blob: 7217cf53126552ccfa8e24cf2d6cf1df0d875295 [file] [log] [blame]
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.69])
m4_define([erofs_utils_version], m4_esyscmd([sed -n '1p' VERSION | tr -d '\n']))
m4_define([erofs_utils_date], m4_esyscmd([sed -n '2p' VERSION | tr -d '\n']))
AC_INIT([erofs-utils], [erofs_utils_version], [linux-erofs@lists.ozlabs.org])
AC_CONFIG_SRCDIR([config.h.in])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR(config)
AM_INIT_AUTOMAKE([foreign -Wall -Werror])
# Checks for programs.
AM_PROG_AR
AC_PROG_CC
AC_PROG_INSTALL
LT_INIT
# Test presence of pkg-config
AC_MSG_CHECKING([pkg-config m4 macros])
if test m4_ifdef([PKG_CHECK_MODULES], [yes], [no]) = "yes"; then
AC_MSG_RESULT([yes]);
else
AC_MSG_RESULT([no]);
AC_MSG_ERROR([pkg-config is required. See pkg-config.freedesktop.org])
fi
dnl EROFS_UTILS_PARSE_DIRECTORY
dnl Input: $1 = a string to a relative or absolute directory
dnl Output: $2 = the variable to set with the absolute directory
AC_DEFUN([EROFS_UTILS_PARSE_DIRECTORY],
[
dnl Check if argument is a directory
if test -d $1 ; then
dnl Get the absolute path of the directory
dnl in case of relative directory.
dnl If realpath is not a valid command,
dnl an error is produced and we keep the given path.
local_tmp=`realpath $1 2>/dev/null`
if test "$local_tmp" != "" ; then
if test -d "$local_tmp" ; then
$2="$local_tmp"
else
$2=$1
fi
else
$2=$1
fi
dnl Check for space in the directory
if test `echo $1|cut -d' ' -f1` != $1 ; then
AC_MSG_ERROR($1 directory shall not contain any space.)
fi
else
AC_MSG_ERROR($1 shall be a valid directory)
fi
])
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[enable debugging mode @<:@default=no@:>@])],
[enable_debug="$enableval"],
[enable_debug="no"])
AC_ARG_ENABLE(lz4,
[AS_HELP_STRING([--disable-lz4], [disable LZ4 compression support @<:@default=enabled@:>@])],
[enable_lz4="$enableval"], [enable_lz4="yes"])
AC_ARG_ENABLE(fuse,
[AS_HELP_STRING([--enable-fuse], [enable erofsfuse @<:@default=no@:>@])],
[enable_fuse="$enableval"], [enable_fuse="no"])
AC_ARG_WITH(uuid,
[AS_HELP_STRING([--without-uuid],
[Ignore presence of libuuid and disable uuid support @<:@default=enabled@:>@])])
AC_ARG_WITH(selinux,
[AS_HELP_STRING([--with-selinux],
[enable and build with selinux support @<:@default=no@:>@])],
[case "$with_selinux" in
yes|no) ;;
*) AC_MSG_ERROR([invalid argument to --with-selinux])
;;
esac], [with_selinux=no])
# Checks for libraries.
# Use customized LZ4 library path when specified.
AC_ARG_WITH(lz4-incdir,
[AS_HELP_STRING([--with-lz4-incdir=DIR], [LZ4 include directory])], [
EROFS_UTILS_PARSE_DIRECTORY(["$withval"],[withval])])
AC_ARG_WITH(lz4-libdir,
[AS_HELP_STRING([--with-lz4-libdir=DIR], [LZ4 lib directory])], [
EROFS_UTILS_PARSE_DIRECTORY(["$withval"],[withval])])
AC_ARG_VAR([LZ4_CFLAGS], [C compiler flags for lz4])
AC_ARG_VAR([LZ4_LIBS], [linker flags for lz4])
