X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=mk%2Fconfig.mk.in;h=3882c26bdb668c835f4ebe982d1780b511aceb24;hp=2be8a52e89a4554eb1d891e0aa2090f4b7af15ed;hb=190b2d90f92f61eb802275729106b5d9fb9a7a7c;hpb=1caf694c7d5ea3699cfb988b25f0c850cedcd3e4

diff --git a/mk/config.mk.in b/mk/config.mk.in
index 2be8a52..3882c26 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -104,7 +104,12 @@ GhcDynamic=NO
 GhcProfiled=NO
 
 # Do we support shared libs?
-PlatformSupportsSharedLibs = $(if $(filter $(TARGETPLATFORM),i386-unknown-linux x86_64-unknown-linux i386-unknown-freebsd x86_64-unknown-freebsd i386-unknown-mingw32 i386-apple-darwin powerpc-apple-darwin),YES,NO)
+PlatformSupportsSharedLibs = $(if $(filter $(TARGETPLATFORM),\
+	i386-unknown-linux x86_64-unknown-linux \
+	i386-unknown-freebsd x86_64-unknown-freebsd \
+	i386-unknown-openbsd x86_64-unknown-openbsd \
+	i386-unknown-mingw32 \
+	i386-apple-darwin powerpc-apple-darwin),YES,NO)
 
 # Build a compiler that will build *unregisterised* libraries and
 # binaries by default.  Unregisterised code is supposed to compile and
@@ -178,7 +183,7 @@ endif
 # Whether to use libffi for adjustors (foreign import "wrapper") or
 # not.  If we have built-in support (rts/Adjustor.c) then we use that,
 # otherwise we fall back on libffi, which is slightly slower.
-ArchHasAdjustorSupport=$(strip $(if $(findstring $(HostArch_CPP),i386 x86_64 powerpc,),YES,NO))
+ArchHasAdjustorSupport = $(if $(findstring $(HostArch_CPP),i386 x86_64),YES,NO)
 ifeq "$(ArchHasAdjustorSupport)" "YES"
 UseLibFFIForAdjustors=NO
 else
@@ -291,15 +296,16 @@ PackageSourceURL = http://darcs.haskell.org/packages/$(PACKAGE)/%{FILE}
 #		doing object-file splitting
 
 ArchSupportsSplitObjs=$(strip $(if $(filter $(TargetArch_CPP),i386 x86_64 powerpc sparc),YES,NO))
+# Object splitting is disabled on darwin due to #4013
+OsSupportsSplitObjs=$(strip $(if $(filter $(TargetOS_CPP),mingw32 cygwin32 linux solaris2 freebsd dragonfly netbsd openbsd),YES,NO))
 
 # lazy test, so that $(GhcUnregisterised) can be set in build.mk
-SupportsSplitObjs=$(strip $(if $(filter YES,$(ArchSupportsSplitObjs)),\
-	            $(if $(filter NO,$(BootingFromHc)),\
-		      $(if $(filter NO,$(GhcUnregisterised)),\
-	                YES,\
-			NO),\
-                      NO),\
-                    NO))
+SupportsSplitObjs=$(strip \
+                    $(if $(and $(filter YES,$(ArchSupportsSplitObjs)),\
+                               $(filter YES,$(OsSupportsSplitObjs)),\
+                               $(filter NO,$(BootingFromHc)),\
+                               $(filter NO,$(GhcUnregisterised))),\
+                          YES,NO))
 
 # By default, enable SplitObjs for the libraries if this build supports it
 SplitObjs=$(SupportsSplitObjs)
@@ -535,7 +541,8 @@ endif
 endif
 
 # C compiler and linker flags from configure (e.g. -m<blah> to select
-# correct C compiler backend).
+# correct C compiler backend). The stage number is the stage of GHC
+# that is being used to compile with.
 CONF_CC_OPTS_STAGE0 = @CONF_CC_OPTS_STAGE0@
 CONF_CC_OPTS_STAGE1 = @CONF_CC_OPTS_STAGE1@
 CONF_CC_OPTS_STAGE2 = @CONF_CC_OPTS_STAGE2@
@@ -627,10 +634,12 @@ LdIsGNULd		= @LdIsGNULd@
 # On MSYS, building with SplitObjs=YES fails with 
 #   ar: Bad file number
 # see #3201.  We need to specify a smaller max command-line size
-# to work around it.  32767 doesn't work; 30000 does.
+# to work around it.  32767 doesn't work; 30000 does, but says
+#     xargs: value for -s option should be < 28153
+# so we now use 20000 to be comfortably below this bound
 XARGS = xargs
 ifeq "$(Windows)" "YES"
-XARGS_OPTS = -s 30000
+XARGS_OPTS = -s 20000
 endif
 
 #