Fix: tls-compat.h exposes compiler-dependent public configuration
[urcu.git] / configure.ac
1 AC_PREREQ(2.59)
2 AC_INIT([userspace-rcu],[0.12.0],[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], [7:0:1])
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([1.12 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 AH_TEMPLATE([CONFIG_CDS_LFHT_ITER_DEBUG], [Enable extra debugging checks for lock-free hash table iterator traversal. Alters the rculfhash ABI. Make sure to compile both library and application with matching configuration.])
33
34 # Allow requiring the operating system to support the membarrier system
35 # call. Applies to default and bulletproof flavors.
36 AC_ARG_ENABLE([sys-membarrier-fallback],
37 AS_HELP_STRING([--disable-sys-membarrier-fallback], [Abort if sys-membarrier is needed but not available rather than using a fallback.]),
38 [def_sys_membarrier_fallback=$enableval],
39 [def_sys_membarrier_fallback="yes"])
40 AS_IF([test "x$def_sys_membarrier_fallback" != "xyes"], [AC_DEFINE([CONFIG_RCU_FORCE_SYS_MEMBARRIER], [1])])
41
42 # Allow overriding storage used for TLS variables.
43 AC_ARG_ENABLE([compiler-tls],
44 AS_HELP_STRING([--disable-compiler-tls], [Use pthread_getspecific() to emulate Thread Local Storage (TLS) variables.]),
45 [def_compiler_tls=$enableval],
46 [def_compiler_tls="yes"])
47
48 # Checks for C compiler
49 AC_USE_SYSTEM_EXTENSIONS
50 AC_PROG_CC
51 AC_PROG_CC_STDC
52
53 AS_IF([test "x$def_compiler_tls" = "xyes"], AC_DEFINE([CONFIG_RCU_TLS], [1]), [:])
54
55 # Checks for programs.
56 AC_PROG_AWK
57 AC_PROG_MAKE_SET
58 AC_CHECK_PROGS(NPROC, [nproc gnproc])
59 AC_CHECK_PROGS(GETCONF, [getconf])
60 AS_IF([test "x$NPROC" != "x"],
61 [NPROC_CMD=$NPROC],
62 [AS_IF([test "x$GETCONF" != "x"],
63 [NPROC_CMD="$GETCONF _NPROCESSORS_ONLN"],
64 [NPROC_CMD="echo 1"]
65 )]
66 )
67 AC_SUBST([NPROC_CMD], [$NPROC_CMD])
68
69 LT_INIT
70
71 # Checks for typedefs, structures, and compiler characteristics.
72 AC_C_INLINE
73 AC_TYPE_PID_T
74 AC_TYPE_SIZE_T
75 AC_TYPE_SSIZE_T
76 AC_TYPE_UINT16_T
77 AC_TYPE_INT32_T
78 AC_TYPE_UINT32_T
79 AC_TYPE_UINT64_T
80 AC_TYPE_UINT8_T
81
82 AX_C___ATTRIBUTE__
83 AS_IF([test "x$ax_cv___attribute__" = "xyes"],
84 [:],
85 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
86
87 AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
88
89 AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS"
90
91 # Checks for library functions.
92 AC_FUNC_MMAP
93 AC_FUNC_FORK
94 AC_CHECK_FUNCS([ \
95 atexit \
96 getcpuid \
97 gettid \
98 gettimeofday \
99 memeset \
100 memset \
101 munmap \
102 rand_r \
103 sched_getcpu \
104 strerror \
105 strtoul \
106 sysconf \
107 ])
108
109 # AC_FUNC_MALLOC causes problems when cross-compiling.
