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Glasgow Haskell Compiler
GHC
Commits
171f6386
Commit
171f6386
authored
Jan 07, 2013
by
singpolyma
Committed by
Simon Marlow
Jan 16, 2013
Browse files
Possible fix for detecting Float/Double
parent
6c0743c4
Changes
1
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Inline
Side-by-side
libraries/base/aclocal.m4
View file @
171f6386
...
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@@ -126,49 +126,47 @@ AC_DEFUN([FPTOOLS_CHECK_HTYPE_ELSE],[
AC_CACHE_VAL(AC_CV_NAME,[
AC_CV_NAME_supported=yes
FP_COMPUTE_INT([HTYPE_IS_INTEGRAL],
[(($1)((int)(($1)1.4))) == (($1)1.4)],
[FPTOOLS_HTYPE_INCLUDES],[AC_CV_NAME_supported=no])
if test "$AC_CV_NAME_supported" = "yes"
[($1)1.4],
[FPTOOLS_HTYPE_INCLUDES],[HTYPE_IS_INTEGRAL=0])
if test "$HTYPE_IS_INTEGRAL" -eq 0
then
if test "$HTYPE_IS_INTEGRAL" -eq 0
FP_COMPUTE_INT([HTYPE_IS_FLOAT],[sizeof($1) == sizeof(float)],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
FP_COMPUTE_INT([HTYPE_IS_DOUBLE],[sizeof($1) == sizeof(double)],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
FP_COMPUTE_INT([HTYPE_IS_LDOUBLE],[sizeof($1) == sizeof(long double)],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
if test "$HTYPE_IS_FLOAT" -eq 1
then
AC_CV_NAME=Float
elif test "$HTYPE_IS_DOUBLE" -eq 1
then
FP_COMPUTE_INT([HTYPE_IS_FLOAT],[sizeof($1) == sizeof(float)],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
FP_COMPUTE_INT([HTYPE_IS_DOUBLE],[sizeof($1) == sizeof(double)],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
FP_COMPUTE_INT([HTYPE_IS_LDOUBLE],[sizeof($1) == sizeof(long double)],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
if test "$HTYPE_IS_FLOAT" -eq 1
then
AC_CV_NAME=Float
elif test "$HTYPE_IS_DOUBLE" -eq 1
then
AC_CV_NAME=Double
elif test "$HTYPE_IS_LDOUBLE" -eq 1
then
AC_CV_NAME=LDouble
else
AC_CV_NAME_supported=no
fi
AC_CV_NAME=Double
elif test "$HTYPE_IS_LDOUBLE" -eq 1
then
AC_CV_NAME=LDouble
else
FP_COMPUTE_INT([HTYPE_IS_SIGNED],[(($1)(-1)) < (($1)0)],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
FP_COMPUTE_INT([HTYPE_SIZE],[sizeof($1) * 8],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
if test "$HTYPE_IS_SIGNED" -eq 0
then
AC_CV_NAME="Word$HTYPE_SIZE"
else
AC_CV_NAME="Int$HTYPE_SIZE"
fi
AC_CV_NAME_supported=no
fi
else
FP_COMPUTE_INT([HTYPE_IS_SIGNED],[(($1)(-1)) < (($1)0)],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
FP_COMPUTE_INT([HTYPE_SIZE],[sizeof($1) * 8],
[FPTOOLS_HTYPE_INCLUDES],
[AC_CV_NAME_supported=no])
if test "$HTYPE_IS_SIGNED" -eq 0
then
AC_CV_NAME="Word$HTYPE_SIZE"
else
AC_CV_NAME="Int$HTYPE_SIZE"
fi
fi
])
])
if test "$AC_CV_NAME_supported" = no
then
$2
...
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