Add -Wextra to CFLAGS
[urcu.git] / configure.ac
1 AC_PREREQ(2.59)
2 AC_INIT([userspace-rcu],[0.11.0-pre],[mathieu dot desnoyers at efficios dot com], [], [http://liburcu.org/])
3
4 # Following the numbering scheme proposed by libtool for the library version
5 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
6 AC_SUBST([URCU_LIBRARY_VERSION], [6:0:0])
7
8 AC_CONFIG_HEADERS([include/config.h include/urcu/config.h])
9 AC_CONFIG_AUX_DIR([config])
10 AC_CONFIG_MACRO_DIR([m4])
11
12 AC_CANONICAL_TARGET
13 AC_CANONICAL_HOST
14
15 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip nostdinc])
16 AM_MAINTAINER_MODE([enable])
17
18 # Enable silent rules if available (Introduced in AM 1.11)
19 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
20
21 AC_REQUIRE_AUX_FILE([tap-driver.sh])
22
23 AH_TEMPLATE([CONFIG_RCU_SMP], [Enable SMP support. With SMP support enabled, uniprocessors are also supported. With SMP support disabled, UP systems work fine, but the behavior of SMP systems is undefined.])
24 AH_TEMPLATE([CONFIG_RCU_HAVE_FENCE], [Defined when on a system that has memory fence instructions.])
25 AH_TEMPLATE([CONFIG_RCU_HAVE_FUTEX], [Defined when on a system with futex support.])
26 AH_TEMPLATE([CONFIG_RCU_COMPAT_ARCH], [Compatibility mode for i386 which lacks cmpxchg instruction.])
27 AH_TEMPLATE([CONFIG_RCU_ARM_HAVE_DMB], [Use the dmb instruction if available for use on ARM.])
28 AH_TEMPLATE([CONFIG_RCU_TLS], [TLS provided by the compiler.])
29 AH_TEMPLATE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [clock_gettime() is detected.])
30 AH_TEMPLATE([CONFIG_RCU_FORCE_SYS_MEMBARRIER], [Require the operating system to support the membarrier system call for default and bulletproof flavors.])
31 AH_TEMPLATE([CONFIG_RCU_DEBUG], [Enable internal debugging self-checks. Introduce performance penalty.])
32
33 # Allow requiring the operating system to support the membarrier system
34 # call. Applies to default and bulletproof flavors.
35 AC_ARG_ENABLE([sys-membarrier-fallback],
36 AS_HELP_STRING([--disable-sys-membarrier-fallback], [Abort if sys-membarrier is needed but not available rather than using a fallback.]),
37 [def_sys_membarrier_fallback=$enableval],
38 [def_sys_membarrier_fallback="yes"])
39 AS_IF([test "x$def_sys_membarrier_fallback" != "xyes"], [AC_DEFINE([CONFIG_RCU_FORCE_SYS_MEMBARRIER], [1])])
40
41 # Allow overriding storage used for TLS variables.
42 AC_ARG_ENABLE([compiler-tls],
43 AS_HELP_STRING([--disable-compiler-tls], [Use pthread_getspecific() to emulate Thread Local Storage (TLS) variables.]),
44 [def_compiler_tls=$enableval],
45 [def_compiler_tls="yes"])
46
47 # If not overridden, use ax_tls.m4 to check if TLS is available.
48 AS_IF([test "x$def_compiler_tls" = "xyes"],
49 [AX_TLS([def_tls_detect=$ac_cv_tls], [:])],
50 [:])
51
52 AS_IF([test "x$def_tls_detect" = "x"],
53 [:],
54 [AC_DEFINE_UNQUOTED([CONFIG_RCU_TLS], $def_tls_detect)])
55
56 # Checks for C compiler
57 AC_USE_SYSTEM_EXTENSIONS
58 AC_PROG_CC
59 AC_PROG_CC_STDC
60
61 # Checks for programs.
62 AC_PROG_AWK
63 AC_PROG_MAKE_SET
64 AC_CHECK_PROGS(NPROC, [nproc gnproc])
65 AC_CHECK_PROGS(GETCONF, [getconf])
66 AS_IF([test "x$NPROC" != "x"],
67 [NPROC_CMD=$NPROC],
68 [AS_IF([test "x$GETCONF" != "x"],
69 [NPROC_CMD="$GETCONF _NPROCESSORS_ONLN"],
70 [NPROC_CMD="echo 1"]
71 )]
72 )
73 AC_SUBST([NPROC_CMD], [$NPROC_CMD])
74
75 LT_INIT
76
77 # Checks for typedefs, structures, and compiler characteristics.
