1
dnl Available from the GNU Autoconf Macro Archive at:
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dnl http://www.gnu.org/software/ac-archive/htmldoc/vl_check_sign.html
4
AC_DEFUN([VL_CHECK_SIGN], [
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typename=`echo $1 | sed "s/@<:@^a-zA-Z0-9_@:>@/_/g"`
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AC_CACHE_CHECK([whether $1 is signed], vl_cv_decl_${typename}_signed, [
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[ int foo @<:@ 1 - 2 * !((($1) -1) < 0) @:>@ ],
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[ eval "vl_cv_decl_${typename}_signed=\"yes\"" ],
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[ eval "vl_cv_decl_${typename}_signed=\"no\"" ])])
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symbolname=`echo $1 | sed "s/@<:@^a-zA-Z0-9_@:>@/_/g" | tr "a-z" "A-Z"`
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if eval "test \"\${vl_cv_decl_${typename}_signed}\" = \"yes\""; then
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elif eval "test \"\${vl_cv_decl_${typename}_signed}\" = \"no\""; then
added
removed
m4source/vl_check_sign.m4
