Commit cfcb5fc6b95ca04bd3c8637d4027641d07c15cbe
2020-07-08T02:52:09
dup2: Remove support for some very old platforms. * m4/dup2-obsolete.m4: Remove file. * modules/dup2-obsolete: Remove file. * m4/dup2.m4 (gl_FUNC_DUP2): Assume module 'dup2-obsolete' is absent. Don't define HAVE_DUP2. * lib/unistd.in.h (dup2): Assume HAVE_DUP2 is 1. * lib/dup2.c: Likewise. * modules/dup2 (Depends-on, configure.ac): Likewise. (Depends-on): Remove dup2-obsolete. * m4/unistd_h.m4 (gl_UNISTD_H_DEFAULTS): Don't initialize HAVE_DUP2. * modules/unistd (Makefile.am): Don't substitute HAVE_DUP2. * doc/posix-functions/dup2.texi: Don't mention module 'dup2-obsolete'.