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- # Code size reduction.
- #
- CFLAGS += -fstrength-reduce -fomit-frame-pointer
-
- # Code size reduction. gcc3 needs a different syntax to gcc2 if you
- # want to avoid spurious warnings.
- #
- CFLAGS += -falign-jumps=1 -falign-loops=1 -falign-functions=1
-
- # Use %rip-relative addressing wherever possible.
- #
- CFLAGS += -fpie
-
- # Force 64-bit code
- #
- CFLAGS += -m64
- ASFLAGS += --64
- LDFLAGS += -m elf_x86_64
-
- # EFI requires -fshort-wchar, and nothing else currently uses wchar_t
- #
- CFLAGS += -fshort-wchar
-
- # We need to undefine the default macro "i386" when compiling .S
- # files, otherwise ".arch i386" translates to ".arch 1"...
- #
- CFLAGS += -Ui386
-
- # x86_64-specific directories containing source files
- #
- SRCDIRS += arch/x86_64/prefix
-
- # Include common x86 Makefile
- #
- MAKEDEPS += arch/x86/Makefile
- include arch/x86/Makefile
-
- # Include platform-specific Makefile
- #
- MAKEDEPS += arch/x86_64/Makefile.$(PLATFORM)
- include arch/x86_64/Makefile.$(PLATFORM)
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