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Compile time futex syscall detection
[urcu.git] / configure.ac
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1AC_PREREQ(2.59)
2AC_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
6AC_SUBST([URCU_LIBRARY_VERSION], [7:0:1])
7
8AC_CONFIG_HEADERS([include/config.h include/urcu/config.h])
9AC_CONFIG_AUX_DIR([config])
10AC_CONFIG_MACRO_DIR([m4])
11
12AC_CANONICAL_TARGET
13AC_CANONICAL_HOST
14
15AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip nostdinc])
16AM_MAINTAINER_MODE([enable])
17
18# Enable silent rules if available (Introduced in AM 1.11)
19m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
20
21AC_REQUIRE_AUX_FILE([tap-driver.sh])
22
23AH_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.])
24AH_TEMPLATE([CONFIG_RCU_ARM_HAVE_DMB], [Use the dmb instruction if available for use on ARM.])
25AH_TEMPLATE([CONFIG_RCU_TLS], [TLS provided by the compiler.])
26AH_TEMPLATE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [clock_gettime() is detected.])
27AH_TEMPLATE([CONFIG_RCU_FORCE_SYS_MEMBARRIER], [Require the operating system to support the membarrier system call for default and bulletproof flavors.])
28AH_TEMPLATE([CONFIG_RCU_DEBUG], [Enable internal debugging self-checks. Introduces a performance penalty.])
29AH_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.])
30
31# Allow requiring the operating system to support the membarrier system
32# call. Applies to default and bulletproof flavors.
33AC_ARG_ENABLE([sys-membarrier-fallback],
34 AS_HELP_STRING([--disable-sys-membarrier-fallback], [Abort if sys-membarrier is needed but not available rather than using a fallback.]),
35 [def_sys_membarrier_fallback=$enableval],
36 [def_sys_membarrier_fallback="yes"])
37AS_IF([test "x$def_sys_membarrier_fallback" != "xyes"], [AC_DEFINE([CONFIG_RCU_FORCE_SYS_MEMBARRIER], [1])])
38
39# Allow overriding storage used for TLS variables.
40AC_ARG_ENABLE([compiler-tls],
41 AS_HELP_STRING([--disable-compiler-tls], [Use pthread_getspecific() to emulate Thread Local Storage (TLS) variables.]),
42 [def_compiler_tls=$enableval],
43 [def_compiler_tls="yes"])
44
45# Checks for C compiler
46AC_USE_SYSTEM_EXTENSIONS
47AC_PROG_CC
48AC_PROG_CC_STDC
49
50AS_IF([test "x$def_compiler_tls" = "xyes"], AC_DEFINE([CONFIG_RCU_TLS], [1]), [:])
51
52# Checks for programs.
53AC_PROG_AWK
54AC_PROG_MAKE_SET
55AC_CHECK_PROGS(NPROC, [nproc gnproc])
56AC_CHECK_PROGS(GETCONF, [getconf])
57AS_IF([test "x$NPROC" != "x"],
58 [NPROC_CMD=$NPROC],
59 [AS_IF([test "x$GETCONF" != "x"],
60 [NPROC_CMD="$GETCONF _NPROCESSORS_ONLN"],
61 [NPROC_CMD="echo 1"]
62 )]
63)
64AC_SUBST([NPROC_CMD], [$NPROC_CMD])
65
66LT_INIT
67
68# Checks for typedefs, structures, and compiler characteristics.
69AC_C_INLINE
70AC_TYPE_PID_T
71AC_TYPE_SIZE_T
72AC_TYPE_SSIZE_T
73AC_TYPE_UINT16_T
74AC_TYPE_INT32_T
75AC_TYPE_UINT32_T
76AC_TYPE_UINT64_T
77AC_TYPE_UINT8_T
78
79AX_C___ATTRIBUTE__
80AS_IF([test "x$ax_cv___attribute__" = "xyes"],
81 [:],
82 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
83
84AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
85
86AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS"
87
88# Checks for library functions.
