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configure.ac
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configure.ac
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AC_INIT([util-linux],
m4_esyscmd([tools/git-version-gen .tarball-version]),
[[email protected]], [],
[http://www.kernel.org/pub/linux/utils/util-linux/])
AC_PREREQ([2.64])
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_MACRO_DIR([m4])
dnl AC_USE_SYSTEM_EXTENSIONS must be called before any macros that run
dnl the compiler (like LT_INIT) to avoid autoconf errors.
AC_USE_SYSTEM_EXTENSIONS
AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign 1.10 tar-pax no-dist-gzip dist-xz subdir-objects])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
[AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AC_CONFIG_SRCDIR([sys-utils/mount.c])
AC_PREFIX_DEFAULT([/usr])
dnl version details from <major>.<minor>[-<suffix>]
PACKAGE_VERSION_MAJOR=$(echo $PACKAGE_VERSION | awk -F. '{print $1}')
PACKAGE_VERSION_MINOR=$(echo $PACKAGE_VERSION | awk -F. '{
sub("-.*","",$2); print $2}')
PACKAGE_VERSION_RELEASE=$(echo $PACKAGE_VERSION | awk -F. '{
sub("-.*","",$3); print $3 ~ /^@<:@0-9@:>@+$/ ? $3 : 0}')
dnl libblkid version
LIBBLKID_VERSION="$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR.$PACKAGE_VERSION_RELEASE"
LIBBLKID_DATE="01-Jun-2021"
LIBBLKID_LT_MAJOR=1
LIBBLKID_LT_MINOR=1
LIBBLKID_LT_MICRO=0
LIBBLKID_VERSION_INFO=`expr $LIBBLKID_LT_MAJOR + $LIBBLKID_LT_MINOR`:$LIBBLKID_LT_MICRO:$LIBBLKID_LT_MINOR
dnl libuuid version
LIBUUID_VERSION="$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR.$PACKAGE_VERSION_RELEASE"
LIBUUID_LT_MAJOR=1
LIBUUID_LT_MINOR=3
LIBUUID_LT_MICRO=0
LIBUUID_VERSION_INFO=`expr $LIBUUID_LT_MAJOR + $LIBUUID_LT_MINOR`:$LIBUUID_LT_MICRO:$LIBUUID_LT_MINOR
dnl libmount version
LIBMOUNT_VERSION="$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR.$PACKAGE_VERSION_RELEASE"
LIBMOUNT_LT_MAJOR=1
LIBMOUNT_LT_MINOR=1
LIBMOUNT_LT_MICRO=0
LIBMOUNT_VERSION_INFO=`expr $LIBMOUNT_LT_MAJOR + $LIBMOUNT_LT_MINOR`:$LIBMOUNT_LT_MICRO:$LIBMOUNT_LT_MINOR
dnl libsmartcols version
LIBSMARTCOLS_VERSION="$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR.$PACKAGE_VERSION_RELEASE"
LIBSMARTCOLS_LT_MAJOR=1
LIBSMARTCOLS_LT_MINOR=1
LIBSMARTCOLS_LT_MICRO=0
LIBSMARTCOLS_VERSION_INFO=`expr $LIBSMARTCOLS_LT_MAJOR + $LIBSMARTCOLS_LT_MINOR`:$LIBSMARTCOLS_LT_MICRO:$LIBSMARTCOLS_LT_MINOR
dnl libfdisk version
LIBFDISK_VERSION="$PACKAGE_VERSION_MAJOR.$PACKAGE_VERSION_MINOR.$PACKAGE_VERSION_RELEASE"
LIBFDISK_LT_MAJOR=1
LIBFDISK_LT_MINOR=1
LIBFDISK_LT_MICRO=0
LIBFDISK_VERSION_INFO=`expr $LIBFDISK_LT_MAJOR + $LIBFDISK_LT_MINOR`:$LIBFDISK_LT_MICRO:$LIBFDISK_LT_MINOR
# Check whether exec_prefix=/usr:
AS_CASE([$exec_prefix:$prefix],
[NONE:NONE | NONE:/usr | /usr:*],
[AC_MSG_NOTICE([Default --exec-prefix detected.])
AS_CASE([$bindir], ['${exec_prefix}/bin'], [bindir=/bin; AC_MSG_NOTICE([ --bindir defaults to /bin]) ])
AS_CASE([$sbindir], ['${exec_prefix}/sbin'], [sbindir=/sbin; AC_MSG_NOTICE([ --sbindir defaults to /sbin])])
AS_CASE([$libdir], ['${exec_prefix}/lib'], [libdir=/lib; AC_MSG_NOTICE([ --libdir defaults to /lib]) ])
AS_CASE([$libdir], ['${exec_prefix}/lib64'],[libdir=/lib64; AC_MSG_NOTICE([ --libdir defaults to /lib64]) ])
]
)
# Check whether prefix=/usr
AS_CASE([$prefix],
[NONE | /usr],
[AC_MSG_NOTICE([Default --prefix detected.])