# Checks for header files.
AC_CHECK_HEADERS(m4_flatten([
dirent.h
execinfo.h
fcntl.h
getopt.h
inttypes.h
linux/falloc.h
linux/fs.h
linux/types.h
linux/xattr.h
limits.h
stddef.h
stdint.h
stdlib.h
string.h
sys/ioctl.h
sys/stat.h
sys/sysmacros.h
sys/time.h
unistd.h
]))
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_INT64_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_CHECK_MEMBERS([struct stat.st_rdev])
AC_CHECK_MEMBERS([struct stat.st_atim])
AC_CHECK_MEMBERS([struct stat.st_atimensec])
AC_TYPE_UINT64_T
#
# Check to see if llseek() is declared in unistd.h. On some libc's
# it is, and on others it isn't..... Thank you glibc developers....
#
AC_CHECK_DECL(llseek,
[AC_DEFINE(HAVE_LLSEEK_PROTOTYPE, 1,
[Define to 1 if llseek declared in unistd.h])],,
[#include <unistd.h>])
#
# Check to see if lseek64() is declared in unistd.h. Glibc's header files
# are so convoluted that I can't tell whether it will always be defined,
# and if it isn't defined while lseek64 is defined in the library,
# disaster will strike.
#
# Warning! Use of --enable-gcc-wall may throw off this test.
#
AC_CHECK_DECL(lseek64,[AC_DEFINE(HAVE_LSEEK64_PROTOTYPE, 1,
[Define to 1 if lseek64 declared in unistd.h])],,
[#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#include <unistd.h>])
# Checks for library functions.
AC_CHECK_FUNCS(m4_flatten([
backtrace
fallocate
gettimeofday
lgetxattr
llistxattr
memset
realpath
pread64
pwrite64
strdup
strerror
strrchr
strtoull]))
# Configure debug mode
AS_IF([test "x$enable_debug" != "xno"], [], [
dnl Turn off all assert checking.
CPPFLAGS="$CPPFLAGS -DNDEBUG"
])
# Configure libuuid
AS_IF([test "x$with_uuid" != "xno"], [
PKG_CHECK_MODULES([libuuid], [uuid])
# Paranoia: don't trust the result reported by pkgconfig before trying out
saved_LIBS="$LIBS"
saved_CPPFLAGS=${CPPFLAGS}
CPPFLAGS="${libuuid_CFLAGS} ${CPPFLAGS}"
LIBS="${libuuid_LIBS} $LIBS"
AC_MSG_CHECKING([libuuid usability])
AC_TRY_LINK([
#include <uuid.h>
], [
uuid_t tmp;
uuid_generate(tmp);
return 0;
], [have_uuid="yes"
AC_MSG_RESULT([yes])], [
have_uuid="no"
AC_MSG_RESULT([no])
AC_MSG_ERROR([libuuid doesn't work properly])])
LIBS="${saved_LIBS}"
CPPFLAGS="${saved_CPPFLAGS}"], [have_uuid="no"])
# Configure selinux
AS_IF([test "x$with_selinux" != "xno"], [
PKG_CHECK_MODULES([libselinux], [libselinux])
# Paranoia: don't trust the result reported by pkgconfig before trying out
saved_LIBS="$LIBS"
saved_CPPFLAGS=${CPPFLAGS}
CPPFLAGS="${libselinux_CFLAGS} ${CPPFLAGS}"
LIBS="${libselinux_LIBS} $LIBS"
AC_CHECK_LIB(selinux, selabel_lookup, [
have_selinux="yes" ], [