78 AC_C_INLINE
79 AC_TYPE_PID_T
80 AC_TYPE_SIZE_T
81 AC_TYPE_SSIZE_T
82 AC_TYPE_UINT16_T
83 AC_TYPE_INT32_T
84 AC_TYPE_UINT32_T
85 AC_TYPE_UINT64_T
86 AC_TYPE_UINT8_T
87
88 AX_C___ATTRIBUTE__
89 AS_IF([test "x$ax_cv___attribute__" = "xyes"],
90 [:],
91 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
92
93 AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
94
95 AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS"
96
97 # Checks for library functions.
98 AC_FUNC_MMAP
99 AC_FUNC_FORK
100 AC_CHECK_FUNCS([ \
101 atexit \
102 getcpuid \
103 gettid \
104 gettimeofday \
105 memeset \
106 memset \
107 munmap \
108 rand_r \
109 sched_getcpu \
110 strerror \
111 strtoul \
112 sysconf \
113 ])
114
115 # AC_FUNC_MALLOC causes problems when cross-compiling.
116 #AC_FUNC_MALLOC
117
118 # Check for headers
119 AC_HEADER_STDBOOL
120 AC_CHECK_HEADERS([ \
121 limits.h \
122 stddef.h \
123 sys/param.h \
124 sys/time.h \
125 ])
126
127 # Find arch type
128 AS_CASE([$host_cpu],
129 [k1om], [ARCHTYPE="x86"],
130 [i386], [ARCHTYPE="x86" && SUBARCHTYPE="x86compat"],
131 [i486], [ARCHTYPE="x86"],
132 [i586], [ARCHTYPE="x86"],
133 [i686], [ARCHTYPE="x86"],
134 [amd64], [ARCHTYPE="x86"],
135 [x86_64], [ARCHTYPE="x86"],
136 [powerpc], [ARCHTYPE="ppc"],
137 [ppc64], [ARCHTYPE="ppc"],
138 [powerpc64], [ARCHTYPE="ppc"],
139 [powerpc64le], [ARCHTYPE="ppc"],
140 [ppc], [ARCHTYPE="ppc"],
141 [s390], [ARCHTYPE="s390"],
142 [s390x], [ARCHTYPE="s390"],
143 [sparc], [ARCHTYPE="sparc64"],
144 [sparc64], [ARCHTYPE="sparc64"],
145 [alpha*], [ARCHTYPE="alpha"],
146 [ia64], [ARCHTYPE="ia64"],
147 [arm*], [ARCHTYPE="arm"],
148 [aarch64*], [ARCHTYPE="aarch64"],
149 [mips*], [ARCHTYPE="mips"],
150 [nios2*], [ARCHTYPE="nios2"],
151 [tile*], [ARCHTYPE="tile"],
152 [hppa*], [ARCHTYPE="hppa"],
153 [m68k], [ARCHTYPE="m68k"],
154 [riscv*], [ARCHTYPE="riscv"],
155 [ARCHTYPE="unknown"]
156 )
157
158 AS_CASE([$host],[*-cygwin*],
159 [AM_CONDITIONAL(USE_CYGWIN, true)],
160 [AM_CONDITIONAL(USE_CYGWIN, false)]
161 )
162
163 AC_SUBST(ARCHTYPE)
164 AC_SUBST(SUBARCHTYPE)
165
166 UATOMICSRC=include/urcu/uatomic/$ARCHTYPE.h
167 ARCHSRC=include/urcu/arch/$ARCHTYPE.h
168
169 AS_IF([test "x$SUBARCHTYPE" = xx86compat],[
170 AC_DEFINE([CONFIG_RCU_COMPAT_ARCH], [1])
171 ])
172
173 AS_IF([test "$host_cpu" = "armv7l"],[
174 AM_CFLAGS="$AM_CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1"
175 ])
176
177 # ARM-specific checks
178 AS_IF([test "x$ARCHTYPE" = "xarm"],[
179 AC_MSG_CHECKING([for dmb instruction])
180 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
181 int main()
182 {
183 asm volatile("dmb":::"memory");
184 return 0;
185 }
186 ]])
187 ],[
188 AC_MSG_RESULT([yes])
189 AC_DEFINE([CONFIG_RCU_ARM_HAVE_DMB], [1])
190 ],[
191 AC_MSG_RESULT([no])
192 ])
193 ])
194
195 # Tile-specific checks
196 AS_IF([echo "$host_cpu" | grep "^tile"],[
197 AC_MSG_CHECKING([for Tile architecture type])
198 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
199 #ifndef __tilegx__
200 #error
201 #endif
202 ]])
203 ],[
204 AC_MSG_RESULT([ok])
205 ],[
206 AC_MSG_FAILURE([URCU has only been tested on the TileGx architecture. For other Tile* architectures, please run the tests first and report the results to the maintainer so that proper support can be added.])