AS_CASE([$localstatedir], [NONE | '${prefix}/var' | "${prefix}"/var ],
[localstatedir=/var; AC_MSG_NOTICE([ --localstatedir defaults to /var])])
AS_CASE([$sysconfdir], [NONE | '${prefix}/etc' | "${prefix}"/etc ],
[sysconfdir=/etc; AC_MSG_NOTICE([ --sysconfdir defaults to /etc])])
]
)
# default for old versions without $runstatedir
AS_IF([test x"$runstatedir" = x], [runstatedir='${localstatedir}/run'])
# our default if $localstatedir unchanged
AS_CASE([$localstatedir:$runstatedir],
[NONE:'${localstatedir}/run' | /var:'${localstatedir}/run' | NONE:'/run' ],
[runstatedir=/run; AC_MSG_NOTICE([ --runstatedir defaults to /run])]
)
AC_SUBST([runstatedir])
# The original default values of {bin,sbin,lib}dir
usrbin_execdir='${exec_prefix}/bin'
AC_SUBST([usrbin_execdir])
usrsbin_execdir='${exec_prefix}/sbin'
AC_SUBST([usrsbin_execdir])
AS_CASE([$libdir],
['${exec_prefix}/'* | '${prefix}/'* | /usr/* | "${prefix}"/* ],
[usrlib_execdir=$libdir],
[usrlib_execdir='${exec_prefix}'$libdir]
)
AC_SUBST([usrlib_execdir])
# static configuration maintaned by packages (e.g. /usr/lib)
AC_ARG_VAR([SYSCONFSTATICDIR],
[Path to static system configuration, default ${prefix}/lib])
AS_IF([test "x$SYSCONFSTATICDIR" = x],
[sysconfstaticdir='${prefix}/lib'],
[sysconfstaticdir=$SYSCONFSTATICDIR])
AC_SUBST([sysconfstaticdir])
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_MKDIR_P
AC_PROG_YACC
AC_CANONICAL_HOST
AC_C_CONST
AC_C_VOLATILE
AC_C_BIGENDIAN
dnl Compiler warnings
UL_WARN_ADD([-fno-common])
UL_WARN_ADD([-Wall])
UL_WARN_ADD([-Wextra])
UL_WARN_ADD([-Waddress-of-packed-member])
UL_WARN_ADD([-Wdiscarded-qualifiers])
UL_WARN_ADD([-Wembedded-directive])
UL_WARN_ADD([-Wextra-semi])
UL_WARN_ADD([-Wformat-security])
UL_WARN_ADD([-Wimplicit-function-declaration])
UL_WARN_ADD([-Wmissing-declarations])
UL_WARN_ADD([-Wmissing-parameter-type])
UL_WARN_ADD([-Wmissing-prototypes])
UL_WARN_ADD([-Wnested-externs])
UL_WARN_ADD([-Wno-missing-field-initializers])
UL_WARN_ADD([-Wpointer-arith])
UL_WARN_ADD([-Wredundant-decls])
UL_WARN_ADD([-Wsign-compare])
UL_WARN_ADD([-Wstrict-prototypes])
UL_WARN_ADD([-Wtype-limits])
UL_WARN_ADD([-Wuninitialized])
UL_WARN_ADD([-Wunused-but-set-parameter])
UL_WARN_ADD([-Wunused-but-set-variable])
UL_WARN_ADD([-Wunused-parameter])
UL_WARN_ADD([-Wunused-result])
UL_WARN_ADD([-Wunused-variable])
AC_ARG_ENABLE([werror],
AS_HELP_STRING([--enable-werror], [make all compiler warnings into errors]),
[], [enable_werror=no]
)
AS_IF([test "x$enable_werror" = xyes], [
UL_WARN_ADD([-Werror])
],[
UL_WARN_ADD([-Werror=sequence-point])
])
AC_SUBST([WARN_CFLAGS])
UL_WARN_ADD([-Wno-clobbered], [BSD_WARN_CFLAGS])
AC_SUBST([BSD_WARN_CFLAGS])
UL_WARN_ADD([-Wno-cast-function-type], [PYTHON_WARN_CFLAGS])
AC_SUBST([PYTHON_WARN_CFLAGS])
UL_WARN_ADD([-Wno-unused-parameter], [NO_UNUSED_WARN_CFLAGS])
AC_SUBST([NO_UNUSED_WARN_CFLAGS])
AC_ARG_ENABLE([asan],
AS_HELP_STRING([--enable-asan], [compile with Address Sanitizer]),
[], [enable_asan=no]
)
AS_IF([test "x$enable_asan" = xyes], [
UL_WARN_ADD([-fsanitize=address])
ASAN_LDFLAGS="-fsanitize=address"
])
AC_SUBST([ASAN_LDFLAGS])
AC_ARG_ENABLE([ubsan],
AS_HELP_STRING([--enable-ubsan], [compile with UBsan]),
[], [enable_ubsan=no]
)
AS_IF([test "x$enable_ubsan" = xyes], [
UL_WARN_ADD([-fsanitize=undefined])
UBSAN_LDFLAGS="-fsanitize=undefined"
])
AC_SUBST([UBSAN_LDFLAGS])
AC_ARG_ENABLE([fuzzing-engine],
AS_HELP_STRING([--enable-fuzzing-engine], [compile with fuzzing engine]),
[], [enable_fuzzing_engine=no]
)
AS_IF([test "x$enable_fuzzing_engine" = xyes && test "x$LIB_FUZZING_ENGINE" = x], [
UL_WARN_ADD([-fno-omit-frame-pointer])
UL_WARN_ADD([-gline-tables-only])
UL_WARN_ADD([-fsanitize=fuzzer-no-link])
FUZZING_ENGINE_LDFLAGS="-fsanitize=fuzzer-no-link"
])
AC_SUBST([FUZZING_ENGINE_LDFLAGS])
AC_PROG_CXX
AM_CONDITIONAL([FUZZING_ENGINE], [test "x$enable_fuzzing_engine" = xyes])
AM_CONDITIONAL([OSS_FUZZ], [test "x$LIB_FUZZING_ENGINE" != x])
dnl libtool-2
LT_INIT
dnl check supported linker flags
AX_CHECK_VSCRIPT
m4_ifndef([PKG_PROG_PKG_CONFIG],
[m4_fatal([Could not locate the pkg-config autoconf
macros. These are usually located in /usr/share/aclocal/pkg.m4.