89AC_FUNC_MMAP
90AC_FUNC_FORK
91AC_CHECK_FUNCS([ \
92 atexit \
93 getcpuid \
94 gettid \
95 gettimeofday \
96 memeset \
97 memset \
98 munmap \
99 rand_r \
100 sched_getcpu \
101 strerror \
102 strtoul \
103 sysconf \
104])
105
106# AC_FUNC_MALLOC causes problems when cross-compiling.
107#AC_FUNC_MALLOC
108
109# Check for headers
110AC_HEADER_STDBOOL
111AC_CHECK_HEADERS([ \
112 limits.h \
113 stddef.h \
114 sys/param.h \
115 sys/time.h \
116])
117
118AS_CASE([$host],[*-cygwin*],
119 [AM_CONDITIONAL(USE_CYGWIN, true)],
120 [AM_CONDITIONAL(USE_CYGWIN, false)]
121)
122
123AS_IF([test "$host_cpu" = "armv7l"],[
124 AM_CFLAGS="$AM_CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1"
125])
126
127# ARM-specific checks
128AS_CASE([$host_cpu], [arm*], [
129 AC_MSG_CHECKING([for dmb instruction])
130 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
131 int main()
132 {
133 asm volatile("dmb":::"memory");
134 return 0;
135 }
136 ]])
137 ],[
138 AC_MSG_RESULT([yes])
139 AC_DEFINE([CONFIG_RCU_ARM_HAVE_DMB], [1])
140 ],[
141 AC_MSG_RESULT([no])
142 ])
143])
144
145# Search for clock_gettime
146AC_SEARCH_LIBS([clock_gettime], [rt], [
147 AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])
148 config_rcu_have_clock_gettime=yes
149], [])
150
151AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
152
153# smp-support configure option
154AC_ARG_ENABLE([smp-support],
155 AS_HELP_STRING([--disable-smp-support], [Disable SMP support. Warning: only use this on uniprocessor systems. [default=enabled]]),
156 [def_smp_support=$enableval],
157 [def_smp_support="yes"])
158AS_IF([test "x$def_smp_support" = "xyes"], [AC_DEFINE([CONFIG_RCU_SMP], [1])])
159
160# RCU debugging option
161AC_ARG_ENABLE([rcu-debug],
162 AS_HELP_STRING([--enable-rcu-debug], [Enable internal debugging
163 self-checks. Introduces a performance penalty.]))
164AS_IF([test "x$enable_rcu_debug" = "xyes"], [
165 AC_DEFINE([CONFIG_RCU_DEBUG], [1])
166])
167
168# rculfhash iterator debugging
169AC_ARG_ENABLE([cds-lfht-iter-debug],
170 AS_HELP_STRING([--enable-cds-lfht-iter-debug], [Enable extra debugging checks for lock-free hash table iterator traversal. Alters the rculfhash ABI. Make sure to compile both library and application with matching configuration.]))
171AS_IF([test "x$enable_cds_lfht_iter_debug" = "xyes"], [
172 AC_DEFINE([CONFIG_CDS_LFHT_ITER_DEBUG], [1])
173])
174
175# From the sched_setaffinity(2)'s man page:
176# ~~~~
177# The CPU affinity system calls were introduced in Linux kernel 2.5.8.
178# The library interfaces were introduced in glibc 2.3. Initially, the
179# glibc interfaces included a cpusetsize argument. In glibc 2.3.3,
180# the cpuset size argument was removed, but this argument was
181# restored in glibc 2.3.4.
182# ~~~~
183
184# In addition to that, some vendors ported the system call to 2.4
185# kernels.
186
187# Furthermore, when the function first appeared, the MASK argument was
188# an unsigned long pointer, while later it was made into a cpu_set_t
189# pointer. Systems that have the cpu_set_t version also should have
190# the CPU_ZERO, CPU_SET, etc. macros.
