AC_INIT([btrfs-progs], m4_flatten(m4_include([VERSION])), [linux-btrfs@vger.kernel.org],, [http://btrfs.wiki.kernel.org]) if test "x$PACKAGE_URL" = "x"; then AC_DEFINE([PACKAGE_URL], ["http://btrfs.wiki.kernel.org"], [URL]) fi dnl Package version BTRFS_VERSION_PLAIN=`cat VERSION` BTRFS_VERSION_PLAIN="${BTRFS_VERSION_PLAIN#v*}" BTRFS_VERSION_MAJOR=`echo "${BTRFS_VERSION_PLAIN#v*}" | awk -F. '{print $1}'` BTRFS_VERSION_MINOR=`echo "${BTRFS_VERSION_PLAIN#v*}" | awk -F. '{print $2}'` BTRFS_VERSION_PATCHLEVEL=`echo "${BTRFS_VERSION_PLAIN#v*}" | awk -F. '{print $3}'` dnl libbtrfs .so version LIBBTRFS_MAJOR=0 LIBBTRFS_MINOR=1 LIBBTRFS_PATCHLEVEL=2 dnl libbtrfsutil .so version BTRFS_UTIL_VERSION_MAJOR=`sed -rn 's/^\#define BTRFS_UTIL_VERSION_MAJOR ([0-9])+$/\1/p' libbtrfsutil/btrfsutil.h` BTRFS_UTIL_VERSION_MINOR=`sed -rn 's/^\#define BTRFS_UTIL_VERSION_MINOR ([0-9])+$/\1/p' libbtrfsutil/btrfsutil.h` BTRFS_UTIL_VERSION_PATCH=`sed -rn 's/^\#define BTRFS_UTIL_VERSION_PATCH ([0-9])+$/\1/p' libbtrfsutil/btrfsutil.h` CFLAGS=${CFLAGS:-"-g -O1 -Wall -D_FORTIFY_SOURCE=2"} AC_SUBST([CFLAGS]) AC_PREREQ([2.60]) AC_CONFIG_AUX_DIR([config]) dnl AC_USE_SYSTEM_EXTENSIONS must be called before any macros that run dnl the compiler (like AC_PROG_LIBTOOL) to avoid autoconf errors. AC_USE_SYSTEM_EXTENSIONS AC_CONFIG_SRCDIR([btrfs.c]) AC_PREFIX_DEFAULT([/usr/local]) AC_PROG_CC BTRFS_DETECT_CSTD AC_CANONICAL_HOST AC_C_CONST AC_C_VOLATILE AC_C_BIGENDIAN AC_SYS_LARGEFILE AC_PROG_INSTALL AC_PROG_LN_S AC_CHECK_TOOL([AR], [ar]) AC_PATH_PROG([RM], [rm], [rm]) AC_PATH_PROG([RMDIR], [rmdir], [rmdir]) AC_CHECK_FUNCS([openat], [], [AC_MSG_ERROR([cannot find openat() function])]) AC_CHECK_FUNCS([reallocarray]) AC_CHECK_FUNCS([clock_gettime]) AX_GCC_BUILTIN([__builtin_add_overflow]) AX_GCC_BUILTIN([__builtin_sub_overflow]) AX_GCC_BUILTIN([__builtin_mul_overflow]) AC_CHECK_HEADERS([linux/perf_event.h]) AC_CHECK_HEADERS([linux/hw_breakpoint.h]) AC_CHECK_HEADERS([linux/fsverity.h]) if grep -q 'HAVE_LINUX_FSVERITY_H.*1' confdefs.h; then have_fsverity='yes' else have_fsverity='no' fi m4_ifndef([PKG_PROG_PKG_CONFIG], [m4_fatal([Could not locate the pkg-config autoconf macros. These are usually located in /usr/share/aclocal/pkg.m4. If your macros are in a different location, try setting the environment variable AL_OPTS="-I/other/macro/dir" before running ./autogen.sh or autoreconf again.])]) PKG_PROG_PKG_CONFIG dnl dnl Calls pkg-config --static dnl AC_DEFUN([PKG_STATIC], [ if AC_RUN_LOG([${PKG_CONFIG} --exists --print-errors "$2"]); then $1=`${PKG_CONFIG} --libs --static "$2"` AC_SUBST([$1]) else AC_MSG_ERROR([pkg-config description of $2, needed for static build, is not available]) fi ]) AC_ARG_ENABLE([backtrace], AS_HELP_STRING([--disable-backtrace], [disable btrfs backtrace]), [], [enable_backtrace=yes] ) AS_IF([test "x$enable_backtrace" = xno], [ AC_DEFINE([BTRFS_DISABLE_BACKTRACE], [1], [disable backtrace stuff in kerncompat.h ]) ]) if test "x$enable_backtrace" = xyes; then AC_CHECK_HEADERS([execinfo.h]) AC_CHECK_FUNCS([backtrace backtrace_symbols_fd], [], AC_MSG_ERROR([standard library does not have backtrace support])) fi AC_ARG_ENABLE([documentation], AS_HELP_STRING([--disable-documentation], [do not build documentation]), [], [enable_documentation=yes] ) AS_IF([test "x$enable_documentation" = xyes], [DISABLE_DOCUMENTATION=0], [DISABLE_DOCUMENTATION=1]) AC_SUBST([DISABLE_DOCUMENTATION]) dnl detect tools to build documentation DOC_TOOL="none" if test "x$enable_documentation" = xyes; then DOC_TOOL='sphinx' AC_PATH_PROG([SPHINX], [sphinx-build]) AC_PROG_SED if test -z "$SPHINX"; then AC_MSG_ERROR([cannot find sphinx-build, cannot build documentation]) fi fi AC_SUBST([DOC_TOOL]) AC_ARG_ENABLE([programs], AS_HELP_STRING([--disable-programs], [do not build utility programs]), [], [enable_programs=yes] ) AS_IF([test "x$enable_programs" = xyes], [BUILD_PROGRAMS=1], [BUILD_PROGRAMS=0]) AC_SUBST([BUILD_PROGRAMS]) AC_ARG_ENABLE([shared], AS_HELP_STRING([--disable-shared], [do not build shared libraries]), [], [enable_shared=yes] ) AS_IF([test "x$enable_shared" = xyes], [BUILD_SHARED_LIBRARIES=1], [BUILD_SHARED_LIBRARIES=0]) AC_SUBST([BUILD_SHARED_LIBRARIES]) AC_ARG_ENABLE([static], AS_HELP_STRING([--disable-static], [do not build static libraries]), [], [enable_static=yes] ) AS_IF([test "x$enable_static" = xyes], [BUILD_STATIC_LIBRARIES=1], [BUILD_STATIC_LIBRARIES=0]) AC_SUBST([BUILD_STATIC_LIBRARIES]) AC_ARG_ENABLE([convert], AS_HELP_STRING([--disable-convert], [do not build btrfs-convert]), [], [enable_convert=$enable_programs] ) AS_IF([test "x$enable_convert" = xyes], [DISABLE_BTRFSCONVERT=0], [DISABLE_BTRFSCONVERT=1]) AC_SUBST([DISABLE_BTRFSCONVERT]) AC_ARG_WITH([convert], AS_HELP_STRING([[[]--with-convert[[=auto]]]], [built-in filesystems for convert (default: auto) supported (comma separated list): ext2,reiserfs]), [], [with_convert=auto] ) if test "$with_convert" = "yes"; then with_convert=auto fi if test "$with_convert" = "no"; then with_convert= fi convertfs= BTRFSCONVERT_EXT2=0 BTRFSCONVERT_REISERFS=0 if test "x$enable_convert" = xyes; then if test "x$with_convert" = "xauto" || echo "$with_convert" | grep -q "ext2"; then PKG_CHECK_MODULES(EXT2FS, [ext2fs]) PKG_CHECK_MODULES(COM_ERR, [com_err]) convertfs="${convertfs:+$convertfs,}ext2" BTRFSCONVERT_EXT2=1 fi if test "x$with_convert" = "xauto"; then PKG_CHECK_MODULES(REISERFS, [reiserfscore >= 3.6.27], [BTRFSCONVERT_REISERFS=1], [BTRFSCONVERT_REISERFS=0]) elif echo "$with_convert" | grep -q "reiserfs"; then PKG_CHECK_MODULES(REISERFS, [reiserfscore >= 3.6.27], [BTRFSCONVERT_REISERFS=1],[]) fi if test "$BTRFSCONVERT_REISERFS" = 1; then convertfs="${convertfs:+$convertfs,}reiserfs" fi fi AC_SUBST([BTRFSCONVERT_EXT2]) AC_SUBST([BTRFSCONVERT_REISERFS]) # catch typos tmp=$(echo "$with_convert" | sed -e 's/auto//' | sed -e 's/ext2//' | sed -e 's/reiserfs//' | sed -e 's/,\+//') if ! test "x$tmp" = "x"; then AC_MSG_ERROR([unknown tokens for --with-convert: $tmp]) fi if test "$DISABLE_BTRFSCONVERT" = 0 && test "x$convertfs" = "x"; then AC_MSG_ERROR([no filesystems for convert, use --disable-convert instead]) fi AC_ARG_WITH([crypto], AS_HELP_STRING([[[]--with-crypto[[=builtin]]]], [provider of cryptographic primitives: builtin, libgcrypt, libsodium, libkcapi]), [], [with_crypto=builtin] ) cryptoprovider= cryptoproviderversion= CRYPTOPROVIDER_BUILTIN=0 if test "$with_crypto" = "builtin"; then cryptoprovider="builtin" CRYPTOPROVIDER_BUILTIN=1 AC_DEFINE([CRYPTOPROVIDER_BUILTIN],[1],[Use builtin implementation]) elif test "$with_crypto" = "libgcrypt"; then cryptoprovider="libgcrypt" PKG_CHECK_MODULES(GCRYPT, [libgcrypt >= 1.8.0]) AC_DEFINE([CRYPTOPROVIDER_LIBGCRYPT],[1],[Use libcrypt]) cryptoproviderversion=`${PKG_CONFIG} libgcrypt --version` elif test "$with_crypto" = "libsodium"; then cryptoprovider="libsodium" PKG_CHECK_MODULES(SODIUM, [libsodium >= 1.0.4]) AC_DEFINE([CRYPTOPROVIDER_LIBSODIUM],[1],[Use libsodium]) cryptoproviderversion=`${PKG_CONFIG} libsodium --version` elif test "$with_crypto" = "libkcapi"; then cryptoprovider="libkcapi" PKG_CHECK_MODULES(KCAPI, [libkcapi >= 1.0.0]) AC_DEFINE([CRYPTOPROVIDER_LIBKCAPI],[1],[Use libkcapi]) cryptoproviderversion=`${PKG_CONFIG} libkcapi --version` else AC_MSG_ERROR([unrecognized crypto provider: $with_crypto]) fi AC_SUBST([CRYPTOPROVIDER_BUILTIN]) AC_DEFINE_UNQUOTED([CRYPTOPROVIDER],["$cryptoprovider"],[Crypto implementation source name]) AX_CHECK_DEFINE([linux/fiemap.h], [FIEMAP_EXTENT_SHARED], [], [AC_DEFINE([HAVE_OWN_FIEMAP_EXTENT_SHARED_DEFINE], [1], [Define to 1 if kernel headers do not define FIEMAP_EXTENT_SHARED]) AC_MSG_WARN([no definition of FIEMAP_EXTENT_SHARED found, probably old kernel, will use own definition, 'btrfs fi du' might report wrong numbers])]) AX_CHECK_DEFINE([ext2fs/ext2_fs.h], [EXT4_EPOCH_MASK], [AC_DEFINE([HAVE_EXT4_EPOCH_MASK_DEFINE], [1], [Define to 1 if e2fsprogs defines EXT4_EPOCH_MASK])], [have_ext4_epoch_mask_define=no]) AS_IF([test "x$have_ext4_epoch_mask_define" = xno], [ AC_CHECK_MEMBERS([struct ext2_inode_large.i_atime_extra], [ AC_DEFINE([HAVE_EXT4_EPOCH_MASK_DEFINE], [1], [Define to 1 if ext2_inode_large includes i_atime_extra]) AC_DEFINE([EXT4_EPOCH_BITS], [2],[for encode and decode tv_nsec in ext2 inode]) AC_DEFINE([EXT4_EPOCH_MASK], [((1 << EXT4_EPOCH_BITS) - 1)], [For encode and decode tv_nsec info in ext2 inode]) AC_DEFINE([EXT4_NSEC_MASK], [(~0UL << EXT4_EPOCH_BITS)], [For encode and decode tv_nsec info in ext2 inode]) AC_DEFINE([inode_includes(size, field)],[m4_normalize[(size >= (sizeof(((struct ext2_inode_large *)0)->field) + offsetof(struct ext2_inode_large, field)))]], [For encode and decode tv_nsec info in ext2 inode]) ], [AC_MSG_WARN([It seems that ext2_inode_large don't includes tv_nsec related info, probably old e2fsprogs, no 64bit time precision