If your macros are in a different location, try setting the
environment variable AL_OPTS="-I/other/macro/dir" before running
./autogen.sh or autoreconf again. Make sure pkg-config is installed.])])
PKG_PROG_PKG_CONFIG
PKG_INSTALLDIR(['${usrlib_execdir}/pkgconfig'])
GTK_DOC_CHECK([1.10])
AC_PATH_PROG([XSLTPROC], [xsltproc])
linux_os=no
bsd_os=no
AS_CASE([${host_os}],
[*linux*],
[linux_os=yes],
[*darwin*],
[darwin_os=yes],
[*bsd*],
[bsd_os=yes])
AM_CONDITIONAL([LINUX], [test "x$linux_os" = xyes])
AM_CONDITIONAL([DARWIN], [test "x$darwin_os" = xyes])
AM_CONDITIONAL([BSD], [test "x$bsd_os" = xyes])
AS_IF([test "x$darwin_os" = xyes], [
AC_DEFINE([_DARWIN_C_SOURCE], [1], [Enable MAP_ANON in sys/mman.h on Mac OS X])
])
dnl define ARCH_<NAME> conditionals
UL_SET_ARCH([I86], [i?86-*])
UL_SET_ARCH([86_64], [x86_64*])
UL_SET_ARCH([IA64], [ia64*])
UL_SET_ARCH([S390], [s390*])
UL_SET_ARCH([SPARC], [sparc*])
UL_SET_ARCH([PPC], [ppc*|powerpc*])
UL_SET_ARCH([M68K], [m68*])
UL_SET_ARCH([MIPS], [mips*])
UL_SET_ARCH([HPPA], [hppa*|parisc*])
AC_SYS_LARGEFILE
AC_HEADER_ASSERT
AC_STRUCT_TIMEZONE
dnl Don't forget to maintain alternatively allowed versions in autogen.sh!
AM_GNU_GETTEXT_VERSION([0.18.3])
AM_GNU_GETTEXT([external])
AS_IF([test -d "$srcdir/po"], [
ALL_LINGUAS=`cd $srcdir/po > /dev/null && echo *.po | sed 's/\.po//g'`
], [dnl echo $ALL_LINGUAS | sed 's/ /\n/g' | sort -u | column -xc 72 -o ' ' | sed 's/^/\t/'
ALL_LINGUAS="
af am ar as be bg bn bn_IN ca
cs cy da de el en_GB es et eu_ES
fa fi fr gl gu he hi hr hu
hy id is it ja ka kn ko ku
lo lt lv mk ml mr ms my nb
nl nn no nso or pa pl pt pt_BR
ro ru si sk sl sq sr sr@Latn sv
ta te th tr uk ur vi zh_CN zh_TW
zu
"])
AC_CHECK_HEADERS([linux/compiler.h linux/blkpg.h linux/major.h], [], [], [
#ifdef HAVE_LINUX_COMPILER_H
#include <linux/compiler.h>
#endif
])
AC_CHECK_HEADERS([ \
asm/io.h \
byteswap.h \
endian.h \
err.h \
errno.h \
fcntl.h \
getopt.h \
inttypes.h \
lastlog.h \
libutil.h \
linux/blkzoned.h \
linux/btrfs.h \
linux/capability.h \
linux/cdrom.h \
linux/falloc.h \
linux/fd.h \
linux/fiemap.h \
linux/kcmp.h \
linux/net_namespace.h \
linux/nsfs.h \
linux/raw.h \
linux/securebits.h \
linux/tiocl.h \
linux/version.h \
linux/watchdog.h \
linux/if_alg.h \
locale.h \
mntent.h \
net/if_dl.h \
net/if.h \
netinet/in.h \
paths.h \
pty.h \
security/pam_appl.h \
shadow.h \
stdint.h \
stdio_ext.h \
stdlib.h \
sys/disk.h \
sys/disklabel.h \
sys/endian.h \
sys/file.h \
sys/ioccom.h \
sys/ioctl.h \
sys/io.h \
sys/mkdev.h \
sys/mount.h \
sys/param.h \
sys/prctl.h \
sys/resource.h \
sys/sendfile.h \
sys/signalfd.h \
sys/socket.h \
sys/sockio.h \
sys/stat.h \
sys/swap.h \
sys/syscall.h \
sys/sysmacros.h \
sys/time.h \
sys/timex.h \
sys/ttydefaults.h \
sys/types.h \
sys/ucred.h \
sys/un.h \
sys/xattr.h \
unistd.h \
utmp.h \
utmpx.h \
])
