AM_PROG_CC_C_O
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
+AC_GNU_SOURCE
# Test if we have a new enough compiler.
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
fi
AC_PROG_GCC_TRADITIONAL
+AC_PROG_CXX
AC_ENABLE_SHARED
AC_ENABLE_STATIC
# Check binaries
AC_MSG_CHECKING([host distribution])
AC_ARG_WITH(distro, AS_HELP_STRING([--with-distro=DISTRO], [Specify the Linux distribution to target: One of redhat, redhatenterpriseserver, oracle, centos, fedora, suse, gentoo, debian, arch, slackware, plamo, paldo, openmandriva, pardus, sparclinux, altlinux.]))
if type lsb_release >/dev/null 2>&1 && test "z$with_distro" = "z"; then
- with_distro=`lsb_release -is`
+ with_distro=$(lsb_release -is)
fi
if test "z$with_distro" = "z"; then
AC_CHECK_FILE(/etc/redhat-release,with_distro="redhat")
AC_CHECK_FILE(/etc/altlinux-release,with_distro="altlinux")
AC_CHECK_FILE(/etc/pld-release,with_distro="pld")
fi
-with_distro=`echo ${with_distro} | tr '[[:upper:]]' '[[:lower:]]'`
+with_distro=$(echo ${with_distro} | tr '[[:upper:]]' '[[:lower:]]')
if test "z$with_distro" = "zforsparc"; then
with_distro="sparclinux"
[enable_no_undefined=$enableval], [enable_no_undefined=yes])
AM_CONDITIONAL([ENABLE_NO_UNDEFINED], [test "x$enable_no_undefined" = "xyes"])
+AC_ARG_ENABLE([fuzzers],
+ [AS_HELP_STRING([--enable-fuzzers], [compile with fuzzers])],
+ [enable_fuzzers=$enableval], [enable_fuzzers=no])
+AM_CONDITIONAL([ENABLE_FUZZERS], [test "x$enable_fuzzers" = "xyes"])
+
+AM_CONDITIONAL([OSS_FUZZ], [test "x$LIB_FUZZING_ENGINE" != x])
+
# Allow disabling rpath
AC_ARG_ENABLE([rpath],
[AS_HELP_STRING([--enable-rpath], [set rpath in executables [default=no]])],
-fno-omit-frame-pointer])
AC_SUBST(AM_CFLAGS)
+ CC_CHECK_FLAGS_APPEND([AM_LDFLAGS],[LDFLAGS],[ \
+ -fsanitize=address \
+ -fsanitize=undefined])
+ AC_SUBST(AM_LDFLAGS)
+
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
+if test "x$enable_fuzzers" = "xyes"; then
+ if test "x$LIB_FUZZING_ENGINE" = x; then
+ CC_CHECK_FLAGS_APPEND([AM_CFLAGS],[CFLAGS],[ \
+ -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION \
+ -DRUN_ON_OSS_FUZZ=0 \
+ -fsanitize=fuzzer-no-link])
+ else
+ CC_CHECK_FLAGS_APPEND([AM_CFLAGS],[CFLAGS],[ \
+ -DRUN_ON_OSS_FUZZ=1])
+ fi
+fi
+
+if test "x$enable_fuzzers" = "xno" -a "x$enable_sanitizers" = "xno"; then
+ CC_CHECK_FLAGS_APPEND([AM_CFLAGS],[CFLAGS],[-flto=thin])
+fi
+AC_SUBST(AM_CFLAGS)
+
# Optional test binaries
AC_ARG_ENABLE([tests],
[AS_HELP_STRING([--enable-tests], [build test/example binaries [default=no]])],
[pamdir],
[AS_HELP_STRING([--with-pamdir=PATH],[Specify the directory where PAM modules are stored,
or "none" if PAM modules are not to be built])],
- [pamdir=$withval],
+ [exec_pamdir=$withval],
[
if test "${prefix}" = "/usr"; then
- pamdir="/lib${libdir##*/lib}/security"
+ exec_pamdir="/lib${libdir##*/lib}/security"
else
- pamdir="\$(libdir)/security"
+ exec_pamdir="\$(libdir)/security"
fi
]
)])
-AM_CONDITIONAL([HAVE_PAM], [test x"$pamdir" != "xnone"])
+AM_CONDITIONAL([HAVE_PAM], [test x"$exec_pamdir" != "xnone"])
AM_COND_IF([ENABLE_PAM],
- [if test "z$pamdir" != "znone"; then
+ [if test "z$exec_pamdir" != "znone"; then
AC_ARG_VAR([PAM_CFLAGS], [C compiler flags for pam])
