configure.ac

   1 AC_PREREQ([2.69])
   2
   3 AC_INIT([lxcfs], [4.0.9], [lxc-devel@lists.linuxcontainers.org])
   4
   5 # We need pkg-config
   6 PKG_PROG_PKG_CONFIG
   7
   8 AC_CONFIG_SRCDIR([configure.ac])
   9 AC_CONFIG_AUX_DIR([config])
  10 AC_CONFIG_HEADERS([config.h])
  11
  12 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")
  13 AC_CONFIG_MACRO_DIR([m4])
  14 AM_INIT_AUTOMAKE([-Wall -Werror -Wno-portability subdir-objects])
  15 AC_CANONICAL_HOST
  16 AM_PROG_CC_C_O
  17 AC_USE_SYSTEM_EXTENSIONS
  18
  19 # Test if we have a new enough compiler.
  20 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
  21 #define GCC_VERSION \
  22         (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
  23
  24 #define CLANG_VERSION \
  25         (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
  26
  27 #if GCC_VERSION < 40700 && CLANG_VERSION < 10000
  28 #error Sorry, your compiler is too old - please upgrade it
  29 #endif
  30         ]])], [valid_compiler=yes], [valid_compiler=no])
  31 if test "x$valid_compiler" = "xno"; then
  32         AC_MSG_ERROR([Sorry, your compiler is too old - please upgrade it])
  33 fi
  34
  35 # libtool
  36 LT_INIT
  37 AC_SUBST([LIBTOOL_DEPS])
  38
  39 AC_CONFIG_FILES([
  40         Makefile
  41         lxcfs.spec
  42
  43         config/Makefile
  44         config/init/Makefile
  45         config/init/systemd/Makefile
  46         config/init/systemd/lxcfs.service
  47         config/init/sysvinit/Makefile
  48         config/init/upstart/Makefile
  49
  50         doc/Makefile
  51
  52         share/Makefile
  53         share/00-lxcfs.conf
  54         share/lxc.mount.hook
  55         share/lxc.reboot.hook
  56
  57         src/Makefile
  58
  59         tests/Makefile ])
  60
  61 AC_CHECK_LIB(pthread, main)
  62
  63 PKG_CHECK_MODULES(FUSE, fuse3, [have_fuse3=yes], [have_fuse3=no])
  64 if test "x$have_fuse3" = "xyes"; then
  65         AC_DEFINE([HAVE_FUSE3], [1], [Use fuse3])
  66         AC_DEFINE_UNQUOTED([FUSE_USE_VERSION], [30], [Use fuse version 30])
  67 else
  68         PKG_CHECK_MODULES(FUSE, fuse, [AC_DEFINE_UNQUOTED([FUSE_USE_VERSION], [26], [Use fuse])])
  69 fi
  70
  71 AC_PATH_PROG(HELP2MAN, help2man, false // No help2man //)
  72 AM_CONDITIONAL([HAVE_HELP2MAN], [test "x$HELP2MAN" != "xfalse // No help2man //" ])
  73
  74 AC_ARG_WITH([runtime-path],
  75         [AC_HELP_STRING(
  76                 [--with-runtime-path=dir],
  77                 [runtime directory (default: /run)]
  78         )], [], [with_runtime_path=['/run']])
  79
  80 AS_AC_EXPAND(RUNTIME_PATH, "$with_runtime_path")
  81 AS_AC_EXPAND(LXCFSSHAREDIR, "$datarootdir/lxcfs")
  82 AS_AC_EXPAND(LXCCONFDIR, "$datarootdir/lxc/config/common.conf.d")
  83 AS_AC_EXPAND(LXCFSTARGETDIR, "$localstatedir/lib/lxcfs")
  84
  85 # Detect the distribution. This is used for the default configuration and
  86 # for some distro-specific build options.
  87 AC_MSG_CHECKING([host distribution])
  88 AC_ARG_WITH(distro, AS_HELP_STRING([--with-distro=DISTRO], [Specify the Linux distribution to target: One of redhat, oracle, centos, fedora, suse, gentoo, debian, arch, slackware, paldo, openmandriva or pardus.]))
