dnl library version
LIBBTRFS_MAJOR=0
LIBBTRFS_MINOR=1
-LIBBTRFS_PATCHLEVEL=1
+LIBBTRFS_PATCHLEVEL=2
CFLAGS=${CFLAGS:-"-g -O1 -Wall -D_FORTIFY_SOURCE=2"}
AC_SUBST([CFLAGS])
AS_IF([test "x$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$enable_convert" = xyes; then
- PKG_CHECK_MODULES(EXT2FS, [ext2fs >= 1.42],,
- [PKG_CHECK_MODULES(EXT2FS, [ext2fs],
- [AC_DEFINE([HAVE_OLD_E2FSPROGS], [1],
- [E2fsprogs does not support BIGALLOC])]
- )])
- PKG_CHECK_MODULES(COM_ERR, [com_err])
+ if test "x$with_convert" = "xauto" || echo "$with_convert" | grep -q "ext2"; then
+ PKG_CHECK_MODULES(EXT2FS, [ext2fs >= 1.42],,
+ [PKG_CHECK_MODULES(EXT2FS, [ext2fs],
+ [AC_DEFINE([HAVE_OLD_E2FSPROGS], [1],
+ [E2fsprogs does not support BIGALLOC])]
+ )])
+ PKG_CHECK_MODULES(COM_ERR, [com_err])
+ convertfs="${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$convertfs" = "x"; then
+ AC_MSG_ERROR([no filesystems for convert, use --disable-convert instead])
+fi
+
+HAVE_OWN_FIEMAP_EXTENT_SHARED_DEFINE=0
+AX_CHECK_DEFINE([linux/fiemap.h], [FIEMAP_EXTENT_SHARED], [],
+ [HAVE_OWN_FIEMAP_EXTENT_SHARED_DEFINE=1
+ AC_MSG_WARN([no definition of FIEMAP_EXTENT_SHARED found, probably old kernel, will use own defintion, 'btrfs fi du' might report wrong numbers])])
+
+if test "x$HAVE_OWN_FIEMAP_EXTENT_SHARED_DEFINE" == "x1"; then
+AC_DEFINE([HAVE_OWN_FIEMAP_EXTENT_SHARED_DEFINE], [1], [We defined FIEMAP_EXTENT_SHARED])
+else
+AC_DEFINE([HAVE_OWN_FIEMAP_EXTENT_SHARED_DEFINE], [0], [We did not define FIEMAP_EXTENT_SHARED])
+fi
dnl Define <NAME>_LIBS= and <NAME>_CFLAGS= by pkg-config
dnl
PKG_CHECK_MODULES(ZLIB, [zlib])
PKG_STATIC(ZLIB_LIBS_STATIC, [zlib])
-UDEVDIR="$(pkg-config udev --variable=udevdir)"
+AC_ARG_ENABLE([zstd],
+ AS_HELP_STRING([--disable-zstd@<:@=yes@:>@], [build with zstd support (default: yes)]),
+ [], [enable_zstd=yes]
+)
+
+if test "x$enable_zstd" = xauto; then
+ PKG_CHECK_EXISTS([libzstd >= 1.0.0], [enable_zstd=yes], [enable_zstd=no])
+fi
+
+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)
+
+# 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_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([
-Makefile
+Makefile.inc
Documentation/Makefile
version.h
])
AC_MSG_RESULT([
${PACKAGE_NAME} ${PACKAGE_VERSION}
- prefix: ${prefix}
- exec prefix: ${exec_prefix}
+ prefix: ${prefix}
+ exec prefix: ${exec_prefix}
- bindir: ${bindir}
- libdir: ${libdir}
- includedir: ${includedir}
+ bindir: ${bindir}
+ libdir: ${libdir}
+ includedir: ${includedir}
- compiler: ${CC}
- cflags: ${CFLAGS}
- ldflags: ${LDFLAGS}
+ compiler: ${CC}
+ cflags: ${CFLAGS}
+ ldflags: ${LDFLAGS}
- documentation: ${enable_documentation}
- backtrace support: ${enable_backtrace}
- btrfs-convert: ${enable_convert}
+ documentation: ${enable_documentation}
+ backtrace support: ${enable_backtrace}
+ btrfs-convert: ${enable_convert} ${convertfs:+($convertfs)}
+ btrfs-restore zstd: ${enable_zstd}
Type 'make' to compile.
])
-