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4a2a66e4
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2011-04-25T19:45:09
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dup2: Remove check for dup2, unless supporting old obsolete platforms.
* modules/dup2-obsolete: New file.
* m4/dup2-obsolete.m4: New file.
* m4/dup2.m4 (gl_FUNC_DUP2): Don't check whether dup2 exists if
gl_FUNC_DUP2_OBSOLETE is not also defined.
* modules/dup2 (Depends-on): Add dup2-obsolete.
* doc/posix-functions/dup2.texi: Mention module dup2-obsolete.
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