xfsprogs: document environment variables

[thirdparty/xfsprogs-dev.git] / configure.ac

AC_INIT([xfsprogs], [4.19.0-rc0], [linux-xfs@vger.kernel.org])
AC_PREREQ(2.50)
AC_CONFIG_AUX_DIR([.])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([include/libxfs.h])
AC_CONFIG_HEADER(include/platform_defs.h)
AC_PREFIX_DEFAULT(/usr)

AC_PROG_INSTALL
AC_PROG_LIBTOOL

AC_PROG_CC
AC_ARG_VAR(BUILD_CC, [C compiler for build tools])
if test "${BUILD_CC+set}" != "set"; then
  if test $cross_compiling = no; then
    BUILD_CC="$CC"
  else
    AC_CHECK_PROGS(BUILD_CC, gcc cc)
  fi
fi
AC_ARG_VAR(BUILD_CFLAGS, [C compiler flags for build tools])
if test "${BUILD_CFLAGS+set}" != "set"; then
  if test $cross_compiling = no; then
    BUILD_CFLAGS="$CFLAGS"
  else
    BUILD_CFLAGS="-g -O2"
  fi
fi

AC_ARG_ENABLE(shared,
[ --enable-shared=[yes/no] Enable use of shared libraries [default=yes]],,
	enable_shared=yes)
AC_SUBST(enable_shared)

AC_ARG_ENABLE(gettext,
[ --enable-gettext=[yes/no] Enable alternate language support [default=yes]],,
	enable_gettext=yes)
AC_SUBST(enable_gettext)

AC_ARG_ENABLE(blkid,
[ --enable-blkid=[yes/no] Enable use of block device id library [default=yes]],,
	enable_blkid=yes)
AC_SUBST(enable_blkid)

AC_ARG_ENABLE(readline,
[ --enable-readline=[yes/no] Enable readline command editing [default=no]],
	test $enable_readline = yes && libreadline="-lreadline",
	enable_readline=no)
AC_SUBST(libreadline)
AC_SUBST(enable_readline)

AC_ARG_ENABLE(editline,
[ --enable-editline=[yes/no] Enable editline command editing [default=no]],
	test $enable_editline = yes && libeditline="-ledit",
	enable_editline=no)
AC_SUBST(libeditline)
AC_SUBST(enable_editline)

AC_ARG_ENABLE(termcap,
[ --enable-termcap=[yes/no] Enable terminal capabilities library [default=no]],
	test $enable_termcap = yes && libtermcap="-ltermcap",)
AC_SUBST(libtermcap)


AC_ARG_ENABLE(lib64,
[ --enable-lib64=[yes/no] Enable lib64 support [default=yes]],,
	enable_lib64=yes)
AC_SUBST(enable_lib64)

AC_ARG_ENABLE(librt,
[ --enable-librt=[yes/no] Enable librt support [default=yes]],,
	enable_librt=yes)
AC_SUBST(enable_librt)

# Enable UBSAN; set enable_ubsan=probe below to enable autoprobe.
AC_ARG_ENABLE(ubsan,
[ --enable-ubsan=[yes/no] Enable Undefined Behavior Sanitizer (UBSAN) [default=no]],,
	enable_ubsan=no)
AC_SUBST(enable_ubsan)

# Enable ADDRSAN; set enable_addrsan=probe below to enable autoprobe.
AC_ARG_ENABLE(addrsan,
[ --enable-addrsan=[yes/no] Enable Address Sanitizer (ADDRSAN) [default=no]],,
	enable_addrsan=no)
AC_SUBST(enable_addrsan)

# Enable THREADSAN; set enable_threadsan=probe to enable autoprobe.
AC_ARG_ENABLE(threadsan,
[ --enable-threadsan=[yes/no] Enable Thread Sanitizer (THREADSAN) [default=no]],,
	enable_threadsan=no)
AC_SUBST(enable_threadsan)

AC_ARG_ENABLE(lto,
[ --enable-lto=[yes/no]      Enable link time optimization (LTO) [default=probe]],,
	enable_lto=probe)
AC_SUBST(enable_lto)

# Enable libicu for xfs_scrubbing of malicious unicode sequences in names
AC_ARG_ENABLE(libicu,
[ --enable-libicu=[yes/no]   Enable Unicode name scanning (libicu) [default=probe]],,
	enable_libicu=probe)

