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firejail/configure.ac
Kelvin M. Klann 97874c3bf9 Revert "Merge pull request #5315 from ChrysoliteAzalea/landlock" 
This reverts commit 54cb3e741e, reversing
changes made to 97b1e02d5f.

There were many issues and requests for changes raised in the pull
request (both code-wise and design-wise) and most of them are still
unresolved[1].

[1] https://github.com/netblue30/firejail/pull/5315
2022-09-05 01:07:41 -03:00

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#
# Note:
#
# If for any reason autoconf fails, run "autoreconf -i --install " and try again.
# This is how the error looks like on Arch Linux:
# ./configure: line 3064: syntax error near unexpected token `newline'
# ./configure: line 3064: `AX_CHECK_COMPILE_FLAG('
#
# We rely solely on autoconf, without automake. Apparently, in this case
# the macros from m4 directory are not picked up by default by automake.
# "autoreconf -i --install" seems to fix the problem.
#
AC_PREREQ([2.68])
AC_INIT([firejail], [0.9.71], [netblue30@protonmail.com], [],
[https://firejail.wordpress.com])
AC_CONFIG_SRCDIR([src/firejail/main.c])
AC_CONFIG_MACRO_DIR([m4])
AC_PROG_CC
HAVE_SPECTRE="no"
AX_CHECK_COMPILE_FLAG(
[-mindirect-branch=thunk],
[HAVE_SPECTRE="yes" && EXTRA_CFLAGS="$EXTRA_CFLAGS -mindirect-branch=thunk"]
)
AX_CHECK_COMPILE_FLAG(
[-mretpoline],
[HAVE_SPECTRE="yes" && EXTRA_CFLAGS="$EXTRA_CFLAGS -mretpoline"]
)
AX_CHECK_COMPILE_FLAG(
[-fstack-clash-protection],
[HAVE_SPECTRE="yes" && EXTRA_CFLAGS="$EXTRA_CFLAGS -fstack-clash-protection"]
)
AX_CHECK_COMPILE_FLAG(
[-fstack-protector-strong],
[HAVE_SPECTRE="yes" && EXTRA_CFLAGS="$EXTRA_CFLAGS -fstack-protector-strong"]
)
AC_ARG_ENABLE([analyzer],
[AS_HELP_STRING([--enable-analyzer], [enable GCC static analyzer])])
AS_IF([test "x$enable_analyzer" = "xyes"], [
EXTRA_CFLAGS="$EXTRA_CFLAGS -fanalyzer -Wno-analyzer-malloc-leak"
])
AC_ARG_ENABLE([sanitizer],
[AS_HELP_STRING([--enable-sanitizer=@<:@address | memory | undefined@:>@], [enable a compiler-based sanitizer (debug)])],
[], [enable_sanitizer=no])
AS_IF([test "x$enable_sanitizer" != "xno" ],
[AX_CHECK_COMPILE_FLAG([-fsanitize=$enable_sanitizer], [
EXTRA_CFLAGS="$EXTRA_CFLAGS -fsanitize=$enable_sanitizer -fno-omit-frame-pointer"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -fsanitize=$enable_sanitizer"
], [AC_MSG_ERROR([sanitizer not supported: $enable_sanitizer])]
)])
HAVE_IDS=""
AC_SUBST([HAVE_IDS])
AC_ARG_ENABLE([ids],
[AS_HELP_STRING([--enable-ids], [enable ids])])
AS_IF([test "x$enable_ids" = "xyes"], [
HAVE_IDS="-DHAVE_IDS"
])
HAVE_APPARMOR=""
AC_SUBST([HAVE_APPARMOR])
AC_ARG_ENABLE([apparmor],
[AS_HELP_STRING([--enable-apparmor], [enable apparmor])])
AS_IF([test "x$enable_apparmor" = "xyes"], [
HAVE_APPARMOR="-DHAVE_APPARMOR"
PKG_CHECK_MODULES([AA], [libapparmor],
[EXTRA_CFLAGS="$EXTRA_CFLAGS $AA_CFLAGS" && EXTRA_LDFLAGS="$EXTRA_LDFLAGS $AA_LIBS"])
])
HAVE_SELINUX=""
AC_SUBST([HAVE_SELINUX])
AC_ARG_ENABLE([selinux],
[AS_HELP_STRING([--enable-selinux], [SELinux labeling support])])
AS_IF([test "x$enable_selinux" = "xyes"], [
HAVE_SELINUX="-DHAVE_SELINUX"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lselinux"
])
AC_SUBST([EXTRA_CFLAGS])
AC_SUBST([EXTRA_LDFLAGS])
HAVE_DBUSPROXY=""
AC_SUBST([HAVE_DBUSPROXY])
AC_ARG_ENABLE([dbusproxy],
[AS_HELP_STRING([--disable-dbusproxy], [disable dbus proxy])])
AS_IF([test "x$enable_dbusproxy" != "xno"], [
HAVE_DBUSPROXY="-DHAVE_DBUSPROXY"
])
# overlayfs features temporarily disabled pending fixes
HAVE_OVERLAYFS=""
AC_SUBST([HAVE_OVERLAYFS])
#AC_ARG_ENABLE([overlayfs],
# [AS_HELP_STRING([--disable-overlayfs], [disable overlayfs])])
#AS_IF([test "x$enable_overlayfs" != "xno"], [
# HAVE_OVERLAYFS="-DHAVE_OVERLAYFS"
#])
HAVE_OUTPUT=""
AC_SUBST([HAVE_OUTPUT])
AC_ARG_ENABLE([output],
[AS_HELP_STRING([--disable-output], [disable --output logging])])
AS_IF([test "x$enable_output" != "xno"], [
HAVE_OUTPUT="-DHAVE_OUTPUT"
])
HAVE_USERTMPFS=""
AC_SUBST([HAVE_USERTMPFS])
AC_ARG_ENABLE([usertmpfs],
[AS_HELP_STRING([--disable-usertmpfs], [disable tmpfs as regular user])])
AS_IF([test "x$enable_usertmpfs" != "xno"], [
HAVE_USERTMPFS="-DHAVE_USERTMPFS"
])
HAVE_MAN="no"
AC_SUBST([HAVE_MAN])
AC_ARG_ENABLE([man],
[AS_HELP_STRING([--disable-man], [disable man pages])])
AS_IF([test "x$enable_man" != "xno"], [
HAVE_MAN="-DHAVE_MAN"
AC_CHECK_PROG([HAVE_GAWK], [gawk], [yes], [no])
AS_IF([test "x$HAVE_GAWK" != "xyes"], [AC_MSG_ERROR([*** gawk not found ***])])
])
HAVE_FIRETUNNEL=""
AC_SUBST([HAVE_FIRETUNNEL])
AC_ARG_ENABLE([firetunnel],
[AS_HELP_STRING([--enable-firetunnel], [enable firetunnel])])
AS_IF([test "x$enable_firetunnel" = "xyes"], [
HAVE_FIRETUNNEL="-DHAVE_FIRETUNNEL"
])
HAVE_PRIVATE_HOME=""
AC_SUBST([HAVE_PRIVATE_HOME])
AC_ARG_ENABLE([private-home],
[AS_HELP_STRING([--disable-private-home], [disable private home feature])])
AS_IF([test "x$enable_private_home" != "xno"], [
HAVE_PRIVATE_HOME="-DHAVE_PRIVATE_HOME"
])
HAVE_CHROOT=""
AC_SUBST([HAVE_CHROOT])
AC_ARG_ENABLE([chroot],
[AS_HELP_STRING([--disable-chroot], [disable chroot])])
AS_IF([test "x$enable_chroot" != "xno"], [
