45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
dnl Copyright (C) 1993-2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Bruno Haible, Marcus Daniels.
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AC_PREREQ(2.13)
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dnl CL_PROTO(IDENTIFIER, ACTION-IF-NOT-FOUND, FINAL-PROTOTYPE)
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AC_DEFUN([CL_PROTO],
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[AC_MSG_CHECKING([for $1 declaration])
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AC_CACHE_VAL(cl_cv_proto_[$1], [$2
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cl_cv_proto_$1="$3"])
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cl_cv_proto_$1=`echo "[$]cl_cv_proto_$1" | tr -s ' ' | sed -e 's/( /(/'`
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AC_MSG_RESULT([$]{ac_t:-
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}[$]cl_cv_proto_$1)
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])
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dnl CL_PROTO_RET(INCLUDES, DECL, CACHE-ID, TYPE-IF-OK, TYPE-IF-FAILS)
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AC_DEFUN([CL_PROTO_RET],
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[AC_TRY_COMPILE([$1]
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AC_LANG_EXTERN[$2
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], [], $3="$4", $3="$5")
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])
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dnl CL_PROTO_TRY(INCLUDES, ANSI-DECL, TRAD-DECL, ACTION-IF-OK, ACTION-IF-FAILS)
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AC_DEFUN([CL_PROTO_TRY],
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[AC_TRY_COMPILE([$1]
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AC_LANG_EXTERN
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[#if defined(__STDC__) || defined(__cplusplus)
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$2
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#else
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$3
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#endif
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], [], [$4], [$5])
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])
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dnl CL_PROTO_CONST(INCLUDES, ANSI-DECL, TRAD-DECL, CACHE-ID)
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AC_DEFUN([CL_PROTO_CONST],
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[CL_PROTO_TRY([$1], [$2], [$3], $4="", $4="const")]
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)
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