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b2bc6e4ad6
--enable-libcpp to projects/sample. Patch by Dmitri Shubin with additional fixes by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153425 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.3 KiB
Plaintext
37 lines
1.3 KiB
Plaintext
#
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# This function determins if the the isinf function isavailable on this
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# platform.
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#
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AC_DEFUN([AC_FUNC_ISINF],[
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AC_SINGLE_CXX_CHECK([ac_cv_func_isinf_in_math_h],
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[isinf], [<math.h>],
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[float f; isinf(f);])
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if test "$ac_cv_func_isinf_in_math_h" = "yes" ; then
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AC_DEFINE([HAVE_ISINF_IN_MATH_H],1,[Set to 1 if the isinf function is found in <math.h>])
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fi
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AC_SINGLE_CXX_CHECK([ac_cv_func_isinf_in_cmath],
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[isinf], [<cmath>],
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[float f; isinf(f);])
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if test "$ac_cv_func_isinf_in_cmath" = "yes" ; then
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AC_DEFINE([HAVE_ISINF_IN_CMATH],1,[Set to 1 if the isinf function is found in <cmath>])
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fi
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AC_SINGLE_CXX_CHECK([ac_cv_func_std_isinf_in_cmath],
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[std::isinf], [<cmath>],
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[float f; std::isinf(f);])
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if test "$ac_cv_func_std_isinf_in_cmath" = "yes" ; then
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AC_DEFINE([HAVE_STD_ISINF_IN_CMATH],1,[Set to 1 if the std::isinf function is found in <cmath>])
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fi
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AC_SINGLE_CXX_CHECK([ac_cv_func_finite_in_ieeefp_h],
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[finite], [<ieeefp.h>],
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[float f; finite(f);])
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if test "$ac_cv_func_finite_in_ieeefp_h" = "yes" ; then
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AC_DEFINE([HAVE_FINITE_IN_IEEEFP_H],1,[Set to 1 if the finite function is found in <ieeefp.h>])
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fi
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])
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