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give a more useful message when the static flags have not been initialised (#1938)
[ghc-hetmet.git]
/
compiler
/
main
/
StaticFlags.hs
diff --git
a/compiler/main/StaticFlags.hs
b/compiler/main/StaticFlags.hs
index
039051b
..
31b9414
100644
(file)
--- a/
compiler/main/StaticFlags.hs
+++ b/
compiler/main/StaticFlags.hs
@@
-226,7
+226,7
@@
GLOBAL_VAR(v_opt_C_ready, False, Bool)
staticFlags = unsafePerformIO $ do
ready <- readIORef v_opt_C_ready
if (not ready)
staticFlags = unsafePerformIO $ do
ready <- readIORef v_opt_C_ready
if (not ready)
- then panic "a static opt was looked at too early!"
+ then panic "Static flags have not been initialised!\n Please call GHC.newSession or GHC.parseStaticFlags early enough."
else readIORef v_opt_C
-- -static is the default
else readIORef v_opt_C
-- -static is the default