ceph/configure.ac
Greg Farnum 8f21beb23c leveldbstore: handle old versions of leveldb
The filter_policy (bloom filter) stuff is fairly new in LevelDB's life,
and it turns out that precise's version is too old for it. Add conditional
compilation for those members in order to build and work properly.

Signed-off-by: Greg Farnum <greg@inktank.com>
2013-04-17 15:14:35 -07:00

566 lines
19 KiB
Plaintext

# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
# Autoconf
AC_PREREQ(2.59)
# NOTE: This version is _only_ used for naming the tarball. The
# VERSION define is not used by the code. It gets a version string
# from 'git describe'; see src/ceph_ver.[ch]
AC_INIT([ceph], [0.60], [ceph-devel@vger.kernel.org])
# Create release string. Used with VERSION for RPMs.
RPM_RELEASE=0
AC_SUBST(RPM_RELEASE)
if test -d ".git" ; then
AC_CHECK_PROG(GIT_CHECK, git, yes)
if test x"$GIT_CHECK" = x"yes"; then
RPM_RELEASE=`if expr index $(git describe --always) '-' > /dev/null ; then git describe --always | cut -d- -f2- | tr '-' '.' ; else echo "0"; fi`
fi
fi
AC_MSG_NOTICE([RPM_RELEASE='$RPM_RELEASE'])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SUBDIRS([src/gtest])
# Environment
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
# Automake
AM_INIT_AUTOMAKE
AM_PROG_CC_C_O
AM_PROG_LIBTOOL
# enable make V=0 (if automake >1.11)
AM_INIT_AUTOMAKE([foreign])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# Platform
case "${target_os}" in
darwin*)
AC_DEFINE([DARWIN], [1], [Define if darwin/osx])
;;
linux*)
linux="yes"
;;
freebsd*)
freebsd="yes"
;;
esac
AM_CONDITIONAL(LINUX, test x"$linux" = x"yes")
AM_CONDITIONAL(FREEBSD, test x"$freebsd" = x"yes")
# Checks for programs.
AC_PROG_CXX
if test "$CXX" = no || test "$CXX:$GXX" = "g++:"; then
AC_MSG_ERROR([no C++ compiler found])
fi
#AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_LIBTOOL
# Compiler flags
AC_SUBST(AM_CXXFLAGS)
AM_CXXFLAGS="${AM_CXXFLAGS}"
# Checks for compiler warning types
# AC_CHECK_CC_FLAG(FLAG_TO_TEST, VARIABLE_TO_SET_IF_SUPPORTED)
# ---------
AC_DEFUN([AC_CHECK_CC_FLAG],
[{
AC_LANG_PUSH([C])
my_cflags_save="$CFLAGS"
CFLAGS="$my_cflags_save $1"
AC_MSG_CHECKING([whether $CC accepts $1])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ ]])],
[AC_MSG_RESULT([yes]); AC_SUBST([$2], ["$1"])],
[AC_MSG_RESULT([no])]
)
CFLAGS="$my_cflags_save"
AC_LANG_POP([C])
}])
AC_CHECK_CC_FLAG([-Wtype-limits], [WARN_TYPE_LIMITS])
AC_CHECK_CC_FLAG([-Wignored-qualifiers], [WARN_IGNORED_QUALIFIERS])
# Checks for libraries.
ACX_PTHREAD
AC_CHECK_LIB([uuid], [uuid_parse], [true], AC_MSG_FAILURE([libuuid not found]))
AC_CHECK_LIB([m], [pow], [true], AC_MSG_FAILURE([libm not found]))
AC_CHECK_LIB([resolv], [__res_nquery], [true], AC_MSG_FAILURE([libresolv not found]))
if test x"$linux" = x"yes"; then
AC_CHECK_LIB([keyutils], [add_key], [true], AC_MSG_FAILURE([libkeyutils not found]))
fi
AC_CHECK_FUNCS([syncfs], AC_DEFINE([HAVE_SYS_SYNCFS], [1], [we have syncfs]), [])
# Find some crypto library for us to use, while letting user to decide which one to use.
AC_ARG_WITH([cryptopp],
