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comparison gcc/config/m68k/t-mlibs @ 0:a06113de4d67

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first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 77e2b8dfacca
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-1:000000000000 0:a06113de4d67
1 # multilibs -*- mode:Makefile -*-
2
3 # An awk command to extract lines from the m68k-devices.def file that
4 # match $1 and then print the string defined by $2. Leading and
5 # trailing whitespace is removed. $1 & $2 can make use of
6 # CPU -- the cpu identifier (has leading 'm'/'mcf')
7 # FLAGS -- the cpu capability flags
8 # CPU_NAME -- the cpu name (has no leading m/mcf)
9 # MLIB -- the multilib cpu name (no leading m/mcf)
10 # This is intended to be used as $(call M68K_AWK,predicate,string)
11 M68K_AWK = $(strip $(shell $(AWK) 'BEGIN { FS="[ \t]*[,()][ \t]*"; ORS=" " }; \
12 /^M68K_DEVICE/ { CPU=$$3; FLAGS=$$8; \
13 CPU_NAME=substr($$2,2,length($$2)-2); \
14 MLIB=substr($$5,2,length($$5)-2); \
15 if ($1) print $2 }' $(srcdir)/config/m68k/m68k-devices.def))
16
17 # Add a multilib for each distinct architecture. M68K_MLIB_CPU, if defined,
18 # adds additional restrictions.
19 M68K_MLIB_CPUS := $(call M68K_AWK,\
20 (CPU_NAME == MLIB) $(M68K_MLIB_CPU), \
21 "m"MLIB)
22
23 # Make the default cpu the default multilib.
24 M68K_MLIB_DEFAULT := $(call M68K_AWK, CPU == "$(target_cpu_default)", MLIB)
25
26 ifeq ($(filter m$(M68K_MLIB_DEFAULT),$(M68K_MLIB_CPUS)),)
27 $(error Error default cpu '$(target_cpu_default)' is not in multilib set '$(M68K_MLIB_CPUS)')
28 endif
29
30 # Sed arguments that convert mcpu=* arguments into canonical forms.
31 # We want to use the legacy m68* options instead of the new -mcpu=68*
32 # options when compiling multilibs because the former are recognised
33 # by older binutils.
34 CANONICALIZE_OPTIONS = -e 's|mcpu=68|m68|g' -e 's|mcpu=cpu32|mcpu32|g'
35
36 MULTILIB_DIRNAMES := $(filter-out m$(M68K_MLIB_DEFAULT),$(M68K_MLIB_CPUS))
37 MULTILIB_OPTIONS := $(shell echo $(MULTILIB_DIRNAMES:m%=mcpu=%) \
38 | sed -e 's| |/|g' $(CANONICALIZE_OPTIONS))
39
40 # Add subtarget specific options & dirs.
41 MULTILIB_DIRNAMES += $(M68K_MLIB_DIRNAMES)
42 MULTILIB_OPTIONS += $(M68K_MLIB_OPTIONS)
43
44 MULTILIB_MATCHES :=
45
46 ifneq ($(M68K_ARCH),cf)
47 # Map the new-style options to the legacy m68k ones.
48 MULTILIB_MATCHES += m68000=mcpu?68000 m68000=march?68000 m68000=mc68000 \
49 m68000=m68302 \
50 m68020=mcpu?68020 m68020=march?68020 m68020=mc68020 \
51 m68030=mcpu?68030 m68030=march?68030 \
52 m68040=mcpu?68040 m68040=march?68040 \
53 m68060=mcpu?68060 m68060=march?68060 \
54 mcpu32=mcpu?cpu32 mcpu32=march?cpu32 mcpu32=m68332
55 endif
56
57 ifneq ($(M68K_ARCH),m68k)
58 # Map the legacy ColdFire options to the new ones.
59 MULTILIB_MATCHES += mcpu?5206=m5200 mcpu?5206e=m5206e mcpu?5208=m528x \
60 mcpu?5307=m5300 mcpu?5307=m5307 \
61 mcpu?5407=m5400 mcpu?5407=m5407 \
62 mcpu?5475=mcfv4e
63 # Map -march=* options to the representative -mcpu=* option.
64 MULTILIB_MATCHES += mcpu?5206e=march?isaa mcpu?5208=march?isaaplus \
65 mcpu?5407=march?isab
66 endif
67
68 # Match non-representative -mcpu options to their representative option.
69 MULTILIB_MATCHES += \
70 $(call M68K_AWK, \
71 (CPU_NAME != MLIB) $(M68K_MLIB_CPU), \
72 (match(MLIB, "^68") || MLIB == "cpu32" \
73 ? "m"MLIB"=mcpu?"CPU_NAME \
74 : "mcpu?"MLIB"=mcpu?"CPU_NAME))
75
76 MULTILIB_EXCEPTIONS :=
77
78 ifeq ($(firstword $(M68K_MLIB_OPTIONS)),msoft-float)
79 # Exclude soft-float multilibs for targets that default to soft-float anyway.
80 MULTILIB_EXCEPTIONS += $(call M68K_AWK,\
81 (CPU_NAME == MLIB) $(M68K_MLIB_CPU) \
82 && (((CPU ~ "^mcf") && !match(FLAGS, "FL_CF_FPU")) \
83 || CPU == "cpu32" \
84 || CPU == "m68000"), \
85 "mcpu="MLIB"/msoft-float*")
86 endif
87
88 # Remove the default CPU from the explicit exceptions.
89 MULTILIB_EXCEPTIONS := \
90 $(patsubst mcpu=$(M68K_MLIB_DEFAULT)/%,%,$(MULTILIB_EXCEPTIONS))
91
92 # Convert all options to canonical form.
93 MULTILIB_EXCEPTIONS := $(shell echo $(MULTILIB_EXCEPTIONS) | \
94 sed $(CANONICALIZE_OPTIONS))
95
96 LIBGCC = stmp-multilib
97 INSTALL_LIBGCC = install-multilib