1 files changed, 4 insertions, 83 deletions
diff --git a/gnulib-m4/float_h.m4 b/gnulib-m4/float_h.m4
index e4853f3..a74a0d9 100644
--- a/gnulib-m4/float_h.m4
+++ b/gnulib-m4/float_h.m4
@@ -1,5 +1,5 @@
-# float_h.m4 serial 9
-dnl Copyright (C) 2007, 2009-2015 Free Software Foundation, Inc.
+# float_h.m4 serial 3
+dnl Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -9,90 +9,11 @@ AC_DEFUN([gl_FLOAT_H],
   AC_REQUIRE([AC_PROG_CC])
   AC_REQUIRE([AC_CANONICAL_HOST])
   FLOAT_H=
-  REPLACE_FLOAT_LDBL=0
   case "$host_os" in
-    aix* | beos* | openbsd* | mirbsd* | irix*)
+    beos* | openbsd*)
       FLOAT_H=float.h
-      ;;
-    freebsd*)
-      case "$host_cpu" in
-changequote(,)dnl
-        i[34567]86 )
-changequote([,])dnl
-          FLOAT_H=float.h
-          ;;
-        x86_64 )
-          # On x86_64 systems, the C compiler may still be generating
-          # 32-bit code.
-          AC_EGREP_CPP([yes],
-            [#if defined __LP64__ || defined __x86_64__ || defined __amd64__
-             yes
-             #endif],
-            [],
-            [FLOAT_H=float.h])
-          ;;
-      esac
-      ;;
-    linux*)
-      case "$host_cpu" in
-        powerpc*)
-          FLOAT_H=float.h
-          ;;
-      esac
-      ;;
-  esac
-  case "$host_os" in
-    aix* | freebsd* | linux*)
-      if test -n "$FLOAT_H"; then
-        REPLACE_FLOAT_LDBL=1
-      fi
+      gl_CHECK_NEXT_HEADERS([float.h])
       ;;
   esac
-
-  dnl Test against glibc-2.7 Linux/SPARC64 bug.
-  REPLACE_ITOLD=0
-  AC_CACHE_CHECK([whether conversion from 'int' to 'long double' works],
-    [gl_cv_func_itold_works],
-    [
-      AC_RUN_IFELSE(
-        [AC_LANG_SOURCE([[
-int i = -1;
-volatile long double ld;
-int main ()
-{
-  ld += i * 1.0L;
-  if (ld > 0)
-    return 1;
-  return 0;
-}]])],
-        [gl_cv_func_itold_works=yes],
-        [gl_cv_func_itold_works=no],
-        [case "$host" in
-           sparc*-*-linux*)
-             AC_EGREP_CPP([yes],
-               [#if defined __LP64__ || defined __arch64__
-                yes
-                #endif],
-               [gl_cv_func_itold_works="guessing no"],
-               [gl_cv_func_itold_works="guessing yes"])
-             ;;
-           *) gl_cv_func_itold_works="guessing yes" ;;
-         esac
-        ])
-    ])
-  case "$gl_cv_func_itold_works" in
-    *no)
-      REPLACE_ITOLD=1
-      dnl We add the workaround to <float.h> but also to <math.h>,
-      dnl to increase the chances that the fix function gets pulled in.
-      FLOAT_H=float.h
-      ;;
-  esac
-
-  if test -n "$FLOAT_H"; then
-    gl_NEXT_HEADERS([float.h])
-  fi
   AC_SUBST([FLOAT_H])
-  AM_CONDITIONAL([GL_GENERATE_FLOAT_H], [test -n "$FLOAT_H"])
-  AC_SUBST([REPLACE_ITOLD])
 ])