X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=configure.ac;h=fb2f27864ce9f7c530a3b798b4203c912b2e6eb4;hb=7d34f27dce903a88241e96787c1f900b6ea08245;hp=8a5b664648397aa1ed1227c794a8b6d787c62cec;hpb=bfcda6cea270952898ea122c375f2ed19105adef;p=lttng-ust.git diff --git a/configure.ac b/configure.ac index 8a5b6646..fb2f2786 100644 --- a/configure.ac +++ b/configure.ac @@ -171,6 +171,30 @@ AC_CHECK_HEADERS([ \ wchar.h \ ]) +# Set architecture specific options +AS_CASE([$host_cpu], + [i[[3456]]86], [], + [x86_64], [], + [amd64], [], + [powerpc], [], + [ppc64], [], + [ppc64le], [], + [powerpc64], [], + [powerpc64le], [], + [s390], [NO_UNALIGNED_ACCESS=1], + [s390x], [NO_UNALIGNED_ACCESS=1], + [arm*], [ + NO_UNALIGNED_ACCESS=1 + NO_NUMA=1 + ], + [aarch64*], [NO_UNALIGNED_ACCESS=1], + [mips*], [NO_UNALIGNED_ACCESS=1], + [tile*], [NO_UNALIGNED_ACCESS=1], + [ + UNSUPPORTED_ARCH=1 + NO_UNALIGNED_ACCESS=1 + ]) + # Configuration options, which will be installed in the config.h AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.]) AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h]) @@ -225,22 +249,26 @@ AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xye AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location. This error can also occur when the liburcu package's configure script has not been run.])]) -# URCU library version needed or newer -m4_define([WRONG_LIBURCU_MSG], [Userspace RCU (liburcu) >= 0.11.0 is needed]) - -#Macro added in urcu 0.6.6 -AC_CHECK_DECL([caa_likely], [], - [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include ]]) -#Macro added in urcu 0.11.0 -AC_CHECK_DECL([DEFINE_URCU_TLS_IE], [], - [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include ]] -) - # urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation # Part of Userspace RCU library 0.7.2 or better. AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])]) +AC_MSG_CHECKING([caa_likely()]) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + #include + void fct(void) + { + if (caa_likely(1)) { + } + } +]])], [ + AC_MSG_RESULT([yes]) +], [ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better]) +]) + # urcu - check that URCU lib is available to compilation AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])]) @@ -248,6 +276,10 @@ AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find lib AC_CHECK_LIB([urcu-bp], [call_rcu_bp], [], [AC_MSG_ERROR([liburcu 0.6 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])]) # numa.h integration +AS_IF([test "x$NO_NUMA" = "x1"],[ + AS_IF([test "x$enable_numa" = "x" ], [enable_numa=no]) +]) + AC_ARG_ENABLE([numa], [ AS_HELP_STRING([--disable-numa], [disable NUMA support]) ], [ @@ -258,7 +290,8 @@ AS_HELP_STRING([--disable-numa], [disable NUMA support]) AS_IF([test "x$enable_numa" = "xyes"], [ # numa - check that numa lib is available - AC_CHECK_LIB([numa], [numa_available], [], [AC_MSG_ERROR([libnuma is required, please install it (e.g. libnuma-dev) or use [LDFLAGS]=-Ldir to specify the right location.])]) + AC_CHECK_LIB([numa], [numa_available], [], +[AC_MSG_ERROR([libnuma is not available. Please either install it (e.g. libnuma-dev) or use [LDFLAGS]=-Ldir to specify the right location, or use --disable-numa configure argument to disable NUMA support.])]) have_libnuma=yes ]) AM_CONDITIONAL([HAVE_LIBNUMA], [test "x$have_libnuma" = "xyes"]) @@ -274,28 +307,6 @@ AS_IF([test "x$have_perf_event" = "xyes"], [ AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1]) ]) -AC_MSG_CHECKING([host system alignment requirements]) -AS_CASE([$host_cpu], - [i[[3456]]86], [], - [x86_64], [], - [amd64], [], - [powerpc], [], - [ppc64], [], - [ppc64le], [], - [powerpc64], [], - [powerpc64le], [], - [s390], [NO_UNALIGNED_ACCESS=1], - [s390x], [NO_UNALIGNED_ACCESS=1], - [arm*], [NO_UNALIGNED_ACCESS=1], - [aarch64*], [NO_UNALIGNED_ACCESS=1], - [mips*], [NO_UNALIGNED_ACCESS=1], - [tile*], [NO_UNALIGNED_ACCESS=1], - [ - UNSUPPORTED_ARCH=1 - NO_UNALIGNED_ACCESS=1 - ]) -AC_MSG_RESULT([$host_cpu]) - AS_IF([test "x$NO_UNALIGNED_ACCESS" = "x"], [ AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1]) ]) @@ -416,6 +427,19 @@ AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"], AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES], [python], ["yes"]) AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test "x$BUILD_GEN_TP_EXAMPLES" = "xyes"]) +# Enable building examples +AC_ARG_ENABLE( + examples, + AS_HELP_STRING( + [--disable-examples], + [Do not build and install examples] + ), + [enable_examples=$enableval], + [enable_examples=yes] +) + +AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" != "xno"]) + # Set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file # is not distributed in tarballs. AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no]) @@ -589,6 +613,9 @@ PPRINT_PROP_BOOL([NUMA], $value) AS_ECHO PPRINT_SET_INDENT(0) +test "x$enable_examples" = xyes && value=1 || value=0 +PPRINT_PROP_BOOL([Build and install examples], $value, $PPRINT_COLOR_SUBTITLE) + # man pages build enabled/disabled m4_pushdef([build_man_pages_msg], [Build and install man pages])