#10456: Wrong CPP during cross-compilation -------------------------------------+------------------------------------- Reporter: jakzale | Owner: Type: bug | Status: new Priority: low | Milestone: Component: Build System | Version: 7.11 Resolution: | Keywords: cross- Operating System: Unknown/Multiple | compiling Type of failure: Building GHC | Architecture: failed | Unknown/Multiple Blocked By: | Test Case: Related Tickets: | Blocking: | Differential Revisions: -------------------------------------+------------------------------------- Comment (by rwbarton): I can reproduce this with just `./configure --target=i386-unknown-linux`, though using the wrong CPP to build dependencies has no visibly bad effects in my case. The OP's immediate issue is that the build system knows it is doing a build for the host system, so it added `-m64`, but then actually used the cross-compiler for CPP. I wonder whether, until recently (when the stage1 compiler gained some TH support), it was the case that there was no C code in the compiler proper (as opposed to the rts and libraries)? I guess we need separate CPP_STAGEn variables, or to have the dependency generation use CC rather than CPP... -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10456#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler