-# -*- Autoconf -*-
-# Process this file with autoconf to produce a configure script.
+dnl SPDX-License-Identifier: LGPL-2.1-only
+dnl
+dnl Copyright (C) 2021 EfficiOS, Inc.
+dnl
+dnl Process this file with autoconf to produce a configure script.
+
+# Project version information
+m4_define([urcu_version_major], [0])
+m4_define([urcu_version_minor], [13])
+m4_define([urcu_version_patch], [0])
+m4_define([urcu_version_dev_stage], [])
+m4_define([urcu_version], urcu_version_major[.]urcu_version_minor[.]urcu_version_patch[]urcu_version_dev_stage)
+
+# Library version information of "liburcu"
+# Following the numbering scheme proposed by libtool for the library version
+# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
+m4_define([urcu_lib_version_current], [8])
+m4_define([urcu_lib_version_revision], [0])
+m4_define([urcu_lib_version_age], [0])
+m4_define([urcu_lib_version], urcu_lib_version_current[:]urcu_lib_version_revision[:]urcu_lib_version_age)
-AC_INIT([userspace-rcu],[0.8.0],[mathieu dot desnoyers at efficios dot com])
+## ##
+## Autoconf base setup ##
+## ##
-# Following the numbering scheme proposed by libtool for the library version
-# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-AC_SUBST([URCU_LIBRARY_VERSION], [3:0:0])
+AC_PREREQ([2.69])
+AC_INIT([userspace-rcu],[urcu_version],[mathieu dot desnoyers at efficios dot com],[],[http://liburcu.org/])
+AC_CONFIG_HEADERS([include/config.h include/urcu/config.h])
AC_CONFIG_AUX_DIR([config])
-AC_CONFIG_MACRO_DIR([config])
+AC_CONFIG_MACRO_DIR([m4])
+
AC_CANONICAL_TARGET
AC_CANONICAL_HOST
-AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
-m4_include([config/ax_tls.m4])
-AC_CONFIG_SRCDIR([urcu.h])
+## ##
+## Automake base setup ##
+## ##
-AC_CONFIG_HEADERS([config.h urcu/config.h])
+AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip nostdinc -Wall -Wno-portability -Werror])
+AM_MAINTAINER_MODE([enable])
-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.])
-AH_TEMPLATE([CONFIG_RCU_HAVE_FENCE], [Defined when on a system that has memory fence instructions.])
-AH_TEMPLATE([CONFIG_RCU_HAVE_FUTEX], [Defined when on a system with futex support.])
-AH_TEMPLATE([CONFIG_RCU_COMPAT_ARCH], [Compatibility mode for i386 which lacks cmpxchg instruction.])
-AH_TEMPLATE([CONFIG_RCU_ARM_HAVE_DMB], [Use the dmb instruction if available for use on ARM.])
-AH_TEMPLATE([CONFIG_RCU_TLS], [TLS provided by the compiler.])
+# Enable silent rules by default
+AM_SILENT_RULES([yes])
-# Allow overriding storage used for TLS variables.
-AC_ARG_ENABLE([compiler-tls],
- AS_HELP_STRING([--disable-compiler-tls], [Use pthread_getspecific() to emulate Thread Local Storage (TLS) variables.]),
- [def_compiler_tls=$enableval],
- [def_compiler_tls="yes"])
-# If not overridden, use ax_tls.m4 to check if TLS is available.
-AS_IF([test "x$def_compiler_tls" = "xyes"],
- [AX_TLS([def_tls_detect=$ac_cv_tls], [:])],
- [:])
+## ##
+## OS and Arch specific defaults ##
+## ##
+
+AS_CASE([$host],
+ [*-cygwin*], [LT_NO_UNDEFINED="-no-undefined"]
+)
-AS_IF([test "x$def_tls_detect" = "x"],
- [:],
- [AC_DEFINE_UNQUOTED([CONFIG_RCU_TLS], $def_tls_detect)])
-# Checks for programs.
