| Message ID | 1353371490-892-1-git-send-email-sasha.levin@oracle.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/tools/kvm/Makefile b/tools/kvm/Makefile index c105de1..de11060 100644 --- a/tools/kvm/Makefile +++ b/tools/kvm/Makefile @@ -221,9 +221,11 @@ ifeq ($(call try-cc,$(SOURCE_AIO),$(FLAGS_AIO) -static),y) LIBS_STATOPT += -laio endif -FLAGS_LTO := -flto -ifeq ($(call try-cc,$(SOURCE_HELLO),$(FLAGS_LTO)),y) - CFLAGS += $(FLAGS_LTO) +ifeq ($(LTO),1) + FLAGS_LTO := -flto + ifeq ($(call try-cc,$(SOURCE_HELLO),$(FLAGS_LTO)),y) + CFLAGS += $(FLAGS_LTO) + endif endif ifneq ($(call try-build,$(SOURCE_STATIC),-static,),y)
A bug only seen with LTO enabled was reported by Ron Minnich. Since the issue appears to be a linker issue, we disable LTO by default until it's more stable. We can still run LTO builds by setting LTO=1. Reported-by: Ron Minnich <rminnich@gmail.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com> --- tools/kvm/Makefile | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)