X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=configure.ac;h=4c4b552359c9154ad884d0b434a894030d795e48;hb=66b6b4869b3d6902e26e3e5bbeb1761d44198ce3;hp=5e837c9c3365a0ae4d12b6ad7fe8afa20139dcd4;hpb=32b8802aa5d867a0497cd6135c5f48039b0ba71c;p=tools%2Fe2fsprogs.git

diff --git a/configure.ac b/configure.ac
index 5e837c9..4c4b552 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_INIT(version.h)
-AC_PREREQ(2.54)
+AC_PREREQ(2.69)
 AC_CONFIG_AUX_DIR(config)
 AC_CONFIG_HEADERS([lib/config.h])
 AH_BOTTOM([#include <dirpaths.h>])
@@ -11,11 +11,11 @@ dnl This is to figure out the version number and the date....
 dnl
 E2FSPROGS_VERSION=`grep E2FSPROGS_VERSION ${srcdir}/version.h  \
 	| awk '{print $3}' | tr \" " " | awk '{print $1}'`
-DATE=`grep E2FSPROGS_DATE ${srcdir}/version.h | awk '{print $3}' \
-	| tr \" " "`
-E2FSPROGS_DAY=$(echo $DATE | awk -F- '{print $1}' | sed -e '/^[[1-9]]$/s/^/0/')
-MONTH=`echo $DATE | awk -F- '{print $2}'`
-YEAR=`echo $DATE | awk -F- '{print $3}'`
+E2FSPROGS_DATE=`grep E2FSPROGS_DATE ${srcdir}/version.h | awk '{print $3}' \
+	| tr \" " " | awk '{print $1}'`
+E2FSPROGS_DAY=$(echo $E2FSPROGS_DATE | awk -F- '{print $1}' | sed -e '/^[[1-9]]$/s/^/0/')
+MONTH=`echo $E2FSPROGS_DATE | awk -F- '{print $2}'`
+YEAR=`echo $E2FSPROGS_DATE | awk -F- '{print $3}'`
 
 if expr $YEAR ">" 1900 > /dev/null ; then
 	E2FSPROGS_YEAR=$YEAR
@@ -63,12 +63,13 @@ AC_SUBST(E2FSPROGS_MONTH)
 AC_SUBST(E2FSPROGS_DAY)
 AC_SUBST(E2FSPROGS_VERSION)
 AC_SUBST(E2FSPROGS_PKGVER)
+AC_SUBST(E2FSPROGS_DATE)
 dnl
 dnl Use diet libc
 dnl 
 WITH_DIET_LIBC=
 AC_ARG_WITH([diet-libc],
-[  --with-diet-libc        use diet libc],
+AS_HELP_STRING([--with-diet-libc],[use diet libc]),
 CC="diet cc -nostdinc"
 WITH_DIET_LIBC=yes
 if test -z "$LIBS"
@@ -88,15 +89,15 @@ AC_CHECK_LIB(dl, dlopen,DLOPEN_LIB=-ldl)
 AC_SUBST(DLOPEN_LIB)
 dnl
 AC_ARG_WITH([cc],
-AC_HELP_STRING([--with-cc],[no longer supported, use CC= instead]),
+AS_HELP_STRING([--with-cc],[no longer supported, use CC= instead]),
 AC_MSG_ERROR([--with-cc no longer supported; use CC= instead]))
 dnl
 AC_ARG_WITH([ccopts],
-AC_HELP_STRING([--with-ccopts],[no longer supported, use CFLAGS= instead]),
+AS_HELP_STRING([--with-ccopts],[no longer supported, use CFLAGS= instead]),
 AC_MSG_ERROR([--with-ccopts no longer supported; use CFLAGS= instead]))
 dnl
 AC_ARG_WITH([ldopts],
-AC_HELP_STRING([--with-ldopts],[no longer supported, use LDFLAGS= instead]),
+AS_HELP_STRING([--with-ldopts],[no longer supported, use LDFLAGS= instead]),
 AC_MSG_ERROR([--with-ldopts no longer supported; use LDFLAGS= instead]))
 dnl
 AC_PROG_CC
@@ -134,14 +135,14 @@ dnl
 dnl Allow separate `root_prefix' to be specified
 dnl
 AC_ARG_WITH([root-prefix],
-[  --with-root-prefix=PREFIX override prefix variable for files to be placed in the root],
+AS_HELP_STRING([--with-root-prefix=PREFIX],[override prefix variable for files to be placed in the root]),
 root_prefix=$withval,
 root_prefix=NONE)dnl
 dnl
 dnl handle --enable-maintainer-mode
 dnl
 AC_ARG_ENABLE([maintainer-mode],
-[  --enable-maintainer-mode enable makefile rules useful for maintainers],
+AS_HELP_STRING([--enable-maintainer-mode],[enable makefile rules useful for maintainers]),
 if test "$enableval" = "no"
 then
 	MAINTAINER_CMT=#
