2 m4_esyscmd([./version.sh --configure]),
3 [linux-btrfs@vger.kernel.org],,
4 [http://btrfs.wiki.kernel.org])
11 CFLAGS=${CFLAGS:-"-g -O1 -Wall -D_FORTIFY_SOURCE=2"}
16 AC_CONFIG_AUX_DIR([config])
17 dnl AC_USE_SYSTEM_EXTENSIONS must be called before any macros that run
18 dnl the compiler (like AC_PROG_LIBTOOL) to avoid autoconf errors.
19 AC_USE_SYSTEM_EXTENSIONS
21 AC_CONFIG_SRCDIR([btrfs.c])
22 AC_PREFIX_DEFAULT([/usr])
34 AC_PATH_PROG([AR], [ar])
35 AC_PATH_PROG([RM], [rm], [rm])
36 AC_PATH_PROG([RMDIR], [rmdir], [rmdir])
38 AC_CHECK_FUNCS([openat], [],
39 [AC_MSG_ERROR([cannot find openat() function])])
41 m4_ifndef([PKG_PROG_PKG_CONFIG],
42 [m4_fatal([Could not locate the pkg-config autoconf
43 macros. These are usually located in /usr/share/aclocal/pkg.m4.
44 If your macros are in a different location, try setting the
45 environment variable AL_OPTS="-I/other/macro/dir" before running
46 ./autogen.sh or autoreconf again.])])
51 dnl Calls pkg-config --static
53 AC_DEFUN([PKG_STATIC], [
54 if AC_RUN_LOG([pkg-config --exists --print-errors "$2"]); then
55 $1=`pkg-config --libs --static "$2"`
58 AC_MSG_ERROR([pkg-config description of $2, needed for static build, is not available])
63 AC_ARG_ENABLE([backtrace],
64 AS_HELP_STRING([--disable-backtrace], [disable btrfs backtrace]),
65 [], [enable_backtrace=yes]
68 AS_IF([test "x$enable_backtrace" = xno], [
69 AC_DEFINE([BTRFS_DISABLE_BACKTRACE], [1], [disable backtrace stuff in kerncompat.h ])
72 if test "x$enable_backtrace" = xyes; then
73 AC_CHECK_HEADERS([execinfo.h])
74 AC_CHECK_FUNCS([backtrace backtrace_symbols_fd], [],
75 AC_MSG_ERROR([standard library does not have backtrace support]))
79 AC_ARG_ENABLE([documentation],
80 AS_HELP_STRING([--disable-documentation], [do not build domumentation]),
81 [], [enable_documentation=yes]
83 AS_IF([test "x$enable_documentation" = xyes], [DISABLE_DOCUMENTATION=0], [DISABLE_DOCUMENTATION=1])
84 AC_SUBST([DISABLE_DOCUMENTATION])
86 dnl detect tools to build documentation
87 if test "x$enable_documentation" = xyes; then
88 AC_PATH_PROG([ASCIIDOC], [asciidoc], [asciidoc])
89 AC_PATH_PROG([XMLTO], [xmlto], [xmlto])
90 AC_PATH_PROG([GZIP], [gzip], [gzip])
91 AC_PATH_PROG([MV], [mv], [mv])
95 AC_ARG_ENABLE([convert],
96 AS_HELP_STRING([--disable-convert], [do not build btrfs-convert]),
97 [], [enable_btrfsconvert=yes]
100 AS_IF([test "x$enable_btrfsconvert" = xyes], [DISABLE_BTRFSCONVERT=0], [DISABLE_BTRFSCONVERT=1])
101 AC_SUBST([DISABLE_BTRFSCONVERT])
103 if test "x$enable_btrfsconvert" = xyes; then
104 PKG_CHECK_MODULES(EXT2FS, [ext2fs])
105 PKG_CHECK_MODULES(COM_ERR, [com_err])
109 dnl Define <NAME>_LIBS= and <NAME>_CFLAGS= by pkg-config
111 dnl The default PKG_CHECK_MODULES() action-if-not-found is end the
112 dnl execution with error. The static libs are optional.
114 PKG_CHECK_MODULES(BLKID, [blkid])
115 PKG_STATIC(BLKID_LIBS_STATIC, [blkid])
117 PKG_CHECK_MODULES(UUID, [uuid])
118 PKG_STATIC(UUID_LIBS_STATIC, [uuid])
120 PKG_CHECK_MODULES(ZLIB, [zlib])
121 PKG_STATIC(ZLIB_LIBS_STATIC, [zlib])
123 dnl lzo library does not provide pkg-config, let use classic way
124 AC_CHECK_LIB([lzo2], [lzo_version], [
127 LZO2_LIBS_STATIC="-llzo2"],[
128 AC_MSG_ERROR([cannot find lzo2 library])
130 AC_SUBST([LZO2_LIBS])
131 AC_SUBST([LZO2_LIBS_STATIC])
132 AC_SUBST([LZO2_CFLAGS])
136 AC_SUBST([LIBBTRFS_MAJOR])
137 AC_SUBST([LIBBTRFS_MINOR])
138 AC_SUBST([LIBBTRFS_PATCHLEVEL])
140 AC_CONFIG_HEADERS([config.h])
144 Documentation/Makefile
151 ${PACKAGE_NAME} ${PACKAGE_VERSION}
154 exec prefix: ${exec_prefix}
158 includedir: ${includedir}
164 documentaton: ${enable_documentation}
165 backtrace support: ${enable_backtrace}
166 btrfs-convert: ${enable_btrfsconvert}
168 Type 'make' to compile.