Enable shared libs on OpenBSD

[ghc-hetmet.git] / compiler / HsVersions.h

diff --git a/compiler/HsVersions.h b/compiler/HsVersions.h
index 530b0fa..4d8e521 100644 (file)
--- a/compiler/HsVersions.h
+++ b/compiler/HsVersions.h
@@ -16,67 +16,68 @@ you will screw up the layout where they are used in case expressions!
 /* Pull in all the platform defines for this build (foo_TARGET_ARCH etc.) */
 #include "ghc_boot_platform.h"
 
+/* This macro indicates that the target OS supports ELF-like shared libraries */
+#if linux_TARGET_OS || freebsd_TARGET_OS || openbsd_TARGET_OS
+#define elf_OBJ_FORMAT 1
+#endif
+
 /* Pull in the autoconf defines (HAVE_FOO), but don't include
  * ghcconfig.h, because that will include ghcplatform.h which has the
  * wrong platform settings for the compiler (it has the platform
  * settings for the target plat instead). */
 #include "../includes/ghcautoconf.h"
 
-#if !defined(__GLASGOW_HASKELL__) || __GLASGOW_HASKELL__ >= 602
-#define SYSTEM_IO_ERROR System.IO.Error
-#else
-#define SYSTEM_IO_ERROR System.IO
-#endif
-
 /* Global variables may not work in other Haskell implementations,
  * but we need them currently! so the conditional on GLASGOW won't do. */
+#ifndef __HADDOCK__
 #if defined(__GLASGOW_HASKELL__) || !defined(__GLASGOW_HASKELL__)
 #define GLOBAL_VAR(name,value,ty)  \
-name = Util.global (value) :: IORef (ty); \
-{-# NOINLINE name #-}
+{-# NOINLINE name #-};             \
+name :: IORef (ty);                \
+name = Util.global (value);
+
+#define GLOBAL_MVAR(name,value,ty) \
+{-# NOINLINE name #-};             \
+name :: MVar (ty);                 \
+name = Util.globalMVar (value);
+#endif
+#else /* __HADDOCK__ */
+#define GLOBAL_VAR(name,value,ty)  \
+name :: IORef (ty);                \
+name = Util.global (value);
+
+#define GLOBAL_MVAR(name,value,ty) \
+name :: MVar (ty);                 \
+name = Util.globalMVar (value);
 #endif
 
 #define COMMA ,
 
 #ifdef DEBUG
-#define debugIsOn True
-#define ASSERT(e) if (not (e)) then (assertPanic __FILE__ __LINE__) else
+#define ASSERT(e)      if (not (e)) then (assertPanic __FILE__ __LINE__) else
 #define ASSERT2(e,msg) if (not (e)) then (assertPprPanic __FILE__ __LINE__ (msg)) else
-#define MASSERT(e)      ASSERT(e) return ()
-#define MASSERT2(e,msg) ASSERT2(e,msg) return ()
-#define WARN( e, msg ) (warnPprTrace (e) __FILE__ __LINE__ (msg))
-#define ASSERTM(mbool) do { bool <- mbool; ASSERT(bool) return () }
-#define ASSERTM2(mbool,msg) do { bool <- mbool; ASSERT2(bool,msg) return () }
+#define WARN( e, msg ) (warnPprTrace (e) __FILE__ __LINE__ (msg)) $
 #else
-#define debugIsOn False
 -- We have to actually use all the variables we are given or we may get
 -- unused variable warnings when DEBUG is off.
 #define ASSERT(e)      if False && (not (e)) then panic "ASSERT" else
-#define ASSERT2(e,msg) if False && (not (e)) then pprPanic "ASSERT2" (msg) else
-#define MASSERT(e)      ASSERT(e) return ()
-#define MASSERT2(e,msg) ASSERT2(e,msg) return ()
-#define ASSERTM(e)       do { let { _mbool = (e) } }
--- Here we deliberately don't use when as Control.Monad might not be imported
-#define ASSERTM2(e,msg)  do { let { _mbool = (e) }; if False then panic "ASSERTM2" else return () }
+#define ASSERT2(e,msg) if False && (const False (e,msg)) then pprPanic "ASSERT2" (msg) else
 #define WARN(e,msg)    if False && (e) then pprPanic "WARN" (msg) else
+-- Here we deliberately don't use when as Control.Monad might not be imported
 #endif
 
--- This conditional lets us switch off the "import FastString"
--- when compiling FastString itself, or when compiling modules that
--- don't use it (and would otherwise get warnings, which we treat
--- as errors). Can we do this more nicely?
-#if !defined(COMPILING_FAST_STRING) && !defined(FAST_STRING_NOT_NEEDED)
+-- Examples:   Assuming   flagSet :: String -> m Bool
 -- 
-import qualified FastString as FS 
-#endif
-
-#if defined(__GLASGOW_HASKELL__)
-#define SLIT(x)         (FS.mkLitString# (x#))
-#define FSLIT(x) (FS.mkFastString# (x#))
-#else
-#define SLIT(x)  (FS.mkLitString (x))
-#define FSLIT(x) (FS.mkFastString (x))
-#endif
+--    do { c   <- getChar; MASSERT( isUpper c ); ... }
+--    do { c   <- getChar; MASSERT2( isUpper c, text "Bad" ); ... }
+--    do { str <- getStr;  ASSERTM( flagSet str ); .. }
+--    do { str <- getStr;  ASSERTM2( flagSet str, text "Bad" ); .. }
+--    do { str <- getStr;  WARNM2( flagSet str, text "Flag is set" ); .. }
+#define MASSERT(e)      ASSERT(e) return ()
+#define MASSERT2(e,msg) ASSERT2(e,msg) return ()
+#define ASSERTM(e)      do { bool <- e; MASSERT(bool) }
+#define ASSERTM2(e,msg) do { bool <- e; MASSERT2(bool,msg) }
+#define WARNM2(e,msg)   do { bool <- e; WARN(bool, msg) return () }
 
 -- Useful for declaring arguments to be strict
 #define STRICT1(f) f a | a `seq` False = undefined