+## ##
+## C compiler checks ##
+## ##
+
+# Choose the C compiler
AC_PROG_CC
-AC_PROG_MAKE_SET
-LT_INIT
+# AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
+m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
+
+# Make sure the C compiler supports C99
+AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])])
+
+# Enable available system extensions and LFS support
+AC_USE_SYSTEM_EXTENSIONS
+AC_SYS_LARGEFILE
+
+# Make sure the C compiler supports __attribute__
+AX_C___ATTRIBUTE__
+AS_IF([test "x$ax_cv___attribute__" != "xyes"],
+ [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
+
+# Make sure we have pthread support
+AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
+AC_C_TYPEOF
+AC_TYPE_INT32_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+AC_TYPE_UINT16_T
+AC_TYPE_UINT32_T
+AC_TYPE_UINT64_T
+AC_TYPE_UINT8_T
+
+# Detect warning flags supported by the C compiler and append them to
+# WARN_CFLAGS.
+m4_define([WARN_FLAGS_LIST], [ dnl
+ -Wall dnl
+ -Wextra dnl
+ -Wmissing-prototypes dnl
+ -Wmissing-declarations dnl
+ -Wnull-dereference dnl
+ -Wundef dnl
+ -Wshadow dnl
+ -Wjump-misses-init dnl
+ -Wsuggest-attribute=format dnl
+ -Wtautological-constant-out-of-range-compare dnl
+ -Wnested-externs dnl
+ -Wwrite-strings dnl
+ -Wformat=2 dnl
+ -Wstrict-aliasing dnl
+ -Wmissing-noreturn dnl
+ -Winit-self dnl
+ -Wduplicated-cond dnl
+ -Wduplicated-branches dnl
+ -Wlogical-op dnl
+ dnl
+ dnl-Wredundant-decls dnl
+ -Wno-null-dereference dnl
+])
-# Checks for library functions.
-AC_FUNC_MALLOC
-AC_FUNC_MMAP
-AC_CHECK_FUNCS([bzero gettimeofday munmap sched_getcpu strtoul sysconf])
-
-# Find arch type
-AS_CASE([$host_cpu],
- [i386], [ARCHTYPE="x86" && SUBARCHTYPE="x86compat"],
- [i486], [ARCHTYPE="x86"],
- [i586], [ARCHTYPE="x86"],
- [i686], [ARCHTYPE="x86"],
- [amd64], [ARCHTYPE="x86"],
- [x86_64], [ARCHTYPE="x86"],
- [powerpc], [ARCHTYPE="ppc"],
- [ppc64], [ARCHTYPE="ppc"],
- [powerpc64], [ARCHTYPE="ppc"],
- [ppc], [ARCHTYPE="ppc"],
- [s390], [ARCHTYPE="s390"],
- [s390x], [ARCHTYPE="s390"],
- [sparc], [ARCHTYPE="sparc64"],
- [sparc64], [ARCHTYPE="sparc64"],
- [alpha*], [ARCHTYPE="alpha"],
- [ia64], [ARCHTYPE="gcc"],
- [arm*], [ARCHTYPE="arm"],
- [mips*], [ARCHTYPE="mips"],
- [tile*], [ARCHTYPE="gcc"],
- [ARCHTYPE="unknown"]
-)
+# Pass -Werror as an extra flag during the test: this is needed to make the
+# -Wunknown-warning-option diagnostic fatal with clang.