AC_MSG_ERROR([libselinux doesn't work properly])])
LIBS="${saved_LIBS}"
CPPFLAGS="${saved_CPPFLAGS}"], [have_selinux="no"])
# Configure fuse
AS_IF([test "x$enable_fuse" != "xno"], [
PKG_CHECK_MODULES([libfuse], [fuse >= 2.6])
# Paranoia: don't trust the result reported by pkgconfig before trying out
saved_LIBS="$LIBS"
saved_CPPFLAGS=${CPPFLAGS}
CPPFLAGS="${libfuse_CFLAGS} ${CPPFLAGS}"
LIBS="${libfuse_LIBS} $LIBS"
AC_CHECK_LIB(fuse, fuse_main, [
have_fuse="yes" ], [
AC_MSG_ERROR([libfuse (>= 2.6) doesn't work properly])])
LIBS="${saved_LIBS}"
CPPFLAGS="${saved_CPPFLAGS}"], [have_fuse="no"])
# Configure lz4
test -z $LZ4_LIBS && LZ4_LIBS='-llz4'
if test "x$enable_lz4" = "xyes"; then
test -z "${with_lz4_incdir}" || LZ4_CFLAGS="-I$with_lz4_incdir $LZ4_CFLAGS"
saved_CPPFLAGS=${CPPFLAGS}
CPPFLAGS="${LZ4_CFLAGS} ${CPPFLAGS}"
AC_CHECK_HEADERS([lz4.h],[have_lz4h="yes"], [])
if test "x${have_lz4h}" = "xyes" ; then
saved_LIBS="$LIBS"
saved_LDFLAGS=${LDFLAGS}
test -z "${with_lz4_libdir}" || LDFLAGS="-L$with_lz4_libdir ${LDFLAGS}"
AC_CHECK_LIB(lz4, LZ4_compress_destSize, [
have_lz4="yes"
have_lz4hc="yes"
AC_CHECK_LIB(lz4, LZ4_compress_HC_destSize, [], [
AC_CHECK_DECL(LZ4_compress_HC_destSize, [lz4_force_static="yes"],
[have_lz4hc="no"], [[
#define LZ4_HC_STATIC_LINKING_ONLY (1)
#include <lz4hc.h>
]])
])
], [AC_MSG_ERROR([Cannot find proper lz4 version (>= 1.8.0)])])
LDFLAGS=${saved_LDFLAGS}
LIBS="${saved_LIBS}"
fi
CPPFLAGS=${saved_CPPFLAGS}
fi
# Set up needed symbols, conditionals and compiler/linker flags
AM_CONDITIONAL([ENABLE_LZ4], [test "x${have_lz4}" = "xyes"])
AM_CONDITIONAL([ENABLE_LZ4HC], [test "x${have_lz4hc}" = "xyes"])
AM_CONDITIONAL([ENABLE_FUSE], [test "x${have_fuse}" = "xyes"])
if test "x$have_uuid" = "xyes"; then
AC_DEFINE([HAVE_LIBUUID], 1, [Define to 1 if libuuid is found])
fi
if test "x$have_selinux" = "xyes"; then
AC_DEFINE([HAVE_LIBSELINUX], 1, [Define to 1 if libselinux is found])
fi
if test "x${have_lz4}" = "xyes"; then
AC_DEFINE([LZ4_ENABLED], [1], [Define to 1 if lz4 is enabled.])
if test "x${have_lz4hc}" = "xyes"; then
AC_DEFINE([LZ4HC_ENABLED], [1], [Define to 1 if lz4hc is enabled.])
fi
if test "x${lz4_force_static}" = "xyes"; then
LZ4_LIBS="-Wl,-Bstatic -Wl,-whole-archive -Xlinker ${LZ4_LIBS} -Wl,-no-whole-archive -Wl,-Bdynamic"
test -z "${with_lz4_libdir}" || LZ4_LIBS="-L${with_lz4_libdir} $LZ4_LIBS"
else
test -z "${with_lz4_libdir}" || LZ4_LIBS="-R${with_lz4_libdir} $LZ4_LIBS"
fi
liblz4_LIBS="${LZ4_LIBS}"
fi
AC_SUBST([liblz4_LIBS])
AC_CONFIG_FILES([Makefile
man/Makefile
lib/Makefile
mkfs/Makefile
fuse/Makefile])
AC_OUTPUT