@@ -159,7 +160,7 @@ dnl
 dnl handle --enable-symlink-install
 dnl
 AC_ARG_ENABLE([symlink-install],
-[  --enable-symlink-install use symlinks when installing instead of hard links],
+AS_HELP_STRING([--enable-symlink-install],[use symlinks when installing instead of hard links]),
 if test "$enableval" = "no"
 then
 	LINK_INSTALL_FLAGS=-f
@@ -178,7 +179,7 @@ dnl handle --enable-relative-symlinks
 dnl
 relative_symlink_defined=
 AC_ARG_ENABLE([relative-symlinks],
-[  --enable-relative-symlinks use relative symlinks when installing],
+AS_HELP_STRING([--enable-relative-symlinks],[use relative symlinks when installing]),
 if test "$enableval" = "no"
 then
 	SYMLINK_RELATIVE=
@@ -210,7 +211,7 @@ dnl
 dnl handle --enable-symlink-build
 dnl
 AC_ARG_ENABLE([symlink-build],
-[  --enable-symlink-build  use symlinks while building instead of hard links],
+AS_HELP_STRING([--enable-symlink-build],[use symlinks while building instead of hard links]),
 if test "$enableval" = "no"
 then
 	LINK_BUILD_FLAGS=
@@ -228,7 +229,7 @@ dnl
 dnl handle --enable-verbose-makecmds
 dnl
 AC_ARG_ENABLE([verbose-makecmds],
-[  --enable-verbose-makecmds enable verbose make command output],
+AS_HELP_STRING([--enable-verbose-makecmds],[enable verbose make command output]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling verbose make commands])
@@ -260,7 +261,7 @@ dnl
 dnl handle --enable-elf-shlibs
 dnl
 AC_ARG_ENABLE([elf-shlibs],
-[  --enable-elf-shlibs	  select ELF shared libraries],
+AS_HELP_STRING([--enable-elf-shlibs],[select ELF shared libraries]),
 if test "$enableval" = "no"
 then
 	ELF_CMT=#
@@ -292,7 +293,7 @@ dnl
 dnl handle --enable-bsd-shlibs
 dnl
 AC_ARG_ENABLE([bsd-shlibs],
-[  --enable-bsd-shlibs	  select BSD shared libraries],
+AS_HELP_STRING([--enable-bsd-shlibs],[select BSD shared libraries]),
 if test "$enableval" = "no"
 then
 	BSDLIB_CMT=#
@@ -322,7 +323,7 @@ dnl
 dnl handle --enable-profile
 dnl
 AC_ARG_ENABLE([profile],
-[  --enable-profile	  build profiling libraries],
+AS_HELP_STRING([--enable-profile],[build profiling libraries]),
 if test "$enableval" = "no"
 then
 	PROFILE_CMT=#
@@ -345,7 +346,7 @@ dnl
 dnl handle --enable-gcov
 dnl
 AC_ARG_ENABLE([gcov],
-[  --enable-gcov	  	  build for coverage testing using gcov],
+AS_HELP_STRING([--enable-gcov],[build for coverage testing using gcov]),
 if test "$enableval" = "yes"
 then
 	CFLAGS="-g -fprofile-arcs -ftest-coverage"
@@ -361,7 +362,7 @@ CFLAGS_STLIB="${CFLAGS_STLIB:-$CFLAGS}"
 LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
 LDFLAGS_STATIC=${LDFLAGS_STATIC:-$LDFLAGS}
 AC_ARG_ENABLE([hardening],
-[  --enable-hardening	  	  build for coverage testing using gcov],
+AS_HELP_STRING([--enable-hardening],[build for coverage testing using gcov]),
 if test "$enableval" = "yes"
 then
 	HARDEN_CFLAGS="-D_FORTIFY_SOURCE=2 -fstack-protector-strong"
@@ -387,7 +388,7 @@ dnl
 dnl handle --enable-jbd-debug
 dnl
 AC_ARG_ENABLE([jbd-debug],
-[  --enable-jbd-debug  	  enable journal debugging],
+AS_HELP_STRING([--enable-jbd-debug],[enable journal debugging]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling journal debugging])
@@ -403,7 +404,7 @@ dnl
 dnl handle --enable-blkid-debug
 dnl
 AC_ARG_ENABLE([blkid-debug],