207 ])
208 ])
209
210 # x86-specific checks
211 AS_IF([test "x$ARCHTYPE" = "xx86"],[
212 AC_MSG_CHECKING([if architecture really supports the mfence instruction])
213 #For now, using lock; addl compatibility mode even for i686, because the
214 #Pentium III is seen as a i686, but lacks mfence instruction.
215 #Only using fence for x86_64.
216 #
217 #k1om is the name for the Intel MIC family (Xeon Phi). It is an x86_64
218 #variant but lacks fence instructions.
219 AS_IF([test "x$host_cpu" != "xi386" -a "x$host_cpu" != "xi486" -a "x$host_cpu" != "xi586" -a "x$host_cpu" != "xi686" -a "x$host_vendor" != "xk1om" -a "x$host_cpu" != "xk1om"],[
220 AC_MSG_RESULT([yes])
221 AC_DEFINE([CONFIG_RCU_HAVE_FENCE], [1])
222 config_rcu_have_fence=yes
223 ],[
224 AC_MSG_RESULT([no])
225 config_rcu_have_fence=no
226 ])
227 ])
228
229 # Check if sys_futex() is available
230 AC_MSG_CHECKING([for sys_futex()])
231 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
232 #include <sys/syscall.h>
233 #ifndef __NR_futex
234 #error "futexes not available"
235 #endif
236 ]])
237 ],[
238 AC_MSG_RESULT([yes])
239 AC_DEFINE([CONFIG_RCU_HAVE_FUTEX], [1])
240 compat_futex_test=0
241 ],[
242 AC_MSG_RESULT([no])
243 compat_futex_test=1
244 ])
245
246 # Search for clock_gettime
247 AC_SEARCH_LIBS([clock_gettime], [rt], [
248 AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])
249 config_rcu_have_clock_gettime=yes
250 ], [])
251
252 AM_CONDITIONAL([COMPAT_FUTEX], [test "x$compat_futex_test" = "x1"])
253 AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" = "xx86compat"])
254 AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
255
256 # smp-support configure option
257 AC_ARG_ENABLE([smp-support],
258 AS_HELP_STRING([--disable-smp-support], [Disable SMP support. Warning: only use this on uniprocessor systems. [default=enabled]]),
259 [def_smp_support=$enableval],
260 [def_smp_support="yes"])
261 AS_IF([test "x$def_smp_support" = "xyes"], [AC_DEFINE([CONFIG_RCU_SMP], [1])])
262
263 # RCU debugging option
264 AC_ARG_ENABLE([rcu-debug],
265 AS_HELP_STRING([--enable-rcu-debug], [Enable internal debugging
266 self-checks. Introduce performance penalty.]))
267 AS_IF([test "x$enable_rcu_debug" = "xyes"], [
268 AC_DEFINE([CONFIG_RCU_DEBUG], [1])
269 ])
270
271 # From the sched_setaffinity(2)'s man page:
272 # ~~~~
273 # The CPU affinity system calls were introduced in Linux kernel 2.5.8.
274 # The library interfaces were introduced in glibc 2.3. Initially, the
275 # glibc interfaces included a cpusetsize argument. In glibc 2.3.3,
276 # the cpuset size argument was removed, but this argument was
277 # restored in glibc 2.3.4.
278 # ~~~~
279
280 # In addition to that, some vendors ported the system call to 2.4
281 # kernels.
282
283 # Furthermore, when the function first appeared, the MASK argument was
284 # an unsigned long pointer, while later it was made into a cpu_set_t
285 # pointer. Systems that have the cpu_set_t version also should have
286 # the CPU_ZERO, CPU_SET, etc. macros.