# There is a collision in old kernel-headers. The both files mount.h and fs.h
# define MS_* macros. Fixed by kernel commit e462ec50cb5fad19f6003a3d8087f4a0945dd2b1.
#
AC_CHECK_HEADERS([linux/fs.h ], [], [],
[#ifdef HAVE_SYS_MOUNT_H
# include <linux/fs.h>
# include <sys/mount.h>
#endif
])
AC_CHECK_HEADERS([linux/gsmmux.h ], [], [],
[#ifdef LINUX_GSMMUX_H
# include <linux/gsmmux.h>
#endif
])
AC_CHECK_HEADERS([security/pam_misc.h],
[AM_CONDITIONAL([HAVE_LINUXPAM], [true])],
[AM_CONDITIONAL([HAVE_LINUXPAM], [false])], [
#ifdef HAVE_SECURITY_PAM_APPL_H
#include <security/pam_appl.h>
#endif
])
AC_CHECK_DECLS([BLK_ZONE_REP_CAPACITY], [], [], [
#include <linux/blkzoned.h>
])
AC_CHECK_HEADERS([security/openpam.h], [], [], [
#ifdef HAVE_SECURITY_PAM_APPL_H
#include <security/pam_appl.h>
#endif
])
AC_CHECK_HEADERS([langinfo.h],
[AM_CONDITIONAL([HAVE_LANGINFO_H], [true])],
[AM_CONDITIONAL([HAVE_LANGINFO_H], [false])])
AC_MSG_CHECKING([whether langinfo.h defines ALTMON_x constants])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <langinfo.h>
]], [[
char *str;
str = nl_langinfo (ALTMON_1);
str = nl_langinfo (ALTMON_2);
str = nl_langinfo (ALTMON_3);
str = nl_langinfo (ALTMON_4);
str = nl_langinfo (ALTMON_5);
str = nl_langinfo (ALTMON_6);
str = nl_langinfo (ALTMON_7);
str = nl_langinfo (ALTMON_8);
str = nl_langinfo (ALTMON_9);
str = nl_langinfo (ALTMON_10);
str = nl_langinfo (ALTMON_11);
str = nl_langinfo (ALTMON_12);
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_LANGINFO_ALTMON], [1],
[Define if langinfo.h defines ALTMON_x constants])
], [
AC_MSG_RESULT([no])
])
AC_MSG_CHECKING([whether langinfo.h defines _NL_ABALTMON_x constants])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <langinfo.h>
]], [[
char *str;
str = nl_langinfo (_NL_ABALTMON_1);
str = nl_langinfo (_NL_ABALTMON_2);
str = nl_langinfo (_NL_ABALTMON_3);
str = nl_langinfo (_NL_ABALTMON_4);
str = nl_langinfo (_NL_ABALTMON_5);
str = nl_langinfo (_NL_ABALTMON_6);
str = nl_langinfo (_NL_ABALTMON_7);
str = nl_langinfo (_NL_ABALTMON_8);
str = nl_langinfo (_NL_ABALTMON_9);
str = nl_langinfo (_NL_ABALTMON_10);
str = nl_langinfo (_NL_ABALTMON_11);
str = nl_langinfo (_NL_ABALTMON_12);
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_LANGINFO_NL_ABALTMON], [1],
[Define if langinfo.h defines _NL_ABALTMON_x constants])
], [
AC_MSG_RESULT([no])
])
dnl Convert some ac_cv_header_* variables to have_*
dnl
have_linux_blkzoned_h=$ac_cv_header_linux_blkzoned_h
have_linux_btrfs_h=$ac_cv_header_linux_btrfs_h
have_linux_capability_h=$ac_cv_header_linux_capability_h
have_linux_kcmp_h=$ac_cv_header_linux_kcmp_h
have_linux_raw_h=$ac_cv_header_linux_raw_h
have_linux_securebits_h=$ac_cv_header_linux_securebits_h
have_linux_version_h=$ac_cv_header_linux_version_h
have_linux_watchdog_h=$ac_cv_header_linux_watchdog_h
have_pty_h=$ac_cv_header_pty_h
have_security_openpam_h=$ac_cv_header_security_openpam_h
have_security_pam_appl_h=$ac_cv_header_security_pam_appl_h
have_security_pam_misc_h=$ac_cv_header_security_pam_misc_h
have_shadow_h=$ac_cv_header_shadow_h
have_sys_signalfd_h=$ac_cv_header_sys_signalfd_h
have_utmpx_h=$ac_cv_header_utmpx_h
have_mntent_h=$ac_cv_header_mntent_h
AS_CASE([$linux_os:$have_linux_version_h],
[yes:no],
[AC_MSG_ERROR([kernel headers required on Linux])]
)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <time.h>
#include <unistd.h>
]], [[
int a = 0;
struct tm *tm = localtime(0);
if (a == -1) /* false */
sleep(tm->tm_gmtoff);
]])],
[AC_DEFINE([HAVE_TM_GMTOFF], [1], [Does struct tm have a field tm_gmtoff?])
