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Handle GCC versions after 9 

This simplifies the interpretation of GCC versions, and handles all
versions greater than 4, hopefully for good.

Fixes: #590
Signed-off-by: Stephen Kitt <steve@sk2.org>
This commit is contained in:
Stephen Kitt 2020-03-10 11:45:04 +01:00 committed by Stephen Anthony
parent 456c05a0ee
commit 64dc9dde86
1 changed files with 9 additions and 3 deletions
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12
configure vendored
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@ -458,11 +458,17 @@ elif test "$have_gcc" = yes; then
fi
case $cxx_version in
4.[7-9]|4.[7-9].[0-9]|4.[7-9].[0-9][-.]*|[5-9]|[5-9].[0-9]|[5-9].[0-9].[0-9]|[5-9].[0-9].[0-9][-.]*)
[1-9]*)
_cxx_major=`echo $cxx_version | cut -d '.' -f 1`
_cxx_minor=`echo $cxx_version | cut -d '.' -f 2`
cxx_version="$cxx_version, ok"
cxx_verc_fail=no
# Need at least version 4.7
if [ $_cxx_major -ge 5 ] || [ $_cxx_major -eq 4 -a $_cxx_minor -ge 7 ]; then
cxx_version="$cxx_version, ok"
cxx_verc_fail=no
else
cxx_version="$cxx_version, bad"
cxx_verc_fail=yes
fi
;;
'not found')
cxx_verc_fail=yes