  89 if type lsb_release >/dev/null 2>&1 && test "z$with_distro" = "z"; then
  90         with_distro=`lsb_release -is`
  91 fi
  92
  93 if test "z$with_distro" = "z"; then
  94         AC_CHECK_FILE(/etc/redhat-release,with_distro="redhat")
  95         AC_CHECK_FILE(/etc/oracle-release,with_distro="oracle")
  96         AC_CHECK_FILE(/etc/centos-release,with_distro="centos")
  97         AC_CHECK_FILE(/etc/fedora-release,with_distro="fedora")
  98         AC_CHECK_FILE(/etc/SuSE-release,with_distro="suse")
  99         AC_CHECK_FILE(/etc/gentoo-release,with_distro="gentoo")
 100         AC_CHECK_FILE(/etc/debian_version,with_distro="debian")
 101         AC_CHECK_FILE(/etc/arch-release,with_distro="arch")
 102         AC_CHECK_FILE(/etc/slackware-version,with_distro="slackware")
 103         AC_CHECK_FILE(/etc/frugalware-release,with_distro="frugalware")
 104         AC_CHECK_FILE(/etc/mandrakelinux-release, with_distro="openmandriva")
 105         AC_CHECK_FILE(/etc/mandriva-release,with_distro="openmandriva")
 106         AC_CHECK_FILE(/etc/pardus-release,with_distro="pardus")
 107         AC_CHECK_FILE(/etc/pld-release,with_distro="pld")
 108 fi
 109
 110 with_distro=`echo ${with_distro} | tr '[[:upper:]]' '[[:lower:]]'`
 111
 112 if test "z$with_distro" = "z"; then
 113         with_distro="unknown"
 114 fi
 115
 116 case $with_distro in
 117         ubuntu)
 118                 distroconf=default.conf.ubuntu
 119                 ;;
 120         redhat|centos|fedora|oracle|oracleserver|pld)
 121                 distroconf=default.conf.libvirt
 122                 ;;
 123         *)
 124                 distroconf=default.conf.unknown
 125                 ;;
 126 esac
 127
 128 AC_MSG_RESULT([$with_distro])
 129 AM_CONDITIONAL([HAVE_DEBIAN], [test x"$with_distro" = "xdebian" -o x"$with_distro" = "xubuntu"])
 130 AM_CONDITIONAL([DISTRO_UBUNTU], [test "x$with_distro" = "xubuntu"])
 131
 132 # Check for init system type
 133 AC_MSG_CHECKING([for init system type])
 134 AC_ARG_WITH([init-script],
 135             [AC_HELP_STRING([--with-init-script@<:@=TYPE@<:@,TYPE,...@:>@@:>@],
 136                             [Type(s) of init script to install: bsd, openrc, sysvinit, systemd, upstart,
 137                              distro @<:@default=distro@:>@])],[],[with_init_script=distro])
 138 case "$with_init_script" in
 139         distro)
 140                 case $with_distro in
 141                         fedora)
 142                                 init_script=systemd
 143                                 ;;
 144                         redhat|centos|oracle|oracleserver)
 145                                 init_script=sysvinit
 146                                 ;;
 147                         debian)
 148                                 init_script=upstart,systemd,sysvinit
 149                                 ;;
 150                         ubuntu)
 151                                 init_script=upstart,systemd,sysvinit
 152                                 ;;
 153                         pld)
 154                                 init_script=systemd,sysvinit
 155                                 ;;
 156                         slackware)
 157                                 echo -n "Warning: bsd init job not yet implemented"
 158                                 init_script=
 159                                 ;;
 160                         gentoo)
 161                                 echo -n "Warning: openrc init job not yet implemented"
 162                                 init_script=
 163                                 ;;
 164                         *)
 165                                 echo -n "Linux distribution init system unknown."
