X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=configure.ac;h=8eec26951e47dce19691843c4b44807c531215a5;hp=d064a13e00151430353af16ace1e10aff39145a5;hb=2af1c19e6a553878fcb2a5106f050d5ed7ac0f54;hpb=1000f1f4204e5fbb337f4ea911f1e29f67df79aa diff --git a/configure.ac b/configure.ac index d064a13..8eec269 100644 --- a/configure.ac +++ b/configure.ac @@ -1,25 +1,23 @@ -# -*- Autoconf -*- -# Process this file with autoconf to produce a configure script. - - -AC_INIT([userspace-rcu],[0.7.4],[mathieu dot desnoyers at efficios dot com]) +AC_PREREQ(2.59) +AC_INIT([userspace-rcu],[0.9.0],[mathieu dot desnoyers at efficios dot com], [], [http://liburcu.org/]) # 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], [2:0:0]) +AC_SUBST([URCU_LIBRARY_VERSION], [4:0:0]) +AC_CONFIG_SRCDIR([urcu.h]) +AC_CONFIG_HEADERS([config.h 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]) +AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip]) +AM_MAINTAINER_MODE([enable]) -AC_CONFIG_HEADERS([config.h urcu/config.h]) +# Enable silent rules if available (Introduced in AM 1.11) +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) 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.]) @@ -27,6 +25,7 @@ AH_TEMPLATE([CONFIG_RCU_HAVE_FUTEX], [Defined when on a system with futex suppor 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.]) +AH_TEMPLATE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [clock_gettime() is detected.]) # Allow overriding storage used for TLS variables. AC_ARG_ENABLE([compiler-tls], @@ -43,23 +42,78 @@ AS_IF([test "x$def_tls_detect" = "x"], [:], [AC_DEFINE_UNQUOTED([CONFIG_RCU_TLS], $def_tls_detect)]) -# Checks for programs. +# Checks for C compiler +AC_USE_SYSTEM_EXTENSIONS AC_PROG_CC +AC_PROG_CC_STDC + +# Checks for programs. +AC_PROG_AWK AC_PROG_MAKE_SET +AC_CHECK_PROGS(NPROC, [nproc gnproc]) +AC_CHECK_PROGS(GETCONF, [getconf]) +AS_IF([test "x$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]) + LT_INIT # Checks for typedefs, structures, and compiler characteristics. AC_C_INLINE AC_TYPE_PID_T AC_TYPE_SIZE_T +AC_TYPE_SSIZE_T +AC_TYPE_UINT16_T +AC_TYPE_INT32_T +AC_TYPE_UINT32_T +AC_TYPE_UINT64_T +AC_TYPE_UINT8_T + +AX_C___ATTRIBUTE__ +AS_IF([test "x$ax_cv___attribute__" = "xyes"], + [:], + [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])]) + +AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])]) +LIBS="$PTHREAD_LIBS $LIBS" +CFLAGS="$CFLAGS $PTHREAD_CFLAGS" +CC="$PTHREAD_CC" # Checks for library functions. AC_FUNC_MALLOC AC_FUNC_MMAP -AC_CHECK_FUNCS([bzero gettimeofday munmap sched_getcpu strtoul sysconf]) +AC_FUNC_FORK +AC_CHECK_FUNCS([ \ + atexit \ + getcpuid \ + gettid \ + gettimeofday \ + memeset \ + memset \ + munmap \ + sched_getcpu \ + strerror \ + strtoul \ + sysconf \ +]) + +# Check for headers +AC_HEADER_STDBOOL +AC_CHECK_HEADERS([ \ + limits.h \ + stddef.h \ + sys/param.h \ + sys/time.h \ +]) # Find arch type AS_CASE([$host_cpu], + [k1om], [ARCHTYPE="x86"], [i386], [ARCHTYPE="x86" && SUBARCHTYPE="x86compat"], [i486], [ARCHTYPE="x86"], [i586], [ARCHTYPE="x86"], @@ -69,18 +123,33 @@ AS_CASE([$host_cpu], [powerpc], [ARCHTYPE="ppc"], [ppc64], [ARCHTYPE="ppc"], [powerpc64], [ARCHTYPE="ppc"], + [powerpc64le], [ARCHTYPE="ppc"], [ppc], [ARCHTYPE="ppc"], [s390], [ARCHTYPE="s390"], [s390x], [ARCHTYPE="s390"], + [sparc], [ARCHTYPE="sparc64"], [sparc64], [ARCHTYPE="sparc64"], [alpha*], [ARCHTYPE="alpha"], - [ia64], [ARCHTYPE="gcc"], + [ia64], [ARCHTYPE="ia64"], [arm*], [ARCHTYPE="arm"], + [aarch64*], [ARCHTYPE="aarch64"], [mips*], [ARCHTYPE="mips"], + [nios2*], [ARCHTYPE="nios2"], [tile*], [ARCHTYPE="tile"], + [hppa*], [ARCHTYPE="hppa"], [ARCHTYPE="unknown"] ) +AS_CASE([$host],[*-*-linux-androideabi], + [AM_CONDITIONAL(TARGET_IS_ANDROID, true)], + [AM_CONDITIONAL(TARGET_IS_ANDROID, false)] +) + +AS_CASE([$host],[*-cygwin*], + [AM_CONDITIONAL(USE_CYGWIN, true)], + [AM_CONDITIONAL(USE_CYGWIN, false)] +) + AC_SUBST(ARCHTYPE) AC_SUBST(SUBARCHTYPE) @@ -113,13 +182,31 @@ AS_IF([test "x$ARCHTYPE" = "xarm"],[ ]) ]) +# Tile-specific checks +AS_IF([echo "$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.]) + ]) +]) + # 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$host_cpu" != "xi686"],[ + # + #k1om is the name for the Intel MIC family (Xeon Phi). It is an x86_64 + #variant but lacks fence instructions. + AS_IF([test "x$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$host_cpu" != "xk1om"],[ AC_MSG_RESULT([yes]) AC_DEFINE([CONFIG_RCU_HAVE_FENCE], [1]) ],[ @@ -144,8 +231,23 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ compat_futex_test=1 ]) +# Search for clock_gettime +AC_SEARCH_LIBS([clock_gettime], [rt], [ + AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1]) +], []) + +# Check for pthread +AC_CHECK_LIB([pthread], [pthread_create], + [AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, false)], + [AC_CHECK_LIB([c], [pthread_create], + [AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, true)], + [AC_MSG_ERROR([Cannot find libpthread. Use [LDFLAGS]=-Ldir to specify its location.])] + )] +) + AM_CONDITIONAL([COMPAT_FUTEX], [test "x$compat_futex_test" = "x1"]) AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" = "xx86compat"]) +AM_CONDITIONAL([NO_SHARED], [test "x$enable_shared" = "xno"]) # smp-support configure option AC_ARG_ENABLE([smp-support], @@ -187,6 +289,49 @@ AS_IF([test "x$def_smp_support" = "xyes"], [AC_DEFINE([CONFIG_RCU_SMP], [1])]) saved_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -D_GNU_SOURCE" +AC_CHECK_TYPES([cpu_set_t], + [have_cpu_set_t="yes"], + [have_cpu_set_t="no"], + [#include ]) + +# Confirm that we have CPU_ZERO, and it actually works. +AC_MSG_CHECKING([whether CPU_ZERO works]) +AH_TEMPLATE([HAVE_CPU_ZERO], [Defined to 1 if we have CPU_ZERO and it works]) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + #define _GNU_SOURCE + #include + int main() + { + cpu_set_t foo; CPU_ZERO(&foo); + return 0; + } + ]]) +],[ + AC_DEFINE(HAVE_CPU_ZERO, 1) + AC_MSG_RESULT([yes]) +],[ + AC_MSG_RESULT([no]) +]) + +# Confirm that we have CPU_SET, and it actually works. +AC_MSG_CHECKING([whether CPU_SET works]) +AH_TEMPLATE([HAVE_CPU_SET], [Defined to 1 if we have CPU_SET and it works]) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + #define _GNU_SOURCE + #include + int main() + { + cpu_set_t foo, mask; CPU_SET(0, &foo); + return 0; + } + ]]) +],[ + AC_DEFINE(HAVE_CPU_SET, 1) + AC_MSG_RESULT([yes]) +],[ + AC_MSG_RESULT([no]) +]) + # First check if the function is available at all. AC_CHECK_FUNCS([sched_setaffinity],[ # Okay, we have it. Check if also have cpu_set_t. If we don't, @@ -195,27 +340,8 @@ AC_CHECK_FUNCS([sched_setaffinity],[ # version with 2 or 3 arguments. In that case, CPU_ZERO, etc., # should also be present, but we confirm nonetheless. - AC_CHECK_TYPES([cpu_set_t],[ - # We do have it. Confirm that we have CPU_ZERO, and it actually works. - AC_MSG_CHECKING([whether CPU_ZERO works]) - AH_TEMPLATE([HAVE_CPU_ZERO], [Defined to 1 if we have CPU_ZERO and it works]) - AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ - #define _GNU_SOURCE - #include - int main() - { - cpu_set_t foo; CPU_ZERO (&foo); - return 0; - } - ]]) - ],[ - # Works! - AC_DEFINE(HAVE_CPU_ZERO, 1) - AC_MSG_RESULT([yes]) - ],[ - AC_MSG_RESULT([no]) - ]) - + AS_IF([test "x$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]) @@ -224,21 +350,21 @@ AC_CHECK_FUNCS([sched_setaffinity],[ int main() { cpu_set_t foo; - sched_setaffinity (0, sizeof (foo), &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, + 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) - ], - [#include ]) + ]) ]) CFLAGS=$saved_CFLAGS @@ -250,7 +376,14 @@ AC_CONFIG_LINKS([ AC_CONFIG_FILES([ Makefile doc/Makefile + doc/examples/Makefile tests/Makefile + tests/common/Makefile + tests/unit/Makefile + tests/benchmark/Makefile + tests/regression/Makefile + tests/regression/regression_tests + tests/utils/Makefile liburcu.pc liburcu-bp.pc liburcu-cds.pc