blob: 71e737c4c4d64e6cba34d09800bf591cb7b9d2a1 [file] [log] [blame]
Jiri Olsa8bd407b2013-03-15 16:28:49 +01001uname_M := $(shell uname -m 2>/dev/null || echo not)
2
3ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
4 -e s/arm.*/arm/ -e s/sa110/arm/ \
5 -e s/s390x/s390/ -e s/parisc64/parisc/ \
6 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
7 -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
8NO_PERF_REGS := 1
9
10# Additional ARCH settings for x86
11ifeq ($(ARCH),i386)
12 override ARCH := x86
13 NO_PERF_REGS := 0
14 LIBUNWIND_LIBS = -lunwind -lunwind-x86
15endif
16
17ifeq ($(ARCH),x86_64)
18 override ARCH := x86
19 IS_X86_64 := 0
20 ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
21 IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
22 endif
23 ifeq (${IS_X86_64}, 1)
24 RAW_ARCH := x86_64
25 ARCH_CFLAGS := -DARCH_X86_64
26 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
27 endif
28 NO_PERF_REGS := 0
29 LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
30endif
31
32ifeq ($(NO_PERF_REGS),0)
33 BASIC_CFLAGS += -DHAVE_PERF_REGS
34endif
Jiri Olsaa32f4932013-03-25 00:32:01 +010035
36-include config/feature-tests.mak
37
38ifeq ($(call get-executable,$(FLEX)),)
39 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
40endif
41
42ifeq ($(call get-executable,$(BISON)),)
43 dummy := $(error Error: $(BISON) is missing on this system, please install it)
44endif
Jiri Olsa362493f2013-03-25 00:40:48 +010045
46# Treat warnings as errors unless directed not to
47ifneq ($(WERROR),0)
48 CFLAGS_WERROR := -Werror
49endif
50
51ifeq ("$(origin DEBUG)", "command line")
52 PERF_DEBUG = $(DEBUG)
53endif
54ifndef PERF_DEBUG
55 CFLAGS_OPTIMIZE = -O6
56endif
57
58ifdef PARSER_DEBUG
59 PARSER_DEBUG_BISON := -t
60 PARSER_DEBUG_FLEX := -d
61 PARSER_DEBUG_CFLAGS := -DPARSER_DEBUG
62endif
63
64CFLAGS = -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS)
65EXTLIBS = -lpthread -lrt -lelf -lm
66ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
67ALL_LDFLAGS = $(LDFLAGS)
68
69ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
70 CFLAGS := $(CFLAGS) -fstack-protector-all
71endif
72
73ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector,-Wstack-protector),y)
74 CFLAGS := $(CFLAGS) -Wstack-protector
75endif
76
77ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var,-Wvolatile-register-var),y)
78 CFLAGS := $(CFLAGS) -Wvolatile-register-var
79endif
80
81ifndef PERF_DEBUG
82 ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -D_FORTIFY_SOURCE=2,-D_FORTIFY_SOURCE=2),y)
83 CFLAGS := $(CFLAGS) -D_FORTIFY_SOURCE=2
84 endif
85endif
86
87BASIC_CFLAGS += \
88 -Iutil/include \
89 -Iarch/$(ARCH)/include \
90 $(if $(objtree),-I$(objtree)/arch/$(ARCH)/include/generated/uapi) \
91 -I$(srctree)/arch/$(ARCH)/include/uapi \
92 -I$(srctree)/arch/$(ARCH)/include \
93 $(if $(objtree),-I$(objtree)/include/generated/uapi) \
94 -I$(srctree)/include/uapi \
95 -I$(srctree)/include \
96 -I$(OUTPUT)util \
97 -Iutil \
98 -I. \
99 -I$(TRACE_EVENT_DIR) \
100 -I../lib/ \
101 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
102
103BASIC_LDFLAGS =
104
105ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
106 BIONIC := 1
107 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
108 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
109 BASIC_CFLAGS += -I.
110endif
Jiri Olsacf4cca12013-03-25 00:45:08 +0100111
112ifdef NO_LIBELF
113 NO_DWARF := 1
114 NO_DEMANGLE := 1
115 NO_LIBUNWIND := 1
116else
117FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
118ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
119 FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
120 ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
121 LIBC_SUPPORT := 1
122 endif
123 ifeq ($(BIONIC),1)
124 LIBC_SUPPORT := 1
125 endif
126 ifeq ($(LIBC_SUPPORT),1)
127 msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
128
129 NO_LIBELF := 1
130 NO_DWARF := 1
131 NO_DEMANGLE := 1
132 else
133 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
134 endif
135else
136 # for linking with debug library, run like:
137 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
138 ifdef LIBDW_DIR
139 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
140 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
141 endif
142
143 FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
144 ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
145 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
146 NO_DWARF := 1
147 endif # Dwarf support
148endif # SOURCE_LIBELF
149endif # NO_LIBELF
150
151ifndef NO_LIBELF
152BASIC_CFLAGS += -DLIBELF_SUPPORT
153FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
154ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
155 BASIC_CFLAGS += -DLIBELF_MMAP
156endif
Jiri Olsa779724f2013-03-25 00:48:14 +0100157
158# include ARCH specific config
159-include arch/$(ARCH)/Makefile
160
161ifndef NO_DWARF
162ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
163 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
164 NO_DWARF := 1
165else
166 BASIC_CFLAGS := -DDWARF_SUPPORT $(LIBDW_CFLAGS) $(BASIC_CFLAGS)
167 BASIC_LDFLAGS := $(LIBDW_LDFLAGS) $(BASIC_LDFLAGS)
168 EXTLIBS += -lelf -ldw
169endif # PERF_HAVE_DWARF_REGS
170endif # NO_DWARF
171
Jiri Olsacf4cca12013-03-25 00:45:08 +0100172endif # NO_LIBELF