Add -pedantic to Makefile.standalone to match production.
This also requires modifying the ICE_CACHELINE_BOUNDARY macro to avoid a warning about anonymous structs:
src/IceUtils.h:132:3: warning: anonymous structs are a GNU extension [-Wgnu-anonymous-struct]
BUG= none
R=jfb@chromium.org
Review URL: https://codereview.chromium.org/883983002
diff --git a/Makefile.standalone b/Makefile.standalone
index 1b24d11..e906d56 100644
--- a/Makefile.standalone
+++ b/Makefile.standalone
@@ -92,7 +92,7 @@
CXXFLAGS := $(LLVM_CXXFLAGS) -std=c++11 -Wall -Wextra -Werror -fno-rtti \
-fno-exceptions $(OPTLEVEL) $(ASSERTIONS) $(CXX_DEFINES) -g \
- $(HOST_FLAGS) -Wno-error=unused-parameter \
+ $(HOST_FLAGS) -pedantic -Wno-error=unused-parameter \
-I$(LIBCXX_INSTALL_PATH)/include/c++/v1 $(CXX_EXTRA)
LDFLAGS := $(HOST_FLAGS) -L$(LIBCXX_INSTALL_PATH)/lib -Wl,--gc-sections \
$(LD_EXTRA)
diff --git a/src/IceDefs.h b/src/IceDefs.h
index 55e09ac..d327ea6 100644
--- a/src/IceDefs.h
+++ b/src/IceDefs.h
@@ -130,7 +130,7 @@
// Use ICE_CACHELINE_BOUNDARY to force the next field in a declaration
// list to be aligned to the next cache line.
#define ICE_CACHELINE_BOUNDARY \
- alignas(MaxCacheLineSize) struct {}
+ __attribute__((aligned(MaxCacheLineSize))) int : 0
// PNaCl is ILP32, so theoretically we should only need 32-bit offsets.
typedef int32_t RelocOffsetT;
