Resolving dependencies...
Downloading llvm-0.4.0.1...
Configuring llvm-0.4.0.1...
configure: WARNING: unrecognized options: --with-gcc
checking for g++... g++
checking for C++ compiler default output file name... a.out
checking whether the C++ compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking for llvm-config... ./configure: line 2480: error:: command not found
no
./configure: line 2497: --cppflags: command not found
./configure: line 2498: --includedir: command not found
./configure: line 2499: --ldflags: command not found
./configure: line 2501: --libs: command not found
checking for gcc... gcc
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking llvm-c/Core.h usability... no
checking llvm-c/Core.h presence... no
checking for llvm-c/Core.h... no
configure: error: could not find LLVM C bindings
Failed to install llvm-0.4.0.1
cabal: Error: some packages failed to install:
llvm-0.4.0.1 failed during the configure step. The exception was:
ExitFailure 1