macvim fails to compile with hacked apple CLI tools installed

gistfile1.txt

➜  osx-gcc  brew install macvim                                  
Warning: We couldn't detect any version of Xcode.
If you downloaded Xcode from the App Store, you may need to run the installer.
sh: - : invalid option
sh: - : invalid option
==> Downloading https://github.com/b4winckler/macvim/tarball/snapshot-64
Already downloaded: /Library/Caches/Homebrew/macvim-7.3-64.tgz
==> ./configure --with-features=huge --with-tlib=ncurses --enable-multibyte --with-macarchs=x86_64 --enable-perlinterp --enable-pythoninterp --enable-rubyinterp --enable-tclinterp
==> make getenvy
==> make
Starting make in the src directory.
If there are problems, cd to the src directory and run make there
cd src && make first
mkdir objects
CC="gcc -Iproto -DHAVE_CONFIG_H   -isystem /usr/local/include -DMACOS_X_UNIX -no-cpp-precomp    -I/System/Library/Frameworks/Tcl.framework/Headers  -D_REENTRANT=1  -D_THREAD_SAFE=1  -D_DARWIN_C_SOURCE=1  " srcdir=. sh ./osdef.sh
creating auto/pathdef.c
/usr/bin/perl -e 'unless ( $] >= 5.005 ) { for (qw(na defgv errgv)) { print "#define PL_$_ $_\n" }}' > auto/if_perl.c
gcc -c -I. -Iproto -DHAVE_CONFIG_H   -isystem /usr/local/include -DMACOS_X_UNIX -no-cpp-precomp  -g -O2 -arch x86_64 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1     -I/System/Library/Frameworks/Tcl.framework/Headers  -D_REENTRANT=1  -D_THREAD_SAFE=1  -D_DARWIN_C_SOURCE=1   -o objects/os_macosx.o os_macosx.m
gcc -c -I. -Iproto -DHAVE_CONFIG_H   -isystem /usr/local/include -DMACOS_X_UNIX -no-cpp-precomp  -g -O2 -arch x86_64 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1     -I/System/Library/Frameworks/Tcl.framework/Headers  -D_REENTRANT=1  -D_THREAD_SAFE=1  -D_DARWIN_C_SOURCE=1   -o objects/os_mac_conv.o os_mac_conv.c
gcc -c -I. -Iproto -DHAVE_CONFIG_H   -isystem /usr/local/include -DMACOS_X_UNIX -no-cpp-precomp  -g -O2 -arch x86_64 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1     -I/System/Library/Frameworks/Tcl.framework/Headers  -D_REENTRANT=1  -D_THREAD_SAFE=1  -D_DARWIN_C_SOURCE=1   -o objects/netbeans.o netbeans.c
In file included from /System/Library/Frameworks/AppKit.framework/Headers/NSColor.h:36,
                 from /System/Library/Frameworks/AppKit.framework/Headers/AppKit.h:37,
                 from /System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h:13,
                 from os_macosx.m:24:
/System/Library/Frameworks/QuartzCore.framework/Headers/CIColor.h:1:74: error: QuartzCore/../Frameworks/CoreImage.framework/Headers/CIColor.h: No such file or directory
In file included from /System/Library/Frameworks/AppKit.framework/Headers/AppKit.h:37,
                 from /System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h:13,
                 from os_macosx.m:24:
/System/Library/Frameworks/AppKit.framework/Headers/NSColor.h:269: error: expected ‘)’ before ‘CIColor’
/System/Library/Frameworks/AppKit.framework/Headers/NSColor.h:273: error: cannot find interface declaration for ‘CIColor’
make[1]: *** [objects/os_macosx.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [first] Error 2
==> Build Environment
HOMEBREW_VERSION: 0.9.2
HEAD: 3870c933216bd5f3a35c779015ea3b8d0a2ac07f
CPU: dual-core 64-bit penryn
OS X: 10.6.8-x86_64
Xcode: 4.4 (guessed)
CLT: 4.4.0.0.1.1249367152
X11: 2.3.6 @ /usr/X11
LD: /usr/bin/clang
CPPFLAGS: -isystem /usr/local/include
LDFLAGS: -L/usr/local/lib
MACOSX_DEPLOYMENT_TARGET: 10.6
MAKEFLAGS: -j2
Error: Failed executing: make (macvim.rb:68)
If `brew doctor` does not, this may help you fix or report the issue:
    https://github.com/mxcl/homebrew/wiki/bug-fixing-checklist
➜  osx-gcc