 166                                 init_script=
 167                                 ;;
 168                 esac
 169                 ;;
 170         *)
 171                 init_script=$with_init_script
 172                 ;;
 173 esac
 174
 175 # Check valid init systems were given, run in subshell so we don't mess up IFS
 176 (IFS="," ; for init_sys in $init_script;
 177 do
 178         case "$init_sys" in
 179                 none|bsd|openrc|sysvinit|systemd|upstart)
 180                         ;;
 181                 *)
 182                         exit 1
 183                         ;;
 184         esac
 185 done) || AC_MSG_ERROR([Unknown init system type in $init_script])
 186
 187 AM_CONDITIONAL([INIT_SCRIPT_BSD], [echo "$init_script" |grep -q "bsd"])
 188 AM_CONDITIONAL([INIT_SCRIPT_OPENRC], [echo "$init_script" |grep -q "openrc"])
 189 AM_CONDITIONAL([INIT_SCRIPT_SYSV], [echo "$init_script" |grep -q "sysvinit"])
 190 AM_CONDITIONAL([INIT_SCRIPT_SYSTEMD], [echo "$init_script" |grep -q "systemd"])
 191 AM_CONDITIONAL([INIT_SCRIPT_UPSTART], [echo "$init_script" |grep -q "upstart"])
 192 AC_MSG_RESULT($init_script)
 193
 194 AC_SUBST([lxcfsdir], "${libdir}/lxcfs")
 195
 196 # Rootfs path, where the container mount structure is assembled
 197 AC_ARG_WITH([rootfs-path],
 198         [AC_HELP_STRING(
 199                 [--with-rootfs-path=dir],
 200                 [lxc rootfs mount point]
 201         )], [], [with_rootfs_path=['${libdir}/lxc/rootfs']])
 202
 203 AS_AC_EXPAND(LIBDIR, "$libdir")
 204
 205 AC_CHECK_FUNCS([strlcpy],
 206         AM_CONDITIONAL(HAVE_STRLCPY, true)
 207         AC_DEFINE(HAVE_STRLCPY,1,[Have strlcpy]),
 208         AM_CONDITIONAL(HAVE_STRLCPY, false))
 209
 210 AC_CHECK_FUNCS([strlcat],
 211         AM_CONDITIONAL(HAVE_STRLCAT, true)
 212         AC_DEFINE(HAVE_STRLCAT,1,[Have strlcat]),
 213         AM_CONDITIONAL(HAVE_STRLCAT, false))
 214
 215 AC_CHECK_FUNCS([pidfd_open],
 216         AM_CONDITIONAL(HAVE_PIDFD_OPEN, true)
 217         AC_DEFINE(HAVE_PIDFD_OPEN,1,[Supports pidfd_open]),
 218         AM_CONDITIONAL(HAVE_PIDFD_OPEN, false))
 219
 220 AC_CHECK_FUNCS([pidfd_send_signal],
 221         AM_CONDITIONAL(HAVE_PIDFD_SEND_SIGNAL, true)
 222         AC_DEFINE(HAVE_PIDFD_SEND_SIGNAL,1,[Supports pidfd_send_signal]),
 223         AM_CONDITIONAL(HAVE_PIDFD_SEND_SIGNAL, false))
 224
 225 AX_CHECK_COMPILE_FLAG([-fdiagnostics-color], [CFLAGS="$CFLAGS -fdiagnostics-color"],,[-Werror])
 226 AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough=5], [CFLAGS="$CFLAGS -Wimplicit-fallthrough=5"],,[-Werror])
 227 AX_CHECK_COMPILE_FLAG([-Wcast-align], [CFLAGS="$CFLAGS -Wcast-align"],,[-Werror])
 228 AX_CHECK_COMPILE_FLAG([-Wstrict-prototypes], [CFLAGS="$CFLAGS -Wstrict-prototypes"],,[-Werror])
 229 AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [CFLAGS="$CFLAGS -fno-strict-aliasing"],,[-Werror])
 230 AX_CHECK_COMPILE_FLAG([-fstack-clash-protection], [CFLAGS="$CFLAGS -fstack-clash-protection"],,[-Werror])
 231 AX_CHECK_LINK_FLAG([-fstack-protector-strong], [CFLAGS="$CFLAGS -fstack-protector-strong"],,[-Werror])
 232 AX_CHECK_LINK_FLAG([--param=ssp-buffer-size=4], [CFLAGS="$CFLAGS --param=ssp-buffer-size=4"],,[-Werror])
 233 AX_CHECK_COMPILE_FLAG([-g], [CFLAGS="$CFLAGS -g"],,[-Werror])
 234 AX_CHECK_COMPILE_FLAG([--mcet -fcf-protection], [CFLAGS="$CFLAGS --mcet -fcf-protection"],,[-Werror])
