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btrfs-progs
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btrfs-progs/configure.ac

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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=${CFLAGS:-"-g -O1 -Wall -D_FORTIFY_SOURCE=2"}
AC_SUBST([CFLAGS])
AC_PREREQ([2.60])
AC_CONFIG_AUX_DIR([config])
dnl AC_USE_SYSTEM_EXTENSIONS must be called before any macros that run
dnl the compiler (like AC_PROG_LIBTOOL) to avoid autoconf errors.
AC_USE_SYSTEM_EXTENSIONS
AC_CONFIG_SRCDIR([btrfs.c])
AC_PREFIX_DEFAULT([/usr/local])
AC_PROG_CC
BTRFS_DETECT_CSTD
AC_CANONICAL_HOST
AC_C_CONST
AC_C_VOLATILE
AC_C_BIGENDIAN
AC_SYS_LARGEFILE
AC_PROG_INSTALL
AC_PROG_LN_S
AC_CHECK_TOOL([AR], [ar])
AC_PATH_PROG([RM], [rm], [rm])
AC_PATH_PROG([RMDIR], [rmdir], [rmdir])
AC_CHECK_FUNCS([openat], [],
[AC_MSG_ERROR([cannot find openat() function])])
AC_CHECK_FUNCS([reallocarray])
AC_CHECK_FUNCS([clock_gettime])
AC_CHECK_HEADERS([linux/perf_event.h])
AC_CHECK_HEADERS([linux/hw_breakpoint.h])
m4_ifndef([PKG_PROG_PKG_CONFIG],
[m4_fatal([Could not locate the pkg-config autoconf
macros. These are usually located in /usr/share/aclocal/pkg.m4.
If your macros are in a different location, try setting the
environment variable AL_OPTS="-I/other/macro/dir" before running
./autogen.sh or autoreconf again.])])
PKG_PROG_PKG_CONFIG
dnl
dnl Calls pkg-config --static
dnl
AC_DEFUN([PKG_STATIC], [
if AC_RUN_LOG([${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
ASCIIDOC_TOOL="none"
if test "x$enable_documentation" = xyes; then
AC_PATH_PROG([XMLTO], [xmlto])
if test -z "$XMLTO"; then
AC_MSG_ERROR([cannot find xmlto, cannot build documentation])
fi
AC_PATH_PROG([MV], [mv], [mv])
AC_PROG_SED
AC_PATH_PROG([ASCIIDOC], [asciidoc])
AC_PATH_PROG([ASCIIDOCTOR], [asciidoctor])
dnl asciidoc is preferred
if test -n "$ASCIIDOC"; then
ASCIIDOC_TOOL="asciidoc"
else
if test -n "$ASCIIDOCTOR"; then
ASCIIDOC_TOOL="asciidoctor"
else
AC_MSG_ERROR([cannot find asciidoc or asciidoctor, cannot build documentation])
fi
fi
fi
AC_SUBST([ASCIIDOC_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])],
[AC_MSG_WARN([no definition of EXT4_EPOCH_MASK found, probably old e2fsprogs, no 64bit time precision of converted images])])
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 <linux/blkzoned.h>]])
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]),
[], [enable_zoned=$blkzoned_found]
)
AS_IF([test "x$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$blkzoned_getzonesz" = xno; then
AC_MSG_ERROR([linux/blkzoned.h does not define BLKGETZONESZ])
fi
AC_DEFINE([BTRFS_ZONED], [1], [Define to 1 if zoned device support is available])
])
dnl Define <NAME>_LIBS= and <NAME>_CFLAGS= by pkg-config
dnl
dnl The default PKG_CHECK_MODULES() action-if-not-found is end the
dnl execution with error. The static libs are optional.
PKG_CHECK_MODULES(BLKID, [blkid])
PKG_STATIC(BLKID_LIBS_STATIC, [blkid])
PKG_CHECK_MODULES(UUID, [uuid])
PKG_STATIC(UUID_LIBS_STATIC, [uuid])
PKG_CHECK_MODULES(ZLIB, [zlib])
PKG_STATIC(ZLIB_LIBS_STATIC, [zlib])
AC_ARG_ENABLE([zstd],
AS_HELP_STRING([--disable-zstd], [build without zstd support]),
[], [enable_zstd=yes]
)
if test "x$enable_zstd" = xyes; then
PKG_CHECK_MODULES(ZSTD, [libzstd >= 1.0.0])
PKG_STATIC(ZSTD_LIBS_STATIC, [libzstd])
fi
AS_IF([test "x$enable_zstd" = xyes], [BTRFSRESTORE_ZSTD=1], [BTRFSRESTORE_ZSTD=0])
AC_SUBST(BTRFSRESTORE_ZSTD)
AC_ARG_ENABLE([python],
AS_HELP_STRING([--disable-python], [do not build libbtrfsutil Python bindings]),
[], [enable_python=$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)
# 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)
dnl lzo library does not provide pkg-config, let 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])
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: ${ASCIIDOC_TOOL}
backtrace support: ${enable_backtrace}
btrfs-convert: ${enable_convert} ${convertfs:+($convertfs)}
btrfs-restore zstd: ${enable_zstd}
Python bindings: ${enable_python}
Python interpreter: ${PYTHON}
crypto provider: ${cryptoprovider} ${cryptoproviderversion}
zoned device: ${enable_zoned}
Type 'make' to compile.
])
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