+AC_LANG_PUSH([C])
+AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CFLAGS], [-Werror])
+AC_LANG_POP([C])
-AC_SUBST(ARCHTYPE)
-AC_SUBST(SUBARCHTYPE)
-UATOMICSRC=urcu/uatomic/$ARCHTYPE.h
-ARCHSRC=urcu/arch/$ARCHTYPE.h
+## ##
+## Header checks ##
+## ##
-AS_IF([test "x$SUBARCHTYPE" = xx86compat],[
- AC_DEFINE([CONFIG_RCU_COMPAT_ARCH], [1])
+AC_HEADER_STDBOOL
+AC_CHECK_HEADERS([ \
+ limits.h \
+ stddef.h \
+ sys/param.h \
+ sys/time.h \
])
-AS_IF([test "$host_cpu" = "armv7l"],[
- CFLAGS="$CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1"
-])
-# ARM-specific checks
-AS_IF([test "x$ARCHTYPE" = "xarm"],[
- AC_MSG_CHECKING([for dmb instruction])
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
- int main()
- {
- asm volatile("dmb":::"memory");
- return 0;
- }
- ]])
- ],[
- AC_MSG_RESULT([yes])
- AC_DEFINE([CONFIG_RCU_ARM_HAVE_DMB], [1])
- ],[
- AC_MSG_RESULT([no])
- ])
-])
+## ##
+## Programs checks ##
+## ##
-# Tile-specific checks
-AS_IF([echo "$host_cpu" | grep "^tile"],[
- AC_MSG_CHECKING([for Tile architecture type])
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
- #ifndef __tilegx__
- #error
- #endif
- ]])
- ],[
- AC_MSG_RESULT([ok])
- ],[
- AC_MSG_FAILURE([URCU has only been tested on the TileGx architecture. For other Tile* architectures, please run the tests first and report the results to the maintainer so that proper support can be added.])
- ])
-])
+AC_PROG_AWK
+AC_PROG_GREP
+AC_PROG_MAKE_SET
+AC_CHECK_PROGS(NPROC, [nproc gnproc])
+AC_CHECK_PROGS(GETCONF, [getconf])
+AS_IF([test "x$NPROC" != "x"],
+ [NPROC_CMD=$NPROC],
+ [AS_IF([test "x$GETCONF" != "x"],
+ [NPROC_CMD="$GETCONF _NPROCESSORS_ONLN"],
+ [NPROC_CMD="echo 1"]
+ )]
+)
+AC_SUBST([NPROC_CMD], [$NPROC_CMD])
+
+# Initialize and configure libtool
+LT_INIT
+
+
+## ##
+## Library checks ##
+## ##
-# x86-specific checks
-AS_IF([test "x$ARCHTYPE" = "xx86"],[
- AC_MSG_CHECKING([if architecture really supports the mfence instruction])
- #For now, using lock; addl compatibility mode even for i686, because the
- #Pentium III is seen as a i686, but lacks mfence instruction.
- #Only using fence for x86_64.
- AS_IF([test "x$host_cpu" != "xi386" -a "x$host_cpu" != "xi486" -a "x$host_cpu" != "xi586" -a "x$host_cpu" != "xi686"],[
- AC_MSG_RESULT([yes])
- AC_DEFINE([CONFIG_RCU_HAVE_FENCE], [1])
- ],[
- AC_MSG_RESULT([no])
- ])
+# Checks for library functions.
+AC_FUNC_MMAP
+AC_FUNC_FORK
+AC_CHECK_FUNCS([ \
+ atexit \
+ getcpuid \
+ gettid \
+ gettimeofday \
+ memeset \
+ memset \
+ munmap \
+ rand_r \
+ sched_getcpu \
+ sched_setaffinity \
+ strerror \
+ strtoul \
+ sysconf \
])
-# Check if sys_futex() is available
-AC_MSG_CHECKING([for sys_futex()])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
- #include <sys/syscall.h>
- #ifndef __NR_futex
- #error "futexes not available"
- #endif
- ]])
-],[
- AC_MSG_RESULT([yes])
- AC_DEFINE([CONFIG_RCU_HAVE_FUTEX], [1])
- compat_futex_test=0
-],[
- AC_MSG_RESULT([no])
- compat_futex_test=1
+# AC_FUNC_MALLOC causes problems when cross-compiling.
+#AC_FUNC_MALLOC
+
+# Search for clock_gettime() in -lrt
+AC_SEARCH_LIBS([clock_gettime], [rt], [
+ AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1], [clock_gettime() is detected.])
])
-AM_CONDITIONAL([COMPAT_FUTEX], [test "x$compat_futex_test" = "x1"])
-AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" = "xx86compat"])
-AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"])
+
+## ##
+## Optionnal features selection ##
+## ##
+
+# Allow to fallback to FIXME if the membarrier syscall is unavailable on the
+# running kernel, when disabled, abort if the syscall is unavailable. Applies
+# to default and bulletproof flavors.
