X-Git-Url: https://git.liburcu.org/?p=ust.git;a=blobdiff_plain;f=configure.ac;h=5d914322b1158df69f6b8f931f91fc80c5936baf;hp=441caaa28482935e3b6129696dd56f5dfe6209a2;hb=4cf459a783b914dfd2942b93c8ddbff11a025739;hpb=3537976a4bad90e28471bc7f15287b46cc208fa5

diff --git a/configure.ac b/configure.ac
index 441caaa..5d91432 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,13 +1,16 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-#AC_PREREQ([2.63])
-AC_INIT([ust], [0.0], [pierre-marc dot fournier at polymtl dot ca])
+AC_INIT([ust], [0.13], [nils dot carlson at ericsson dot com])
 AC_CONFIG_AUX_DIR([config])
-AC_CONFIG_MACRO_DIR([m4])
-AM_INIT_AUTOMAKE([0.0 foreign dist-bzip2 no-dist-gzip])
+AC_CANONICAL_TARGET
+AC_CANONICAL_HOST
+AC_CONFIG_MACRO_DIR([config])
+AM_INIT_AUTOMAKE([foreign])
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AC_CONFIG_SRCDIR([ustctl/ustctl.c])
-AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_HEADERS([config.h include/ust/config.h])
+AH_TEMPLATE([HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
 
 # Checks for programs.
 AC_PROG_CC
@@ -50,21 +53,100 @@ AC_C_INLINE
 AC_FUNC_MALLOC
 AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol])
 
+CFLAGS="-Wall $CFLAGS"
+
 # URCU
 
 # urcu - check if we just find the headers it out of the box.
-AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CFLAGS]=-Idir to specify their location.])])
+AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CFLAGS]=-Idir to specify their location.
+This error can also occur when the liburcu package's configure script has not been run.])])
 
 # urcu - check that URCU lib is available to compilation
 AC_CHECK_LIB([urcu-bp], [synchronize_rcu], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
 
-# kcompat
+# urcu - check that URCU lib is at least version 0.5.4
+AC_CHECK_LIB([urcu-bp], [rcu_bp_before_fork], [], [AC_MSG_ERROR([liburcu 0.5.4 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
+
+# urcu - check that URCU lib is at least version 0.5
+AC_CHECK_DECL([cds_list_add(0, 0)], [], [AC_MSG_ERROR([liburcu 0.5 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])], [[#include <urcu/list.h>]])
+
+
+
+# Check for various supplementary host 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 "${host}" in
+changequote(,)dnl
+  i[34567]86-*-linux*)
+changequote([,])dnl
+    AC_CACHE_CHECK([if building for x86-64], [ust_cv_i386_is_x86_64],
+                    [save_CPPFLAGS="$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_CHECK_HEADERS([kcompat.h], [], [AC_MSG_ERROR([Cannot find kcompat headers (kcompat.h). Use [CFLAGS]=-Idir to specify their location.])])
+AC_MSG_CHECKING([library format for the host system])
+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" ;;
+	powerpc) LIBFORMAT="elf32-powerpc" ;;
+	ppc64) LIBFORMAT="elf64-powerpc" ;;
+	s390) LIBFORMAT="elf32-s390" ;;
+	s390x) LIBFORMAT="elf64-s390" ;;
+        armv5) LIBFORMAT="elf32-littlearm"; NO_UNALIGNED_ACCESS=1 ;;
+	arm) LIBFORMAT="elf32-littlearm" ;;
+	mips*) LIBFORMAT="" ;;
+	*) AC_MSG_ERROR([unable to detect library format (unsupported architecture ($host_cpu)?)]) ;;
+esac
+AC_SUBST(LIBFORMAT)
+AC_MSG_RESULT($LIBFORMAT)
 
+if test "x$host_cpu" = "xarm" ; then
+AC_MSG_CHECKING([checking for armv5])
+AC_TRY_COMPILE(
+[
+],
+[
+#ifndef __ARM_ARCH_5TEJ__
+#error "no arm5 here"
+#endif
+],
+[
+	AC_MSG_RESULT([yes])
+	NO_UNALIGNED_ACCESS=1
+]
+,
+[
+	AC_MSG_RESULT([no])
+]
+)
+fi
+if test x$NO_UNALIGNED_ACCESS = x ; then
+AC_DEFINE([HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
+fi
 
 AC_CONFIG_FILES([
 	Makefile
+	doc/Makefile
+	doc/man/Makefile
+	doc/info/Makefile
+	include/Makefile
 	libust/Makefile
 	tests/Makefile
 	tests/hello/Makefile
@@ -72,9 +154,26 @@ AC_CONFIG_FILES([
 	tests/basic/Makefile
 	tests/basic_long/Makefile
 	tests/fork/Makefile
-	libmallocwrap/Makefile
-	libinterfork/Makefile
-	ustd/Makefile
+	tests/simple_include/Makefile
+	tests/snprintf/Makefile
+	tests/test-nevents/Makefile
+	tests/test-libustinstr-malloc/Makefile
+	tests/dlopen/Makefile
+	tests/same_line_marker/Makefile
+	tests/trace_event/Makefile
+	tests/tracepoint/Makefile
+	tests/tracepoint/benchmark/Makefile
+	tests/register_test/Makefile
+	tests/libustctl_function_tests/Makefile
+	tests/exit-fast/Makefile
+	libustinstr-malloc/Makefile
+	libustfork/Makefile
+	libustconsumer/Makefile
+	ust-consumerd/Makefile
 	ustctl/Makefile
+	libustcomm/Makefile
+	libustctl/Makefile
+	snprintf/Makefile
+	ust.pc
 ])
 AC_OUTPUT