-[  --enable-blkid-debug    enable blkid debugging],
+AS_HELP_STRING([--enable-blkid-debug],[enable blkid debugging]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling blkid debugging])
@@ -419,7 +420,7 @@ dnl
 dnl handle --enable-testio-debug
 dnl
 AC_ARG_ENABLE([testio-debug],
-[  --disable-testio-debug  disable the use of the test I/O manager for debugging],
+AS_HELP_STRING([--disable-testio-debug],[disable the use of the test I/O manager for debugging]),
 AH_TEMPLATE([CONFIG_TESTIO_DEBUG],
 	[Define to 1 if the testio I/O manager should be enabled])
 if test "$enableval" = "no"
@@ -438,6 +439,27 @@ TEST_IO_CMT=
 )
 AC_SUBST(TEST_IO_CMT)
 dnl
+dnl handle --enable-developer-features
+dnl
+AC_ARG_ENABLE([developer-features],
+AS_HELP_STRING([--enable-developer-features],[enable features for use by ext4 developers]),
+AH_TEMPLATE([CONFIG_DEVELOPER_FEATURES],
+	[Define to 1 for features for use by ext4 developers])
+if test "$enableval" = "yes"
+then
+	DEV_FEATURES_CMT=
+	AC_DEFINE(CONFIG_DEVELOPER_FEATURES, 1)
+	AC_MSG_RESULT([Enabling ext4 developer features])
+else
+	AC_MSG_RESULT([Disabling ext4 developer features])
+	DEV_FEATURES_CMT="#"
+fi
+,
+AC_MSG_RESULT([Disabling ext4 developer features by default])
+DEV_FEATURES_CMT=
+)
+AC_SUBST(DEV_FEATURES_CMT)
+dnl
 dnl handle --disable-libuuid
 dnl
 PKG_PROG_PKG_CONFIG
@@ -449,7 +471,7 @@ PROFILED_LIBUUID=
 DEPPROFILED_LIBUUID=
 UUID_CMT=
 AC_ARG_ENABLE([libuuid],
-[  --enable-libuuid	  build and use private uuid library],
+AS_HELP_STRING([--enable-libuuid],[build and use private uuid library]),
 if test "$enableval" = "no"
 then
 	if test -z "$PKG_CONFIG"; then
@@ -512,7 +534,7 @@ DEPPROFILED_LIBBLKID=
 BLKID_CMT=
 AH_TEMPLATE([CONFIG_BUILD_FINDFS], [Define to 1 to compile findfs])
 AC_ARG_ENABLE([libblkid],
-[  --enable-libblkid	  build and use private blkid library],
+AS_HELP_STRING([--enable-libblkid],[build and use private blkid library]),
 if test "$enableval" = "no"
 then
 	if test -z "$PKG_CONFIG"; then
@@ -565,11 +587,29 @@ AC_SUBST(PROFILED_LIBBLKID)
 AC_SUBST(DEPPROFILED_LIBBLKID)
 AC_SUBST(BLKID_CMT)
 dnl
+dnl handle --enable-subset
+dnl
+ALL_CMT=
+SUBSET_CMT=
+AC_ARG_ENABLE([subset],
+AS_HELP_STRING([--enable-subset],[enable subset-only build]),
+if test "$enableval" = "no"
+then
+	SUBSET_CMT=#
+	AC_MSG_RESULT([Disabling subset-only build])
+else
+	ALL_CMT=#
+	AC_MSG_RESULT([Enabling subset-only-build])
+fi
+,)
+AC_SUBST(ALL_CMT)
+AC_SUBST(SUBSET_CMT)
+dnl
 dnl handle --disable-backtrace
 dnl
 AH_TEMPLATE([DISABLE_BACKTRACE], [Define to 1 to disable use of backtrace])
 AC_ARG_ENABLE([backtrace],
-[  --disable-backtrace	  disable use backtrace],
+AS_HELP_STRING([--disable-backtrace],[disable use backtrace]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling use of backtrace])
@@ -584,7 +624,7 @@ dnl
 dnl handle --enable-debugfs
 dnl
 AC_ARG_ENABLE([debugfs],
-[  --disable-debugfs   	  disable support of debugfs program],
+AS_HELP_STRING([--disable-debugfs],[disable support of debugfs program]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling debugfs support])
@@ -602,7 +642,7 @@ dnl
 dnl handle --enable-imager
 dnl
 AC_ARG_ENABLE([imager],
-[  --disable-imager   	  disable support of e2image program],
