Configure: fixed clang detection on MINIX.
As per POSIX, basic regular expressions have no alternations, and the interpretation of the "\|" construct is undefined. At least on MINIX and Solaris grep interprets "\|" as literal "|", and not as an alternation as GNU grep does. Removed such constructs introduced in f1daa0356a1d. This fixes clang detection on MINIX.
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@ -5,7 +5,7 @@
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# clang
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NGX_CLANG_VER=`$CC -v 2>&1 | grep '\(clang\|LLVM\) version' 2>&1 \
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NGX_CLANG_VER=`$CC -v 2>&1 | grep 'version' 2>&1 \
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| sed -e 's/^.* version \(.*\)/\1/'`
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echo " + clang version: $NGX_CLANG_VER"
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@ -44,7 +44,11 @@ elif `$CC -v 2>&1 | grep 'gcc version' >/dev/null 2>&1`; then
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NGX_CC_NAME=gcc
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echo " + using GNU C compiler"
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elif `$CC -v 2>&1 | grep '\(clang\|LLVM\) version' >/dev/null 2>&1`; then
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elif `$CC -v 2>&1 | grep 'clang version' >/dev/null 2>&1`; then
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NGX_CC_NAME=clang
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echo " + using Clang C compiler"
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elif `$CC -v 2>&1 | grep 'LLVM version' >/dev/null 2>&1`; then
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NGX_CC_NAME=clang
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echo " + using Clang C compiler"
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