#3604: Use of template-haskell is broken with shared libraries
-----------------------------+----------------------------------------------
Reporter: guest | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.12.0 RC1 | Severity: normal
Keywords: | Testcase:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
-----------------------------+----------------------------------------------
Consider the following program:
TH.hs:
{{{
{-# LANGUAGE TemplateHaskell #-}
module TH where
import Language.Haskell.TH
spliceMe = [| (\xs -> tail xs ++ init xs) |]
}}}
Library.hs
{{{
{-# LANGUAGE TemplateHaskell #-}
module Library where
import TH
main = print ($(spliceMe) [1, 2])
}}}
Build it like so:
{{{
ghc --make -package-name foo-0.2.3 -hide-all-packages -fbuilding-cabal-
package -no-user-package-conf -i -idist/build -i. -idist/build/autogen
-Idist/build/a
utogen -Idist/build -optP-include -optPdist/build/autogen/cabal_macros.h
-odir dist/build -hidir dist/build -stubdir dist/build -package-id
base-4.2.0.0-e0460a0a4effe0aca049da0e
12eab4d3 -package-id template-
haskell-2.4.0.0-fa9ea4aecb54a2910620fe9afd9f40f1 -O Library -dynamic
-hisuf dyn_hi -osuf dyn_o -fPIC
}}}
And observe the wonderful error:
{{{
Creating dist/build (and its parents)
Creating dist/build/autogen (and its parents)
Preprocessing library foo-0.2.3...
Building foo-0.2.3...
Building library...
Creating dist/build (and its parents)
/home/a1333478/bin/ghc --make -package-name foo-0.2.3 -hide-all-packages
-fbuilding-cabal-package -no-user-package-conf -i -idist/build -i.
-idist/build/autogen -Idist/build/autogen -Idist/build -optP-include
-optPdist/build/autogen/cabal_macros.h -odir dist/build -hidir dist/build
-stubdir dist/build -package-id
base-4.2.0.0-e0460a0a4effe0aca049da0e12eab4d3 -package-id template-
haskell-2.4.0.0-fa9ea4aecb54a2910620fe9afd9f40f1 -O Library
/home/a1333478/bin/ghc --make -package-name foo-0.2.3 -hide-all-packages
-fbuilding-cabal-package -no-user-package-conf -i -idist/build -i.
-idist/build/autogen -Idist/build/autogen -Idist/build -optP-include
-optPdist/build/autogen/cabal_macros.h -odir dist/build -hidir dist/build
-stubdir dist/build -package-id
base-4.2.0.0-e0460a0a4effe0aca049da0e12eab4d3 -package-id template-
haskell-2.4.0.0-fa9ea4aecb54a2910620fe9afd9f40f1 -O Library -dynamic
-hisuf dyn_hi -osuf dyn_o -fPIC
[2 of 2] Compiling Library ( Library.hs, dist/build/Library.dyn_o
)
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package array-0.3.0.0 ... linking ... done.
Loading package containers-0.3.0.0 ... linking ... done.
Loading package pretty-1.0.1.1 ... linking ... done.
Loading package template-haskell ... linking ... done.
Loading package ffi-1.0 ... linking ... done.
ghc-stage2: dist/build/TH.dyn_o: unknown symbol
`__stginit_base_Prelude_dyn'
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3604>
GHC <http://www.haskell.org/ghc/>
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