110 #AC_FUNC_MALLOC
111
112 # Check for headers
113 AC_HEADER_STDBOOL
114 AC_CHECK_HEADERS([ \
115 limits.h \
116 stddef.h \
117 sys/param.h \
118 sys/time.h \
119 ])
120
121 # Find arch type
122 AS_CASE([$host_cpu],
123 [k1om], [ARCHTYPE="x86"],
124 [i386], [ARCHTYPE="x86" && SUBARCHTYPE="x86compat"],
125 [i486], [ARCHTYPE="x86"],
126 [i586], [ARCHTYPE="x86"],
127 [i686], [ARCHTYPE="x86"],
128 [amd64], [ARCHTYPE="x86"],
129 [x86_64], [ARCHTYPE="x86"],
130 [powerpc], [ARCHTYPE="ppc"],
131 [ppc64], [ARCHTYPE="ppc"],
132 [powerpc64], [ARCHTYPE="ppc"],
133 [powerpc64le], [ARCHTYPE="ppc"],
134 [ppc], [ARCHTYPE="ppc"],
135 [s390], [ARCHTYPE="s390"],
136 [s390x], [ARCHTYPE="s390"],
137 [sparc], [ARCHTYPE="sparc64"],
138 [sparc64], [ARCHTYPE="sparc64"],
139 [alpha*], [ARCHTYPE="alpha"],
140 [ia64], [ARCHTYPE="ia64"],
141 [arm*], [ARCHTYPE="arm"],
142 [aarch64*], [ARCHTYPE="aarch64"],
143 [mips*], [ARCHTYPE="mips"],
144 [nios2*], [ARCHTYPE="nios2"],
145 [tile*], [ARCHTYPE="tile"],
146 [hppa*], [ARCHTYPE="hppa"],
147 [m68k], [ARCHTYPE="m68k"],
148 [riscv*], [ARCHTYPE="riscv"],
149 [ARCHTYPE="unknown"]
150 )
151
152 AS_CASE([$host],[*-cygwin*],
153 [AM_CONDITIONAL(USE_CYGWIN, true)],
154 [AM_CONDITIONAL(USE_CYGWIN, false)]
155 )
156
157 AC_SUBST(ARCHTYPE)
158 AC_SUBST(SUBARCHTYPE)
159
160 UATOMICSRC=include/urcu/uatomic/$ARCHTYPE.h
161 ARCHSRC=include/urcu/arch/$ARCHTYPE.h
162
163 AS_IF([test "x$SUBARCHTYPE" = xx86compat],[
164 AC_DEFINE([CONFIG_RCU_COMPAT_ARCH], [1])
165 ])
166
167 AS_IF([test "$host_cpu" = "armv7l"],[
168 AM_CFLAGS="$AM_CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1"
169 ])
170
171 # ARM-specific checks
172 AS_IF([test "x$ARCHTYPE" = "xarm"],[
173 AC_MSG_CHECKING([for dmb instruction])
174 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
175 int main()
176 {
177 asm volatile("dmb":::"memory");
178 return 0;
179 }
180 ]])
181 ],[
182 AC_MSG_RESULT([yes])
183 AC_DEFINE([CONFIG_RCU_ARM_HAVE_DMB], [1])
184 ],[
185 AC_MSG_RESULT([no])
186 ])
187 ])
188
189 # Tile-specific checks
190 AS_IF([echo "$host_cpu" | grep "^tile"],[
191 AC_MSG_CHECKING([for Tile architecture type])
192 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
193 #ifndef __tilegx__
194 #error
195 #endif
196 ]])
197 ],[
198 AC_MSG_RESULT([ok])
199 ],[
200 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.])
201 ])
202 ])
203
204 # x86-specific checks
205 AS_IF([test "x$ARCHTYPE" = "xx86"],[
206 AC_MSG_CHECKING([if architecture really supports the mfence instruction])
207 #For now, using lock; addl compatibility mode even for i686, because the
208 #Pentium III is seen as a i686, but lacks mfence instruction.
209 #Only using fence for x86_64.
210 #
211 #k1om is the name for the Intel MIC family (Xeon Phi). It is an x86_64
212 #variant but lacks fence instructions.
