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