HAVE_CHROOT="-DHAVE_CHROOT"
])
HAVE_GLOBALCFG=""
AC_SUBST([HAVE_GLOBALCFG])
AC_ARG_ENABLE([globalcfg],
[AS_HELP_STRING([--disable-globalcfg],
[if the global config file firejail.config is not present, continue the program using defaults])])
AS_IF([test "x$enable_globalcfg" != "xno"], [
HAVE_GLOBALCFG="-DHAVE_GLOBALCFG"
])
HAVE_NETWORK=""
AC_SUBST([HAVE_NETWORK])
AC_ARG_ENABLE([network],
[AS_HELP_STRING([--disable-network], [disable network])])
AS_IF([test "x$enable_network" != "xno"], [
HAVE_NETWORK="-DHAVE_NETWORK"
])
HAVE_USERNS=""
AC_SUBST([HAVE_USERNS])
AC_ARG_ENABLE([userns],
[AS_HELP_STRING([--disable-userns], [disable user namespace])])
AS_IF([test "x$enable_userns" != "xno"], [
HAVE_USERNS="-DHAVE_USERNS"
])
HAVE_X11=""
AC_SUBST([HAVE_X11])
AC_ARG_ENABLE([x11],
[AS_HELP_STRING([--disable-x11], [disable X11 sandboxing support])])
AS_IF([test "x$enable_x11" != "xno"], [
HAVE_X11="-DHAVE_X11"
])
HAVE_FILE_TRANSFER=""
AC_SUBST([HAVE_FILE_TRANSFER])
AC_ARG_ENABLE([file-transfer],
[AS_HELP_STRING([--disable-file-transfer], [disable file transfer])])
AS_IF([test "x$enable_file_transfer" != "xno"], [
HAVE_FILE_TRANSFER="-DHAVE_FILE_TRANSFER"
])
HAVE_SUID=""
AC_SUBST([HAVE_SUID])
AC_ARG_ENABLE([suid],
[AS_HELP_STRING([--disable-suid], [install as a non-SUID executable])])
AS_IF([test "x$enable_suid" != "xno"], [
HAVE_SUID="-DHAVE_SUID"
])
HAVE_FATAL_WARNINGS=""
AC_SUBST([HAVE_FATAL_WARNINGS])
AC_ARG_ENABLE([fatal_warnings],
[AS_HELP_STRING([--enable-fatal-warnings], [-W -Wall -Werror])])
AS_IF([test "x$enable_fatal_warnings" = "xyes"], [
HAVE_FATAL_WARNINGS="-W -Wall -Werror"
])
BUSYBOX_WORKAROUND="no"
AC_SUBST([BUSYBOX_WORKAROUND])
AC_ARG_ENABLE([busybox-workaround],
[AS_HELP_STRING([--enable-busybox-workaround], [enable busybox workaround])])
AS_IF([test "x$enable_busybox_workaround" = "xyes"], [
BUSYBOX_WORKAROUND="yes"
])
HAVE_GCOV=""
AC_SUBST([HAVE_GCOV])
AC_ARG_ENABLE([gcov],
[AS_HELP_STRING([--enable-gcov], [Gcov instrumentation])])
AS_IF([test "x$enable_gcov" = "xyes"], [
HAVE_GCOV="--coverage -DHAVE_GCOV"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lgcov --coverage"
])
HAVE_CONTRIB_INSTALL="yes"
AC_SUBST([HAVE_CONTRIB_INSTALL])
AC_ARG_ENABLE([contrib-install],
[AS_HELP_STRING([--enable-contrib-install], [install contrib scripts])])
AS_IF([test "x$enable_contrib_install" = "xno"], [
HAVE_CONTRIB_INSTALL="no"
])
HAVE_FORCE_NONEWPRIVS=""
AC_SUBST([HAVE_FORCE_NONEWPRIVS])
AC_ARG_ENABLE([force-nonewprivs],
[AS_HELP_STRING([--enable-force-nonewprivs], [enable force nonewprivs])])