191
192# All this mess means we have to cater for at least 3 different
193# sched_setaffinity prototypes:
194
195# ~~~~
196# int sched_setaffinity (pid_t pid, unsigned int len, unsigned long *mask);
197# int sched_setaffinity (pid_t __pid, size_t __cpusetsize, const cpu_set_t *__cpuset);
198# int sched_setaffinity (pid_t __pid, const cpu_set_t *__mask);
199# ~~~~
200
201AC_CHECK_TYPES([cpu_set_t],
202 [have_cpu_set_t="yes"],
203 [have_cpu_set_t="no"],
204 [#include <sched.h>])
205
206# Confirm that we have CPU_ZERO, and it actually works.
207AC_MSG_CHECKING([whether CPU_ZERO works])
208AH_TEMPLATE([HAVE_CPU_ZERO], [Defined to 1 if we have CPU_ZERO and it works])
209AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
210 #include <sched.h>
211 int main()
212 {
213 cpu_set_t foo; CPU_ZERO(&foo);
214 return 0;
215 }
216 ]])
217],[
218 AC_DEFINE(HAVE_CPU_ZERO, 1)
219 AC_MSG_RESULT([yes])
220],[
221 AC_MSG_RESULT([no])
222])
223
224# Confirm that we have CPU_SET, and it actually works.
225AC_MSG_CHECKING([whether CPU_SET works])
226AH_TEMPLATE([HAVE_CPU_SET], [Defined to 1 if we have CPU_SET and it works])
227AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
228 #include <sched.h>
229 int main()
230 {
231 cpu_set_t foo; CPU_SET(0, &foo);
232 return 0;
233 }
234 ]])
235],[
236 AC_DEFINE(HAVE_CPU_SET, 1)
237 AC_MSG_RESULT([yes])
238],[
239 AC_MSG_RESULT([no])
240])
241
242# First check if the function is available at all.
243AC_CHECK_FUNCS([sched_setaffinity],[
244 # Okay, we have it. Check if also have cpu_set_t. If we don't,
245 # then we have the first version using unsigned long, and no
246 # CPU_ZERO, etc. macros. If we do have cpu_set_t, we may have the
247 # version with 2 or 3 arguments. In that case, CPU_ZERO, etc.,
248 # should also be present, but we confirm nonetheless.
249
250 AS_IF([test "x$have_cpu_set_t" = "xyes"], [
251 # We do have it.
252 # Check how many arguments does sched_setaffinity take.
253 # Should be 3 or 2.
254 AC_MSG_CHECKING([how many arguments sched_setaffinity takes])
255 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
256 #include <sched.h>
257 int main()
258 {
259 cpu_set_t foo;
260 sched_setaffinity(0, sizeof (foo), &foo);
261 return 0;
262 }
263 ]])
264 ],
265 [sched_set_affinity_args=3],
266 [sched_set_affinity_args=2])
267 AC_DEFINE_UNQUOTED(SCHED_SETAFFINITY_ARGS,
268 $sched_set_affinity_args,
269 [Defined to sched_setaffinity's number of arguments.])
270 AC_MSG_RESULT([$sched_set_affinity_args])
271 ],[
272 # No cpu_set_t, always 3 args.