])
AC_CHECK_MEMBERS([struct termios.c_line],,,
[[#include <termios.h>]])
AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec],,,
[#include <sys/stat.h>])
AC_CHECK_DECLS([_NL_TIME_WEEK_1STDAY],[],[],[[#include <langinfo.h>]])
AC_CHECK_DECL([environ],
[AC_DEFINE([HAVE_ENVIRON_DECL], [1],
[Define to 1 if have **environ prototype])],
)
AC_CHECK_DECL([strsignal],
[AC_DEFINE([HAVE_STRSIGNAL_DECL], [1],
[Define to 1 if have strsignal function prototype])],
)
AC_CHECK_DECL([TIOCGLCKTRMIOS],
[have_tiocglcktrmios=yes], [have_tiocglcktrmios=no],
[#include <sys/ioctl.h>])
AC_CHECK_DECL([SOCK_CLOEXEC],
[have_sock_cloexec=yes], [have_sock_cloexec=no],
[#include <sys/types.h>
#include <sys/socket.h>])
AC_CHECK_DECL([SOCK_NONBLOCK],
[have_sock_nonblock=yes], [have_sock_nonblock=no],
[#include <sys/types.h>
#include <sys/socket.h>])
AC_CHECK_DECL([SO_PASSCRED],
[have_so_passcred=yes], [have_so_passcred=no],
[#include <sys/types.h>
#include <sys/socket.h>])
AC_CHECK_FUNCS([ \
clearenv \
close_range \
eaccess \
err \
errx \
explicit_bzero \
__fpending \
__fpurge \
fpurge \
fsync \
getdomainname \
getdtablesize \
getexecname \
getmntinfo \
getrandom \
getrlimit \
getsgnam \
getttynam \
inotify_init \
jrand48 \
lchown \
lgetxattr \
llistxattr \
llseek \
newlocale \
mempcpy \
mkostemp \
nanosleep \
ntp_gettime \
personality \
pidfd_open \
pidfd_send_signal \
posix_fadvise \
prctl \
qsort_r \
rpmatch \
scandirat \
sched_setattr \
sched_setscheduler \
__secure_getenv \
secure_getenv \
sendfile \
setprogname \
setresgid \
setresuid \
sigqueue \
srandom \
strnchr \
strndup \
strnlen \
strtod_l \
sysconf \
sysinfo \
timegm \
usleep \
uselocale \
utimensat \
vwarnx \
warn \
warnx \
])
AC_FUNC_FSEEKO
AC_CHECK_FUNCS([futimens], [have_futimens=yes])
AC_CHECK_FUNCS([getusershell], [have_getusershell=yes],[have_getusershell=no])
AC_CHECK_FUNCS([inotify_init1], [have_inotify_init1=yes])
AC_CHECK_FUNCS([ioperm iopl], [have_io=yes])
AC_CHECK_FUNCS([openat fstatat unlinkat], [have_openat=yes], [have_openat=no])
AC_CHECK_FUNCS([open_memstream], [have_open_memstream=yes],[have_open_memstream=no])
AC_CHECK_FUNCS([reboot], [have_reboot=yes],[have_reboot=no])
AC_CHECK_FUNCS([updwtmpx updwtmpx], [have_gnu_utmpx=yes], [have_gnu_utmpx=no])
AM_CONDITIONAL([HAVE_OPENAT], [test "x$have_openat" = xyes])
have_setns_syscall="yes"
UL_CHECK_SYSCALL([setns])
AS_IF([test "x$ul_cv_syscall_setns" = xno], [
have_setns_syscall="no"
])
UL_CHECK_SYSCALL([pidfd_open])
UL_CHECK_SYSCALL([pidfd_send_signal])
UL_CHECK_SYSCALL([close_range])
AC_CHECK_FUNCS([isnan], [],
[AC_CHECK_LIB([m], [isnan], [MATH_LIBS="-lm"])]
[AC_CHECK_LIB([m], [__isnan], [MATH_LIBS="-lm"])]
)
AC_SUBST([MATH_LIBS])
dnl lib/mononotic.c may require -lrt
AC_CHECK_FUNCS([clock_gettime], [],
[AC_CHECK_LIB([rt], [clock_gettime], [REALTIME_LIBS="-lrt"])]
)
have_timer="no"
AC_CHECK_FUNCS([timer_create],
