diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/configure b/configure index 89867a1720..b01b5e3bed 100755 --- a/configure +++ b/configure @@ -395,6 +395,7 @@ gprof="no" debug_tcg="no" debug="no" sanitizers="no" +tsan="no" fortify_source="" strip_opt="yes" tcg_interpreter="no" @@ -1152,6 +1153,10 @@ for opt do ;; --disable-sanitizers) sanitizers="no" ;; + --enable-tsan) tsan="yes" + ;; + --disable-tsan) tsan="no" + ;; --enable-sparse) sparse="yes" ;; --disable-sparse) sparse="no" @@ -1764,6 +1769,7 @@ Advanced options (experts only): --with-pkgversion=VERS use specified string as sub-version of the package --enable-debug enable common debug build options --enable-sanitizers enable default sanitizers + --enable-tsan enable thread sanitizer --disable-strip disable stripping binaries --disable-werror disable compilation abort on warning --disable-stack-protector disable compiler-provided stack protection @@ -4312,7 +4318,6 @@ EOF mkdir -p dtc if [ "$pwd_is_source_path" != "y" ] ; then symlink "$source_path/dtc/Makefile" "dtc/Makefile" - symlink "$source_path/dtc/scripts" "dtc/scripts" fi fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt" fdt_ldflags="-L\$(BUILD_DIR)/dtc/libfdt" @@ -6221,6 +6226,30 @@ if test "$fuzzing" = "yes" ; then fi fi +# Thread sanitizer is, for now, much noisier than the other sanitizers; +# keep it separate until that is not the case. +if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then + error_exit "TSAN is not supported with other sanitiziers." +fi +have_tsan=no +have_tsan_iface_fiber=no +if test "$tsan" = "yes" ; then + write_c_skeleton + if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then + have_tsan=yes + fi + cat > $TMPC << EOF +#include <sanitizer/tsan_interface.h> +int main(void) { + __tsan_create_fiber(0); + return 0; +} +EOF + if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then + have_tsan_iface_fiber=yes + fi +fi + ########################################## # check for libpmem @@ -6378,6 +6407,16 @@ if test "$have_asan" = "yes"; then "Without code annotation, the report may be inferior." fi fi +if test "$have_tsan" = "yes" ; then + if test "$have_tsan_iface_fiber" = "yes" ; then + QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" + QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" + else + error_exit "Cannot enable TSAN due to missing fiber annotation interface." + fi +elif test "$tsan" = "yes" ; then + error_exit "Cannot enable TSAN due to missing sanitize thread interface." +fi if test "$have_ubsan" = "yes"; then QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" @@ -6413,7 +6452,8 @@ if test "$werror" = "yes"; then QEMU_CFLAGS="-Werror $QEMU_CFLAGS" fi -if test "$solaris" = "no" ; then +# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. +if test "$solaris" = "no" && test "$tsan" = "no"; then if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" fi @@ -7477,6 +7517,10 @@ if test "$have_asan_iface_fiber" = "yes" ; then echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak fi +if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then + echo "CONFIG_TSAN=y" >> $config_host_mak +fi + if test "$has_environ" = "yes" ; then echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak fi |