acconfig.h: Remove redundant HAVE_FLOAT_H.

[gcc.git] / libstdc++-v3 / acconfig.h

diff --git a/libstdc++-v3/acconfig.h b/libstdc++-v3/acconfig.h
index 01aca88544bffe5a31925c89fa1fe1690c808b07..6cfb644731a1e347b2d177164dafc5b9dbcfc4a0 100644 (file)
--- a/libstdc++-v3/acconfig.h
+++ b/libstdc++-v3/acconfig.h
@@ -1,80 +1,21 @@
-// acconfig.h symbols and macros for libstdc++ v3 -*- C++ -*-
-
-// Include support for 'long long' and 'unsigned long long'.
-#undef _GLIBCPP_USE_LONG_LONG
-
-// Define if the host has a type mbstate_t defined in
-// wchar.h, as required by 21.1.3.1. Some systems, namely
-// hppa-hp-hpux10.20 do not meet this requirement, and must be worked
-// around.
-#undef _GLIBCPP_NEED_MBSTATE_T
-
-// Define if code specialized for wchar_t should be used.
-#undef _GLIBCPP_USE_WCHAR_T
-
-// Define if the compiler/host combination has __builtin_abs
-#undef HAVE___BUILTIN_ABS
-
-// Define if the compiler/host combination has __builtin_labs
-#undef HAVE___BUILTIN_LABS
-
-// Define if the compiler/host combination has __builtin_cos
-#undef HAVE___BUILTIN_COS
-
-// Define if the compiler/host combination has __builtin_cosf
-#undef HAVE___BUILTIN_COSF
-
-// Define if the compiler/host combination has __builtin_cosl
-#undef HAVE___BUILTIN_COSL
-
-// Define if the compiler/host combination has __builtin_fabs
-#undef HAVE___BUILTIN_FABS
-
-// Define if the compiler/host combination has __builtin_fabsf
-#undef HAVE___BUILTIN_FABSF
-
-// Define if the compiler/host combination has __builtin_fabsl
-#undef HAVE___BUILTIN_FABSL
-
-// Define if the compiler/host combination has __builtin_sin
-#undef HAVE___BUILTIN_SIN
-
-// Define if the compiler/host combination has __builtin_sinf
-#undef HAVE___BUILTIN_SINF
-
-// Define if the compiler/host combination has __builtin_sinl
-#undef HAVE___BUILTIN_SINL
-
-// Define if the compiler/host combination has __builtin_fsqrt
-#undef HAVE___BUILTIN_FSQRT
-
-// Define if the compiler/host combination has __builtin_sqrtf
-#undef HAVE___BUILTIN_SQRTF
-
-// Define if the compiler/host combination has __builtin_sqrtl
-#undef HAVE___BUILTIN_SQRTL
-
-// Define if GCC support for __complex__ float is buggy.
-#undef _GLIBCPP_BUGGY_FLOAT_COMPLEX
-
-// Define if GCC support for __complex__ is buggy.
-#undef _GLIBCPP_BUGGY_COMPLEX
-
-// Define if LC_MESSAGES is available in <locale.h>.
-#undef HAVE_LC_MESSAGES
-
-// Define if <float.h> exists.
-#undef HAVE_FLOAT_H
-
-// Define if modf is present in <math.h>
-#undef HAVE_MODF
+// Symbols and macros for libstdc++ -*- C++ -*-
 
 // @BOTTOM@
 //
+// Define symbol versioning in assember directives. If symbol
+// versioning is beigng used, and the assembler supports this kind of
+// thing, then use it.
+// NB: _GLIBCXX_AT_AT is a hack to work around quoting issues in m4.
+#if _GLIBCXX_SYMVER
+  #define _GLIBCXX_ASM_SYMVER(cur, old, version) \
+   asm (".symver " #cur "," #old _GLIBCXX_AT_AT #version);
+#else
+  #define _GLIBCXX_ASM_SYMVER(cur, old, version)
+#endif
+
 // Systems that have certain non-standard functions prefixed with an
 // underscore, we'll handle those here. Must come after config.h.in.
 //
-
 #if defined (HAVE__ISNAN) && ! defined (HAVE_ISNAN)
 # define HAVE_ISNAN 1
 # define isnan _isnan
@@ -316,8 +257,8 @@
 #endif
 
 #if defined (HAVE__TANL) && ! defined (HAVE_TANL)
-# define HAVE_TANF 1
-# define tanf _tanf
+# define HAVE_TANL 1
+# define tanl _tanl
 #endif
 
 #if defined (HAVE__STRTOF) && ! defined (HAVE_STRTOF)