HappenLee commented on a change in pull request #3626:
URL: https://github.com/apache/incubator-doris/pull/3626#discussion_r427247372
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File path: env.sh
##########
@@ -55,12 +55,19 @@ if [[ -z ${DORIS_GCC_HOME} ]]; then
fi
gcc_ver=`${DORIS_GCC_HOME}/bin/gcc -dumpfullversion -dumpversion`
-required_ver="5.3.1"
+required_ver="7.1.0"
if [[ ! "$(printf '%s\n' "$required_ver" "$gcc_ver" | sort -V | head -n1)" =
"$required_ver" ]]; then
echo "Error: GCC version (${gcc_ver}) must be greater than or equal to
${required_ver}"
exit 1
fi
+flex_ver=`flex --version | awk '{print $2}'`
Review comment:
Because the C++ code generated by flex uses the keyword ```register```.
From C++11 deprecated the ```register``` keyword.
In C++17 forbidden use ```register``` keyword. flex fix the problem after
2.6.0 version.
reference: https://github.com/westes/flex/issues/132
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