+AS_HELP_STRING([--disable-imager],[disable support of e2image program]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling e2image support])
@@ -620,7 +660,7 @@ dnl
 dnl handle --enable-resizer
 dnl
 AC_ARG_ENABLE([resizer],
-[  --disable-resizer   	  disable support of e2resize program],
+AS_HELP_STRING([--disable-resizer],[disable support of e2resize program]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling e2resize support])
@@ -638,7 +678,7 @@ dnl
 dnl handle --enable-defrag
 dnl
 AC_ARG_ENABLE([defrag],
-[  --disable-defrag   	  disable support of e4defrag program],
+AS_HELP_STRING([--disable-defrag],[disable support of e4defrag program]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling e4defrag support])
@@ -662,7 +702,7 @@ dnl
 dnl See whether to install the `fsck' wrapper program (that calls e2fsck)
 dnl
 AC_ARG_ENABLE([fsck],
-[  --enable-fsck           build fsck wrapper program],
+AS_HELP_STRING([--enable-fsck],[build fsck wrapper program]),
 [if test "$enableval" = "no"
 then
 	FSCK_PROG='' FSCK_MAN=''
@@ -688,7 +728,7 @@ dnl
 dnl See whether to install the `e2initrd-helper' program
 dnl
 AC_ARG_ENABLE([e2initrd-helper],
-[  --enable-e2initrd-helper build e2initrd-helper program],
+AS_HELP_STRING([--enable-e2initrd-helper],[build e2initrd-helper program]),
 [if test "$enableval" = "no"
 then
 	E2INITRD_PROG='' E2INITRD_MAN=''
@@ -707,7 +747,7 @@ dnl
 dnl
 dnl
 AC_ARG_ENABLE([tls],
-[  --disable-tls           disable use of thread local support],
+AS_HELP_STRING([--disable-tls],[disable use of thread local support]),
 [if test "$enableval" = "no"
 then
 	try_tls=""
@@ -733,9 +773,33 @@ fi
 dnl
 dnl
 dnl
+AC_ARG_WITH([pthread],
+AS_HELP_STRING([--without-pthread],[disable use of pthread support]),
+[if test "$withval" = "no"
+then
+	try_pthread=""
+	AC_MSG_RESULT([Disabling pthread support])
+else
+	try_pthread="yes"
+	AC_MSG_RESULT([Testing for pthread support])
+fi]
+,
+try_pthread="yes"
+AC_MSG_RESULT([Try testing for pthread support by default])
+)
+if test "$try_pthread" = "yes"
+then
+AX_PTHREAD
+else
+test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
+AC_SUBST([PTHREAD_CC])
+fi
+dnl
+dnl
+dnl
 AH_TEMPLATE([USE_UUIDD], [Define to 1 to build uuidd])
 AC_ARG_ENABLE([uuidd],
-[  --disable-uuidd         disable building the uuid daemon],
+AS_HELP_STRING([--disable-uuidd],[disable building the uuid daemon]),
 [if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Not building uuidd])
@@ -762,7 +826,7 @@ dnl handle --disable-mmp
 dnl
 AH_TEMPLATE([CONFIG_MMP], [Define to 1 to enable mmp support])
 AC_ARG_ENABLE([mmp],
-[  --disable-mmp           disable support mmp, Multi Mount Protection],
+AS_HELP_STRING([--disable-mmp],[disable support mmp, Multi Mount Protection]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling mmp support])
@@ -779,7 +843,7 @@ dnl handle --disable-tdb
 dnl
 AH_TEMPLATE([CONFIG_TDB], [Define to 1 to enable tdb support])
 AC_ARG_ENABLE([tdb],
-[  --disable-tdb           disable tdb support],
+AS_HELP_STRING([--disable-tdb],[disable tdb support]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling tdb support])
@@ -804,7 +868,7 @@ dnl handle --disable-bmap-stats
 dnl
 AH_TEMPLATE([ENABLE_BMAP_STATS], [Define to 1 to enable bitmap stats.])
