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issue #260: added detection of many CPU architectures in pre.mk. From sven.eckelmann@gmx.de

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This commit is contained in:
Richard Goedeken 2009-09-29 03:47:31 +00:00
parent c3f3583c65
commit 1064e16baa
1 changed files with 131 additions and 25 deletions
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156
pre.mk
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@ -19,37 +19,140 @@
# * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
# * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
# detect system architecture: i386, x86_64, or PPC/PPC64
UNAME = $(shell uname -m)
ifeq ("$(UNAME)","amd64")
CPU = X86
# detect system architecture: i386, x86_64, PPC/PPC64, ALPHA, ARM, AVR32, HPPA,
# IA64, M32R, M68K, MIPS, S390, SH3, SH4, SPARC
HOST_CPU ?= $(shell uname -m)
NO_ASM ?= 1
ifneq ("$(filter x86_64 amd64,$(HOST_CPU))","")
CPU := X86
ifeq ("$(BITS)", "32")
ARCH_DETECTED = 64BITS_32
ARCH_DETECTED := 64BITS_32
else
ARCH_DETECTED = 64BITS
ARCH_DETECTED := 64BITS
endif
NO_ASM := 0
CPU_ENDIANNESS := LITTLE
endif
ifeq ("$(UNAME)","x86_64")
CPU = X86
ifeq ("$(BITS)", "32")
ARCH_DETECTED = 64BITS_32
else
ARCH_DETECTED = 64BITS
endif
ifneq ("$(filter pentium i%86,$(HOST_CPU))","")
CPU := X86
ARCH_DETECTED := 32BITS
NO_ASM := 0
CPU_ENDIANNESS := LITTLE
endif
ifneq ("$(filter i%86,$(UNAME))","")
CPU = X86
ARCH_DETECTED = 32BITS
ifneq ("$(filter ppc powerpc,$(HOST_CPU))","")
CPU := PPC
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(UNAME)","ppc")
CPU = PPC
ARCH_DETECTED = 32BITS
NO_ASM = 1
ifneq ("$(filter ppc64 powerpc64,$(HOST_CPU))","")
CPU := PPC
ARCH_DETECTED := 64BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(UNAME)","ppc64")
CPU = PPC
ARCH_DETECTED = 64BITS
NO_ASM = 1
ifneq ("$(filter alpha%,$(HOST_CPU))","")
CPU := ALPHA
ARCH_DETECTED := 64BITS
NO_ASM := 1
CPU_ENDIANNESS := LITTLE
endif
ifneq ("$(filter arm%b,$(HOST_CPU))","")
CPU := ARM
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
else
ifneq ("$(filter arm%,$(HOST_CPU))","")
CPU := ARM
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := LITTLE
endif
endif
ifneq ("$(filter hppa%b,$(HOST_CPU))","")
CPU := HPPA
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(HOST_CPU)","ia64")
CPU := IA64
ARCH_DETECTED := 64BITS
NO_ASM := 1
CPU_ENDIANNESS := LITTLE
endif
ifeq ("$(HOST_CPU)","avr32")
CPU := AVR32
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(HOST_CPU)","m32r")
CPU := M32R
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(HOST_CPU)","m68k")
CPU := M68K
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifneq ("$(filter mips mipseb,$(HOST_CPU))","")
CPU := MIPS
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(HOST_CPU)","mipsel")
CPU := MIPS
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := LITTLE
endif
ifeq ("$(HOST_CPU)","s390")
CPU := S390
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(HOST_CPU)","s390x")
CPU := S390
ARCH_DETECTED := 64BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(HOST_CPU)","sh3")
CPU := SH3
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := LITTLE
endif
ifeq ("$(HOST_CPU)","sh3eb")
CPU := SH3
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(HOST_CPU)","sh4")
CPU := SH4
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := LITTLE
endif
ifeq ("$(HOST_CPU)","sh4eb")
CPU := SH4
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
ifeq ("$(HOST_CPU)","sparc")
CPU := SPARC
ARCH_DETECTED := 32BITS
NO_ASM := 1
CPU_ENDIANNESS := BIG
endif
# detect operation system. Currently just linux and OSX.
@ -250,7 +353,10 @@ else
endif
endif
ifeq ($(CPU), PPC)
CFLAGS += -mcpu=powerpc -D_BIG_ENDIAN
CFLAGS += -mcpu=powerpc
endif
ifeq ($(CPU_ENDIANNESS), BIG)
CFLAGS += -D_BIG_ENDIAN
endif
# set CFLAGS, LIBS, and LDFLAGS according to the target OS