#
# If the user specified a libdir ending in lib64 do not append another
# 64 to the library names.
#
base_libdir=`basename "$libdir"`
case $base_libdir in
lib64)
  enable_lib64=no
esac

#
# Some important tools should be installed into the root partitions.
#
# Check whether exec_prefix=/usr: and install them to /sbin in that
# case.  If the user choses a different prefix assume he just wants
# a local install for testing and not a system install.
#
case $exec_prefix:$prefix in
NONE:NONE | NONE:/usr | /usr:*)
  root_sbindir='/sbin'
  root_libdir="/${base_libdir}"
  ;;
*)
  root_sbindir="${sbindir}"
  root_libdir="${libdir}"
  ;;
esac

AC_SUBST([root_sbindir])
AC_SUBST([root_libdir])

# Find localized files.  Don't descend into any "dot directories"
# (like .git or .pc from quilt).  Strangely, the "-print" argument
# to "find" is required, to avoid including such directories in the
# list.
LOCALIZED_FILES=""
for lfile in `find ${srcdir} -path './.??*' -prune -o -name '*.c' -type f -print || exit 1`; do
    LOCALIZED_FILES="$LOCALIZED_FILES \$(TOPDIR)/$lfile"
done
AC_SUBST(LOCALIZED_FILES)

AC_PACKAGE_GLOBALS(xfsprogs)
AC_PACKAGE_UTILITIES(xfsprogs)
AC_MULTILIB($enable_lib64)
AC_RT($enable_librt)

AC_PACKAGE_NEED_UUID_H
AC_PACKAGE_NEED_UUIDCOMPARE

AC_PACKAGE_NEED_PTHREAD_H
AC_PACKAGE_NEED_PTHREADMUTEXINIT

AC_HAVE_FADVISE
AC_HAVE_MADVISE
AC_HAVE_MINCORE
AC_HAVE_SENDFILE
AC_HAVE_GETMNTENT
AC_HAVE_FALLOCATE
AC_HAVE_FIEMAP
AC_HAVE_PWRITEV2
AC_HAVE_PREADV
AC_HAVE_COPY_FILE_RANGE
AC_HAVE_SYNC_FILE_RANGE
AC_HAVE_SYNCFS
AC_HAVE_MNTENT
AC_HAVE_FLS
AC_HAVE_READDIR
AC_HAVE_FSETXATTR
AC_HAVE_MREMAP
AC_NEED_INTERNAL_FSXATTR
AC_HAVE_GETFSMAP
AC_HAVE_STATFS_FLAGS
AC_HAVE_MAP_SYNC
AC_HAVE_DEVMAPPER
AC_HAVE_MALLINFO
AC_PACKAGE_WANT_ATTRIBUTES_H
AC_HAVE_LIBATTR
if test "$enable_libicu" = "yes" || test "$enable_libicu" = "probe"; then
	AC_HAVE_LIBICU
fi
if test "$enable_libicu" = "yes" && test "$have_libicu" != "yes"; then
        AC_MSG_ERROR([libicu not found.])
fi
AC_HAVE_OPENAT
AC_HAVE_FSTATAT
AC_HAVE_SG_IO
AC_HAVE_HDIO_GETGEO
AC_CONFIG_SYSTEMD_SYSTEM_UNIT_DIR
AC_CONFIG_CROND_DIR

if test "$enable_blkid" = yes; then
AC_HAVE_BLKID_TOPO
fi

if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
        AC_PACKAGE_CHECK_UBSAN
fi
if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
        AC_MSG_ERROR([UBSAN not supported by compiler.])
fi

if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
        AC_PACKAGE_CHECK_ADDRSAN
fi
if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
        AC_MSG_ERROR([ADDRSAN not supported by compiler.])
fi

if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
        AC_PACKAGE_CHECK_THREADSAN
fi
if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
        AC_MSG_ERROR([THREADSAN not supported by compiler.])
fi

if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
        AC_MSG_WARN([ADDRSAN and THREADSAN are not known to work together.])
fi

if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
	AC_PACKAGE_CHECK_LTO
fi
if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
	AC_MSG_ERROR([LTO not supported by compiler.])
fi

AC_PACKAGE_CHECK_RETPOLINE
AC_CHECK_SIZEOF([long])
AC_CHECK_SIZEOF([char *])
AC_TYPE_UMODE_T
AC_MANUAL_FORMAT

AC_CONFIG_FILES([include/builddefs])
AC_OUTPUT