 AC_ARG_ENABLE([bmap-stats],
-[  --disable-bmap-stats    disable collection of bitmap stats.],
+AS_HELP_STRING([--disable-bmap-stats],[disable collection of bitmap stats]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling bitmap statistics support])
@@ -821,7 +885,7 @@ dnl handle --enable-bmap-stats-ops
 dnl
 AH_TEMPLATE([ENABLE_BMAP_STATS_OPS], [Define to 1 to enable bitmap stats.])
 AC_ARG_ENABLE([bmap-stats-ops],
-[  --enable-bmap-stats-ops enable collection of additional bitmap stats],
+AS_HELP_STRING([--enable-bmap-stats-ops],[enable collection of additional bitmap stats]),
 if test "$enableval" = "no"
 then
 	AC_MSG_RESULT([Disabling additional bitmap statistics])
@@ -854,7 +918,7 @@ AC_SUBST(GETTEXT_PACKAGE)
 AC_SUBST(PACKAGE)
 AC_SUBST(VERSION)
 
-AM_GNU_GETTEXT
+AM_GNU_GETTEXT([external])
 dnl
 dnl End of configuration options
 dnl
@@ -862,6 +926,12 @@ AC_SUBST(BINARY_TYPE)
 AC_PROG_MAKE_SET
 CHECK_GNU_MAKE
 AC_PATH_PROG(LN, ln, ln)
+AC_PROG_MKDIR_P
+dnl
+dnl @mkdir_p@ is used by po's Makefile.in
+dnl
+mkdir_p=$MKDIR_P
+AC_SUBST(mkdir_p)
 AC_PROG_LN_S
 AC_PATH_PROG(MV, mv, mv)
 AC_PATH_PROG(CP, cp, cp)
@@ -905,6 +975,7 @@ AC_CHECK_HEADERS(m4_flatten([
 	malloc.h
 	mntent.h
 	paths.h
+	pthread.h
 	semaphore.h
 	setjmp.h
 	signal.h
@@ -940,7 +1011,6 @@ AC_CHECK_HEADERS(m4_flatten([
 	sys/sockio.h
 	sys/stat.h
 	sys/syscall.h
-	sys/sysctl.h
 	sys/sysmacros.h
 	sys/time.h
 	sys/types.h
@@ -1094,11 +1164,19 @@ AC_CHECK_MEMBER(struct sockaddr.sa_len,
 	[#include <sys/types.h>
 	 #include <sys/socket.h>])
 dnl
-dnl This will add -lblkid to the AC_CHECK_FUNCS search if we are using
-dnl the system-provided blkid library
+dnl If we are using the system-provided blkid library, check for
+dnl the functions added after migrating that library to util-linux
 dnl
 if test -n "$BLKID_CMT"; then
-  AC_SEARCH_LIBS([blkid_probe_all], [blkid])
+  AC_CHECK_LIB(blkid, blkid_probe_get_topology,
+		      AC_DEFINE(HAVE_BLKID_PROBE_GET_TOPOLOGY, 1,
+				[Define to 1 if blkid has blkid_probe_get_topology]))
+  AC_CHECK_LIB(blkid, blkid_topology_get_dax,
+		      AC_DEFINE(HAVE_BLKID_TOPOLOGY_GET_DAX, 1,
+				[Define to 1 if blkid has blkid_topology_get_dax]))
+  AC_CHECK_LIB(blkid, blkid_probe_enable_partitions,
+		      AC_DEFINE(HAVE_BLKID_PROBE_ENABLE_PARTITIONS, 1,
+				[Define to 1 if blkid has blkid_probe_enable_partitions]))
 fi
 dnl
 if test -n "$DLOPEN_LIB" ; then
@@ -1108,8 +1186,6 @@ AC_CHECK_FUNCS(m4_flatten([
 	__secure_getenv
 	add_key
 	backtrace
-	blkid_probe_get_topology
-	blkid_probe_enable_partitions
 	chflags
 	dlopen
 	fadvise64
@@ -1198,7 +1274,7 @@ FUSE_CMT=
 FUSE_LIB=
 dnl osxfuse.dylib supersedes fuselib.dylib
 AC_ARG_ENABLE([fuse2fs],
-[  --disable-fuse2fs	  do not build fuse2fs],
+AS_HELP_STRING([--disable-fuse2fs],[do not build fuse2fs]),
 if test "$enableval" = "no"
 then
 	FUSE_CMT="#"
@@ -1295,6 +1371,131 @@ linux*)
 	;;
 esac