AS_IF([test "x$enable_force_nonewprivs" = "xyes"], [
HAVE_FORCE_NONEWPRIVS="-DHAVE_FORCE_NONEWPRIVS"
])
HAVE_ONLY_SYSCFG_PROFILES=""
AC_SUBST([HAVE_ONLY_SYSCFG_PROFILES])
AC_ARG_ENABLE([only-syscfg-profiles],
[AS_HELP_STRING([--enable-only-syscfg-profiles], [disable profiles in $HOME/.config/firejail])])
AS_IF([test "x$enable_only_syscfg_profiles" = "xyes"], [
HAVE_ONLY_SYSCFG_PROFILES="-DHAVE_ONLY_SYSCFG_PROFILES"
])
HAVE_LTS=""
AC_SUBST([HAVE_LTS])
AC_ARG_ENABLE([lts],
[AS_HELP_STRING([--enable-lts], [enable long-term support software version (LTS)])])
AS_IF([test "x$enable_lts" = "xyes"], [
HAVE_LTS="-DHAVE_LTS"
HAVE_IDS=""
HAVE_DBUSPROXY=""
HAVE_OVERLAYFS=""
HAVE_OUTPUT=""
HAVE_USERTMPFS=""
HAVE_MAN="-DHAVE_MAN"
HAVE_FIRETUNNEL=""
HAVE_PRIVATE_HOME=""
HAVE_CHROOT=""
HAVE_GLOBALCFG=""
HAVE_USERNS=""
HAVE_X11=""
HAVE_FILE_TRANSFER=""
HAVE_SUID="-DHAVE_SUID"
BUSYBOX_WORKAROUND="no"
HAVE_CONTRIB_INSTALL="no",
])
AC_CHECK_HEADER([linux/seccomp.h], [], AC_MSG_ERROR([*** SECCOMP support is not installed (/usr/include/linux/seccomp.h missing) ***]))
# set sysconfdir
if test "$prefix" = /usr; then
test "$sysconfdir" = '${prefix}/etc' && sysconfdir="/etc"
fi
AC_CONFIG_FILES([config.mk config.sh])
AC_OUTPUT
cat <<EOF
Compile options:
EXTRA_CFLAGS: $EXTRA_CFLAGS
EXTRA_LDFLAGS: $EXTRA_LDFLAGS
fatal warnings: $HAVE_FATAL_WARNINGS
gcov instrumentation: $HAVE_GCOV
install as a SUID executable: $HAVE_SUID
install contrib scripts: $HAVE_CONTRIB_INSTALL
prefix: $prefix
sysconfdir: $sysconfdir
Spectre compiler patch: $HAVE_SPECTRE
Features:
allow tmpfs as regular user: $HAVE_USERTMPFS
always enforce filters: $HAVE_FORCE_NONEWPRIVS
apparmor: $HAVE_APPARMOR
busybox workaround: $BUSYBOX_WORKAROUND
chroot: $HAVE_CHROOT
DBUS proxy support: $HAVE_DBUSPROXY
disable user profiles: $HAVE_ONLY_SYSCFG_PROFILES
enable --output logging: $HAVE_OUTPUT
file transfer support: $HAVE_FILE_TRANSFER
firetunnel support: $HAVE_FIRETUNNEL
global config: $HAVE_GLOBALCFG
IDS support: $HAVE_IDS
LTS: $HAVE_LTS
manpage support: $HAVE_MAN
network: $HAVE_NETWORK
overlayfs support: $HAVE_OVERLAYFS
private home support: $HAVE_PRIVATE_HOME
SELinux labeling support: $HAVE_SELINUX
user namespace: $HAVE_USERNS
X11 sandboxing support: $HAVE_X11
EOF
if test "$HAVE_LTS" = -DHAVE_LTS; then
cat <<\EOF
*********************************************************
* Warning: Long-term support (LTS) was enabled! *
* Most compile-time options have bean rewritten! *
*********************************************************
EOF
fi
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