kc3-lang/gnulib/tests/havelib/README

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• Hash : 1fe92775
  Author :
  Date : 2010-04-02T18:09:43
  

  Tests for module 'havelib', moved here from GNU gettext.
  

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• tests/havelib/README

• Tests for config.rpath and lib-link.m4.
  
  rpath-1 w
          |
          +---- a = static, b = shared
  
  rpath-2 u v w
          | | |
          | | +---- a = static/static, b = static/shared,
          | |       c = shared/static, d = shared/shared.
          | |
          | +------ a = all libraries and the program have the same prefix,
          |         b = the libraries are in different directories.
          |
          +-------- a = all shared libraries use the libtool *.la files for
                    resolving dependencies, b = dependencies are given as
                    AC_LIB_LINKFLAGS argument instead.
  
  rpath-3 u v w
          | | |
          | | +---- a = static/static/static, b = static/static/shared,
          | |       c = static/shared/static, d = static/shared/shared,
          | |       e = shared/static/static, f = shared/static/shared,
          | |       g = shared/shared/static, h = shared/shared/shared.
          | |
          | +------ a = all libraries and the program have the same prefix,
          |         b = the libraries are in different directories.
          |
          +-------- a = all shared libraries use the libtool *.la files for
                    resolving dependencies, b = dependencies are given as
                    AC_LIB_LINKFLAGS argument instead.
  
  The rpath-2* tests are sensitive to
    - incomplete shared library support in the system,
    - bugs in libtool that creates the shared libraries,
    - bugs in lib-link.m4.
  
  The rpath-3* tests are sensitive to
    - incomplete shared library support in the system,
    - bugs in libtool that creates the shared libraries.
  
  Known failures:
  
  * On all platforms supporting shared libraries,
      rpath-3aae rpath-3aag
      rpath-3abe rpath-3abg
    fail. This is a libtool 1.4.2 bug: When a shared library depends on a
    static library indirectly through two different dependency paths,
    libtool attempts to link together invalid sets of object files.
  
  * OSF/1 4.0: the tests
      rpath-2bbd
      rpath-3bbd rpath-3bbf rpath-3bbg rpath-3bbh
    fail, because -rpath options are not cumulative:
    The last -rpath option overrides all previous ones. One would need to
    pass all directories, separated by colons, in a single -rpath option.
  
  * On Linux/x86_64: the tests
      rpath-2aac rpath-2abc rpath-2bac rpath-2bbc
      rpath-3aac rpath-3aaf rpath-3abc rpath-3abf
      rpath-3bac rpath-3bae rpath-3baf rpath-3bag
      rpath-3bbc rpath-3bbe rpath-3bbf rpath-3bbg
    fail, because code from static libraries not compiled with -fPIC cannot
    be integrated into shared libraries: linker error about relocations.
  
  * Solaris: the tests
      rpath-3bae rpath-3bbe
      rpath-3aaf rpath-3abf
      rpath-3baf rpath-3bbf
    fail, because code from static libraries not compiled with -fPIC cannot
    be integrated into shared libraries: linker error "Text relocation remains".
  
  * Cygwin: The tests
      rpath-2aac rpath-2abc
      rpath-3aac rpath-3aaf
      rpath-3abc rpath-3abf
    fail.
  

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