[have_timer="yes"],
[AC_CHECK_LIB([rt], [timer_create], [
have_timer="yes"
REALTIME_LIBS="-lrt"
AC_DEFINE_UNQUOTED([HAVE_TIMER_CREATE], [1], [Define if timer_create exist in -lrt])
],[
AC_SEARCH_LIBS([timer_create], [rt], [
AC_MSG_RESULT(yes)
have_timer="yes"
REALTIME_LIBS="-lrt -lpthread"
AC_DEFINE_UNQUOTED([HAVE_TIMER_CREATE], [1], [Define if timer_create exist in -lrt -lpthread])
],[], [-lpthread]
)
])]
)
AC_SUBST([REALTIME_LIBS])
AS_IF([test x"$have_timer" = xno], [
AC_CHECK_FUNCS([setitimer], [have_timer="yes"], [have_timer="no"])
])
AC_CHECK_LIB([rtas], [rtas_get_sysparm], [
RTAS_LIBS="-lrtas"
AC_DEFINE_UNQUOTED([HAVE_LIBRTAS], [1], [Define if librtas exists]), [],
])
AC_SUBST([RTAS_LIBS])
AC_CHECK_MEMBER([struct sockaddr.sa_len],
AC_DEFINE_UNQUOTED([HAVE_SA_LEN], [1], [Define if struct sockaddr contains sa_len]), [],
[#include <sys/types.h>
#include <sys/socket.h>])
SOCKET_LIBS=
AC_SEARCH_LIBS([socket], [socket],
[AS_IF([test x"$ac_cv_search_socket" != x"none required"],
[SOCKET_LIBS="$SOCKET_LIBS -lsocket"])
])
AC_SUBST([SOCKET_LIBS])
have_dirfd=no
AC_CHECK_FUNCS([dirfd], [have_dirfd=yes], [have_dirfd=no])
AS_IF([test x"$have_dirfd" = xno], [
AC_CHECK_DECLS([dirfd],
[have_dirfd=yes], [have_dirfd=no],
[#include <sys/types.h>
#include <dirent.h>])
])
have_ddfd=no
AS_IF([test x"$have_dirfd" = xno], [
AC_CHECK_MEMBERS([DIR.dd_fd],
[have_ddfd=yes], [have_ddfd=no],
[#include <sys/types.h>
#include <dirent.h>])
])
AM_CONDITIONAL([HAVE_DIRFD], [test "x$have_dirfd" = xyes || test "x$have_ddfd" = xyes])
AC_MSG_CHECKING([whether program_invocation_short_name is defined])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <errno.h>
]], [[
program_invocation_short_name = "test";
]])], [
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_PROGRAM_INVOCATION_SHORT_NAME], [1],
[Define if program_invocation_short_name is defined])
], [
AC_MSG_RESULT([no])
])
AC_MSG_CHECKING([whether __progname is defined])
AC_LINK_IFELSE([AC_LANG_PROGRAM([extern char *__progname;],
[if (*__progname == 0) return 1;])],
AC_DEFINE([HAVE___PROGNAME], [1], [Define if __progname is defined])
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no]))
dnl Static compilation
m4_define([UL_STATIC_PROGRAMS], [blkid, fdisk, losetup, mount, nsenter, sfdisk, umount, unshare])
AC_ARG_ENABLE([static-programs],
[AS_HELP_STRING([--enable-static-programs=LIST],
[link static the programs in LIST (comma-separated,
supported for ]m4_defn([UL_STATIC_PROGRAMS])[)])])
AS_CASE([$enable_static_programs],
[yes],
[enable_static_programs=m4_quote(UL_STATIC_PROGRAMS)],
[no],
[enable_static_programs=]
)
dnl Set all the individual AM_CONDITIONALs
m4_foreach([UL_PRG], m4_defn([UL_STATIC_PROGRAMS]), [
AS_CASE([,$enable_static_programs,],
[*,UL_PRG,*], [static_[]UL_PRG=yes]
)
AS_IF([test "x$static_[]UL_PRG" = xyes], [AC_MSG_NOTICE([enable static build: UL_PRG.])])
