN int finite(double);
 #endif
@@ -129,35 +102,9 @@ RUBY_EXTERN double lgamma_r(double, int *);
 RUBY_EXTERN double cbrt(double);
 #endif
 
-#if !defined(INFINITY) || !defined(NAN)
-union bytesequence4_or_float {
-  unsigned char bytesequence[4];
-  float float_value;
-};
-#endif
-
-#ifdef INFINITY
-# define HAVE_INFINITY
-#else
-/** @internal */
-RUBY_EXTERN const union bytesequence4_or_float rb_infinity;
-# define INFINITY (rb_infinity.float_value)
-#endif
-
-#ifdef NAN
-# define HAVE_NAN
-#else
-/** @internal */
-RUBY_EXTERN const union bytesequence4_or_float rb_nan;
-# define NAN (rb_nan.float_value)
-#endif
-
 #ifndef isinf
 # ifndef HAVE_ISINF
 #  if defined(HAVE_FINITE) && defined(HAVE_ISNAN)
-#    ifdef HAVE_IEEEFP_H
-#    include <ieeefp.h>
-#    endif
 #  define isinf(x) (!finite(x) && !isnan(x))
 #  else
 RUBY_EXTERN int isinf(double);
@@ -171,10 +118,6 @@ RUBY_EXTERN int isnan(double);
 # endif
 #endif
 
-#ifndef HAVE_NEXTAFTER
-RUBY_EXTERN double nextafter(double x, double y);
-#endif
-
 /*
 #ifndef HAVE_MEMCMP
 RUBY_EXTERN int memcmp(const void *, const void *, size_t);
@@ -235,12 +178,6 @@ RUBY_EXTERN int ruby_shutdown(int, int);
 RUBY_EXTERN int ruby_close(int);
 #endif
 
-#ifndef HAVE_SETPROCTITLE
-RUBY_EXTERN void setproctitle(const char *fmt, ...);
-#endif
-
-RUBY_SYMBOL_EXPORT_END
-
 #if defined(__cplusplus)
 #if 0
 { /* satisfy cc-mode */