X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=configure.ac;h=0066a6673143459a8cbfae7b82145ca0e7c3cf8d;hb=41a2a9aa8dec91b2173982bdedee59d3635e48c2;hp=f72cb551caedd65598026a44bfe580c639b67fd7;hpb=98c8a1d90d1052980365353eef201124863128b0;p=lttng-ust.git diff --git a/configure.ac b/configure.ac index f72cb551..0066a667 100644 --- a/configure.ac +++ b/configure.ac @@ -1,14 +1,19 @@ # -*- Autoconf -*- # Process this file with autoconf to produce a configure script. -AC_INIT([lttng-ust],[2.1.0-rc1],[mathieu dot desnoyers at efficios dot com]) +AC_INIT([lttng-ust],[2.1.0-rc2],[mathieu dot desnoyers at efficios dot com]) # Following the numbering scheme proposed by libtool for the library version # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html +# This is the library version of liblttng-ust. AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0]) # note: remember to update tracepoint.h dlopen() to match this version # number. TODO: eventually automate by exporting the major number. +# This is the library version of liblttng-ust-ctl, used internally by +# liblttng-ust, lttng-sessiond, and lttng-consumerd. +AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [1:0:0]) + AC_CONFIG_AUX_DIR([config]) AC_CANONICAL_TARGET AC_CANONICAL_HOST @@ -170,69 +175,24 @@ AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find lib # urcu - check that URCU lib is at least version 0.6 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.])]) - -# Check for various supplementary target information (beyond the -# triplet) which might affect the library format choices. E.g., we -# can be building with `i686-unknown-linux-gnu-gcc -m64' - -case "${target}" in -changequote(,)dnl - i[34567]86-*-linux*) -changequote([,])dnl - AC_CACHE_CHECK([if building for x86-64], [ust_cv_i386_is_x86_64], - [save_CPPFLAGS="$CPPFLAGS" - CPPFLAGS="$CPPFLAGS $CFLAGS" - AC_EGREP_CPP([got it], [ -#if __x86_64__ -got it -#endif - ], [ust_cv_i386_is_x86_64=yes], - [ust_cv_i386_is_x86_64=no]) - CPPFLAGS="$save_CPPFLAGS"]) - ;; -esac - -AC_MSG_CHECKING([library format for the target system]) -case $target_cpu in +AC_MSG_CHECKING([host system alignment requirements]) +case $host_cpu in changequote(,)dnl i[3456]86) changequote([,])dnl - if test "$ust_cv_i386_is_x86_64" = yes ; then - LIBFORMAT="elf64-x86-64" - else - LIBFORMAT="elf32-i386" - fi ;; - x86_64) LIBFORMAT="elf64-x86-64" ;; - amd64) LIBFORMAT="elf64-x86-64" ;; - powerpc) LIBFORMAT="elf32-powerpc" ;; - ppc64) LIBFORMAT="elf64-powerpc" ;; - powerpc64) LIBFORMAT="elf64-powerpc" ;; - s390) LIBFORMAT="elf32-s390"; NO_UNALIGNED_ACCESS=1 ;; - s390x) LIBFORMAT="elf64-s390"; NO_UNALIGNED_ACCESS=1 ;; - armv5) LIBFORMAT="elf32-littlearm"; NO_UNALIGNED_ACCESS=1 ;; - arm) LIBFORMAT="elf32-littlearm"; NO_UNALIGNED_ACCESS=1 ;; - mips*) LIBFORMAT=""; NO_UNALIGNED_ACCESS=1;; - *) AC_MSG_ERROR([unable to detect library format (unsupported architecture ($target_cpu)?)]) ;; + x86_64) ;; + amd64) ;; + powerpc) ;; + ppc64) ;; + powerpc64) ;; + s390) NO_UNALIGNED_ACCESS=1 ;; + s390x) NO_UNALIGNED_ACCESS=1 ;; + arm*) NO_UNALIGNED_ACCESS=1 ;; + mips*) NO_UNALIGNED_ACCESS=1;; + *) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;; esac -AC_SUBST(LIBFORMAT) -AC_MSG_RESULT($LIBFORMAT) - -if test "x$target_cpu" = "xarm" ; then -AC_MSG_CHECKING([checking for armv5]) -AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ -#ifndef __ARM_ARCH_5TEJ__ -#error "no arm5 here" -#endif -]])],[ - AC_MSG_RESULT([yes]) - NO_UNALIGNED_ACCESS=1 - -],[ - AC_MSG_RESULT([no]) -]) -fi if test x$NO_UNALIGNED_ACCESS = x ; then AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1]) fi