287
288 # All this mess means we have to cater for at least 3 different
289 # sched_setaffinity prototypes:
290
291 # ~~~~
292 # int sched_setaffinity (pid_t pid, unsigned int len, unsigned long *mask);
293 # int sched_setaffinity (pid_t __pid, size_t __cpusetsize, const cpu_set_t *__cpuset);
294 # int sched_setaffinity (pid_t __pid, const cpu_set_t *__mask);
295 # ~~~~
296
297 AC_CHECK_TYPES([cpu_set_t],
298 [have_cpu_set_t="yes"],
299 [have_cpu_set_t="no"],
300 [#include <sched.h>])
301
302 # Confirm that we have CPU_ZERO, and it actually works.
303 AC_MSG_CHECKING([whether CPU_ZERO works])
304 AH_TEMPLATE([HAVE_CPU_ZERO], [Defined to 1 if we have CPU_ZERO and it works])
305 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
306 #include <sched.h>
307 int main()
308 {
309 cpu_set_t foo; CPU_ZERO(&foo);
310 return 0;
311 }
312 ]])
313 ],[
314 AC_DEFINE(HAVE_CPU_ZERO, 1)
315 AC_MSG_RESULT([yes])
316 ],[
317 AC_MSG_RESULT([no])
318 ])
319
320 # Confirm that we have CPU_SET, and it actually works.
321 AC_MSG_CHECKING([whether CPU_SET works])
322 AH_TEMPLATE([HAVE_CPU_SET], [Defined to 1 if we have CPU_SET and it works])
323 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
324 #include <sched.h>
325 int main()
326 {
327 cpu_set_t foo, mask; CPU_SET(0, &foo);
328 return 0;
329 }
330 ]])
331 ],[
332 AC_DEFINE(HAVE_CPU_SET, 1)
333 AC_MSG_RESULT([yes])
334 ],[
335 AC_MSG_RESULT([no])
336 ])
337
338 # First check if the function is available at all.
339 AC_CHECK_FUNCS([sched_setaffinity],[
340 # Okay, we have it. Check if also have cpu_set_t. If we don't,
341 # then we have the first version using unsigned long, and no
342 # CPU_ZERO, etc. macros. If we do have cpu_set_t, we may have the
343 # version with 2 or 3 arguments. In that case, CPU_ZERO, etc.,
344 # should also be present, but we confirm nonetheless.
345
346 AS_IF([test "x$have_cpu_set_t" = "xyes"], [
347 # We do have it.
348 # Check how many arguments does sched_setaffinity take.
349 # Should be 3 or 2.
350 AC_MSG_CHECKING([how many arguments sched_setaffinity takes])
351 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
352 #include <sched.h>
353 int main()
354 {
355 cpu_set_t foo;
356 sched_setaffinity(0, sizeof (foo), &foo);
357 return 0;
358 }
359 ]])
360 ],
361 [sched_set_affinity_args=3],
362 [sched_set_affinity_args=2])
363 AC_DEFINE_UNQUOTED(SCHED_SETAFFINITY_ARGS,
364 $sched_set_affinity_args,
365 [Defined to sched_setaffinity's number of arguments.])
366 AC_MSG_RESULT([$sched_set_affinity_args])
367 ],[
368 # No cpu_set_t, always 3 args.
