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-rwxr-xr-xtools/configure21
1 files changed, 20 insertions, 1 deletions
diff --git a/tools/configure b/tools/configure
index c4d98f3f70..31445b792b 100755
--- a/tools/configure
+++ b/tools/configure
@@ -263,6 +263,14 @@ simcc () {
GCCOPTS=`echo $CCOPTS | sed -e s/-ffreestanding// -e s/-nostdlib// -e s/-Wundef//`
GCCOPTS="$GCCOPTS -fno-builtin -g"
+
+ if [ "$ARG_ADDR_SAN" = "1" ] ; then
+ # Use AddressSanitizer!
+ echo "Using AddressSanitizer"
+ GCCOPTS="$GCCOPTS -fsanitize=address -fPIC"
+ LDOPTS="$LDOPTS -fsanitize=address -lasan"
+ fi
+
# Some linux setups like to warn about unused results. They are correct,
# but cleaning this up is a lot of work.
GCCOPTS="$GCCOPTS -Wno-unused-result"
@@ -468,6 +476,11 @@ EOF
# on cygwin
rm -f $tmpdir/conftest-$id*
+ # AddressSanitizer requires SDL threads
+ if [ "$ARG_ADDR_SAN" = "1" ] ; then
+ ARG_THREAD_SUPPORT=1
+ fi
+
thread_support=
if [ -z "$ARG_THREAD_SUPPORT" ] || [ "$ARG_THREAD_SUPPORT" = "0" ]; then
if [ "$sigaltstack" = "0" ]; then
@@ -1407,10 +1420,12 @@ help() {
--no-thumb The opposite of --thumb (don't use thumb even for targets
where this is the default
--sdl-threads Force use of SDL threads. They have inferior performance,
- but are better debuggable with GDB
+ but are better debuggable with GDB and valgrind
--no-sdl-threads Disallow use of SDL threads. This prevents the default
behavior of falling back to them if no native thread
support was found.
+ --with-address-sanitizer
+ Enasbles the AddressSanitizer feature. Forces SDL threads.
--32-bit Force a 32-bit simulator (use with --sdl-threads for duke3d)
--prefix Target installation directory
--compiler-prefix Override compiler prefix (inherently dangerous)
@@ -1435,6 +1450,7 @@ ARG_ARM_THUMB=
ARG_PREFIX="$PREFIX"
ARG_THREAD_SUPPORT=
ARG_32BIT=
+ARG_ADDR_SAN=
err=
for arg in "$@"; do
case "$arg" in
@@ -1457,6 +1473,7 @@ for arg in "$@"; do
--sdl-threads)ARG_THREAD_SUPPORT=1;;
--no-sdl-threads)
ARG_THREAD_SUPPORT=0;;
+ --with-address-sanitizer) ARG_ADDR_SAN=1;;
--prefix=*) ARG_PREFIX=`echo "$arg" | cut -d = -f 2`;;
--compiler-prefix=*) ARG_COMPILER_PREFIX=`echo "$arg" | cut -d = -f 2`;;
--help) help;;
@@ -4741,6 +4758,8 @@ EOF
if ! diff -q autoconf.h.new autoconf.h > /dev/null 2>&1 ; then
mv autoconf.h.new autoconf.h
echo "Created autoconf.h"
+else
+ rm -f autoconf.h.new
fi
if test -n "$t_cpu"; then