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Clean up the makefile a bit

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Use the existing TARGET_CPU_ARCH and TARGET_CPU_BITS instead of filtering
ARCH over and over again.

Comment some of the more obscure parts.
This commit is contained in:
Ari Koivula 2015-09-18 15:13:13 +03:00
parent eb12fe0d98
commit 63ab4068be
1 changed files with 34 additions and 21 deletions
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55
src/Makefile
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@ -64,30 +64,36 @@ else
endif
# ARCH related flags
ifeq ($(ARCH), x86_64)
TARGET_CPU_BITS := 64
TARGET_CPU_ARCH := x86
else ifeq ($(ARCH), ppc64)
TARGET_CPU_BITS := 64
TARGET_CPU_ARCH := ppc
ifeq (, $(filter-out i386 i686 x86_64 amd64, $(ARCH)))
TARGET_CPU_ARCH := x86
else ifeq (, $(filter-out ppc ppc64, $(ARCH)))
TARGET_CPU_ARCH := ppc
else ifeq (, $(filter-out armv7l armv6l, $(ARCH)))
TARGET_CPU_ARCH := arm
else
#safe (?) defaults
TARGET_CPU_BITS := 32
TARGET_CPU_ARCH := x86
TARGET_CPU_ARCH := x86
endif
ifeq (, $(filter-out i386 i686 ppc, $(ARCH)))
TARGET_CPU_BITS := 32
else ifeq (, $(filter-out x86_64 amd64 ppc64, $(ARCH)))
TARGET_CPU_BITS := 64
else
TARGET_CPU_BITS := 0
endif
# The -m32 and -m64 flags are used for making sure the C files use the same
# instruction set as the ASM files. They can't be used on ARM processors.
ifneq (,$(filter-out armv7l armv6l,$(ARCH)))
CFLAGS += -m$(TARGET_CPU_BITS)
LDFLAGS += -m$(TARGET_CPU_BITS)
ifneq (0, $(TARGET_CPU_BITS))
CFLAGS += -m$(TARGET_CPU_BITS)
LDFLAGS += -m$(TARGET_CPU_BITS)
endif
INSTALL_TARGETS = install-prog install-pc
# Windows (cygwin/mingw) specific flags
ifeq ($(SYSTEM), Windows)
ifeq ($(ARCH), x86_64)
ifeq ($(TARGET_CPU_BITS), 64)
ASFLAGS += -f win64
ASFLAGS += -DHAVE_ALIGNED_STACK=1
else
@ -101,7 +107,7 @@ ifeq ($(SYSTEM), Windows)
# OS X specific flags
else ifeq ($(SYSTEM), Darwin)
ifeq ($(ARCH), x86_64)
ifeq ($(TARGET_CPU_BITS), 64)
ASFLAGS += -f macho64
else
ASFLAGS += -f macho32
@ -114,7 +120,7 @@ else ifeq ($(SYSTEM), Darwin)
else
LIBS += -lrt
LDFLAGS += -Wl,-z,noexecstack
ifeq ($(ARCH), x86_64)
ifeq ($(TARGET_CPU_BITS), 64)
ASFLAGS += -f elf64
else
ASFLAGS += -f elf32
@ -124,13 +130,13 @@ else
endif
# Flags shared across systems
ifeq ($(ARCH), x86_64)
ifeq ($(TARGET_CPU_ARCH) $(TARGET_CPU_BITS), x86 64)
ASFLAGS += -DARCH_X86_64=1
else
ASFLAGS += -DARCH_X86_64=0
endif
# Compile asm files by default if yasm is present.
# Disable ASM optimizations if YASM is not found on path.
ifndef KVZ_DISABLE_ASM
has_as := $(shell type $(AS) 2>/dev/null)
ifeq ($(has_as),)
@ -142,16 +148,19 @@ ifdef CHECKPOINTS
CFLAGS += -DCHECKPOINTS
endif
# Compile files in strategy directories with appropriate flags.
ifeq ($(ARCH),ppc64)
# The optimized functions reside in these instruction set specific
# directories. If the instruction set is supported by the
# architecture, compile the files in these directories with the
# apropriate flags to cause the intrinsics to work.
ifeq ($(TARGET_CPU_ARCH), ppc)
strategies/altivec/%.o: EXTRA_FLAGS += -maltivec -fno-lto
strategies/altivec/%.lo: EXTRA_FLAGS += -maltivec -fno-lto
else ifeq (,$(filter-out i386 i686 x86_64 amd64,$(ARCH)))
else ifeq ($(TARGET_CPU_ARCH), x86)
strategies/sse2/%.o: EXTRA_FLAGS += -msse2 -fno-lto
strategies/sse41/%.o: EXTRA_FLAGS += -msse4.1 -fno-lto
strategies/sse2/%.lo: EXTRA_FLAGS += -msse2 -fno-lto
strategies/sse41/%.lo: EXTRA_FLAGS += -msse4.1 -fno-lto
# Needs to be defined on Travis
# To disable avx2 on old compilers that don't support it.
ifndef KVZ_DISABLE_AVX2
strategies/avx2/%.o: EXTRA_FLAGS += -mavx2 -fno-lto
strategies/avx2/%.lo: EXTRA_FLAGS += -mavx2 -fno-lto
@ -207,8 +216,12 @@ OBJS = \
strategies/avx2/ipol-avx2.o
ifndef KVZ_DISABLE_ASM
# Compile C files in x86_asm folder with KVZ_COMPILE_ASM, which will cause
# the registration function to register the function pointers in the ASM
# files.
strategies/x86_asm/%.o: EXTRA_FLAGS += -DKVZ_COMPILE_ASM
# Add ASM files to the list of objects to be compiled.
OBJS += \
strategies/x86_asm/picture-x86-asm-sad.o \
strategies/x86_asm/picture-x86-asm-satd.o