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configure - m4: make CURL_CHECK_DEF ignore leading whitespace on symbol def

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When using Sun C compiler the preprocessor somehow inserts an extra space
in front of replaced symbol, breaking CURL_CHECK_DEF macro. To workaround
this, macro CURL_CHECK_DEF now ignores all leading whitespace in front of
symbol substitution result.
This commit is contained in:
Albert Chin 2011-09-27 21:59:18 +02:00 committed by Yang Tse
parent b4fccc1d8e
commit a2d4a98ddd
1 changed files with 1 additions and 1 deletions
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acinclude.m4
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@ -51,7 +51,7 @@ 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" 's/.*CURL_DEF_TOKEN[[ ]][[ ]]*//' 2>/dev/null | \
"$SED" 's/[["]][[ ]]*[["]]//g' 2>/dev/null`
if test -z "$tmp_exp" || test "$tmp_exp" = "$1"; then
tmp_exp=""