tanh: Use a .m4 file.

[gnulib.git] / m4 / isfinite.m4

diff --git a/m4/isfinite.m4 b/m4/isfinite.m4
index 72dbcc6..9bc8c4d 100644 (file)
--- a/m4/isfinite.m4
+++ b/m4/isfinite.m4
@@ -1,4 +1,4 @@
-# isfinite.m4 serial 10
+# isfinite.m4 serial 12
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -9,7 +9,7 @@ AC_DEFUN([gl_ISFINITE],
   AC_REQUIRE([gl_MATH_H_DEFAULTS])
   dnl Persuade glibc <math.h> to declare isfinite.
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
-  AC_CHECK_DECLS([isfinite], , , [#include <math.h>])
+  AC_CHECK_DECLS([isfinite], , , [[#include <math.h>]])
   if test "$ac_cv_have_decl_isfinite" = yes; then
     gl_CHECK_MATH_LIB([ISFINITE_LIBM],
      [x = isfinite (x) + isfinite ((float) x);])
@@ -148,7 +148,7 @@ int main ()
     static memory_long_double x =
       { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
     if (isfinite (x.value))
-      return |= 64;
+      result |= 64;
   }
 #endif
 
@@ -156,8 +156,8 @@ int main ()
 }]])], [gl_cv_func_isfinitel_works=yes], [gl_cv_func_isfinitel_works=no],
       [case "$host_cpu" in
                                # Guess no on ia64, x86_64, i386.
-         ia64 | x86_64 | i*86) gl_cv_func_isnanl_works="guessing no";;
-         *)                    gl_cv_func_isnanl_works="guessing yes";;
+         ia64 | x86_64 | i*86) gl_cv_func_isfinitel_works="guessing no";;
+         *)                    gl_cv_func_isfinitel_works="guessing yes";;
        esac
       ])
     ])