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If we are given -Werror, then pass -Werror to cpp
[ghc-hetmet.git]
/
compiler
/
main
/
SysTools.lhs
diff --git
a/compiler/main/SysTools.lhs
b/compiler/main/SysTools.lhs
index
88d42ee
..
71a721e
100644
(file)
--- a/
compiler/main/SysTools.lhs
+++ b/
compiler/main/SysTools.lhs
@@
-350,8
+350,11
@@
runCpp :: DynFlags -> [Option] -> IO ()
runCpp dflags args = do
let (p,args0) = pgm_P dflags
args1 = args0 ++ args
runCpp dflags args = do
let (p,args0) = pgm_P dflags
args1 = args0 ++ args
- mb_env <- getGccEnv args1
- runSomethingFiltered dflags id "C pre-processor" p args1 mb_env
+ args2 = if dopt Opt_WarnIsError dflags
+ then Option "-Werror" : args1
+ else args1
+ mb_env <- getGccEnv args2
+ runSomethingFiltered dflags id "C pre-processor" p args2 mb_env
runPp :: DynFlags -> [Option] -> IO ()
runPp dflags args = do
runPp :: DynFlags -> [Option] -> IO ()
runPp dflags args = do