DO NOT REPLY [Bug 29612] New: - Build fails if no ICUROOT set

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http://issues.apache.org/bugzilla/show_bug.cgi?id=29612

Build fails if no ICUROOT set

           Summary: Build fails if no ICUROOT set
           Product: XalanC
           Version: 1.8
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: XalanC
        AssignedTo: xalan-dev@xml.apache.org
        ReportedBy: pete.forman@westerngeco.com


Context: The OS has gcc/3.3 as the default.  However I'm using gcc/3.4 to build 
Xalan with LD_LIBRARY_PATH, etc. set appropriately.

Problem: executing MsgCreator under make gives an error about /lib/libgcc_s.so 
being version 3.3.

Diagnosis: there is this line in the LINUX section of Makefile.incl:
  export LD_LIBRARY_PATH := $(XERCESCROOT)/lib:$(ICUROOT)/lib:$(LD_LIBRARY_PATH)
ICUROOT is not set, so the exported LD_LIBRARY_PATH gets a /lib component ahead 
of the desired components.  The wrong version of libgcc_s.so is found in /lib.

Workaround: 'make ICUROOT=/dev/null' injects a /dev/null/lib path component 
instead and the correct version of libgcc_s.so is found.

Suggested fix: rewrite the export LD_... and the ifdef just before it.

  ifdef XALAN_USE_ICU
    ...
    LD_ICU = $(ICUROOT)/lib:
  endif
  ...
  export LD_LIBRARY_PATH := $(XERCESCROOT)/lib:$(LD_ICU)$(LD_LIBRARY_PATH)

Alternatively add an else clause and use two export LD_... statements.

A similar fix is needed for other platforms; export LIB_PATH, etc.

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