AM_CONDITIONAL([HAVE_STATIC_]m4_toupper(UL_PRG),
[test "x$static_[]UL_PRG" = xyes])
])
AC_ARG_ENABLE([all-programs],
AS_HELP_STRING([--disable-all-programs], [disable everything, might be overridden by --enable-<name>]),
[], [enable_all_programs=undefined]
)
AS_CASE([$enable_all_programs],
[yes], [AC_MSG_WARN([force to build all programs by default])
ul_default_estate=check],
[no], [AC_MSG_WARN([disable all programs and man pages by default])
ul_default_estate=no]
)
AC_ARG_ENABLE([asciidoc],
AS_HELP_STRING([--disable-asciidoc], [do not generate man pages from asciidoc]),
[], [UL_DEFAULT_ENABLE([asciidoc], [check])]
)
UL_BUILD_INIT([asciidoc])
UL_REQUIRES_PROGRAM([asciidoc], [ASCIIDOCTOR], [asciidoctor], [man pages])
AM_CONDITIONAL([ENABLE_ASCIIDOC], [test "x$build_asciidoc" = xyes])
have_manpages=no
AS_IF([test -f "$srcdir/sys-utils/mount.8"], [
AC_MSG_NOTICE([re-use already generated man-pages.])
have_manpages=yes]
)
AM_CONDITIONAL([HAVE_MANPAGES], [test "x$have_manpages" = xyes])
AC_ARG_ENABLE([poman],
AS_HELP_STRING([--enable-poman], [generate translated man pages]),
[], [enable_poman=no]
)
UL_BUILD_INIT([poman])
UL_REQUIRES_PROGRAM([poman], [PO4A], [po4a], [translated man pages])
AM_CONDITIONAL([ENABLE_POMAN], [test "x$build_poman" = xyes])
AX_CHECK_TLS
have_pty=no
AC_ARG_WITH([util], AS_HELP_STRING([--without-util], [compile without libutil]),
[], [with_util=auto]
)
AS_IF([test "x$with_util" = xno], [
AM_CONDITIONAL([HAVE_UTIL], [false])
have_util=no
], [
UL_CHECK_LIB([util], [openpty])
])
AS_IF([test "x$have_pty_h" = xyes && test "x$have_sys_signalfd_h" = xyes && test "x$have_util" = xyes], [
AM_CONDITIONAL([HAVE_PTY], [true])
AC_DEFINE([HAVE_PTY], [1], [have PTY support])
have_pty=yes
], [
AM_CONDITIONAL([HAVE_PTY], [false])
])
AC_CHECK_TYPES([union semun], [], [], [[
#include <sys/sem.h>
]])
AC_CHECK_TYPES([loff_t])
AC_ARG_ENABLE([widechar],
AS_HELP_STRING([--disable-widechar], [do not compile wide character support]),
[], [enable_widechar=check]
)
UL_BUILD_INIT([widechar])
UL_REQUIRES_COMPILE([widechar], [[
#include <wchar.h>
#include <wctype.h>
#include <stdio.h>
#include <stdlib.h>
]], [[
wchar_t wc;
wint_t w;
w = fgetwc(stdin);
if (w == WEOF) exit(1);
wc = w;
fputwc(wc,stdout);
]],
[wchar_t support])
AS_IF([test "x$build_widechar" = xyes ], [
AC_DEFINE([HAVE_WIDECHAR], [1], [Do we have wide character support?])
])
AC_CHECK_TYPES([cpu_set_t], [have_cpu_set_t=yes], [], [[
#include <sched.h>
]])
AM_CONDITIONAL([HAVE_CPU_SET_T], [test "x$have_cpu_set_t" = xyes])
AC_CHECK_TYPES([sighandler_t], [], [], [[
#include <signal.h>
]])
AC_CHECK_DECLS([CPU_ALLOC], [], [], [[
#include <sched.h>
]])