+# Enabled by default
+AE_FEATURE_DEFAULT_ENABLE
+AE_FEATURE([sys-membarrier-fallback], [Abort if sys-membarrier is needed but not available rather than using a fallback.])
+
+# Use compiler Thread Local Storage, when disabled use pthread_getspecific() to emulate TLS.
+# Enabled by default
+AE_FEATURE_DEFAULT_ENABLE
+AE_FEATURE([compiler-tls], [Use pthread_getspecific() to emulate Thread Local Storage (TLS) variables.])
# smp-support configure option
-AC_ARG_ENABLE([smp-support],
- AS_HELP_STRING([--disable-smp-support], [Disable SMP support. Warning: only use this on uniprocessor systems. [default=enabled]]),
- [def_smp_support=$enableval],
- [def_smp_support="yes"])
-AS_IF([test "x$def_smp_support" = "xyes"], [AC_DEFINE([CONFIG_RCU_SMP], [1])])
-
-
-# From the sched_setaffinity(2)'s man page:
-# ~~~~
-# The CPU affinity system calls were introduced in Linux kernel 2.5.8.
-# The library interfaces were introduced in glibc 2.3. Initially, the
-# glibc interfaces included a cpusetsize argument. In glibc 2.3.3,
-# the cpuset size argument was removed, but this argument was
-# restored in glibc 2.3.4.
-# ~~~~
-
-# In addition to that, some vendors ported the system call to 2.4
-# kernels.
-
-# Furthermore, when the function first appeared, the MASK argument was
-# an unsigned long pointer, while later it was made into a cpu_set_t
-# pointer. Systems that have the cpu_set_t version also should have
-# the CPU_ZERO, CPU_SET, etc. macros.
-
-# All this mess means we have to cater for at least 3 different
-# sched_setaffinity prototypes:
-
-# ~~~~
-# int sched_setaffinity (pid_t pid, unsigned int len, unsigned long *mask);
-# int sched_setaffinity (pid_t __pid, size_t __cpusetsize, const cpu_set_t *__cpuset);
-# int sched_setaffinity (pid_t __pid, const cpu_set_t *__mask);
-# ~~~~
-
-# Since we define _GNU_SOURCE in the sources, must do so too in the
-# autoconf tests, as defining _GNU_SOURCE or not exposes
-# sched_setaffinity bits differently.
-saved_CFLAGS=$CFLAGS
-CFLAGS="$CFLAGS -D_GNU_SOURCE"
-
-AC_CHECK_TYPES([cpu_set_t],
- [have_cpu_set_t="yes"],
- [have_cpu_set_t="no"],
- [#include <sched.h>])
-
-# Confirm that we have CPU_ZERO, and it actually works.
-AC_MSG_CHECKING([whether CPU_ZERO works])
-AH_TEMPLATE([HAVE_CPU_ZERO], [Defined to 1 if we have CPU_ZERO and it works])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
- #define _GNU_SOURCE
- #include <sched.h>
- int main()
- {
- cpu_set_t foo; CPU_ZERO(&foo);
- return 0;
- }
- ]])
-],[
- AC_DEFINE(HAVE_CPU_ZERO, 1)
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
+# Enabled by default
+AE_FEATURE_DEFAULT_ENABLE
+AE_FEATURE([smp-support], [Disable SMP support. Warning: only use this on uniprocessor systems.])
+
+# RCU debugging option
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([rcu-debug], [Enable internal debugging self-checks. Introduces a performance penalty.])
+
+# rculfhash iterator debugging
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([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.])
+
+
+## ##
+## Set defines for optional features conditionnals in the source code ##
+## ##
+
+AE_IF_FEATURE_DISABLED([sys-membarrier-fallback], [
+ AC_DEFINE([CONFIG_RCU_FORCE_SYS_MEMBARRIER], [1], [Require the operating system to support the membarrier system call for default and bulletproof flavors.])
])
-# Confirm that we have CPU_SET, and it actually works.
