$ cat config.log

Invocation: ./configure
Detecing awk...
Trying: echo "a.c b.c c.c" | tr ' ' \n |  awk ' { ORS = " " } /\.c$/   { gsub(".c$",   ".o", $0); print $0; }' 2>/dev/null
Result: 'a.o b.o c.o '
checking awk... awk
detecting OS... OSX
executing gcc-4.2 -dumpmachine
  returned i686-apple-darwin11
  exit code 0
checking build system type... i686-apple-darwin11
executing gcc-4.2 -dumpmachine
  returned i686-apple-darwin11
  exit code 0
checking host system type... i686-apple-darwin11
checking universal build... no
checking build cc... gcc-4.2
checking host cc... gcc-4.2
checking build c++... CC/CXX not set (skipping)
executing g++ -dumpmachine
  returned i686-apple-darwin11
  exit code 0
checking build c++... g++
checking host c++... CC/CXX not set (skipping)
executing g++ -dumpmachine
  returned i686-apple-darwin11
  exit code 0
checking host c++... g++
checking strip... disabled
checking builtin depend... yes
checking makedepend... disabled
executing g++  tmp.64bit.cpp -o tmp.64bit -DTESTING 2>&1
  returned
  exit code 0
detecting cpu-type... 64 bits
checking static... no
checking unicode... no
using debug level... no
using desync debug level... no
using link time optimization... no
checking OSX sysroot... no (use system default)
checking Allegro... OSX, skipping
checking SDL... OSX, skipping
checking COCOA... found
checking whether to enable the Quartz window subdriver... yes
checking Quickdraw window subdriver... disabled (64 bits)
checking GDI video driver... not Windows, skipping
checking dedicated... not selected
checking console application... not Windows, skipping
checking network... found
checking ai... found
checking translator... no
checking assert... enabled
detecting zlib
  trying /usr/include/zlib.h... found
checking zlib... found
executing pkg-config liblzma --modversion
  returned
  exit code 1
checking liblzma... not found
WARNING: lzma was not detected or disabled
WARNING: OpenTTD doesn't require lzma, but it does mean that many features
WARNING: (like loading most savegames/scenarios and joining most servers)
WARNING: will be disabled.
 If you want to compile without lzma use --without-lzma as parameter