213 AS_IF([test "x$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$host_cpu" != "xk1om"],[
214 AC_MSG_RESULT([yes])
215 AC_DEFINE([CONFIG_RCU_HAVE_FENCE], [1])
216 config_rcu_have_fence=yes
217 ],[
218 AC_MSG_RESULT([no])
219 config_rcu_have_fence=no
220 ])
221 ])
222
223 # Check if sys_futex() is available
224 AC_MSG_CHECKING([for sys_futex()])
225 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
226 #include <sys/syscall.h>
227 #ifndef __NR_futex
228 #error "futexes not available"
229 #endif
230 ]])
231 ],[
232 AC_MSG_RESULT([yes])
233 AC_DEFINE([CONFIG_RCU_HAVE_FUTEX], [1])
234 compat_futex_test=0
235 ],[
236 AC_MSG_RESULT([no])
237 compat_futex_test=1
238 ])
239
240 # Search for clock_gettime
241 AC_SEARCH_LIBS([clock_gettime], [rt], [
242 AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])
243 config_rcu_have_clock_gettime=yes
244 ], [])
245
246 AM_CONDITIONAL([COMPAT_FUTEX], [test "x$compat_futex_test" = "x1"])
247 AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" = "xx86compat"])
248 AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
249
250 # smp-support configure option
251 AC_ARG_ENABLE([smp-support],
252 AS_HELP_STRING([--disable-smp-support], [Disable SMP support. Warning: only use this on uniprocessor systems. [default=enabled]]),
253 [def_smp_support=$enableval],
254 [def_smp_support="yes"])
255 AS_IF([test "x$def_smp_support" = "xyes"], [AC_DEFINE([CONFIG_RCU_SMP], [1])])
256
257 # RCU debugging option
258 AC_ARG_ENABLE([rcu-debug],
259 AS_HELP_STRING([--enable-rcu-debug], [Enable internal debugging
260 self-checks. Introduce performance penalty.]))
261 AS_IF([test "x$enable_rcu_debug" = "xyes"], [
262 AC_DEFINE([CONFIG_RCU_DEBUG], [1])
263 ])
264
265 # rculfhash iterator debugging
266 AC_ARG_ENABLE([cds-lfht-iter-debug],
267 AS_HELP_STRING([--enable-cds-lfht-iter-debug], [Enable extra debugging checks for lock-free hash table iterator traversal. Alters the rculfhash ABI. Make sure to compile both library and application with matching configuration.]))
268 AS_IF([test "x$enable_cds_lfht_iter_debug" = "xyes"], [
269 AC_DEFINE([CONFIG_CDS_LFHT_ITER_DEBUG], [1])
270 ])
271
272 # From the sched_setaffinity(2)'s man page:
273 # ~~~~
274 # The CPU affinity system calls were introduced in Linux kernel 2.5.8.
275 # The library interfaces were introduced in glibc 2.3. Initially, the
276 # glibc interfaces included a cpusetsize argument. In glibc 2.3.3,
277 # the cpuset size argument was removed, but this argument was
278 # restored in glibc 2.3.4.
279 # ~~~~
280
281 # In addition to that, some vendors ported the system call to 2.4
282 # kernels.
283
284 # Furthermore, when the function first appeared, the MASK argument was
285 # an unsigned long pointer, while later it was made into a cpu_set_t
286 # pointer. Systems that have the cpu_set_t version also should have
287 # the CPU_ZERO, CPU_SET, etc. macros.
288
289 # All this mess means we have to cater for at least 3 different
290 # sched_setaffinity prototypes:
291
292 # ~~~~
293 # int sched_setaffinity (pid_t pid, unsigned int len, unsigned long *mask);
294 # int sched_setaffinity (pid_t __pid, size_t __cpusetsize, const cpu_set_t *__cpuset);
295 # int sched_setaffinity (pid_t __pid, const cpu_set_t *__mask);
296 # ~~~~
297
298 AC_CHECK_TYPES([cpu_set_t],
299 [have_cpu_set_t="yes"],
300 [have_cpu_set_t="no"],
301 [#include <sched.h>])
302
303 # Confirm that we have CPU_ZERO, and it actually works.
