emit a helpful error message for missing DPH packages

[ghc-hetmet.git] / compiler / main / StaticFlags.hs

diff --git a/compiler/main/StaticFlags.hs b/compiler/main/StaticFlags.hs
index a8e3551..bc2ae38 100644 (file)
--- a/compiler/main/StaticFlags.hs
+++ b/compiler/main/StaticFlags.hs
@@ -277,7 +277,11 @@ opt_UF_KeenessFactor :: Float
 opt_UF_CreationThreshold = lookup_def_int "-funfolding-creation-threshold" (45::Int)
 opt_UF_UseThreshold     = lookup_def_int "-funfolding-use-threshold"      (6::Int)
 opt_UF_FunAppDiscount   = lookup_def_int "-funfolding-fun-discount"       (6::Int)
-opt_UF_DictDiscount     = lookup_def_int "-funfolding-dict-discount"      (1::Int)
+
+opt_UF_DictDiscount     = lookup_def_int "-funfolding-dict-discount"      (3::Int)
+   -- Be fairly keen to inline a fuction if that means
+   -- we'll be able to pick the right method from a dictionary
+
 opt_UF_KeenessFactor    = lookup_def_float "-funfolding-keeness-factor"   (1.5::Float)
 opt_UF_DearOp            = ( 4 :: Int)
 
@@ -413,6 +417,9 @@ way_details =
        -- the problems are our fault or theirs, but it seems that using the
        -- alternative 1:1 threading library libthr works around it:
          "-optl-lthr"
+#elif defined(openbsd_TARGET_OS)
+         "-optc-pthread"
+       , "-optl-pthread"
 #elif defined(solaris2_TARGET_OS)
           "-optl-lrt"
 #endif
@@ -428,6 +435,10 @@ way_details =
        --      with -fPIC. Labels not in the current package are assumed to be in a DLL 
        --      different from the current one.
        , "-fPIC"
+#elif defined(openbsd_TARGET_OS)
+       -- Without this, linking the shared libHSffi fails because
+       -- it uses pthread mutexes.
+       , "-optl-pthread"
 #endif
        ],