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src/m4/cc-ema.m4

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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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AC_DEFUN([CL_CC_NEED_DEEMA],

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[AC_REQUIRE([AC_PROG_CPP])

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AC_CACHE_CHECK(whether CPP likes empty macro arguments, cl_cv_prog_cc_ema, [

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AC_TRY_CPP([#define divide(x,y,q_zuw,r_zuw) (r_zuw(x)-(q_zuw(x)/(y))*(y))

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foo(x,y) int x,y; { int q; divide(x,y,q=,); return q; }],

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cl_cv_prog_cc_ema=yes, cl_cv_prog_cc_ema=no)

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])

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if test $cl_cv_prog_cc_ema = yes; then

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  CC_NEED_DEEMA=false

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else

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  CC_NEED_DEEMA=true

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fi

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AC_SUBST(CC_NEED_DEEMA)dnl

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])

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