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0a1d01aeae
While trying to modify Emacs to use gnulib's socklen module, I discovered a circular dependency: socklen depends on sys_socket and vice versa. Emacs can use socklen, but it does not need sys_socket because it has its own substitute for sys/socket.h. * m4/socklen.m4 (gl_SOCKET_HEADERS): New macro, extracted from gl_TYPE_SOCKLEN_T. (gl_CHECK_SOCKET_HEADERS): New macro, taken from parts of gl_PREREQ_SYS_H_SOCKET. (gl_TYPE_SOCKLEN_T): Require it instead of requiring gl_PREREQ_SYS_H_SOCKET. * m4/sys_socket_h.m4 (gl_PREREQ_SYS_H_SOCKET): Require gl_CHECK_SOCKET_HEADERS instead of doing its work ourselves. * modules/socklen (Depends-on): Do not depend on sys_socket. (Include): Adjust to match the code used in gl_SOCKET_HEADERS.
27 lines
337 B
Plaintext
27 lines
337 B
Plaintext
Description:
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Declare socklen_t in config.h if the system doesn't have it.
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Files:
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m4/socklen.m4
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Depends-on:
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configure.ac:
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gl_TYPE_SOCKLEN_T
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Makefile.am:
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Include:
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#include <sys/types.h>
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#if HAVE_SYS_SOCKET_H
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# include <sys/socket.h>
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#elif HAVE_WS2TCPIP_H
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# include <ws2tcpip.h>
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#endif
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License:
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unlimited
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Maintainer:
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Simon Josefsson
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