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configure.ac
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AC_PREREQ([2.69])
AC_INIT([lxcfs], [4.0.0], [[email protected]])
# We need pkg-config
PKG_PROG_PKG_CONFIG
AC_CONFIG_SRCDIR([configure.ac])
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_HEADERS([config.h])
AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([-Wall -Werror -Wno-portability subdir-objects])
AC_CANONICAL_HOST
AM_PROG_CC_C_O
AC_USE_SYSTEM_EXTENSIONS
# Test if we have a new enough compiler.
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#define GCC_VERSION \
(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#define CLANG_VERSION \
(__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#if GCC_VERSION < 40700 && CLANG_VERSION < 10000
#error Sorry, your compiler is too old - please upgrade it
#endif
]])], [valid_compiler=yes], [valid_compiler=no])
if test "x$valid_compiler" = "xno"; then
AC_MSG_ERROR([Sorry, your compiler is too old - please upgrade it])
fi
# libtool
LT_INIT
AC_SUBST([LIBTOOL_DEPS])
AC_CONFIG_FILES([
Makefile
lxcfs.spec
config/Makefile
config/init/Makefile
config/init/systemd/Makefile
config/init/systemd/lxcfs.service
config/init/sysvinit/Makefile
config/init/upstart/Makefile
doc/Makefile
share/Makefile
share/00-lxcfs.conf
share/lxc.mount.hook
share/lxc.reboot.hook
src/Makefile
tests/Makefile ])
AC_CHECK_LIB(pthread, main)
PKG_CHECK_MODULES(FUSE, fuse, [], [
PKG_CHECK_MODULES(FUSE, fuse3, [AC_DEFINE([HAVE_FUSE3], [1], [Use fuse3])])
])
AC_PATH_PROG(HELP2MAN, help2man, false // No help2man //)
AM_CONDITIONAL([HAVE_HELP2MAN], [test "x$HELP2MAN" != "xfalse // No help2man //" ])
AC_ARG_WITH([runtime-path],
[AC_HELP_STRING(
[--with-runtime-path=dir],
[runtime directory (default: /run)]
)], [], [with_runtime_path=['/run']])
AS_AC_EXPAND(RUNTIME_PATH, "$with_runtime_path")
AS_AC_EXPAND(LXCFSSHAREDIR, "$datarootdir/lxcfs")
AS_AC_EXPAND(LXCCONFDIR, "$datarootdir/lxc/config/common.conf.d")
AS_AC_EXPAND(LXCFSTARGETDIR, "$localstatedir/lib/lxcfs")
# Detect the distribution. This is used for the default configuration and
# for some distro-specific build options.
AC_MSG_CHECKING([host distribution])
AC_ARG_WITH(distro, AS_HELP_STRING([--with-distro=DISTRO], [Specify the Linux distribution to target: One of redhat, oracle, centos, fedora, suse, gentoo, debian, arch, slackware, paldo, openmandriva or pardus.]))
if type lsb_release >/dev/null 2>&1 && test "z$with_distro" = "z"; then
with_distro=`lsb_release -is`
fi
if test "z$with_distro" = "z"; then
AC_CHECK_FILE(/etc/redhat-release,with_distro="redhat")
AC_CHECK_FILE(/etc/oracle-release,with_distro="oracle")
AC_CHECK_FILE(/etc/centos-release,with_distro="centos")
AC_CHECK_FILE(/etc/fedora-release,with_distro="fedora")
AC_CHECK_FILE(/etc/SuSE-release,with_distro="suse")
AC_CHECK_FILE(/etc/gentoo-release,with_distro="gentoo")
AC_CHECK_FILE(/etc/debian_version,with_distro="debian")
AC_CHECK_FILE(/etc/arch-release,with_distro="arch")
AC_CHECK_FILE(/etc/slackware-version,with_distro="slackware")
AC_CHECK_FILE(/etc/frugalware-release,with_distro="frugalware")
AC_CHECK_FILE(/etc/mandrakelinux-release, with_distro="openmandriva")
AC_CHECK_FILE(/etc/mandriva-release,with_distro="openmandriva")
AC_CHECK_FILE(/etc/pardus-release,with_distro="pardus")
AC_CHECK_FILE(/etc/pld-release,with_distro="pld")
fi
with_distro=`echo ${with_distro} | tr '[[:upper:]]' '[[:lower:]]'`
if test "z$with_distro" = "z"; then
with_distro="unknown"
fi
case $with_distro in
ubuntu)
distroconf=default.conf.ubuntu
;;