# on Solaris, you can't mix and match standards, since we use c99
# apparently at this stage, XOPEN_SOURCE will conflict. As workaround,
# check for crypt.h and use that without XOPEN_SOURCE.
have_crypt=no
AC_CHECK_HEADERS([crypt.h])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_CRYPT_H
#include <crypt.h>
#else
#define _XOPEN_SOURCE
#include <unistd.h>
#endif
]], [[
char *c = crypt("abc","pw");
]])],[
have_libcrypt=no
have_crypt=yes
],[
UL_SET_LIBS([-lcrypt])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_CRYPT_H
#include <crypt.h>
#else
#define _XOPEN_SOURCE
#include <unistd.h>
#endif
]], [[
char *c = crypt("abc","pw");
]])],[
have_libcrypt=yes
have_crypt=yes
],[
AC_MSG_WARN([crypt() is not available])
])
UL_RESTORE_LIBS
])
AM_CONDITIONAL([HAVE_LIBCRYPT], [test "x$have_libcrypt" = xyes])
AC_ARG_WITH([selinux],
AS_HELP_STRING([--with-selinux], [compile with SELinux support]),
[], [with_selinux=no]
)
AS_IF([test "x$with_selinux" = xno], [
AM_CONDITIONAL([HAVE_SELINUX], [false])
], [
PKG_CHECK_MODULES([SELINUX], [libselinux >= 2.5], [have_selinux=yes], [have_selinux=no])
AS_CASE([$with_selinux:$have_selinux],
[yes:no], [AC_MSG_ERROR([SELinux selected but libselinux not found or too old])]
)
AS_IF([test "x$have_selinux" = xyes], [
AC_DEFINE([HAVE_LIBSELINUX], [1], [Define if SELinux is available])
UL_PKG_STATIC([SELINUX_LIBS_STATIC], [libselinux])
AM_CONDITIONAL([HAVE_SELINUX], [true])
UL_SET_LIBS([$SELINUX_LIBS])
# This function is missing in old libselinux 1.xx versions
AC_CHECK_FUNCS([security_get_initial_context])
UL_RESTORE_LIBS
])
])
AC_SUBST([SELINUX_LIBS])
AC_SUBST([SELINUX_LIBS_STATIC])
AC_ARG_WITH([audit],
AS_HELP_STRING([--with-audit], [compile with audit support]),
[], [with_audit=no]
)
AS_IF([test "x$with_audit" = xno], [
AM_CONDITIONAL([HAVE_AUDIT], [false])
], [
UL_CHECK_LIB([audit], [audit_log_user_message])
AS_CASE([$with_audit:$have_audit],
[yes:no],
[AC_MSG_ERROR([Audit selected but libaudit not found (or does not support audit_log_user_message())])]
)
])
AC_ARG_WITH([udev], AS_HELP_STRING([--without-udev], [compile without udev support]),
[], [with_udev=auto]
)
AS_IF([test "x$with_udev" = xno], [
AM_CONDITIONAL([HAVE_UDEV], [false])
], [
UL_CHECK_LIB([udev], [udev_new])
AS_CASE([$with_udev:$have_udev],
[yes:no],
[AC_MSG_ERROR([udev selected but libudev not found])]
)
])
dnl wide-char ncurses
AC_ARG_WITH([ncursesw],
AS_HELP_STRING([--without-ncursesw], [do not build with wide-char ncurses]),
[], [with_ncursesw=auto]
)
have_ncursesw=no
have_ncursesw_header=no
AS_IF([test "x$with_ncursesw" != xno], [
UL_NCURSES_CHECK([ncursesw])
AS_IF([test "x$have_ncursesw" = xyes], [
AC_CHECK_HEADERS([ncursesw/ncurses.h], [have_ncursesw_header=yes])
AC_CHECK_HEADERS([ncursesw/term.h])
# Define HAVE_NCURSES_H only if check for HAVE_NCURSESW_NCURSES_H is
# unsuccessful to avoid too many *_H permitations in config.h
AS_IF([test "x$have_ncursesw_header" = xno], [
AC_CHECK_HEADERS([ncurses.h], [have_ncursesw_header=yes])
AC_CHECK_HEADERS([term.h])
])
AS_IF([test "x$have_ncursesw_header" = xno], [have_ncursesw=no])
])
AS_IF([test "x$have_ncursesw" = xyes], [
CURSES_LIB_NAME="ncursesw"
AC_DEFINE([HAVE_LIBNCURSESW], [1], [Define if ncursesw library available])
])
])
AS_CASE([$with_ncursesw:$have_ncursesw],
[yes:no], [AC_MSG_ERROR([ncursesw selected, but library not found])])
dnl non-wide ncurses
AC_ARG_WITH([ncurses],
AS_HELP_STRING([--with-ncurses], [build with non-wide ncurses]),
[], [with_ncurses=auto]
)
have_ncurses=no
have_ncurses_header=no
AS_CASE([$with_ncurses:$build_widechar],
[yes:yes], [AC_MSG_ERROR([wide-char support enabled, but non-wide ncurses selects])])
AS_IF([test "x$have_ncursesw" = xno && test "x$with_ncurses" != xno ], [
UL_NCURSES_CHECK([ncurses])
AS_IF([test "x$have_ncurses" = xyes], [
AC_CHECK_HEADERS([ncurses/ncurses.h], [have_ncurses_header=yes])
AC_CHECK_HEADERS([ncurses/term.h])
# Define HAVE_NCURSES_H only if check for HAVE_NCURSES_NCURSES_H is
# unsuccessful to avoid too many *_H permitations in config.h
AS_IF([test "x$have_ncurses_header" = xno], [
AC_CHECK_HEADERS([ncurses.h], [have_ncurses_header=yes])
AC_CHECK_HEADERS([term.h])
])
AS_IF([test "x$have_ncurses_header" = xno], [have_ncurses=no])
])
AS_IF([test "x$have_ncurses" = xyes], [
CURSES_LIB_NAME="ncurses"
AC_DEFINE([HAVE_LIBNCURSES], [1], [Define if ncurses library available])
])
])
AS_CASE([$with_ncurses:$have_ncurses],
[yes:no], [AC_MSG_ERROR([ncurses selected, but library not found])])
AC_SUBST([NCURSES_CFLAGS])
AC_SUBST([NCURSES_LIBS])
AM_CONDITIONAL([HAVE_NCURSES], [test "x$have_ncursesw" = xyes || test "x$have_ncurses" = xyes])
AC_ARG_WITH([slang],