blob: 3af2be5f445408cb8bb6653e98b2680cbc41a3ec [file] [log] [blame]
# sourced to find alternate names for things
source ./configure
if [ -z "$(command -v "${CROSS_COMPILE}${CC}")" ]
then
echo "No ${CROSS_COMPILE}${CC} found" >&2
exit 1
fi
if [ -z "$SED" ]
then
[ ! -z "$(command -v gsed 2>/dev/null)" ] && SED=gsed || SED=sed
fi
# Tell linker to do dead code elimination at function level
if [ "$(uname)" == "Darwin" ]
then
: ${LDOPTIMIZE:=-Wl,-dead_strip} ${STRIP:=strip}
else
: ${LDOPTIMIZE:=-Wl,--gc-sections -Wl,--as-needed} ${STRIP:=strip -s -R .note* -R .comment}
fi
# Address Sanitizer
if [ ! -z "$ASAN" ]; then
# Turn ASan on and disable most optimization to get more readable backtraces.
# (Technically ASAN is just "-fsanitize=address" and the rest is optional.)
ASAN_FLAGS="-fsanitize=address -O1 -g -fno-omit-frame-pointer -fno-optimize-sibling-calls"
CFLAGS="$CFLAGS $ASAN_FLAGS"
HOSTCC="$HOSTCC $ASAN_FLAGS"
NOSTRIP=1
# Ignore leaks on exit. TODO
export ASAN_OPTIONS="detect_leaks=0"
unset ASAN
fi
# Centos 7 bug workaround, EOL June 30 2024. TODO
DASHN=-n; wait -n 2>/dev/null; [ $? -eq 2 ] && unset DASHN
# If the build is using gnu tools, make them behave less randomly.
export LANG=c
export LC_ALL=C