redhat|centos|fedora|oracle|oracleserver|pld)
distroconf=default.conf.libvirt
;;
*)
distroconf=default.conf.unknown
;;
esac
AC_MSG_RESULT([$with_distro])
AM_CONDITIONAL([HAVE_DEBIAN], [test x"$with_distro" = "xdebian" -o x"$with_distro" = "xubuntu"])
AM_CONDITIONAL([DISTRO_UBUNTU], [test "x$with_distro" = "xubuntu"])
# Check for init system type
AC_MSG_CHECKING([for init system type])
AC_ARG_WITH([init-script],
[AC_HELP_STRING([--with-init-script@<:@=TYPE@<:@,TYPE,...@:>@@:>@],
[Type(s) of init script to install: bsd, openrc, sysvinit, systemd, upstart,
distro @<:@default=distro@:>@])],[],[with_init_script=distro])
case "$with_init_script" in
distro)
case $with_distro in
fedora)
init_script=systemd
;;
redhat|centos|oracle|oracleserver)
init_script=sysvinit
;;
debian)
init_script=upstart,systemd,sysvinit
;;
ubuntu)
init_script=upstart,systemd,sysvinit
;;
pld)
init_script=systemd,sysvinit
;;
slackware)
echo -n "Warning: bsd init job not yet implemented"
init_script=
;;
gentoo)
echo -n "Warning: openrc init job not yet implemented"
init_script=
;;
*)
echo -n "Linux distribution init system unknown."
init_script=
;;
esac
;;
*)
init_script=$with_init_script
;;
esac
# Check valid init systems were given, run in subshell so we don't mess up IFS
(IFS="," ; for init_sys in $init_script;
do
case "$init_sys" in
none|bsd|openrc|sysvinit|systemd|upstart)
;;
*)
exit 1
;;
esac
done) || AC_MSG_ERROR([Unknown init system type in $init_script])
AM_CONDITIONAL([INIT_SCRIPT_BSD], [echo "$init_script" |grep -q "bsd"])
AM_CONDITIONAL([INIT_SCRIPT_OPENRC], [echo "$init_script" |grep -q "openrc"])
AM_CONDITIONAL([INIT_SCRIPT_SYSV], [echo "$init_script" |grep -q "sysvinit"])
AM_CONDITIONAL([INIT_SCRIPT_SYSTEMD], [echo "$init_script" |grep -q "systemd"])
AM_CONDITIONAL([INIT_SCRIPT_UPSTART], [echo "$init_script" |grep -q "upstart"])
AC_MSG_RESULT($init_script)
AC_SUBST([lxcfsdir], "${libdir}/lxcfs")
# Rootfs path, where the container mount structure is assembled
AC_ARG_WITH([rootfs-path],
[AC_HELP_STRING(
[--with-rootfs-path=dir],
[lxc rootfs mount point]
)], [], [with_rootfs_path=['${libdir}/lxc/rootfs']])
AS_AC_EXPAND(LIBDIR, "$libdir")
AC_CHECK_FUNCS([strlcpy],
AM_CONDITIONAL(HAVE_STRLCPY, true)
AC_DEFINE(HAVE_STRLCPY,1,[Have strlcpy]),
AM_CONDITIONAL(HAVE_STRLCPY, false))
AC_CHECK_FUNCS([strlcat],
AM_CONDITIONAL(HAVE_STRLCAT, true)
AC_DEFINE(HAVE_STRLCAT,1,[Have strlcat]),
AM_CONDITIONAL(HAVE_STRLCAT, false))
AC_CHECK_FUNCS([pidfd_open],
AM_CONDITIONAL(HAVE_PIDFD_OPEN, true)
AC_DEFINE(HAVE_PIDFD_OPEN,1,[Supports pidfd_open]),
AM_CONDITIONAL(HAVE_PIDFD_OPEN, false))
AC_CHECK_FUNCS([pidfd_send_signal],
AM_CONDITIONAL(HAVE_PIDFD_SEND_SIGNAL, true)
AC_DEFINE(HAVE_PIDFD_SEND_SIGNAL,1,[Supports pidfd_send_signal]),
AM_CONDITIONAL(HAVE_PIDFD_SEND_SIGNAL, false))
AX_CHECK_COMPILE_FLAG([-fdiagnostics-color], [CFLAGS="$CFLAGS -fdiagnostics-color"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough=5], [CFLAGS="$CFLAGS -Wimplicit-fallthrough=5"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wcast-align], [CFLAGS="$CFLAGS -Wcast-align"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wstrict-prototypes], [CFLAGS="$CFLAGS -Wstrict-prototypes"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [CFLAGS="$CFLAGS -fno-strict-aliasing"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-fstack-clash-protection], [CFLAGS="$CFLAGS -fstack-clash-protection"],,[-Werror])
AX_CHECK_LINK_FLAG([-fstack-protector-strong], [CFLAGS="$CFLAGS -fstack-protector-strong"],,[-Werror])