369 AC_DEFINE(SCHED_SETAFFINITY_ARGS, 3)
370 ])
371 ])
372
373 AM_CPPFLAGS="-include config.h"
374 AC_SUBST(AM_CPPFLAGS)
375
376 AM_CFLAGS="-Wall -Wextra -Wno-unused-parameter -Wno-sign-compare $AM_CFLAGS"
377 AC_SUBST(AM_CFLAGS)
378
379 AC_CONFIG_LINKS([
380 include/urcu/arch.h:$ARCHSRC
381 include/urcu/uatomic.h:$UATOMICSRC
382 ])
383 AC_CONFIG_FILES([
384 Makefile
385 doc/Makefile
386 doc/examples/Makefile
387 include/Makefile
388 src/Makefile
389 tests/Makefile
390 tests/common/Makefile
391 tests/unit/Makefile
392 tests/benchmark/Makefile
393 tests/regression/Makefile
394 tests/utils/Makefile
395 src/liburcu.pc
396 src/liburcu-bp.pc
397 src/liburcu-cds.pc
398 src/liburcu-qsbr.pc
399 src/liburcu-mb.pc
400 src/liburcu-signal.pc
401 ])
402
403 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_global.tap])
404 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_percpu.tap])
405 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_perthread.tap])
406 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_global.tap])
407 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_percpu.tap])
408 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_perthread.tap])
409 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_global.tap])
410 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_percpu.tap])
411 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_perthread.tap])
412 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_global.tap])
413 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_percpu.tap])
414 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_perthread.tap])
415 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_global.tap])
416 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_percpu.tap])
417 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_perthread.tap])
418 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_global.tap])
419 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_percpu.tap])
420 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_perthread.tap])
421 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_global.tap])
422 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_percpu.tap])
423 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_perthread.tap])
424 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_global.tap])
425 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_percpu.tap])
426 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_perthread.tap])
427 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_global.tap])
428 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_percpu.tap])
429 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_perthread.tap])
430 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_global.tap])
431 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_percpu.tap])
432 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_perthread.tap])
433 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_global.tap])
434 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_percpu.tap])
435 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_perthread.tap])
436 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_global.tap])
437 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_percpu.tap])
438 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_perthread.tap])
439 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_global.tap])
440 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_percpu.tap])
441 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_perthread.tap])
442 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_global.tap])
443 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_percpu.tap])
444 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_perthread.tap])
445 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_global.tap])
446 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_percpu.tap])
447 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_perthread.tap])
448 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_global.tap])
449 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_percpu.tap])
450 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_perthread.tap])
451 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_global.tap])
452 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_percpu.tap])
453 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_perthread.tap])
454 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_global.tap])
455 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_percpu.tap])
456 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_perthread.tap])
457 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_global.tap])
458 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_percpu.tap])
459 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_perthread.tap])
460 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_global.tap])
461 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_percpu.tap])
462 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_perthread.tap])
463
464
465 AC_OUTPUT
466
467 #
468 # Mini-report on what will be built.
469 #
470
471 PPRINT_INIT
472 PPRINT_SET_INDENT(1)
473 PPRINT_SET_TS(38)
474
475 AS_ECHO
476 AS_ECHO("${PPRINT_COLOR_BLDBLU}Userspace-RCU $PACKAGE_VERSION${PPRINT_COLOR_RST}")
477 AS_ECHO
478
479 PPRINT_SUBTITLE([Features])
480
481 PPRINT_PROP_STRING([Target architecture], $host_cpu)
482
483 # SMP support enabled/disabled
484 test "x$def_smp_support" = "xyes" && value=1 || value=0
485 PPRINT_PROP_BOOL([SMP support], $value)
486
487 # Memory fence support available
488 test "x$config_rcu_have_fence" = "xyes" && value=1 || value=0
489 PPRINT_PROP_BOOL([Memory fence instructions], $value)
490
491 # Futex support available
492 test "x$compat_futex_test" = "x0" && value=1 || value=0
493 PPRINT_PROP_BOOL([Futex support], $value)
494
495 # TLS
496 test "x$def_tls_detect" = "x" && value="pthread_getspecific()" || value="$def_tls_detect"
497 PPRINT_PROP_STRING([Thread Local Storage (TLS)], [$value])
498
499 # clock_gettime() available
500 test "x$config_rcu_have_clock_gettime" = "xyes" && value=1 || value=0
501 PPRINT_PROP_BOOL([clock_gettime()], $value)
502
503 # Require membarrier
504 test "x$def_sys_membarrier_fallback" != "xyes" && value=1 || value=0
505 PPRINT_PROP_BOOL([Require membarrier], $value)
506
507 # RCU debug enabled/disabled
508 test "x$enable_rcu_debug" = "xyes" && value=1 || value=0
509 PPRINT_PROP_BOOL([Internal debugging], $value)
510
511 PPRINT_PROP_BOOL([Multi-flavor support], 1)
512
513 report_bindir="`eval eval echo $bindir`"
514 report_libdir="`eval eval echo $libdir`"
515
516 # Print the bindir and libdir this `make install' will install into.
517 AS_ECHO
518 PPRINT_SUBTITLE([Install directories])
519 PPRINT_PROP_STRING([Binaries], [$report_bindir])
520 PPRINT_PROP_STRING([Libraries], [$report_libdir])
521
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