Move the machdepCCOpts flags into cCcOpts

This will ultimately mean they end up in the settings file, rather
than being hardcoded.

We now unconditionally give -D_REENTRANT on alpha, but I think that's
probably the right thing to do nowadays anyway.

diff --git a/aclocal.m4 b/aclocal.m4
index 4b750ef..357c2e3 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -105,6 +105,21 @@ AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
         $4="$$4 -arch x86_64"
         $5="$$5 -m64"
         ;;
+    alpha-*)
+        # For now, to suppress the gcc warning "call-clobbered
+        # register used for global register variable", we simply
+        # disable all warnings altogether using the -w flag. Oh well.
+        $2="$$2 -w -mieee -D_REENTRANT"
+        $3="$$3 -w -mieee -D_REENTRANT"
+        $5="$$5 -w -mieee -D_REENTRANT"
+        ;;
+    hppa*)
+        # ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
+        # (very nice, but too bad the HP /usr/include files don't agree.)
+        $2="$$2 -D_HPUX_SOURCE"
+        $3="$$3 -D_HPUX_SOURCE"
+        $5="$$5 -D_HPUX_SOURCE"
+        ;;
     esac
 
     # If gcc knows about the stack protector, turn it off.

diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index 732d9b4..f5d4be3 100644 (file)
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -2201,28 +2201,7 @@ setOptHpcDir arg  = upd $ \ d -> d{hpcDir = arg}
 -- platform.
 
 machdepCCOpts :: DynFlags -> [String] -- flags for all C compilations
-machdepCCOpts _ = cCcOpts ++ machdepCCOpts'
-
-machdepCCOpts' :: [String] -- flags for all C compilations
-machdepCCOpts'
-#if alpha_TARGET_ARCH
-        =       ["-w", "-mieee"
-#ifdef HAVE_THREADED_RTS_SUPPORT
-                    , "-D_REENTRANT"
-#endif
-                   ]
-        -- For now, to suppress the gcc warning "call-clobbered
-        -- register used for global register variable", we simply
-        -- disable all warnings altogether using the -w flag. Oh well.
-
-#elif hppa_TARGET_ARCH
-        -- ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
-        -- (very nice, but too bad the HP /usr/include files don't agree.)
-        = ["-D_HPUX_SOURCE"]
-
-#else
-        = []
-#endif
+machdepCCOpts _ = cCcOpts
 
 picCCOpts :: DynFlags -> [String]
 picCCOpts _dflags