You need to install the command-line tools from Xcode's preferences because the locations in the Developer prefix don't play nice. The package will install the usual tools to the usual locations, and all should be well. Jack Henahan jhenahan@uvm.edu == Computer science is no more about computers than astronomy is about telescopes. -- Michael R. Fellows == On Mar 5, 2012, at 7:08 AM, Obscaenvs wrote:

Hello! I have for various subtle reasons bought a MacBook Pro. It certainly is very shiny :)

I find it somewhat reluctant in the Haskell department, though: I do not want the lagging haskell-platform, and decided to do things from scratch, i.e. compile ghc myself. I followed the intructions, and I *have* compiled stuff before, so I'm not completely lost. However, after ./configure, make exits with the message

<code> ===--- building phase 0 make -r --no-print-directory -f ghc.mk phase=0 phase_0_builds libraries/extensible-exceptions/ghc.mk:3: libraries/extensible-exceptions/dist-boot/package-data.mk: No such file or directory libraries/hpc/ghc.mk:3: libraries/hpc/dist-boot/package-data.mk: No such file or directory libraries/Cabal/Cabal/ghc.mk:3: libraries/Cabal/Cabal/dist-boot/package-data.mk: No such file or directory libraries/binary/ghc.mk:3: libraries/binary/dist-boot/package-data.mk: No such file or directory libraries/bin-package-db/ghc.mk:3: libraries/bin-package-db/dist-boot/package-data.mk: No such file or directory libraries/hoopl/ghc.mk:3: libraries/hoopl/dist-boot/package-data.mk: No such file or directory compiler/ghc.mk:437: compiler/stage1/package-data.mk: No such file or directory utils/hsc2hs/ghc.mk:14: utils/hsc2hs/dist/package-data.mk: No such file or directory ghc/ghc.mk:93: ghc/stage1/package-data.mk: No such file or directory "inplace/bin/ghc-cabal" configure --with-ghc="/usr/bin/ghc" --with-ghc-pkg="/usr/bin/ghc-pkg" --package-db=/Users/fcar/Downloads/ghc-7.4.1/libraries/bootstrapping.conf --enable-library-profiling --enable-shared --enable-library-for-ghci --configure-option=CFLAGS=" -m64 -fno-stack-protector " --configure-option=LDFLAGS=" -m64 " --configure-option=CPPFLAGS=" -m64 " --constraint "Cabal == 1.14.0" --constraint "hpc == 0.5.1.1" --constraint "extensible-exceptions == 0.1.1.4" --constraint "binary == 0.5.1.0" --constraint "bin-package-db == 0.0.0.0" --constraint "hoopl == 3.8.7.3" --with-gcc="/usr/bin/gcc" --configure-option=--with-cc="/usr/bin/gcc" --with-ar="/Developer/usr/bin/ar" --with-ranlib="ranlib" -- dist-boot libraries/Cabal/Cabal Configuring Cabal-1.14.0... ghc-cabal: Cannot find the program 'ar' at '/Developer/usr/bin/ar' or on the path make[1]: *** [libraries/Cabal/Cabal/dist-boot/package-data.mk] Error 1 make: *** [all] Error 2 </code>

I can clearly make out the offending flag: --with-ar="/Developer/usr/bin/ar". Having Xcode 4.3, there is no longer any /Developer folder - but where do I tell it to use "/usr/bin/ar" instead? Furthermore, it says "or on the path" above, but /usr/bin *is* in PATH, at least in the environment I have at the shell prompt (but this might be changed in some script that make calls or whatever...)

Grateful for help.

/Fredrik, Stockholm

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