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Fix CURL_CHECK_DEF so that when the expansion of the preprocessor symbol results

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in a set of double-quoted strings, this macro will now return an expansion which
consists of a single double-quoted string result of concatenating all of them.
This commit is contained in:
Yang Tse 2008-08-07 16:07:26 +00:00
parent 25c76a760e
commit ddfa33be79
2 changed files with 9 additions and 2 deletions
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6
acinclude.m4
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@ -74,7 +74,9 @@ dnl -------------------------------------------------
dnl Use the C preprocessor to find out if the given object-style symbol
dnl is defined and get its expansion. This macro will not use default
dnl includes even if no INCLUDES argument is given. This macro will run
dnl silently when invoked with three arguments.
dnl silently when invoked with three arguments. If the expansion would
dnl result in a set of double-quoted strings the returned expansion will
dnl actually be a single double-quoted string concatenating all them.
AC_DEFUN([CURL_CHECK_DEF], [
AS_VAR_PUSHDEF([ac_HaveDef], [curl_cv_have_def_$1])dnl
@ -98,7 +100,7 @@ CURL_DEF_TOKEN $1
tmp_exp=`eval "$ac_cpp conftest.$ac_ext" 2>/dev/null | \
"$GREP" CURL_DEF_TOKEN 2>/dev/null | \
"$SED" 's/.*CURL_DEF_TOKEN[[ ]]//' 2>/dev/null | \
"$SED" 'q' 2>/dev/null`
"$SED" 's/[["]][[ ]]*[["]]//g' 2>/dev/null`
if test "$tmp_exp" = "$1"; then
tmp_exp=""
fi