Sanity.gmk in the Tiger's j2se workspace has the following incorrect error messages:
ifeq ($(PLATFORM), windows)
  ifeq ($(ARCH_DATA_MODEL), 32)
        @#
        @# Check windows compiler type
        @#
        @if [ ! "x$(CC_TYPE)" = "x$(REQUIRED_CCTYPE)" ]; then \
          $(ECHO) "ERROR: To build Java 2 SDK 1.4 you need : \n" \
            " $(COMPILER_NAME) - cl.exe type \"$(REQUIRED_CCTYPE)\" \n" \
            " You are using Compiler type \"$(CC_TYPE)\" \n" \
            " Please install the required version of Visual C++ and start
your build again. \n" \
            "" >> $(ERROR_FILE) ; \
        fi
  endif
        @#
        @# Check the version of Visual C++ cl.exe by parsing off the version
number from the banner
        @#
        @if [ ! "x$(CC_VER)" = "x$(REQUIRED_CCVER)" ]; then \
          $(ECHO) "ERROR: To build Java 2 SDK 1.4 you need : \n" \
            " $(COMPILER_NAME) - cl.exe version \"$(REQUIRED_CCVER)\" \n" \
            " You are using Compiler version \"$(CC_VER)\" \n" \
            " Please install the required version of Visual C++ and start
your build again. \n" \
            "" >> $(ERROR_FILE) ; \
        fi
        @#
        @# Check the version of Visual C++ link.exe by parsing off the version
number from the banner
        @#
        @if [ ! "x$(LINK_VER)" = "x$(REQUIRED_LINKVER)" ]; then \
          $(ECHO) "ERROR: To build Java 2 SDK 1.4 you need : \n" \
###@###.### 2004-11-11 04:33:10 GMT

Please also check the Sanity.gmk files in other workspaces as well.
Fix them if needed.
###@###.### 2004-11-11 22:53:20 GMT