304 AC_MSG_CHECKING([whether CPU_ZERO works])
305 AH_TEMPLATE([HAVE_CPU_ZERO], [Defined to 1 if we have CPU_ZERO and it works])
306 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
307 #include <sched.h>
308 int main()
309 {
310 cpu_set_t foo; CPU_ZERO(&foo);
311 return 0;
312 }
313 ]])
314 ],[
315 AC_DEFINE(HAVE_CPU_ZERO, 1)
316 AC_MSG_RESULT([yes])
317 ],[
318 AC_MSG_RESULT([no])
319 ])
320
321 # Confirm that we have CPU_SET, and it actually works.
322 AC_MSG_CHECKING([whether CPU_SET works])
323 AH_TEMPLATE([HAVE_CPU_SET], [Defined to 1 if we have CPU_SET and it works])
324 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
325 #include <sched.h>
326 int main()
327 {
328 cpu_set_t foo; CPU_SET(0, &foo);
329 return 0;
330 }
331 ]])
332 ],[
333 AC_DEFINE(HAVE_CPU_SET, 1)
334 AC_MSG_RESULT([yes])
335 ],[
336 AC_MSG_RESULT([no])
337 ])
338
339 # First check if the function is available at all.
340 AC_CHECK_FUNCS([sched_setaffinity],[
341 # Okay, we have it. Check if also have cpu_set_t. If we don't,
342 # then we have the first version using unsigned long, and no
343 # CPU_ZERO, etc. macros. If we do have cpu_set_t, we may have the
344 # version with 2 or 3 arguments. In that case, CPU_ZERO, etc.,
345 # should also be present, but we confirm nonetheless.
346
347 AS_IF([test "x$have_cpu_set_t" = "xyes"], [
348 # We do have it.
349 # Check how many arguments does sched_setaffinity take.
350 # Should be 3 or 2.
351 AC_MSG_CHECKING([how many arguments sched_setaffinity takes])
352 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
353 #include <sched.h>
354 int main()
355 {
356 cpu_set_t foo;
357 sched_setaffinity(0, sizeof (foo), &foo);
358 return 0;
359 }
360 ]])
361 ],
362 [sched_set_affinity_args=3],
363 [sched_set_affinity_args=2])
364 AC_DEFINE_UNQUOTED(SCHED_SETAFFINITY_ARGS,
365 $sched_set_affinity_args,
366 [Defined to sched_setaffinity's number of arguments.])
367 AC_MSG_RESULT([$sched_set_affinity_args])
368 ],[
369 # No cpu_set_t, always 3 args.
370 AC_DEFINE(SCHED_SETAFFINITY_ARGS, 3)
371 ])
372 ])
373
374 AM_CPPFLAGS="-include config.h"
375 AC_SUBST(AM_CPPFLAGS)
376
377 AM_CFLAGS="-Wall -Wextra -Wno-unused-parameter $AM_CFLAGS"
378 AC_SUBST(AM_CFLAGS)
379
380 AC_CONFIG_LINKS([
381 include/urcu/arch.h:$ARCHSRC
382 include/urcu/uatomic.h:$UATOMICSRC
383 ])
384 AC_CONFIG_FILES([
385 Makefile
386 doc/Makefile
387 doc/examples/Makefile
388 include/Makefile
389 src/Makefile
390 tests/Makefile
391 tests/common/Makefile
392 tests/unit/Makefile
393 tests/benchmark/Makefile
394 tests/regression/Makefile
395 tests/utils/Makefile
396 src/liburcu.pc
397 src/liburcu-bp.pc
398 src/liburcu-cds.pc
399 src/liburcu-qsbr.pc
400 src/liburcu-mb.pc
401 src/liburcu-signal.pc
402 ])
403
404 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_global.tap])
405 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_percpu.tap])
406 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_perthread.tap])
407 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_global.tap])
408 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_percpu.tap])
409 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_perthread.tap])
410 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_global.tap])
411 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_percpu.tap])
412 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_perthread.tap])
413 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_global.tap])
414 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_percpu.tap])
415 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_perthread.tap])
416 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_global.tap])
417 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_percpu.tap])
418 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_perthread.tap])
419 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_global.tap])
420 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_percpu.tap])
421 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_perthread.tap])
422 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_global.tap])
423 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_percpu.tap])
424 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_perthread.tap])
425 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_global.tap])
426 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_percpu.tap])
427 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_perthread.tap])
428 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_global.tap])
