2 m4_esyscmd([./version.sh --configure]),
3 [linux-btrfs@vger.kernel.org],,
4 [http://btrfs.wiki.kernel.org])
15 AC_CONFIG_AUX_DIR([config])
16 dnl AC_USE_SYSTEM_EXTENSIONS must be called before any macros that run
17 dnl the compiler (like AC_PROG_LIBTOOL) to avoid autoconf errors.
18 AC_USE_SYSTEM_EXTENSIONS
20 AC_CONFIG_SRCDIR([btrfs.c])
21 AC_PREFIX_DEFAULT([/usr])
33 AC_PATH_PROG([AR], [ar])
34 AC_PATH_PROG([RM], [rm], [rm])
35 AC_PATH_PROG([RMDIR], [rmdir], [rmdir])
37 AC_CHECK_FUNCS([openat], [],
38 [AC_MSG_ERROR([cannot find openat() function])])
40 m4_ifndef([PKG_PROG_PKG_CONFIG],
41 [m4_fatal([Could not locate the pkg-config autoconf
42 macros. These are usually located in /usr/share/aclocal/pkg.m4.
43 If your macros are in a different location, try setting the
44 environment variable AL_OPTS="-I/other/macro/dir" before running
45 ./autogen.sh or autoreconf again.])])
50 dnl Calls pkg-config --static
52 AC_DEFUN([PKG_STATIC], [
53 if AC_RUN_LOG([pkg-config --exists --print-errors "$2"]); then
54 $1=`pkg-config --libs --static "$2"`
57 AC_MSG_ERROR([pkg-config description of $2, needed for static build, is not available])
62 AC_ARG_ENABLE([backtrace],
63 AS_HELP_STRING([--disable-backtrace], [disable btrfs backtrace]),
64 [], [enable_backtrace=yes]
67 AS_IF([test "x$enable_backtrace" = xno], [
68 AC_DEFINE([BTRFS_DISABLE_BACKTRACE], [1], [disable backtrace stuff in kerncompat.h ])
71 if test "x$enable_backtrace" = xyes; then
72 AC_CHECK_HEADERS([execinfo.h])
73 AC_CHECK_FUNCS([backtrace backtrace_symbols_fd], [],
74 AC_MSG_ERROR([standard library does not have backtrace support]))
78 AC_ARG_ENABLE([documentation],
79 AS_HELP_STRING([--disable-documentation], [do not build domumentation]),
80 [], [enable_documentation=yes]
82 AS_IF([test "x$enable_documentation" = xyes], [DISABLE_DOCUMENTATION=0], [DISABLE_DOCUMENTATION=1])
83 AC_SUBST([DISABLE_DOCUMENTATION])
85 dnl detect tools to build documentation
86 if test "x$enable_documentation" = xyes; then
87 AC_PATH_PROG([ASCIIDOC], [asciidoc], [asciidoc])
88 AC_PATH_PROG([XMLTO], [xmlto], [xmlto])
89 AC_PATH_PROG([GZIP], [gzip], [gzip])
90 AC_PATH_PROG([MV], [mv], [mv])
94 AC_ARG_ENABLE([convert],
95 AS_HELP_STRING([--disable-convert], [do not build btrfs-convert]),
96 [], [enable_btrfsconvert=yes]
99 AS_IF([test "x$enable_btrfsconvert" = xyes], [DISABLE_BTRFSCONVERT=0], [DISABLE_BTRFSCONVERT=1])
100 AC_SUBST([DISABLE_BTRFSCONVERT])
103 dnl Define <NAME>_LIBS= and <NAME>_CFLAGS= by pkg-config
105 dnl The default PKG_CHECK_MODULES() action-if-not-found is end the
106 dnl execution with error. The static libs are optional.
108 PKG_CHECK_MODULES(BLKID, [blkid])
109 PKG_STATIC(BLKID_LIBS_STATIC, [blkid])
111 PKG_CHECK_MODULES(UUID, [uuid])
112 PKG_STATIC(UUID_LIBS_STATIC, [uuid])
114 PKG_CHECK_MODULES(ZLIB, [zlib])
115 PKG_STATIC(ZLIB_LIBS_STATIC, [zlib])
117 dnl lzo library does not provide pkg-config, let use classic way
118 AC_CHECK_LIB([lzo2], [lzo_version], [
121 LZO2_LIBS_STATIC="-llzo2"],[
122 AC_MSG_ERROR([cannot find lzo2 library])
124 AC_SUBST([LZO2_LIBS])
125 AC_SUBST([LZO2_LIBS_STATIC])
126 AC_SUBST([LZO2_CFLAGS])
130 AC_SUBST([LIBBTRFS_MAJOR])
131 AC_SUBST([LIBBTRFS_MINOR])
132 AC_SUBST([LIBBTRFS_PATCHLEVEL])
134 AC_CONFIG_HEADERS([config.h])
138 Documentation/Makefile
145 ${PACKAGE_NAME} ${PACKAGE_VERSION}
148 exec prefix: ${exec_prefix}
152 includedir: ${includedir}
158 documentaton: ${enable_documentation}
159 backtrace support: ${enable_backtrace}
160 btrfs-convert: ${enable_btrfsconvert}
162 Type 'make' to compile.