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Add --undefined option to ./configure for UBSan checker.

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This commit is contained in:
Mark Adler
2026-01-10 11:32:51 -08:00
parent 2896db600d
commit 78832f5fe3
1 changed files with 5 additions and 0 deletions
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5
configure vendored
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@@ -92,6 +92,7 @@ warn=0
debug=0
address=0
memory=0
undefined=0
insecure=0
unknown=0
old_cc="$CC"
@@ -147,6 +148,7 @@ case "$1" in
--sanitize) address=1; shift ;;
--address) address=1; shift ;;
--memory) memory=1; shift ;;
--undefined) undefined=1; shift ;;
--insecure) insecure=1; shift ;;
*) unknown=1; echo "unknown option ignored: $1" | tee -a configure.log; shift;;
esac
@@ -258,6 +260,9 @@ if test "$gcc" -eq 1 && ($cc -c $test.c) >> configure.log 2>&1; then
if test $memory -eq 1; then
CFLAGS="${CFLAGS} -g -fsanitize=memory -fno-omit-frame-pointer"
fi
if test $undefined -eq 1; then
CFLAGS="${CFLAGS} -g -fsanitize=undefined -fno-omit-frame-pointer"
fi
if test $insecure -eq 1; then
CFLAGS="${CFLAGS} -DZLIB_INSECURE"
fi