2001-08-29 14:35:15 +00:00
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AC_DEFUN(hs_ULONG_CONST,
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[ AC_EGREP_CPP(Circus,
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[#define ACAT(a,b)a ## b
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ACAT(Cir,cus)
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], AC_DEFINE([ULONG_CONST(a)], [a ## UL]),
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AC_EGREP_CPP(Reiser,
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[#define RCAT(a,b)a/**/b
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RCAT(Rei,ser)
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], AC_DEFINE([ULONG_CONST(a)], [a/**/L]),
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AC_MSG_ERROR([How do we create an unsigned long constant?])))])
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dnl @synopsis AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION])
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dnl
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dnl This macro defines (with AC_DEFINE) VARNAME to the expansion of the DIR
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dnl variable, taking care of fixing up ${prefix} and such.
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dnl
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dnl Note that the 3 argument form is only supported with autoconf 2.13 and
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dnl later (i.e. only where AC_DEFINE supports 3 arguments).
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dnl
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dnl Examples:
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dnl
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dnl AC_DEFINE_DIR(DATADIR, datadir)
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dnl AC_DEFINE_DIR(PROG_PATH, bindir, [Location of installed binaries])
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dnl
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2002-10-29 19:58:12 +00:00
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dnl @version $Id$
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2001-08-29 14:35:15 +00:00
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dnl @author Alexandre Oliva <oliva@lsd.ic.unicamp.br>
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AC_DEFUN(AC_DEFINE_DIR, [
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ac_expanded=`(
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test "x$prefix" = xNONE && prefix="$ac_default_prefix"
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test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
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eval echo \""[$]$2"\"
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)`
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ifelse($3, ,
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AC_DEFINE_UNQUOTED($1, "$ac_expanded"),
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AC_DEFINE_UNQUOTED($1, "$ac_expanded", $3))
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])
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