 235 AX_CHECK_COMPILE_FLAG([-Werror=implicit-function-declaration], [CFLAGS="$CFLAGS -Werror=implicit-function-declaration"],,[-Werror])
 236 AX_CHECK_COMPILE_FLAG([-Wlogical-op], [CFLAGS="$CFLAGS -Wlogical-op"],,[-Werror])
 237 AX_CHECK_COMPILE_FLAG([-Wmissing-include-dirs], [CFLAGS="$CFLAGS -Wmissing-include-dirs"],,[-Werror])
 238 AX_CHECK_COMPILE_FLAG([-Wold-style-definition], [CFLAGS="$CFLAGS -Wold-style-definition"],,[-Werror])
 239 AX_CHECK_COMPILE_FLAG([-Winit-self], [CFLAGS="$CFLAGS -Winit-self"],,[-Werror])
 240 AX_CHECK_COMPILE_FLAG([-Wunused-but-set-variable], [CFLAGS="$CFLAGS -Wunused-but-set-variable"],,[-Werror])
 241 AX_CHECK_COMPILE_FLAG([-Wfloat-equal], [CFLAGS="$CFLAGS -Wfloat-equal"],,[-Werror])
 242 AX_CHECK_COMPILE_FLAG([-Wsuggest-attribute=noreturn], [CFLAGS="$CFLAGS -Wsuggest-attribute=noreturn"],,[-Werror])
 243 AX_CHECK_COMPILE_FLAG([-Werror=return-type], [CFLAGS="$CFLAGS -Werror=return-type"],,[-Werror])
 244 AX_CHECK_COMPILE_FLAG([-Werror=incompatible-pointer-types], [CFLAGS="$CFLAGS -Werror=incompatible-pointer-types"],,[-Werror])
 245 AX_CHECK_COMPILE_FLAG([-Wformat=2], [CFLAGS="$CFLAGS -Wformat=2"],,[-Werror])
 246 AX_CHECK_COMPILE_FLAG([-Wshadow], [CFLAGS="$CFLAGS -Wshadow"],,[-Werror])
 247 AX_CHECK_COMPILE_FLAG([-Wendif-labels], [CFLAGS="$CFLAGS -Wendif-labels"],,[-Werror])
 248 AX_CHECK_COMPILE_FLAG([-Werror=overflow], [CFLAGS="$CFLAGS -Werror=overflow"],,[-Werror])
 249 AX_CHECK_COMPILE_FLAG([-fdiagnostics-show-option], [CFLAGS="$CFLAGS -fdiagnostics-show-option"],,[-Werror])
 250 AX_CHECK_COMPILE_FLAG([-Werror=shift-count-overflow], [CFLAGS="$CFLAGS -Werror=shift-count-overflow"],,[-Werror])
 251 AX_CHECK_COMPILE_FLAG([-Werror=shift-overflow=2], [CFLAGS="$CFLAGS -Werror=shift-overflow=2"],,[-Werror])
 252 AX_CHECK_COMPILE_FLAG([-Wdate-time], [CFLAGS="$CFLAGS -Wdate-time"],,[-Werror])
 253 AX_CHECK_COMPILE_FLAG([-Wnested-externs], [CFLAGS="$CFLAGS -Wnested-externs"],,[-Werror])
 254 AX_CHECK_COMPILE_FLAG([-fasynchronous-unwind-tables], [CFLAGS="$CFLAGS -fasynchronous-unwind-tables"],,[-Werror])
 255 AX_CHECK_COMPILE_FLAG([-pipe], [CFLAGS="$CFLAGS -pipe"],,[-Werror])
 256 AX_CHECK_COMPILE_FLAG([-fexceptions], [CFLAGS="$CFLAGS -fexceptions"],,[-Werror])
 257
 258 CFLAGS="$CFLAGS -fvisibility=hidden -Wvla -std=gnu11"
 259 AX_CHECK_LINK_FLAG([-z relro], [LDFLAGS="$LDFLAGS -z relro"],,[])
 260 AX_CHECK_LINK_FLAG([-z now], [LDFLAGS="$LDFLAGS -z now"],,[])
 261
 262 # Build with ASAN commands
 263 AC_ARG_ENABLE([asan],
 264         [AS_HELP_STRING([--enable-asan], [build with address sanitizer enabled [default=no]])],
 265         [enable_asan=$enableval], [enable_asan=no])
 266 AM_CONDITIONAL([ENABLE_ASAN], [test "x$enable_asan" = "xyes"])
 267
 268 # Build with UBSAN commands
 269 AC_ARG_ENABLE([ubsan],
 270         [AS_HELP_STRING([--enable-ubsan], [build with ubsan sanitizer enabled [default=no]])],
 271         [enable_asan=$enableval], [enable_ubsan=no])
 272 AM_CONDITIONAL([ENABLE_UBSAN], [test "x$enable_ubsan" = "xyes"])
 273
 274 AC_OUTPUT
 275
 276 # Configuration overview
 277 cat << EOF
 278
 279 ----------------------------
 280 Environment:
 281  - compiler: $CC
 282
 283 Debugging:
 284  - tests: $enable_tests
 285  - ASAN: $enable_asan
 286  - mutex debugging: $enable_mutex_debugging
 287 EOF