AX_CHECK_LINK_FLAG([--param=ssp-buffer-size=4], [CFLAGS="$CFLAGS --param=ssp-buffer-size=4"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-g], [CFLAGS="$CFLAGS -g"],,[-Werror])
AX_CHECK_COMPILE_FLAG([--mcet -fcf-protection], [CFLAGS="$CFLAGS --mcet -fcf-protection"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Werror=implicit-function-declaration], [CFLAGS="$CFLAGS -Werror=implicit-function-declaration"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wlogical-op], [CFLAGS="$CFLAGS -Wlogical-op"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wmissing-include-dirs], [CFLAGS="$CFLAGS -Wmissing-include-dirs"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wold-style-definition], [CFLAGS="$CFLAGS -Wold-style-definition"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Winit-self], [CFLAGS="$CFLAGS -Winit-self"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wunused-but-set-variable], [CFLAGS="$CFLAGS -Wunused-but-set-variable"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wfloat-equal], [CFLAGS="$CFLAGS -Wfloat-equal"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wsuggest-attribute=noreturn], [CFLAGS="$CFLAGS -Wsuggest-attribute=noreturn"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Werror=return-type], [CFLAGS="$CFLAGS -Werror=return-type"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Werror=incompatible-pointer-types], [CFLAGS="$CFLAGS -Werror=incompatible-pointer-types"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wformat=2], [CFLAGS="$CFLAGS -Wformat=2"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wshadow], [CFLAGS="$CFLAGS -Wshadow"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wendif-labels], [CFLAGS="$CFLAGS -Wendif-labels"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Werror=overflow], [CFLAGS="$CFLAGS -Werror=overflow"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-fdiagnostics-show-option], [CFLAGS="$CFLAGS -fdiagnostics-show-option"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Werror=shift-count-overflow], [CFLAGS="$CFLAGS -Werror=shift-count-overflow"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Werror=shift-overflow=2], [CFLAGS="$CFLAGS -Werror=shift-overflow=2"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wdate-time], [CFLAGS="$CFLAGS -Wdate-time"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wnested-externs], [CFLAGS="$CFLAGS -Wnested-externs"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-fasynchronous-unwind-tables], [CFLAGS="$CFLAGS -fasynchronous-unwind-tables"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-pipe], [CFLAGS="$CFLAGS -pipe"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-fexceptions], [CFLAGS="$CFLAGS -fexceptions"],,[-Werror])
CFLAGS="$CFLAGS -fvisibility=hidden -Wvla -std=gnu11"
AX_CHECK_LINK_FLAG([-z relro], [LDFLAGS="$LDFLAGS -z relro"],,[])
AX_CHECK_LINK_FLAG([-z now], [LDFLAGS="$LDFLAGS -z now"],,[])
# Build with ASAN commands
AC_ARG_ENABLE([asan],
[AS_HELP_STRING([--enable-asan], [build with address sanitizer enabled [default=no]])],
[enable_asan=$enableval], [enable_asan=no])
AM_CONDITIONAL([ENABLE_ASAN], [test "x$enable_asan" = "xyes"])
# Build with UBSAN commands
AC_ARG_ENABLE([ubsan],
[AS_HELP_STRING([--enable-ubsan], [build with ubsan sanitizer enabled [default=no]])],
[enable_asan=$enableval], [enable_ubsan=no])
AM_CONDITIONAL([ENABLE_UBSAN], [test "x$enable_ubsan" = "xyes"])
AC_OUTPUT
# Configuration overview
cat << EOF
----------------------------
Environment:
- compiler: $CC
Debugging:
- tests: $enable_tests
- ASAN: $enable_asan
- mutex debugging: $enable_mutex_debugging
EOF