AC_ARG_VAR([PAM_LIBS], [linker flags for pam])
AC_CHECK_LIB(
])
AC_SUBST(PAM_LIBS)
- AC_SUBST([pamdir])
+ AC_SUBST([exec_pamdir])
fi])
# Some systems lack PR_CAPBSET_DROP definition => HAVE_DECL_PR_CAPBSET_DROP
AC_DEFINE(HAVE_IFADDRS_H, 1, [Have ifaddrs.h]),
AM_CONDITIONAL(HAVE_IFADDRS_H, false))
+AC_ARG_ENABLE([liburing],
+ [AS_HELP_STRING([--enable-liburing], [enable liburing support [default=auto]])],
+ [enable_liburing=$enableval], [enable_liburing=auto])
+
+if test "x$enable_liburing" = "auto"; then
+ AC_CHECK_LIB([uring],[__io_uring_sqring_wait],[enable_liburing=yes],[enable_liburing=no])
+fi
+
+AM_CONDITIONAL([ENABLE_LIBURING], [test "x$enable_liburing" = "xyes"])
+
+AM_COND_IF([ENABLE_LIBURING],
+ [AC_CHECK_HEADER([liburing.h],[],[AC_MSG_ERROR([You must install the liburing development package in order to compile lxc])])
+ # We use __io_uring_sqring_wait as an indicator whether liburing is new enough to support poll.
+ AC_CHECK_LIB([uring],[__io_uring_sqring_wait],[],[AC_MSG_ERROR([The liburing development package in order to compile lxc])])
+ AC_SUBST([LIBURING_LIBS], [-luring])])
+
# lookup major()/minor()/makedev()
AC_HEADER_MAJOR
# Check for some syscalls functions
-AC_CHECK_FUNCS([setns pivot_root sethostname unshare rand_r confstr faccessat gettid memfd_create move_mount open_tree execveat clone3 fsopen fspick fsconfig fsmount, openat2, close_range, statvfs, mount_setattr])
+AC_CHECK_FUNCS([setns pivot_root sethostname unshare rand_r confstr faccessat gettid memfd_create move_mount open_tree execveat clone3 fsopen fspick fsconfig fsmount openat2 close_range statvfs mount_setattr sigdescr_np])
AC_CHECK_TYPES([__aligned_u64], [], [], [[#include <linux/types.h>]])
AC_CHECK_TYPES([struct mount_attr], [], [], [[#include <linux/mount.h>]])
AC_CHECK_TYPES([struct open_how], [], [], [[#include <linux/openat2.h>]])
# - STRERROR_R_CHAR_P if it returns char *
AC_FUNC_STRERROR_R
-# Check if "%m" is supported by printf and Co
-AC_MSG_CHECKING([%m format])
-AC_RUN_IFELSE([AC_LANG_SOURCE([[
-#include <stdio.h>
-int main(void)
-{
- char msg[256];
- int rc;
-
- rc = snprintf(msg, sizeof(msg), "%m\n");
- if ((rc > 1) && (msg[0] != '%'))
- {
- return 0;
- }
- else
- {
- return 1;
- }
-}]])],[fmt_m=yes],[fmt_m=no],[fmt_m=no])
-if test "x$fmt_m" = "xyes"; then
- AC_DEFINE([HAVE_M_FORMAT], 1, [Have %m format])
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
-fi
-
# Check for some functions
AC_CHECK_LIB(pthread, main)
AC_CHECK_LIB(util, openpty)
AX_PTHREAD
AC_SEARCH_LIBS(clock_gettime, [rt])
-# See if we support thread-local storage.
-LXC_CHECK_TLS
-
# Hardening flags
CC_CHECK_FLAGS_APPEND([AM_CFLAGS],[CFLAGS],[ \
-fPIE \
-Warray-bounds \
-Wrestrict \
-Wreturn-local-addr \
- -flto=thin \
-fsanitize=cfi \
-Wstringop-overflow])
AC_SUBST(AM_CFLAGS)
PAM:
- PAM module: $enable_pam
- - cgroup PAM module: $pamdir
+ - cgroup PAM module: $exec_pamdir
Documentation:
- examples: $enable_examples
- Coverity: $enable_coverity_build
- mutex debugging: $enable_mutex_debugging
- tests: $enable_tests
+ - fuzzers: $enable_fuzzers
Paths:
- Logs in configpath: $enable_configpath_log
projects / mirror_lxc.git / blobdiff