1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
# figure out what kind of host we are running on
host-arch := $(shell uname -m | \
sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/)
# ##############################################################################
# User variables
# user variables can be specified in the environment or in a .config file
-include .config
# ARCH -- what architecture are we compiling for?
ARCH ?= ${host-arch}
# LITMUS_KERNEL -- where to find the litmus kernel?
LITMUS_KERNEL ?= ../litmus2010
# ##############################################################################
# Internal configuration.
# compiler flags
flags-debug = -Wall -g -Wdeclaration-after-statement
flags-api = -D_XOPEN_SOURCE=600 -D_GNU_SOURCE
flags-link-rt = -static
# architecture-specific flags
flags-i386 = -m32
flags-x86_64 = -m64
flags-sparc64 = -mcpu=v9 -m64
# default: none
# name of the directory that has the arch headers in the Linux source
include-i386 = x86
include-x86_64 = x86
include-sparc64 = sparc
# default: the arch name
include-${ARCH} ?= ${ARCH}
# where to find header files
headers = -Iinclude \
-I${LITMUS_KERNEL}/include/ \
-I${LITMUS_KERNEL}/arch/${include-${ARCH}}/include
# combine options
CPPFLAGS = ${flags-api} ${flags-${ARCH}} ${headers}
CFLAGS = ${flags-debug}
LDFLAGS = ${flags-${ARCH}}
# how to link against liblitmus
liblitmus-flags = -L. -llitmus
# Force gcc instead of cc, but let the user specify a more specific version if
# desired.
ifeq (${CC},cc)
CC = gcc
endif
# incorporate cross-compiler (if any)
CC := ${CROSS_COMPILE}${CC}
LD := ${CROSS_COMPILE}${LD}
AR := ${CROSS_COMPILE}${AR}
# ##############################################################################
# Targets
all = lib ${rt-apps}
rt-apps = cycles base_task rt_launch rtspin release_ts measure_syscall \
base_mt_task runtests
.PHONY: all lib clean dump-config
all: ${all}
dump-config:
@echo Build configuration:
@printf "%-15s= %-20s\n" \
ARCH ${ARCH} \
LITMUS_KERNEL "${LITMUS_KERNEL}" \
CROSS_COMPILE "${CROSS_COMPILE}" \
headers "${headers}" \
CFLAGS "${CFLAGS}" \
LDFLAGS "${LDFLAGS}" \
CPPFLAGS "${CPPFLAGS}" \
CC "${CC}" \
CPP "${CPP}" \
LD "${LD}" \
AR "${AR}" \
obj-all "${obj-all}"
clean:
rm -f ${rt-apps}
rm -f *.o *.d *.a test_catalog.inc
# ##############################################################################
# liblitmus
lib: liblitmus.a
# all .c file in src/ are linked into liblitmus
vpath %.c src/
obj-lib = $(patsubst src/%.c,%.o,$(wildcard src/*.c))
liblitmus.a: ${obj-lib}
${AR} rcs $@ $+
# ##############################################################################
# Tests suite.
# tests are found in tests/
vpath %.c tests/
src-runtests = $(wildcard tests/*.c)
obj-runtests = $(patsubst tests/%.c,%.o,${src-runtests})
# generate list of tests automatically
test_catalog.inc: $(filter-out tests/runner.c,${src-runtests})
tests/make_catalog.py $+ > $@
.SECONDARY: test_catalog.inc
tests/runner.c: test_catalog.inc
# ##############################################################################
# Tools that link with liblitmus
# these source files are found in bin/
vpath %.c bin/
obj-cycles = cycles.o
obj-base_task = base_task.o
obj-base_mt_task = base_mt_task.o
ldf-base_mt_task = -pthread
obj-rt_launch = rt_launch.o common.o
obj-rtspin = rtspin.o common.o
lib-rtspin = -lrt
obj-release_ts = release_ts.o
obj-measure_syscall = null_call.o
lib-measure_syscall = -lm
# ##############################################################################
# Build everything that depends on liblitmus.
.SECONDEXPANSION:
${rt-apps}: $${obj-$$@} liblitmus.a
$(CC) -o $@ $(LDFLAGS) ${ldf-$@} $(filter-out liblitmus.a,$+) $(LOADLIBS) $(LDLIBS) ${lib-$@} ${liblitmus-flags}
# ##############################################################################
# Dependency resolution.
vpath %.c bin/ src/ tests/
obj-all = ${sort ${foreach target,${all},${obj-${target}}}}
# rule to generate dependency files (straight from make manual)
%.d: %.c
@set -e; rm -f $@; \
$(CC) -MM $(CPPFLAGS) $< > $@.$$$$; \
sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
rm -f $@.$$$$
ifeq ($(MAKECMDGOALS),)
MAKECMDGOALS += all
endif
ifneq ($(filter-out dump-config clean,$(MAKECMDGOALS)),)
-include ${obj-all:.o=.d}
endif
|
