# -*- Autoconf -*-
# This file is part of ltrace.
-# Copyright (C) 2010,2012 Petr Machata, Red Hat Inc.
+# Copyright (C) 2010,2012,2013,2014 Petr Machata, Red Hat Inc.
# Copyright (C) 2010,2011 Joe Damato
# Copyright (C) 2010 Marc Kleine-Budde
# Copyright (C) 2010 Zachary T Welch
# 02110-1301 USA
# Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.65)
+AC_PREREQ([2.65])
-AC_INIT([ltrace],[0.7.2],[ltrace-devel@lists.alioth.debian.org])
+AC_INIT([ltrace],[0.7.91],[ltrace-devel@lists.alioth.debian.org],
+ [ltrace],[http://ltrace.alioth.debian.org/])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR(libltrace.c)
AC_CONFIG_MACRO_DIR([config/m4])
AC_CANONICAL_HOST
case "${host_os}" in
- linux-gnu*) HOST_OS="linux-gnu" ;;
+ linux-gnu*) HOST_OS="linux-gnu" ;;
+ linux-uclibc*) HOST_OS="linux-gnu" ;;
*) AC_MSG_ERROR([unkown host-os ${host_os}]) ;;
esac
AC_SUBST(HOST_OS)
case "${host_cpu}" in
arm*|sa110) HOST_CPU="arm" ;;
cris*) HOST_CPU="cris" ;;
- mips*el) HOST_CPU="mipsel" ;;
mips*) HOST_CPU="mips" ;;
- powerpc|powerpc64) HOST_CPU="ppc" ;;
+ powerpc|powerpc64|powerpc64le) HOST_CPU="ppc" ;;
sun4u|sparc64) HOST_CPU="sparc" ;;
s390x) HOST_CPU="s390" ;;
i?86|x86_64) HOST_CPU="x86" ;;
AM_INIT_AUTOMAKE([foreign no-exeext dist-bzip2])
AM_MAINTAINER_MODE
+#
+# We use stat(2). Even though we don't care about the file size or
+# inode number, stat will fail with EOVERFLOW if either of these
+# exceeds 32 bits. We therefore ask for stat64 if available. Do this
+# test as soon as possible, as large file support may influence
+# whether other headers are available.
+#
+AC_SYS_LARGEFILE
+
AC_ARG_WITH([libelf],
AS_HELP_STRING([--with-libelf], [Prefix of libelf headers/library]),
[case "${withval}" in
AC_CHECK_HEADERS(selinux/selinux.h)
AC_CHECK_LIB(selinux, security_get_boolean_active)
+dnl Whether (and which) elfutils libdw.so to use for unwinding.
+AC_ARG_WITH(elfutils,
+ AS_HELP_STRING([--with-elfutils], [Use elfutils libdwfl unwinding support]),
+ [case "${withval}" in
+ (yes|no) enable_elfutils=$withval;;
+ (*) enable_elfutils=yes
+ AM_CPPFLAGS="${AM_CPPFLAGS} -I${withval}/include"
+ AM_LDFLAGS="${AM_LDFLAGS} -L${withval}/lib"
+ elfutils_LD_LIBRARY_PATH="${withval}/lib:${withval}/lib/elfutils"
+ ;;
+esac],[enable_elfutils=maybe])
+
+dnl Check whether we have the elfutils libdwfl.h header installed.
+saved_CPPFLAGS="${CPPFLAGS}"
+CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}"
+AC_CHECK_HEADERS([elfutils/libdwfl.h],[have_libdwfl_h=yes])
+CPPFLAGS="${saved_CPPFLAGS}"
+
+dnl And whether libdw.so provides the unwinding functions.
