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|
# -*- Autoconf -*-
# This file is part of ltrace.
# 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
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301 USA
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.65])
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_CONFIG_AUX_DIR([config/autoconf])
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
case "${host_os}" in
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*) HOST_CPU="mips" ;;
powerpc|powerpc64) HOST_CPU="ppc" ;;
sun4u|sparc64) HOST_CPU="sparc" ;;
s390x) HOST_CPU="s390" ;;
i?86|x86_64) HOST_CPU="x86" ;;
*) HOST_CPU="${host_cpu}" ;;
esac
AC_SUBST(HOST_CPU)
# Checks for programs.
AC_PROG_CC
LT_INIT
# libtool-2: LT_INIT()
AM_INIT_AUTOMAKE([foreign no-exeext dist-bzip2])
AM_MAINTAINER_MODE
#
# We use stat(2). Even though we don't care about the file size or
# inode number, stat will fail with EOVERFLOW if either of these
# exceeds 32 bits. We therefore ask for stat64 if available. Do this
# test as soon as possible, as large file support may influence
# whether other headers are available.
#
AC_SYS_LARGEFILE
AC_ARG_WITH([libelf],
AS_HELP_STRING([--with-libelf], [Prefix of libelf headers/library]),
[case "${withval}" in
(no)
AC_MSG_ERROR([*** libelf is a required dependency])
;;
(yes)
AC_MSG_ERROR([*** --with-libelf requires you to specify a path])
;;
(*)
AM_CPPFLAGS="${AM_CPPFLAGS} -I${withval}/include"
AM_LDFLAGS="${AM_LDFLAGS} -L${withval}/lib"
libelf_LD_LIBRARY_PATH="${withval}/lib"
;;
esac],[])
# Checks for libraries.
saved_CPPFLAGS="${CPPFLAGS}"
saved_LDFLAGS="${LDFLAGS}"
CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}"
LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}"
# libelf
AC_CHECK_HEADERS([elf.h gelf.h],,
[AC_MSG_ERROR([*** libelf.h or gelf.h not found on your system])]
)
AC_CHECK_LIB([elf], [elf_begin],,
[AC_MSG_ERROR([*** libelf not found on your system])]
)
CPPFLAGS="${saved_CPPFLAGS}"
LDFLAGS="${saved_LDFLAGS}"
# HAVE_LIBIBERTY
AC_CHECK_LIB([iberty], [cplus_demangle], [
AC_DEFINE([HAVE_LIBIBERTY], [1], [we have libiberty])
liberty_LIBS="-liberty"], [
liberty_LIBS=""])
AC_SUBST(liberty_LIBS)
# HAVE_LIBSUPC__
AC_CHECK_LIB([supc++], [__cxa_demangle], [
AC_DEFINE([HAVE_LIBSUPC__], [1], [we have libsupc++])
libsupcxx_LIBS="-lsupc++"], [
libsupcxx_LIBS=""])
AC_SUBST(libsupcxx_LIBS)
# HAVE_LIBSTDC__
AC_CHECK_LIB([stdc++], [__cxa_demangle], [
AC_DEFINE([HAVE_LIBSTDC__], [1], [we have libstdc++])
libstdcxx_LIBS="-lstdc++"], [
libstdcxx_LIBS=""])
AC_SUBST(libstdcxx_LIBS)
dnl Check security_get_boolean_active availability.
AC_CHECK_HEADERS(selinux/selinux.h)
AC_CHECK_LIB(selinux, security_get_boolean_active)
dnl Whether (and which) elfutils libdw.so to use for unwinding.
AC_ARG_WITH(elfutils,
AS_HELP_STRING([--with-elfutils], [Use elfutils libdwfl unwinding support]),
[case "${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,
AS_HELP_STRING([--with-libunwind], [Use libunwind frame unwinding support]),
[case "${withval}" in
(yes|no) enable_libunwind=$withval;;
(*) enable_libunwind=yes
AM_CPPFLAGS="${AM_CPPFLAGS} -I${withval}/include"
AM_LDFLAGS="${AM_LDFLAGS} -L${withval}/lib"
libunwind_LD_LIBRARY_PATH="${withval}/lib"
;;
esac],[enable_libunwind=maybe])
saved_CPPFLAGS="${CPPFLAGS}"
CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}"
AC_CHECK_HEADERS([libunwind.h], [have_libunwind_h=yes])
AC_CHECK_HEADERS([libunwind-ptrace.h], [have_libunwind_ptrace_h=yes])
CPPFLAGS="${saved_CPPFLAGS}"
AC_MSG_CHECKING([whether to use libunwind support])
case "${enable_libunwind}" in
(yes|maybe)
if test x$have_libunwind_h = xyes -o x$have_libunwind_ptrace_h = xyes; then
enable_libunwind=yes
elif test $enable_libunwind = maybe; then
enable_libunwind=no
else
AC_MSG_RESULT([$enable_libunwind])
AC_MSG_ERROR([libunwind.h or libunwind-ptrace.h cannot be found])
fi
;;
(*) ;;
esac
AC_MSG_RESULT([$enable_libunwind])
if test x"$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}" ;;
esac
saved_LDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}"
AC_CHECK_LIB([unwind], [backtrace], [libunwind_LIBS=-lunwind],
[AC_MSG_ERROR([Couldn't find or use libunwind.])])
