GitX fails to build on 10.6 Snow Leopard

[issaco@…]

--->  Verifying checksum(s) for GitX
--->  Extracting GitX
--->  Configuring GitX
--->  Building GitX
Error: Target org.macports.build returned: shell command "cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_GitX/work/GitX-0.6.3" && xcodebuild  -target "GitX" -configuration Deployment build OBJROOT=build/ SYMROOT=build/ MACOSX_DEPLOYMENT_TARGET=10.6 ARCHS=x86_64 SDKROOT= " returned error 1
Command output:     setenv USER root
    setenv USER_APPS_DIR /Users/issaco/Applications
    setenv USER_LIBRARY_DIR /Users/issaco/Library
    setenv USE_DYNAMIC_NO_PIC YES
    setenv USE_HEADERMAP YES
    setenv USE_HEADER_SYMLINKS NO
    setenv VALID_ARCHS "i386 ppc ppc64 ppc7400 ppc970 x86_64"
    setenv VERBOSE_PBXCP NO
    setenv VERSIONPLIST_PATH GitX.app/Contents/version.plist
    setenv VERSION_INFO_BUILDER root
    setenv VERSION_INFO_FILE GitX_vers.c
    setenv VERSION_INFO_STRING "\"@(#)PROGRAM:GitX  PROJECT:GitX-\""
    setenv WRAPPER_EXTENSION app
    setenv WRAPPER_NAME GitX.app
    setenv WRAPPER_SUFFIX .app
    setenv XCODE_APP_SUPPORT_DIR /Developer/Library/Xcode
    setenv XCODE_VERSION_ACTUAL 0320
    setenv XCODE_VERSION_MAJOR 0300
    setenv XCODE_VERSION_MINOR 0320
    setenv YACC /Developer/usr/bin/yacc
    /bin/sh -c /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_GitX/work/GitX-0.6.3/build/GitX.build/Release/GitX.build/Script-F5CF04A20EAE696C00D75C81.sh

** BUILD FAILED **


The following build commands failed:
GitX:
	Ld /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_GitX/work/GitX-0.6.3/build/Release/GitX.app/Contents/MacOS/GitX normal x86_64
(1 failure)


Error: Status 1 encountered during processing.