.PHONY: all all_32 all_64 check_build32 clean run_tests
-TARGETS_C_BOTHBITS := sigreturn
+TARGETS_C_BOTHBITS := sigreturn single_step_syscall
BINARIES_32 := $(TARGETS_C_BOTHBITS:%=%_32)
BINARIES_64 := $(TARGETS_C_BOTHBITS:%=%_64)
CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
-UNAME_P := $(shell uname -p)
+UNAME_M := $(shell uname -m)
# Always build 32-bit tests
all: all_32
# If we're on a 64-bit host, build 64-bit tests as well
-ifeq ($(shell uname -p),x86_64)
+ifeq ($(UNAME_M),x86_64)
all: all_64
endif