 dnl
+dnl Check the available mount options
+dnl
+AX_CHECK_MOUNT_OPT(nosuid)
+AX_CHECK_MOUNT_OPT(nodev)
+dnl Enable LTO for all packages
+dnl
+AC_ARG_ENABLE([lto],
+AS_HELP_STRING([--enable-lto],[enable link time optimization]),,
+enable_lto=no)
+if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
+	AC_MSG_CHECKING([if C compiler supports LTO])
+	OLD_CFLAGS="$CFLAGS"
+	OLD_LDFLAGS="$LDFLAGS"
+	LTO_FLAGS="-g -flto -ffat-lto-objects"
+	CFLAGS="$CFLAGS $LTO_FLAGS"
+	LDFLAGS="$LDFLAGS $LTO_FLAGS"
+	AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
+		[AC_MSG_RESULT([yes])]
+		[lto_cflags=$LTO_FLAGS]
+		[lto_ldflags=$LTO_FLAGS]
+		[AC_PATH_PROG(gcc_ar, gcc-ar,,)]
+		[AC_PATH_PROG(gcc_ranlib, gcc-ranlib,,)],
+		[AC_MSG_RESULT([no])])
+	if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then
+		have_lto=yes
+		AR="${gcc_ar}"
+		RANLIB="${gcc_ranlib}"
+	fi
+	CFLAGS="${OLD_CFLAGS}"
+	LDFLAGS="${OLD_LDFLAGS}"
+	AC_SUBST(have_lto)
+	AC_SUBST(lto_cflags)
+	AC_SUBST(lto_ldflags)
+fi
+if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
+	AC_MSG_ERROR([LTO not supported by compiler.])
+fi
+dnl
+dnl Enable UBSAN for all packages
+dnl
+AC_ARG_ENABLE([ubsan],
+AS_HELP_STRING([--enable-ubsan],[enable undefined behavior sanitizer]),,
+enable_ubsan=no)
+if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
+	AC_MSG_CHECKING([if C compiler supports UBSAN])
+	OLD_CFLAGS="$CFLAGS"
+	OLD_LDFLAGS="$LDFLAGS"
+	UBSAN_FLAGS="-fsanitize=undefined"
+	CFLAGS="$CFLAGS $UBSAN_FLAGS"
+	LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
+	AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
+		[AC_MSG_RESULT([yes])]
+		[ubsan_cflags=$UBSAN_FLAGS]
+		[ubsan_ldflags=$UBSAN_FLAGS]
+		[have_ubsan=yes],
+		[AC_MSG_RESULT([no])])
+	CFLAGS="${OLD_CFLAGS}"
+	LDFLAGS="${OLD_LDFLAGS}"
+	AC_SUBST(have_ubsan)
+	AC_SUBST(ubsan_cflags)
+	AC_SUBST(ubsan_ldflags)
+fi
+if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
+	AC_MSG_ERROR([UBSAN not supported by compiler.])
+fi
+dnl
+dnl Enable ADDRSAN for all packages
+dnl
+AC_ARG_ENABLE([addrsan],
+AS_HELP_STRING([--enable-addrsan],[enable address sanitizer]),,
+enable_addrsan=no)
+if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
+	AC_MSG_CHECKING([if C compiler supports ADDRSAN])
+	OLD_CFLAGS="$CFLAGS"
+	OLD_LDFLAGS="$LDFLAGS"
+	ADDRSAN_FLAGS="-fsanitize=address"
+	CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
+	LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
+	AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
+		[AC_MSG_RESULT([yes])]
+		[addrsan_cflags=$ADDRSAN_FLAGS]
+		[addrsan_ldflags=$ADDRSAN_FLAGS]
+		[have_addrsan=yes],
+		[AC_MSG_RESULT([no])])
+	CFLAGS="${OLD_CFLAGS}"
+	LDFLAGS="${OLD_LDFLAGS}"
+	AC_SUBST(have_addrsan)
+	AC_SUBST(addrsan_cflags)
+	AC_SUBST(addrsan_ldflags)
+fi
+if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
+	AC_MSG_ERROR([ADDRSAN not supported by compiler.])