-AC_MSG_CHECKING([whether CPU_SET works])
-AH_TEMPLATE([HAVE_CPU_SET], [Defined to 1 if we have CPU_SET and it works])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
- #define _GNU_SOURCE
- #include <sched.h>
- int main()
- {
- cpu_set_t foo, mask; CPU_SET(0, &foo);
- return 0;
- }
- ]])
-],[
- AC_DEFINE(HAVE_CPU_SET, 1)
- AC_MSG_RESULT([yes])
-],[
- AC_MSG_RESULT([no])
+AE_IF_FEATURE_ENABLED([compiler-tls], [
+ AC_DEFINE([CONFIG_RCU_TLS], [1], [Use compiler provided Thread Local Storage.])
])
-# First check if the function is available at all.
-AC_CHECK_FUNCS([sched_setaffinity],[
- # Okay, we have it. Check if also have cpu_set_t. If we don't,
- # then we have the first version using unsigned long, and no
- # CPU_ZERO, etc. macros. If we do have cpu_set_t, we may have the
- # version with 2 or 3 arguments. In that case, CPU_ZERO, etc.,
- # should also be present, but we confirm nonetheless.
-
- AS_IF([test "x$have_cpu_set_t" = "xyes"], [
- # We do have it.
- # Check how many arguments does sched_setaffinity take.
- # Should be 3 or 2.
- AC_MSG_CHECKING([how many arguments sched_setaffinity takes])
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
- #include <sched.h>
- int main()
- {
- cpu_set_t foo;
- sched_setaffinity(0, sizeof (foo), &foo);
- return 0;
- }
- ]])
- ],
- [sched_set_affinity_args=3],
- [sched_set_affinity_args=2])
- AC_DEFINE_UNQUOTED(SCHED_SETAFFINITY_ARGS,
- $sched_set_affinity_args,
- [Defined to sched_setaffinity's number of arguments.])
- AC_MSG_RESULT([$sched_set_affinity_args])
- ],[
- # No cpu_set_t, always 3 args.
- AC_DEFINE(SCHED_SETAFFINITY_ARGS, 3)
- ])
+AE_IF_FEATURE_ENABLED([smp-support], [
+ AC_DEFINE([CONFIG_RCU_SMP], [1], [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.])
])
-CFLAGS=$saved_CFLAGS
+AE_IF_FEATURE_ENABLED([rcu-debug], [
+ AC_DEFINE([CONFIG_RCU_DEBUG], [1], [Enable internal debugging self-checks. Introduces a performance penalty.])
+])
-AC_CONFIG_LINKS([
- urcu/arch.h:$ARCHSRC
- urcu/uatomic.h:$UATOMICSRC
+AE_IF_FEATURE_ENABLED([cds-lfht-iter-debug], [
+ AC_DEFINE([CONFIG_CDS_LFHT_ITER_DEBUG], [1], [Enable extra debugging checks for lock-free hash table iterator traversal. Alters the rculfhash ABI. Make sure to compile both library and application with matching configuration.])
])
+
+
+## ##
+## Set automake variables for optional feature conditionnals in Makefile.am ##
+## ##
+
+# Building the examples requires the shared libraries to be enabled
+AM_CONDITIONAL([ENABLE_EXAMPLES], AE_IS_FEATURE_ENABLED([shared]))
+
+
+## ##
+## Substitute variables for use in Makefile.am ##
+## ##
+
+# Library versions for libtool
+AC_SUBST([URCU_LIBRARY_VERSION], [urcu_lib_version])
+
+AC_SUBST(LT_NO_UNDEFINED)
+
+# The order in which the include folders are searched is important.
+# The top_builddir should always be searched first in the event that a build
+# time generated file is included.
+AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -include config.h"
+AC_SUBST(AM_CPPFLAGS)
+
+AM_CFLAGS="$WARN_CFLAGS $PTHREAD_CFLAGS"
+AC_SUBST(AM_CFLAGS)
+
+
+## ##
+## Output files generated by configure ##
+## ##
+
AC_CONFIG_FILES([
Makefile
doc/Makefile
doc/examples/Makefile
+ extras/Makefile
+ include/Makefile
+ src/Makefile
tests/Makefile
tests/common/Makefile
tests/unit/Makefile
tests/benchmark/Makefile
tests/regression/Makefile
- liburcu.pc
- liburcu-bp.pc
- liburcu-cds.pc
- liburcu-qsbr.pc
- liburcu-mb.pc
- liburcu-signal.pc
+ tests/utils/Makefile
+ src/liburcu.pc
+ src/liburcu-bp.pc
+ src/liburcu-cds.pc
+ src/liburcu-qsbr.pc
+ src/liburcu-mb.pc
+ src/liburcu-signal.pc
])
+
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_perf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_rperf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_stress_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_bp_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_bp_uperf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_perf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_rperf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_stress_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_mb_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_mb_uperf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_perf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_rperf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_stress_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_membarrier_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_membarrier_uperf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_perf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_rperf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_stress_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_qsbr_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_qsbr_uperf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_perf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_perf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_rperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_rperf_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_stress_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_stress_perthread.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_global.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_global.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_percpu.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_percpu.tap])
+AC_CONFIG_FILES([tests/regression/rcutorture_urcu_signal_uperf_perthread.tap], [chmod +x tests/regression/rcutorture_urcu_signal_uperf_perthread.tap])
+
+
AC_OUTPUT
-# Report on selected configure options
-AS_IF([test "x$def_smp_support" = "xyes"],[
- AS_ECHO("SMP support enabled.")
-],[
- AS_ECHO("SMP support disabled.")
-])
+#
+# Mini-report on what will be built.
+#
+
+PPRINT_INIT
+PPRINT_SET_INDENT(1)
+PPRINT_SET_TS(38)
+
+AS_ECHO
+AS_ECHO("${PPRINT_COLOR_BLDBLU}Userspace-RCU $PACKAGE_VERSION${PPRINT_COLOR_RST}")
+AS_ECHO
+
+PPRINT_SUBTITLE([Features])
+
+PPRINT_PROP_STRING([Target architecture], $host_cpu)
+
+# SMP support enabled/disabled
+AE_IS_FEATURE_ENABLED([smp-support]) && value=1 || value=0
+PPRINT_PROP_BOOL([SMP support], $value)
+
+# TLS
+AE_IS_FEATURE_ENABLED([compiler-tls]) && value="compiler TLS" || value="pthread_getspecific()"
+PPRINT_PROP_STRING([Thread Local Storage (TLS)], [$value])
+
+# clock_gettime() available
+test "x$ac_cv_search_function_clock_gettime" != "xno" && value=1 || value=0
+PPRINT_PROP_BOOL([clock_gettime()], $value)
+
+# Require membarrier
+AE_IS_FEATURE_ENABLED([sys-membarrier-fallback]) && value=0 || value=1
+PPRINT_PROP_BOOL([Require membarrier], $value)
+
+# RCU debug enabled/disabled
+AE_IS_FEATURE_ENABLED([rcu-debug]) && value=1 || value=0
+PPRINT_PROP_BOOL([Internal debugging], $value)
+
+# rculfhash iterator debug enabled/disabled
+AE_IS_FEATURE_ENABLED([cds-lfht-iter-debug]) && value=1 || value=0
+PPRINT_PROP_BOOL([Lock-free HT iterator debugging], $value)
+
+PPRINT_PROP_BOOL([Multi-flavor support], 1)
+
+report_bindir="`eval eval echo $bindir`"
+report_libdir="`eval eval echo $libdir`"
+
+# Print the bindir and libdir this 'make install' will install into.
+AS_ECHO
+PPRINT_SUBTITLE([Install directories])
+PPRINT_PROP_STRING([Binaries], [$report_bindir])
+PPRINT_PROP_STRING([Libraries], [$report_libdir])
-AS_IF([test "x$def_tls_detect" = "x"],[
- AS_ECHO("Thread Local Storage (TLS): pthread_getspecific().")
-],[
- AS_ECHO("Thread Local Storage (TLS): $def_tls_detect.")
-])