of converted images])], [[#include ]]) ]) AC_CHECK_HEADER(linux/blkzoned.h, [blkzoned_found=yes], [blkzoned_found=no]) AC_CHECK_MEMBER([struct blk_zone.capacity], [blkzoned_capacity=yes], [blkzoned_capacity=no], [[#include ]]) AX_CHECK_DEFINE([linux/blkzoned.h], [BLKGETZONESZ], [blkzoned_getzonesz=yes], [blkzoned_getzonesz=no]) AC_ARG_ENABLE([zoned], AS_HELP_STRING([--disable-zoned], [disable zoned block device support (default: detect)]), [], [enable_zoned=$blkzoned_capacity] ) # Autodetect zoned support AS_IF([test "x$enableval" = "x"], [ cansupportzoned=yes if test "x$blkzoned_found" = xno; then cansupportzoned=no fi if test "x$blkzoned_capacity" = xno; then cansupportzoned=no fi if test "x$blkzoned_getzonesz" = xno; then cansupportzoned=no fi if test "x$cansupportzoned" = xno; then AC_MSG_NOTICE([insufficient support for zoned mode, cannot enable]) enable_zoned=no else enable_zoned=yes fi ]) # Explicitly requested by --enable-zoned AS_IF([test "x$enable_zoned" = xyes], [ if test "x$blkzoned_found" = xno; then AC_MSG_ERROR([Couldn't find linux/blkzoned.h]) fi if test "x$blkzoned_capacity" = xno; then AC_MSG_ERROR([linux/blkzoned.h does not provide blk_zone.capacity]) fi if test "x$blkzoned_getzonesz" = xno; then AC_MSG_ERROR([linux/blkzoned.h does not define BLKGETZONESZ]) fi AC_DEFINE([BTRFS_ZONED], [1], [Define to 1 if zoned device support is available]) ]) dnl Define _LIBS= and _CFLAGS= by pkg-config dnl dnl The default PKG_CHECK_MODULES() action-if-not-found is end the dnl execution with error. The static libs are optional. PKG_CHECK_MODULES(BLKID, [blkid]) PKG_STATIC(BLKID_LIBS_STATIC, [blkid]) PKG_CHECK_MODULES(UUID, [uuid]) PKG_STATIC(UUID_LIBS_STATIC, [uuid]) PKG_CHECK_MODULES(ZLIB, [zlib]) PKG_STATIC(ZLIB_LIBS_STATIC, [zlib]) AC_ARG_ENABLE([zstd], AS_HELP_STRING([--disable-zstd], [build without zstd support for restore and receive (default: enabled)]), [], [enable_zstd=yes] ) if test "x$enable_zstd" = xyes; then PKG_CHECK_MODULES(ZSTD, [libzstd >= 1.0.0]) PKG_STATIC(ZSTD_LIBS_STATIC, [libzstd]) fi AS_IF([test "x$enable_zstd" = xyes], [COMPRESSION_ZSTD=1], [COMPRESSION_ZSTD=0]) AC_SUBST(COMPRESSION_ZSTD) AC_ARG_ENABLE([libudev], AS_HELP_STRING([--disable-libudev], [build without libudev support (for multipath)]), [], [enable_libudev=yes] ) if test "x$enable_libudev" = xyes; then PKG_CHECK_MODULES([LIBUDEV], [libudev]) AC_DEFINE([HAVE_LIBUDEV], [1], [Define to 1 if libudev is available]) fi AC_ARG_ENABLE([python], AS_HELP_STRING([--disable-python], [do not build libbtrfsutil Python bindings]), [], [enable_python=$enable_shared] ) if test "x$enable_python" = xyes; then AM_PATH_PYTHON([3.4]) PKG_CHECK_MODULES(PYTHON, [python-${PYTHON_VERSION}]) fi AS_IF([test "x$enable_python" = xyes], [PYTHON_BINDINGS=1], [PYTHON_BINDINGS=0]) AC_SUBST(PYTHON_BINDINGS) AC_SUBST(PYTHON) AC_ARG_ENABLE([experimental], AS_HELP_STRING([--enable-experimental], [allow UNSTABLE and EXPERIMENTAL