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06cd0f1a32
Interfaced a lot of the custom tests to the config.cache, in the process made them separate macros and grouped them out into files. Made naming adjustments. Removed a couple of useless/unused configure tests. Disabled C++ by default. C++ is no more special than Perl, Python, and Tcl. And it breaks equally often. :(
66 lines
2.5 KiB
Plaintext
66 lines
2.5 KiB
Plaintext
# $Header: /cvsroot/pgsql/config/ac_func_accept_argtypes.m4,v 1.1 2000/06/11 11:39:46 petere Exp $
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# This comes from the official Autoconf macro archive at
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# <http://research.cys.de/autoconf-archive/>
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# (I removed the $ before the Id CVS keyword below.)
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dnl @synopsis AC_FUNC_ACCEPT_ARGTYPES
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dnl
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dnl Checks the data types of the three arguments to accept(). Results are
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dnl placed into the symbols ACCEPT_TYPE_ARG[123], consistent with the
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dnl following example:
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dnl
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dnl #define ACCEPT_TYPE_ARG1 int
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dnl #define ACCEPT_TYPE_ARG2 struct sockaddr *
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dnl #define ACCEPT_TYPE_ARG3 socklen_t
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dnl
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dnl This macro requires AC_CHECK_HEADERS to have already verified the
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dnl presence or absence of sys/types.h and sys/socket.h.
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dnl
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dnl NOTE: This is just a modified version of the AC_FUNC_SELECT_ARGTYPES
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dnl macro. Credit for that one goes to David MacKenzie et. al.
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dnl
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dnl @version Id: ac_func_accept_argtypes.m4,v 1.1 1999/12/03 11:29:29 simons Exp $
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dnl @author Daniel Richard G. <skunk@mit.edu>
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dnl
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# PostgreSQL local changes: In the original version ACCEPT_TYPE_ARG3
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# is a pointer type. That's kind of useless because then you can't
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# use the macro to define a corresponding variable. We also make the
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# reasonable(?) assumption that you can use arg3 for getsocktype etc.
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# as well (i.e., anywhere POSIX.2 has socklen_t).
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AC_DEFUN(AC_FUNC_ACCEPT_ARGTYPES,
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[AC_MSG_CHECKING([types of arguments for accept()])
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AC_CACHE_VAL(ac_cv_func_accept_arg1,dnl
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[AC_CACHE_VAL(ac_cv_func_accept_arg2,dnl
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[AC_CACHE_VAL(ac_cv_func_accept_arg3,dnl
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[for ac_cv_func_accept_arg1 in 'int' 'unsigned int'; do
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for ac_cv_func_accept_arg2 in 'struct sockaddr *' 'void *'; do
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for ac_cv_func_accept_arg3 in 'socklen_t' 'size_t' 'unsigned int' 'int'; do
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AC_TRY_COMPILE(dnl
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[#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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extern accept ($ac_cv_func_accept_arg1, $ac_cv_func_accept_arg2, $ac_cv_func_accept_arg3 *);],,dnl
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[ac_not_found=no ; break 3], ac_not_found=yes)
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done
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done
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done
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])dnl AC_CACHE_VAL
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])dnl AC_CACHE_VAL
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])dnl AC_CACHE_VAL
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if test "$ac_not_found" = yes; then
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ac_cv_func_accept_arg1=int
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ac_cv_func_accept_arg2='struct sockaddr *'
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ac_cv_func_accept_arg3='socklen_t'
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fi
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AC_MSG_RESULT([$ac_cv_func_accept_arg1, $ac_cv_func_accept_arg2, $ac_cv_func_accept_arg3 *])
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AC_DEFINE_UNQUOTED(ACCEPT_TYPE_ARG1,$ac_cv_func_accept_arg1)
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AC_DEFINE_UNQUOTED(ACCEPT_TYPE_ARG2,$ac_cv_func_accept_arg2)
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AC_DEFINE_UNQUOTED(ACCEPT_TYPE_ARG3,$ac_cv_func_accept_arg3)
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])
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