Support for conditional dependencies.

[gnulib.git] / ChangeLog

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@@ -1,3 +1,29 @@
+2011-05-03  Bruno Haible  <bruno@clisp.org>
+
+       Support for conditional dependencies.
+       * doc/gnulib.texi (Module description): Document the syntax of
+       conditional dependencies.
+       * gnulib-tool: New option --conditional-dependencies.
+       (func_usage): Document it.
+       (cond_dependencies): New variable.
+       (func_get_automake_snippet_conditional,
+       func_get_automake_snippet_unconditional): New functions, extracted from
+       func_get_automake_snippet.
+       (func_get_automake_snippet): Use them.
+       (sed_first_32_chars): New variable.
+       (func_module_shellfunc_name): New function.
+       (func_module_shellvar_name): New function.
+       (func_module_conditional_name): New function.
+       (func_uncond_add_module, func_conddep_add_module, func_cond_module_p,
+       func_cond_module_condition): New functions.
+       (func_modules_transitive_closure): Add support for conditional
+       dependencies.
+       (func_emit_lib_Makefile_am): For a conditional module, enclose the
+       conditional automake snippet in an automake conditional.
+       (func_emit_autoconf_snippets): Emit shell functions that contain the
+       code for conditional modules.
+       (func_import, func_create_testdir): Update specification.
+
 2011-05-03  Eric Blake  <eblake@redhat.com>
 
        test-getaddrinfo: report error information