[linux-btrfs@vger.kernel.org],,
[http://btrfs.wiki.kernel.org])
+if test "x$PACKAGE_URL" = "x"; then
+ AC_DEFINE([PACKAGE_URL], ["http://btrfs.wiki.kernel.org"], [URL])
+fi
+
dnl library version
LIBBTRFS_MAJOR=0
LIBBTRFS_MINOR=1
LIBBTRFS_PATCHLEVEL=1
-CFLAGS="-g -O1"
+CFLAGS=${CFLAGS:-"-g -O1 -Wall -D_FORTIFY_SOURCE=2"}
+AC_SUBST([CFLAGS])
AC_PREREQ([2.60])
AC_USE_SYSTEM_EXTENSIONS
AC_CONFIG_SRCDIR([btrfs.c])
-AC_PREFIX_DEFAULT([/usr])
+AC_PREFIX_DEFAULT([/usr/local])
AC_PROG_CC
AC_CANONICAL_HOST
AC_PROG_INSTALL
AC_PROG_LN_S
-AC_PATH_PROG([AR], [ar])
+AC_CHECK_TOOL([AR], [ar])
AC_PATH_PROG([RM], [rm], [rm])
AC_PATH_PROG([RMDIR], [rmdir], [rmdir])
AC_ARG_ENABLE([convert],
AS_HELP_STRING([--disable-convert], [do not build btrfs-convert]),
- [], [enable_btrfsconvert=yes]
+ [], [enable_convert=yes]
)
-AS_IF([test "x$enable_btrfsconvert" = xyes], [DISABLE_BTRFSCONVERT=0], [DISABLE_BTRFSCONVERT=1])
+AS_IF([test "x$enable_convert" = xyes], [DISABLE_BTRFSCONVERT=0], [DISABLE_BTRFSCONVERT=1])
AC_SUBST([DISABLE_BTRFSCONVERT])
-if test "x$enable_btrfsconvert" = xyes; then
- PKG_CHECK_MODULES(EXT2FS, [ext2fs])
- PKG_CHECK_MODULES(COM_ERR, [com_err])
+AC_ARG_WITH([convert],
+ AS_HELP_STRING([[[]--with-convert[[=auto]]]], [built-in filesystems for convert (default: auto)
+supported (comma separated list): ext2]),
+ [], [with_convert=auto]
+)
+
+if test "$with_convert" = "yes"; then
+ with_convert=auto
+fi
+
+if test "$with_convert" = "no"; then
+ with_convert=
+fi
+
+convertfs=
+BTRFSCONVERT_EXT2=0
+if test "x$enable_convert" = xyes; then
+ if test "x$with_convert" = "xauto" || echo "$with_convert" | grep -q "ext2"; then
+ PKG_CHECK_MODULES(EXT2FS, [ext2fs >= 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
fi
+AC_SUBST([BTRFSCONVERT_EXT2])
+# catch typos
+tmp=$(echo "$with_convert" | sed -e 's/auto//' | sed -e 's/ext2//' | 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])
+# 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"
cflags: ${CFLAGS}
ldflags: ${LDFLAGS}
- documentaton: ${enable_documentation}
+ documentation: ${enable_documentation}
backtrace support: ${enable_backtrace}
- btrfs-convert: ${enable_btrfsconvert}
+ btrfs-convert: ${enable_convert} ${convertfs:+($convertfs)}
Type 'make' to compile.
])