+fi
+dnl
+dnl Enable THREADSAN for all packages
+dnl
+AC_ARG_ENABLE([threadsan],
+AS_HELP_STRING([--enable-threadsan],[enable thread sanitizer]),,
+enable_threadsan=no)
+if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
+	AC_MSG_CHECKING([if C compiler supports THREADSAN])
+	OLD_CFLAGS="$CFLAGS"
+	OLD_LDFLAGS="$LDFLAGS"
+	THREADSAN_FLAGS="-fsanitize=thread"
+	CFLAGS="$CFLAGS $THREADSAN_FLAGS"
+	LDFLAGS="$LDFLAGS $THREADSAN_FLAGS"
+	AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
+		[AC_MSG_RESULT([yes])]
+		[threadsan_cflags=$THREADSAN_FLAGS]
+		[threadsan_ldflags=$THREADSAN_FLAGS]
+		[have_threadsan=yes],
+		[AC_MSG_RESULT([no])])
+	CFLAGS="${OLD_CFLAGS}"
+	LDFLAGS="${OLD_LDFLAGS}"
+	AC_SUBST(have_threadsan)
+	AC_SUBST(threadsan_cflags)
+	AC_SUBST(threadsan_ldflags)
+fi
+if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
+	AC_MSG_ERROR([THREADSAN not supported by compiler.])
+fi
+if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
+	AC_MSG_WARN([ADDRSAN and THREADSAN are not known to work together.])
+fi
+dnl
 dnl OS-specific uncomment control
 dnl
 LINUX_CMT="#"
@@ -1313,6 +1514,11 @@ AC_SUBST(LINUX_CMT)
 AC_SUBST(CYGWIN_CMT)
 AC_SUBST(UNIX_CMT)
 dnl
+dnl e2scrub only builds on linux
+dnl
+E2SCRUB_CMT="$LINUX_CMT"
+AC_SUBST(E2SCRUB_CMT)
+dnl
 dnl Linux and Hurd places root files in the / by default
 dnl
 case "$host_os" in
@@ -1379,7 +1585,7 @@ dnl
 dnl Allow specification of the multiarch arch
 dnl
 AC_ARG_WITH([multiarch],
-[  --with-multiarch=ARCH specify the multiarch triplet],
+AS_HELP_STRING([--with-multiarch=ARCH],[specify the multiarch triplet]),
 if test "$withval" = "lib64"; then
     libdir=/usr/lib64
     root_libdir=/lib64
@@ -1387,7 +1593,8 @@ else
     libdir=$libdir/$withval
     root_libdir=$root_libdir/$withval
 fi
-)dnl
+)
+dnl
 dnl
 dnl See if -static works.  This could fail if the linker does not
 dnl support -static, or if required external libraries are not available
@@ -1451,7 +1658,6 @@ if test -n "$WITH_DIET_LIBC" ; then
 	INCLUDES="$INCLUDES -D_REENTRANT"
 fi
 AC_SUBST(INCLUDES)
-AM_MKINSTALLDIRS
 dnl
 dnl Build CFLAGS
 dnl
@@ -1470,6 +1676,116 @@ LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
 AC_SUBST(CFLAGS_SHLIB)
 AC_SUBST(CFLAGS_STLIB)
 AC_SUBST(LDFLAGS_SHLIB)
+
+dnl
+dnl Where do udev rules go?
+dnl
+AC_ARG_WITH([udev_rules_dir],
+  [AS_HELP_STRING([--with-udev-rules-dir@<:@=DIR@:>@],
+	[Install udev rules into DIR.])],
+  [],
+  [with_udev_rules_dir=yes])
+AS_IF([test "x${with_udev_rules_dir}" != "xno"],
+  [
+	AS_IF([test "x${with_udev_rules_dir}" = "xyes"],
+	  [
+		PKG_CHECK_MODULES([udev], [udev],
+		  [
+			with_udev_rules_dir="$($PKG_CONFIG --variable=udevdir udev)/rules.d"
+		  ], [
+			with_udev_rules_dir=""
+		  ])
+	  ])
+	AC_MSG_CHECKING([for udev rules dir])
+	pkg_udev_rules_dir="${with_udev_rules_dir}"
+	AS_IF([test -n "${pkg_udev_rules_dir}"],
+	  [
+		AC_MSG_RESULT(${pkg_udev_rules_dir})
+		have_udev="yes"
+	  ],
+	  [
+		AC_MSG_RESULT(no)
+		have_udev="no"
+	  ])
+  ],
+  [
+	have_udev="disabled"
+  ])
+AC_SUBST(have_udev)
+AC_SUBST(pkg_udev_rules_dir)
+
+dnl
+dnl Where do cron jobs go?
