configure - m4: make CURL_CHECK_DEF ignore leading whitespace on symbol def
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.
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@ -30,7 +30,7 @@ CURL_DEF_TOKEN $1
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tmp_exp=`eval "$ac_cpp conftest.$ac_ext" 2>/dev/null | \
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"$GREP" CURL_DEF_TOKEN 2>/dev/null | \
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"$SED" 's/.*CURL_DEF_TOKEN[[ ]]//' 2>/dev/null | \
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"$SED" 's/.*CURL_DEF_TOKEN[[ ]][[ ]]*//' 2>/dev/null | \
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"$SED" 's/[["]][[ ]]*[["]]//g' 2>/dev/null`
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if test -z "$tmp_exp" || test "$tmp_exp" = "$1"; then
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tmp_exp=""
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