429 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_percpu.tap])
430 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_perthread.tap])
431 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_global.tap])
432 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_percpu.tap])
433 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_perthread.tap])
434 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_global.tap])
435 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_percpu.tap])
436 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_perthread.tap])
437 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_global.tap])
438 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_percpu.tap])
439 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_perthread.tap])
440 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_global.tap])
441 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_percpu.tap])
442 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_perthread.tap])
443 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_global.tap])
444 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_percpu.tap])
445 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_perthread.tap])
446 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_global.tap])
447 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_percpu.tap])
448 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_perthread.tap])
449 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_global.tap])
450 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_percpu.tap])
451 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_perthread.tap])
452 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_global.tap])
453 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_percpu.tap])
454 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_perthread.tap])
455 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_global.tap])
456 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_percpu.tap])
457 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_perthread.tap])
458 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_global.tap])
459 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_percpu.tap])
460 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_perthread.tap])
461 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_global.tap])
462 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_percpu.tap])
463 AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_perthread.tap])
464
465
466 AC_OUTPUT
467
468 #
469 # Mini-report on what will be built.
470 #
471
472 PPRINT_INIT
473 PPRINT_SET_INDENT(1)
474 PPRINT_SET_TS(38)
475
476 AS_ECHO
477 AS_ECHO("${PPRINT_COLOR_BLDBLU}Userspace-RCU $PACKAGE_VERSION${PPRINT_COLOR_RST}")
478 AS_ECHO
479
480 PPRINT_SUBTITLE([Features])
481
482 PPRINT_PROP_STRING([Target architecture], $host_cpu)
483
484 # SMP support enabled/disabled
485 test "x$def_smp_support" = "xyes" && value=1 || value=0
486 PPRINT_PROP_BOOL([SMP support], $value)
487
488 # Memory fence support available
489 test "x$config_rcu_have_fence" = "xyes" && value=1 || value=0
490 PPRINT_PROP_BOOL([Memory fence instructions], $value)
491
492 # Futex support available
493 test "x$compat_futex_test" = "x0" && value=1 || value=0
494 PPRINT_PROP_BOOL([Futex support], $value)
495
496 # TLS
497 test "x$def_compiler_tls" = "xyes" && value="compiler TLS" || value="pthread_getspecific()"
498 PPRINT_PROP_STRING([Thread Local Storage (TLS)], [$value])
499
500 # clock_gettime() available
501 test "x$config_rcu_have_clock_gettime" = "xyes" && value=1 || value=0
502 PPRINT_PROP_BOOL([clock_gettime()], $value)
503
504 # Require membarrier
505 test "x$def_sys_membarrier_fallback" != "xyes" && value=1 || value=0
506 PPRINT_PROP_BOOL([Require membarrier], $value)
507
508 # RCU debug enabled/disabled
509 test "x$enable_rcu_debug" = "xyes" && value=1 || value=0
510 PPRINT_PROP_BOOL([Internal debugging], $value)
511
512 # rculfhash iterator debug enabled/disabled
513 test "x$enable_cds_lfht_iter_debug" = "xyes" && value=1 || value=0
514 PPRINT_PROP_BOOL([Lock-free hash table iterator debugging], $value)
515
516 PPRINT_PROP_BOOL([Multi-flavor support], 1)
517
518 report_bindir="`eval eval echo $bindir`"
519 report_libdir="`eval eval echo $libdir`"
520
521 # Print the bindir and libdir this `make install' will install into.
522 AS_ECHO
523 PPRINT_SUBTITLE([Install directories])
524 PPRINT_PROP_STRING([Binaries], [$report_bindir])
525 PPRINT_PROP_STRING([Libraries], [$report_libdir])
526
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