+dnl
+AC_ARG_WITH([crond_dir],
+  [AS_HELP_STRING([--with-crond-dir@<:@=DIR@:>@],
+	[Install system crontabs into DIR.])],
+  [],
+  [with_crond_dir=yes])
+AS_IF([test "x${with_crond_dir}" != "xno"],
+  [
+	AS_IF([test "x${with_crond_dir}" = "xyes"],
+	  [
+		AS_IF([test -d "/etc/cron.d"],
+		  [with_crond_dir="/etc/cron.d"],
+		  [have_crond="no"; with_crond_dir=""])
+	  ])
+	AC_MSG_CHECKING([for system crontab dir])
+	crond_dir="${with_crond_dir}"
+	AS_IF([test -n "${crond_dir}"],
+	  [
+		AC_MSG_RESULT(${crond_dir})
+		have_crond="yes"
+	  ],
+	  [
+		AC_MSG_RESULT(no)
+		have_crond="no"
+	  ])
+  ],
+  [
+	have_crond="disabled"
+  ])
+AC_SUBST(have_crond)
+AC_SUBST(crond_dir)
+
+dnl
+dnl Where do systemd services go?
+dnl
+AC_ARG_WITH([systemd_unit_dir],
+  [AS_HELP_STRING([--with-systemd-unit-dir@<:@=DIR@:>@],
+	[Install systemd system units into DIR.])],
+  [],
+  [with_systemd_unit_dir=yes])
+AS_IF([test "x${with_systemd_unit_dir}" != "xno"],
+  [
+	AS_IF([test "x${with_systemd_unit_dir}" = "xyes"],
+	  [
+		PKG_CHECK_MODULES([systemd], [systemd],
+		  [
+			with_systemd_unit_dir="$($PKG_CONFIG --variable=systemdsystemunitdir systemd)"
+		  ], [
+			with_systemd_unit_dir=""
+		  ])
+		m4_pattern_allow([^PKG_(MAJOR|MINOR|BUILD|REVISION)$])
+	  ])
+	AC_MSG_CHECKING([for systemd system unit dir])
+	systemd_system_unit_dir="${with_systemd_unit_dir}"
+	AS_IF([test -n "${systemd_system_unit_dir}"],
+	  [
+		AC_MSG_RESULT(${systemd_system_unit_dir})
+		have_systemd="yes"
+	  ],
+	  [
+		AC_MSG_RESULT(no)
+		have_systemd="no"
+	  ])
+  ],
+  [
+	have_systemd="disabled"
+  ])
+AC_SUBST(have_systemd)
+AC_SUBST(systemd_system_unit_dir)
+
 dnl
 dnl Make our output files, being sure that we create the some miscellaneous 
 dnl directories
@@ -1486,7 +1802,7 @@ if test -z "$BLKID_CMT" ; then
 	blkid_out_list="lib/blkid/Makefile lib/blkid/blkid.pc \
 		lib/blkid/blkid_types.h"
 fi
-for i in MCONFIG Makefile e2fsprogs.spec \
+for i in MCONFIG Makefile \
 	util/Makefile util/subst.conf util/gen-tarball util/install-symlink \
 	lib/et/Makefile lib/ss/Makefile lib/e2p/Makefile \
 	lib/ext2fs/Makefile lib/ext2fs/ext2_types.h \
@@ -1494,8 +1810,7 @@ for i in MCONFIG Makefile e2fsprogs.spec \
 	lib/ss/ss.pc lib/et/com_err.pc lib/e2p/e2p.pc lib/ext2fs/ext2fs.pc \
 	misc/Makefile ext2ed/Makefile e2fsck/Makefile \
 	debugfs/Makefile tests/Makefile tests/progs/Makefile \
-	resize/Makefile doc/Makefile intl/Makefile \
-	intl/libgnuintl.h po/Makefile.in ; do
+	resize/Makefile doc/Makefile po/Makefile.in scrub/Makefile; do
 	if test -d `dirname ${srcdir}/$i` ; then
 		outlist="$outlist $i"
 	fi