273 AC_DEFINE(SCHED_SETAFFINITY_ARGS, 3)
274 ])
275])
276
277AM_CPPFLAGS="-include config.h"
278AC_SUBST(AM_CPPFLAGS)
279
280AM_CFLAGS="-Wall -Wextra -Wno-unused-parameter $AM_CFLAGS"
281AC_SUBST(AM_CFLAGS)
282
283AC_CONFIG_FILES([
284 Makefile
285 doc/Makefile
286 doc/examples/Makefile
287 include/Makefile
288 src/Makefile
289 tests/Makefile
290 tests/common/Makefile
291 tests/unit/Makefile
292 tests/benchmark/Makefile
293 tests/regression/Makefile
294 tests/utils/Makefile
295 src/liburcu.pc
296 src/liburcu-bp.pc
297 src/liburcu-cds.pc
298 src/liburcu-qsbr.pc
299 src/liburcu-mb.pc
300 src/liburcu-signal.pc
301])
302
303AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_global.tap])
304AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_percpu.tap])
305AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_perthread.tap])
306AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_global.tap])
307AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_percpu.tap])
308AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_perthread.tap])
309AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_global.tap])
310AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_percpu.tap])
311AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_perthread.tap])
312AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_global.tap])
313AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_percpu.tap])
314AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_perthread.tap])
315AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_global.tap])
316AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_percpu.tap])
317AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_perthread.tap])
318AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_global.tap])
319AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_percpu.tap])
320AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_perthread.tap])
321AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_global.tap])
322AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_percpu.tap])
323AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_perthread.tap])
324AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_global.tap])
325AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_percpu.tap])
326AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_perthread.tap])
327AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_global.tap])
328AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_percpu.tap])
329AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_perthread.tap])
330AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_global.tap])
331AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_percpu.tap])
332AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_perthread.tap])
333AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_global.tap])
334AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_percpu.tap])
335AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_perthread.tap])
336AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_global.tap])
337AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_percpu.tap])
338AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_perthread.tap])
339AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_global.tap])
340AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_percpu.tap])
341AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_perthread.tap])
342AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_global.tap])
343AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_percpu.tap])
344AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_perthread.tap])
345AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_global.tap])
346AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_percpu.tap])
347AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_perthread.tap])
348AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_global.tap])
349AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_percpu.tap])
350AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_perthread.tap])
351AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_global.tap])
352AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_percpu.tap])
353AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_perthread.tap])
354AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_global.tap])
355AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_percpu.tap])
356AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_perthread.tap])
357AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_global.tap])
358AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_percpu.tap])
359AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_perthread.tap])
360AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_global.tap])
361AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_percpu.tap])
362AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_perthread.tap])
363
364
365AC_OUTPUT
366
367#
368# Mini-report on what will be built.
369#
370
371PPRINT_INIT
372PPRINT_SET_INDENT(1)
373PPRINT_SET_TS(38)
374
375AS_ECHO
376AS_ECHO("${PPRINT_COLOR_BLDBLU}Userspace-RCU $PACKAGE_VERSION${PPRINT_COLOR_RST}")
377AS_ECHO
378
379PPRINT_SUBTITLE([Features])
380
381PPRINT_PROP_STRING([Target architecture], $host_cpu)
382
383# SMP support enabled/disabled
384test "x$def_smp_support" = "xyes" && value=1 || value=0
385PPRINT_PROP_BOOL([SMP support], $value)
386
387# TLS
388test "x$def_compiler_tls" = "xyes" && value="compiler TLS" || value="pthread_getspecific()"
389PPRINT_PROP_STRING([Thread Local Storage (TLS)], [$value])
390
391# clock_gettime() available
392test "x$config_rcu_have_clock_gettime" = "xyes" && value=1 || value=0
393PPRINT_PROP_BOOL([clock_gettime()], $value)
394
395# Require membarrier
396test "x$def_sys_membarrier_fallback" != "xyes" && value=1 || value=0
397PPRINT_PROP_BOOL([Require membarrier], $value)
398
399# RCU debug enabled/disabled
400test "x$enable_rcu_debug" = "xyes" && value=1 || value=0
401PPRINT_PROP_BOOL([Internal debugging], $value)
402
403# rculfhash iterator debug enabled/disabled
404test "x$enable_cds_lfht_iter_debug" = "xyes" && value=1 || value=0
405PPRINT_PROP_BOOL([Lock-free hash table iterator debugging], $value)
406
407PPRINT_PROP_BOOL([Multi-flavor support], 1)
408
409report_bindir="`eval eval echo $bindir`"
410report_libdir="`eval eval echo $libdir`"
411
412# Print the bindir and libdir this `make install' will install into.
413AS_ECHO
414PPRINT_SUBTITLE([Install directories])
415PPRINT_PROP_STRING([Binaries], [$report_bindir])
416PPRINT_PROP_STRING([Libraries], [$report_libdir])
417
Userspace RCU (urcu) for Linux
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