features])) AS_IF([test "x$enable_experimental" = xyes], [EXPERIMENTAL=1], [EXPERIMENTAL=0]) AC_SUBST(EXPERIMENTAL) AC_DEFINE_UNQUOTED([EXPERIMENTAL],[$EXPERIMENTAL],[Define to 1 if you experimental and unstable features are build]) experimental_msg= if test "x$EXPERIMENTAL" = x1; then experimental_msg=" WARNING: experimental and unstable features are enabled, do not use this build for production and please report issues " fi # udev v190 introduced the btrfs builtin and a udev rule to use it. # Our udev rule gives us the friendly dm names but isn't required (or valid) # on earlier releases. UDEVDIR= if ${PKG_CONFIG} udev --atleast-version 190; then UDEVDIR="$(${PKG_CONFIG} udev --variable=udevdir)" fi AC_SUBST(UDEVDIR) AC_ARG_ENABLE([lzo], AS_HELP_STRING([--disable-lzo], [build without lzo support for restore and receive (default: enabled)]), [], [enable_lzo=yes] ) if test "x$enable_lzo" = xyes; then dnl lzo library does not provide pkg-config, use classic way AC_CHECK_LIB([lzo2], [lzo_version], [ LZO2_LIBS="-llzo2" LZO2_CFLAGS="" LZO2_LIBS_STATIC="-llzo2"],[ AC_MSG_ERROR([cannot find lzo2 library]) ]) AC_SUBST([LZO2_LIBS]) AC_SUBST([LZO2_LIBS_STATIC]) AC_SUBST([LZO2_CFLAGS]) fi AS_IF([test "x$enable_lzo" = xyes], [COMPRESSION_LZO=1], [COMPRESSION_LZO=0]) AC_SUBST(COMPRESSION_LZO) dnl call PKG_INSTALLDIR from pkg.m4 to set pkgconfigdir m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR], [AC_MSG_ERROR([please install pkgconf])]) dnl Versions AC_SUBST([BTRFS_VERSION_PLAIN]) AC_SUBST([BTRFS_VERSION_MAJOR]) AC_SUBST([BTRFS_VERSION_MINOR]) AC_SUBST([BTRFS_VERSION_PATCHLEVEL]) AC_SUBST([LIBBTRFS_MAJOR]) AC_SUBST([LIBBTRFS_MINOR]) AC_SUBST([LIBBTRFS_PATCHLEVEL]) AC_SUBST([BTRFS_UTIL_VERSION_MAJOR]) AC_SUBST([BTRFS_UTIL_VERSION_MINOR]) AC_SUBST([BTRFS_UTIL_VERSION_PATCH]) AC_CONFIG_HEADERS([config.h]) AC_CONFIG_FILES([ Makefile.inc Documentation/Makefile version.h libbtrfsutil/libbtrfsutil.pc ]) AC_OUTPUT AC_MSG_RESULT([ btrfs-progs: ${PACKAGE_VERSION} libbtrfs: ${LIBBTRFS_MAJOR}.${LIBBTRFS_MINOR}.${LIBBTRFS_PATCHLEVEL} (deprecated) libbtrfsutil: ${BTRFS_UTIL_VERSION_MAJOR}.${BTRFS_UTIL_VERSION_MINOR}.${BTRFS_UTIL_VERSION_PATCH} prefix: ${prefix} exec prefix: ${exec_prefix} bindir: ${bindir} libdir: ${libdir} includedir: ${includedir} pkgconfigdir: ${pkgconfigdir} compiler: ${CC} CFLAGS: ${CFLAGS} LDFLAGS: ${LDFLAGS} programs: ${enable_programs} shared libraries: ${enable_shared} static libraries: ${enable_static} documentation: ${enable_documentation} doc generator: ${DOC_TOOL} backtrace support: ${enable_backtrace} btrfs-convert: ${enable_convert} ${convertfs:+($convertfs)} zstd support: ${enable_zstd} lzo support: ${enable_lzo} fsverity support: ${have_fsverity} Python bindings: ${enable_python} Python interpreter: ${PYTHON} crypto provider: ${cryptoprovider} ${cryptoproviderversion} libudev: ${enable_libudev} zoned device: ${enable_zoned} ${experimental_msg} Type 'make' to compile. ])