diff --git a/config/arch.arm b/config/arch.arm
index 1d9da591a3..509f50cedd 100644
--- a/config/arch.arm
+++ b/config/arch.arm
@@ -69,7 +69,8 @@
   fi
 
 # setup ARCH specific *FLAGS
-  TARGET_CFLAGS="-march=$TARGET_VARIANT -mtune=$TARGET_CPU -mabi=aapcs-linux -Wno-psabi -Wa,-mno-warn-deprecated"
+  TARGET_CFLAGS="-march=$TARGET_VARIANT -mtune=$TARGET_CPU -mabi=aapcs-linux -Wno-psabi -Wa,-mno-warn-deprecated -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64"
   [ -n "$TARGET_FPU" ] && TARGET_CFLAGS="$TARGET_CFLAGS $TARGET_FPU_FLAGS"
   TARGET_LDFLAGS="-march=$TARGET_VARIANT -mtune=$TARGET_CPU"
   TARGET_ARCH_GCC_OPTS="--with-abi=aapcs-linux --with-arch=$TARGET_SUBARCH --with-float=$TARGET_FLOAT --with-fpu=$TARGET_FPU"
+  TARGET_CXXFLAGS="-D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64"