AC_CHECK_LIB([unwind-${UNWIND_ARCH}], [_U${UNWIND_ARCH}_init_remote],
[libunwind_LIBS="-lunwind-${UNWIND_ARCH} $libunwind_LIBS"],
[AC_MSG_ERROR([Couldn't find or use libunwind-${UNWIND_ARCH}.])],
[$libunwind_LIBS])
AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
[libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"],
[AC_MSG_ERROR([Couldn't find or use libunwind-ptrace.])],
[$libunwind_LIBS])
AC_SUBST(libunwind_LIBS)
AC_DEFINE([HAVE_LIBUNWIND], [1], [we have libunwind])
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="${LDFLAGS}"
CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}"
LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}"
# HAVE_ELF_C_READ_MMAP
AC_MSG_CHECKING([whether elf_begin accepts ELF_C_READ_MMAP])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <gelf.h>]], [[
int main () {
Elf *elf = elf_begin(4, ELF_C_READ_MMAP, 0);
return 0;
}
]])],[
AC_DEFINE([HAVE_ELF_C_READ_MMAP], [1], [we have read mmap support])
AC_MSG_RESULT([yes])],[
AC_MSG_RESULT([no])])
saved_CFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -Wall -Werror"
AC_MSG_CHECKING([whether elf_hash takes a char* argument])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <libelf.h>]], [[
(void) elf_hash("name");
]])],
[AC_DEFINE([ELF_HASH_TAKES_CHARP], [1],
[elf_hash() takes char* (as opposed to unsigned char *)])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
CFLAGS="${saved_CFLAGS}"
CPPFLAGS="${saved_CPPFLAGS}"
LDFLAGS="${saved_LDFLAGS}"
AM_CPPFLAGS=" \
-DSYSCONFDIR="'\"$(sysconfdir)\"'" \
-DPKGDATADIR="'\"$(pkgdatadir)\"'" \
${AM_CPPFLAGS} \
-I\$(top_srcdir)/sysdeps/${HOST_OS}/${HOST_CPU} \
-I\$(top_srcdir)/sysdeps/${HOST_OS} \
-I\$(top_srcdir)/sysdeps \
-I\$(top_srcdir) \
"
# Checks for header files.
AC_CHECK_HEADERS([ \
fcntl.h \
limits.h \
stddef.h \
stdint.h \
stdlib.h \
string.h \
sys/ioctl.h \
sys/param.h \
sys/time.h \
unistd.h \
])
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_UID_T
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_CHECK_SIZEOF([long])
# Checks for library functions.
AC_FUNC_FORK
AC_CHECK_FUNCS([ \
alarm \
atexit \
gettimeofday \
memset \
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
#
AC_MSG_CHECKING([whether to enable debugging])
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug], [enable debugging @<:@default=no@:>@]),
[case "$enableval" in
y | yes) CONFIG_DEBUG=yes ;;
*) CONFIG_DEBUG=no ;;
esac],
[CONFIG_DEBUG=no])
AC_MSG_RESULT([${CONFIG_DEBUG}])
if test "${CONFIG_DEBUG}" = "yes"; then
AC_DEFINE(DEBUG, 1, [debugging])
fi
# Ignore the compiler's warnings at your own risk.
AM_CFLAGS="${AM_CFLAGS} -Wall -Wsign-compare -Wfloat-equal -Wformat-security"
AC_ARG_ENABLE([werror],
AS_HELP_STRING([--disable-werror], [disable use of -Werror]),
[enable_werror=$enableval], [enable_werror=yes])
if test x$enable_werror = xyes; then
AM_CFLAGS="${AM_CFLAGS} -Werror"
fi
AC_ARG_ENABLE([valgrind],
AS_HELP_STRING([--enable-valgrind],[run all tests under valgrind]),
[use_valgrind=$enableval], [use_valgrind=no])
if test x$use_valgrind = xyes; then
AC_CHECK_PROG(HAVE_VALGRIND, valgrind, yes, no)
if test x$HAVE_VALGRIND = xno; then
AC_MSG_ERROR([valgrind not found])
fi
fi
AM_CONDITIONAL(USE_VALGRIND, test "$use_valgrind" = yes)
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/metag/Makefile
sysdeps/linux-gnu/mips/Makefile
sysdeps/linux-gnu/ppc/Makefile
sysdeps/linux-gnu/s390/Makefile
sysdeps/linux-gnu/sparc/Makefile
sysdeps/linux-gnu/x86/Makefile
testsuite/Makefile
testsuite/ltrace.main/Makefile
testsuite/ltrace.minor/Makefile
testsuite/ltrace.torture/Makefile
])
AC_OUTPUT
|