+saved_LDFLAGS="${LDFLAGS}"
+LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}"
+AC_CHECK_LIB([dw], [dwfl_getthread_frames], [have_libdw_dwfl_frames=yes])
+LDFLAGS="${saved_LDFLAGS}"
+
+AC_MSG_CHECKING([whether to use elfutils libdwfl unwinding support])
+case "${enable_elfutils}" in
+(yes|maybe)
+ if test x$have_libdwfl_h = xyes -a x$have_libdw_dwfl_frames = xyes; then
+ enable_elfutils=yes
+ elif test $enable_elfutils = maybe; then
+ enable_elfutils=no
+ else
+ AC_MSG_RESULT([$enable_elfutils])
+ AC_MSG_ERROR([Missing elfutils/libdwfl.h or dwfl_getthread_frames not in libdw.so])
+ fi
+ ;;
+(*) ;;
+esac
+AC_MSG_RESULT([$enable_elfutils])
+
+if test x"$enable_elfutils" = xyes; then
+ libdw_LIBS=-ldw
+ AC_SUBST(libdw_LIBS)
+ AC_DEFINE([HAVE_LIBDW], [1], [we have elfutils libdw])
+fi
# HAVE_LIBUNWIND
AC_ARG_WITH(libunwind,
if test x"$enable_libunwind" = xyes; then
case "${host_cpu}" in
- arm*|sa110) UNWIND_ARCH="arm" ;;
- i?86) UNWIND_ARCH="x86" ;;
- powerpc) UNWIND_ARCH="ppc32" ;;
- powerpc64) UNWIND_ARCH="ppc64" ;;
- mips*) UNWIND_ARCH="mips" ;;
- *) UNWIND_ARCH="${host_cpu}" ;;
+ arm*|sa110) UNWIND_ARCH="arm" ;;
+ i?86) UNWIND_ARCH="x86" ;;
+ powerpc) UNWIND_ARCH="ppc32" ;;
+ powerpc64|powerpc64le) UNWIND_ARCH="ppc64" ;;
+ mips*) UNWIND_ARCH="mips" ;;
+ *) UNWIND_ARCH="${host_cpu}" ;;
esac
saved_LDFLAGS="${LDFLAGS}"
LDFLAGS="${saved_LDFLAGS}"
fi
+if test x"$enable_elfutils" = xyes -a x"$enable_libunwind" = xyes; then
+ AC_MSG_ERROR([Cannot enable both --with-libunwind and --with-elfutils])
+fi
+
+if test x"$enable_elfutils" = xyes -o x"$enable_libunwind" = xyes; then
+ AC_DEFINE([HAVE_UNWINDER], [1], [we have an unwinder available])
+fi
saved_CPPFLAGS="${CPPFLAGS}"
saved_LDFLAGS="${LDFLAGS}"
LDFLAGS="${saved_LDFLAGS}"
AM_CPPFLAGS=" \
+ -DSYSCONFDIR="'\"$(sysconfdir)\"'" \
+ -DPKGDATADIR="'\"$(pkgdatadir)\"'" \
${AM_CPPFLAGS} \
-I\$(top_srcdir)/sysdeps/${HOST_OS}/${HOST_CPU} \
-I\$(top_srcdir)/sysdeps/${HOST_OS} \
# Checks for library functions.
-AC_FUNC_ERROR_AT_LINE
AC_FUNC_FORK
AC_CHECK_FUNCS([ \
alarm \
atexit \
- getcwd \
gettimeofday \
memset \
- mkdir \
- rmdir \
strchr \
strdup \
strerror \
+ strsignal \
strtol \
strtoul \
])
+#
+# Define HAVE_OPEN_MEMSTREAM if open_memstream is available. glibc
+# before 2.10, eglibc and uClibc all need _GNU_SOURCE defined for
+# open_memstream to become visible, so check for that as well. If
+# unavailable, require that tmpfile be present. There's no
+# HAVE_TMPFILE, as we plain require that to be present as a fallback.
+#
+AC_CHECK_FUNCS([open_memstream], [],
+ [AC_MSG_CHECKING([for open_memstream with _GNU_SOURCE])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[#define _GNU_SOURCE 1
+ #include <stdio.h>]],
+ [[char *buf; size_t sz;
+ return open_memstream(&buf, &sz) != 0;]])],
+
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_OPEN_MEMSTREAM], [1],
+ [Define if open_memstream exists.])],
+
+ [AC_MSG_RESULT([no])
+ AC_CHECK_FUNC([tmpfile], [],
+ [AC_MSG_ERROR(
+ [Either open_memstream or tmpfile required.])])])])
+
+#
+# Define HAVE_GETOPT_LONG if that is available.
+#
+AC_CHECK_HEADER([getopt.h], [AC_CHECK_FUNCS([getopt_long])])
#
# Debugging
fi
fi
AM_CONDITIONAL(USE_VALGRIND, test "$use_valgrind" = yes)
+AM_CONDITIONAL(HAVE_LIBDW, test x"$enable_elfutils" = xyes)
AC_SUBST(AM_CPPFLAGS)
AC_SUBST(AM_CFLAGS)
AC_SUBST(AM_LDFLAGS)
AC_SUBST(libelf_LD_LIBRARY_PATH)
+AC_SUBST(elfutils_LD_LIBRARY_PATH)
AC_SUBST(libunwind_LD_LIBRARY_PATH)
AC_CONFIG_FILES([
Makefile
sysdeps/Makefile
sysdeps/linux-gnu/Makefile
+ sysdeps/linux-gnu/aarch64/Makefile
sysdeps/linux-gnu/alpha/Makefile
sysdeps/linux-gnu/arm/Makefile
sysdeps/linux-gnu/cris/Makefile
sysdeps/linux-gnu/ia64/Makefile
sysdeps/linux-gnu/m68k/Makefile
- sysdeps/linux-gnu/mipsel/Makefile
+ sysdeps/linux-gnu/metag/Makefile
+ sysdeps/linux-gnu/mips/Makefile
sysdeps/linux-gnu/ppc/Makefile
sysdeps/linux-gnu/s390/Makefile
sysdeps/linux-gnu/sparc/Makefile
projects / platform / upstream / ltrace.git / blobdiff