AM_PROG_CC_C_O
AC_GNU_SOURCE
+# 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_HELP_STRING(
[--with-cgroup-pattern=pattern],
[pattern for container cgroups]
- )], [], [with_cgroup_pattern=['lxc/%n']])
+ )], [], [with_cgroup_pattern=['lxc.payload/%n']])
# The path for the apparmor_parser's cache for generated apparmor profiles
AC_ARG_WITH([apparmor-cache-dir],
AC_CHECK_DECLS([PR_GET_NO_NEW_PRIVS], [], [], [#include <sys/prctl.h>])
# Check for some headers
-AC_CHECK_HEADERS([sys/signalfd.h pty.h ifaddrs.h sys/memfd.h sys/personality.h utmpx.h sys/timerfd.h sys/resource.h])
+AC_CHECK_HEADERS([pty.h sys/memfd.h sys/personality.h sys/resource.h sys/signalfd.h sys/timerfd.h utmpx.h])
+
+AC_CHECK_HEADER([ifaddrs.h],
+ AM_CONDITIONAL(HAVE_IFADDRS_H, true)
+ AC_DEFINE(HAVE_IFADDRS_H, 1, [Have ifaddrs.h]),
+ AM_CONDITIONAL(HAVE_IFADDRS_H, false))
# lookup major()/minor()/makedev()
AC_HEADER_MAJOR
# Check for some syscalls functions
AC_CHECK_FUNCS([setns pivot_root sethostname unshare rand_r confstr faccessat gettid memfd_create])
+# Check for strerror_r() support. Defines:
+# - HAVE_STRERROR_R if available
+# - HAVE_DECL_STRERROR_R if defined
+# - STRERROR_R_CHAR_P if it returns char *
+AC_FUNC_STRERROR_R
+
# Check for some functions
AC_CHECK_LIB(pthread, main)
AC_CHECK_FUNCS(statvfs)
AM_CONDITIONAL(HAVE_FGETLN, true)
AC_DEFINE(HAVE_FGETLN,1,[Have fgetln]),
AM_CONDITIONAL(HAVE_FGETLN, false))
+AC_CHECK_FUNCS([keyctl],
+ AM_CONDITIONAL(HAVE_KEYCTL, true)
+ AC_DEFINE(HAVE_KEYCTL,1,[Have keyctl]),
+ AM_CONDITIONAL(HAVE_KEYCTL, false))
AC_CHECK_FUNCS([prlimit],
AM_CONDITIONAL(HAVE_PRLIMIT, true)
AC_DEFINE(HAVE_PRLIMIT,1,[Have prlimit]),
AC_DEFINE(HAVE_STRLCAT,1,[Have strlcat]),
AM_CONDITIONAL(HAVE_STRLCAT, false))
+# HAVE_STRUCT_RTNL_LINK_STATS64={0,1}
+AC_CHECK_TYPES([struct rtnl_link_stats64], [], [], [[#include <linux/if_link.h>]])
+
# Check for some libraries
AX_PTHREAD
AC_SEARCH_LIBS(clock_gettime, [rt])
# See if we support thread-local storage.
LXC_CHECK_TLS
+AX_CHECK_COMPILE_FLAG([-fdiagnostics-color], [CFLAGS="$CFLAGS -fdiagnostics-color"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough], [CFLAGS="$CFLAGS -Wimplicit-fallthrough"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-Wcast-align], [CFLAGS="$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="$CFLAGS -fstack-clash-protection"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-fstack-protector-strong], [CFLAGS="$CFLAGS -fstack-protector-strong"],,[-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="$CFLAGS -Werror=implicit-function-declaration"],,[-Werror])
+
+AX_CHECK_LINK_FLAG([-z relro], [LDLAGS="$LDLAGS -z relro"],,[])
+AX_CHECK_LINK_FLAG([-z now], [LDLAGS="$LDLAGS -z now"],,[])
+
+CFLAGS="$CFLAGS -Wvla -std=gnu11"
if test "x$enable_werror" = "xyes"; then
- CFLAGS="$CFLAGS -Werror -Wvla -std=gnu11"
+ CFLAGS="$CFLAGS -Werror"
fi
+AC_ARG_ENABLE([thread-safety],
+ [AC_HELP_STRING([--enable-thread-safety], [enforce thread-safety otherwise fail the build [default=yes]])],
+ [], [enable_thread_safety=yes])
+AM_CONDITIONAL([ENFORCE_THREAD_SAFETY], [test "x$enable_thread_safety" = "xyes"])
+
+AC_ARG_ENABLE([dlog],
+ [AC_HELP_STRING([--enable-dlog], [enable dlog support [default=no]])],
+ [], [enable_dlog=no])
+AM_CONDITIONAL([ENABLE_DLOG], [test "x$enable_dlog" = "xyes"])
+
+AM_COND_IF([ENABLE_DLOG],
+ [PKG_CHECK_MODULES([DLOG],[dlog],[],[
+ AC_CHECK_HEADER([dlog.h],[],[AC_MSG_ERROR([You must install the dlog development package in order to compile lxc])])
+ AC_CHECK_LIB([dlog], [dlog_print],[],[AC_MSG_ERROR([You must install the dlog development package in order to compile lxc])])
+ AC_SUBST([DLOG_LIBS], [-ldlog])
+ ])
+ ])
+
# Files requiring some variable expansion
AC_CONFIG_FILES([
Makefile
config/Makefile
config/apparmor/Makefile
+ config/apparmor/abstractions/start-container
config/selinux/Makefile
config/bash/Makefile
config/bash/lxc
Paths:
- Logs in configpath: $enable_configpath_log
+
+Thread-safety:
+ - enforce: $enable_thread_safety
+
+Dlog:
+ - enable: $enable_dlog
EOF