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linux-yocto/tools/testing/selftests/sgx/Makefile
Edward Liaw cc937dad85 selftests: centralize -D_GNU_SOURCE= to CFLAGS in lib.mk 
Centralize the _GNU_SOURCE definition to CFLAGS in lib.mk.  Remove
redundant defines from Makefiles that import lib.mk.  Convert any usage of
"#define _GNU_SOURCE 1" to "#define _GNU_SOURCE".

This uses the form "-D_GNU_SOURCE=", which is equivalent to
"#define _GNU_SOURCE".

Otherwise using "-D_GNU_SOURCE" is equivalent to "-D_GNU_SOURCE=1" and
"#define _GNU_SOURCE 1", which is less commonly seen in source code and
would require many changes in selftests to avoid redefinition warnings.

Link: https://lkml.kernel.org/r/20240625223454.1586259-2-edliaw@google.com
Signed-off-by: Edward Liaw <edliaw@google.com>
Suggested-by: John Hubbard <jhubbard@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: André Almeida <andrealmeid@igalia.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Jarkko Sakkinen <jarkko@kernel.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Kees Cook <kees@kernel.org>
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Reinette Chatre <reinette.chatre@intel.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-07-10 12:14:51 -07:00

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top_srcdir = ../../../..

include ../lib.mk

.PHONY: all clean

CAN_BUILD_X86_64 := $(shell ../x86/check_cc.sh "$(CC)"
../x86/trivial_64bit_program.c)

ifndef OBJCOPY OBJCOPY := $(CROSS_COMPILE)objcopy endif

INCLUDES := -I$(top_srcdir)/tools/include HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC $(CFLAGS) HOST_LDFLAGS := -z noexecstack -lcrypto ENCL_CFLAGS += -Wall -Werror -static-pie -nostdlib -ffreestanding -fPIE
-fno-stack-protector -mrdrnd $(INCLUDES) ENCL_LDFLAGS := -Wl,-T,test_encl.lds,--build-id=none

ifeq ($(CAN_BUILD_X86_64), 1) TEST_CUSTOM_PROGS := $(OUTPUT)/test_sgx TEST_FILES := $(OUTPUT)/test_encl.elf

all: $(TEST_CUSTOM_PROGS) $(OUTPUT)/test_encl.elf endif

$(OUTPUT)/test_sgx: $(OUTPUT)/main.o
$(OUTPUT)/load.o
$(OUTPUT)/sigstruct.o
$(OUTPUT)/call.o
$(OUTPUT)/sign_key.o $(CC) $(HOST_CFLAGS) -o $@ $^ $(HOST_LDFLAGS)

$(OUTPUT)/main.o: main.c $(CC) $(HOST_CFLAGS) -c $< -o $@

$(OUTPUT)/load.o: load.c $(CC) $(HOST_CFLAGS) -c $< -o $@

$(OUTPUT)/sigstruct.o: sigstruct.c $(CC) $(HOST_CFLAGS) -c $< -o $@

$(OUTPUT)/call.o: call.S $(CC) $(HOST_CFLAGS) -c $< -o $@

$(OUTPUT)/sign_key.o: sign_key.S $(CC) $(HOST_CFLAGS) -c $< -o $@

$(OUTPUT)/test_encl.elf: test_encl.c test_encl_bootstrap.S $(CC) $(ENCL_CFLAGS) $^ -o $@ $(ENCL_LDFLAGS)

EXTRA_CLEAN :=
$(OUTPUT)/test_encl.elf
$(OUTPUT)/load.o
$(OUTPUT)/call.o
$(OUTPUT)/main.o
$(OUTPUT)/sigstruct.o
$(OUTPUT)/test_sgx
$(OUTPUT)/test_sgx.o \