[AS_HELP_STRING([--with-cryptopp], [Use cryptographic functions from cryptopp])],
[],
[with_cryptopp=check])
have_cryptopp=no
# this looks clumsy but it's just if A then { success } else { if B then success }
AS_IF([test "x$with_cryptopp" != "xno"],
[PKG_CHECK_MODULES([CRYPTOPP],
[libcrypto++],
[have_cryptopp=yes],
[
AC_LANG_PUSH([C++])
SAVED_CXXFLAGS="${CXXFLAGS}"
SAVED_LIBS="${LIBS}"
LIBS="${LIBS} ${PTHREAD_LIBS}"
CXXFLAGS="${CXXFLAGS} ${PTHREAD_CFLAGS}"
AC_SEARCH_LIBS([_ZTIN8CryptoPP14CBC_EncryptionE], [crypto++ cryptopp],
[have_cryptopp=yes],
[true], [])
CRYPTOPP_LIBS="${ac_cv_search__ZTIN8CryptoPP14CBC_EncryptionE}"
LIBS="${SAVED_LIBS}"
CXXFLAGS="${SAVED_CXXFLAGS}"
AC_LANG_POP([C++])
])])
# bail out if given explicit --with-cryptopp
if test "x$have_cryptopp" = "xno" -a "x$with_cryptopp" != "xcheck" -a "x$with_cryptopp" != "xno"; then
AC_MSG_FAILURE([--with-cryptopp was given, but library was not found])
fi
AC_ARG_WITH([nss],
[AS_HELP_STRING([--with-nss], [Use cryptographic functions from nss])],
[],
[with_nss=check])
have_nss=no
AS_IF([test "x$with_nss" != "xno"],
[PKG_CHECK_MODULES([NSS], [nss], [have_nss=yes], [true])])
# bail out if given explicit --with-nss
if test "x$have_nss" = "xno" -a "x$with_nss" != "xcheck" -a "x$with_nss" != "xno"; then
AC_MSG_FAILURE([--with-nss was given, but library was not found])
fi
# now decide which crypto library to really use
if test "x$have_cryptopp" = "xyes"; then
AC_MSG_NOTICE([using cryptopp for cryptography])
AC_DEFINE([USE_CRYPTOPP], [1], [Define if using CryptoPP.])
AC_SUBST([CRYPTO_CFLAGS], [$CRYPTOPP_CFLAGS])
#AC_SUBST([CRYPTO_CXXFLAGS], [$CRYPTOPP_CXXFLAGS])
AM_CXXFLAGS="${AM_CXXFLAGS} ${CRYPTOPP_CXXFLAGS}"
AC_SUBST([CRYPTO_LIBS], [$CRYPTOPP_LIBS])
elif test "x$have_nss" = "xyes"; then
AC_MSG_NOTICE([using nss for cryptography])
AC_DEFINE([USE_NSS], [1], [Define if using NSS.])
AC_SUBST([CRYPTO_CFLAGS], [$NSS_CFLAGS])
# this needs CFLAGS too in practise to get the includes right. ugly.
#AC_SUBST([CRYPTO_CXXFLAGS], [$NSS_CFLAGS $NSS_CXXFLAGS])
AM_CXXFLAGS="${AM_CXXFLAGS} ${NSS_CFLAGS} ${NSS_CXXFLAGS}"
AC_SUBST([CRYPTO_LIBS], [$NSS_LIBS])
else
AC_MSG_FAILURE([no suitable crypto library found])
fi
# profiler?
AC_ARG_WITH([profiler],
[AS_HELP_STRING([--with-profiler], [build extra profiler binaries])],
[case "${withval}" in
yes) with_profiler=yes ;;
no) with_profiler=no ;;
*) AC_MSG_ERROR([bad value ${withval} for --with-profiler]) ;;
esac],
[with_profiler=no])
AS_IF([test "x$with_profiler" = xyes],
[AC_CHECK_LIB([profiler], [ProfilerFlush], [],
[AC_MSG_FAILURE([--with-profiler was given but libprofiler (libgoogle-perftools-dev on debian) not found])])],
[])
AM_CONDITIONAL(WITH_PROFILER, test "$with_profiler" = "yes")
AS_IF([test "$with_profiler" = "yes"],
[AC_DEFINE([HAVE_PROFILER], [1], [Define if you have perftools profiler enabled])],
[])
# debug crap?
AC_ARG_WITH([debug],
[AS_HELP_STRING([--with-debug], [build extra debug binaries])],
[case "${withval}" in
yes) with_debug=yes ;;
no) with_debug=no ;;
*) AC_MSG_ERROR([bad value ${withval} for --with-debug]) ;;
esac],
[with_debug=no])
AM_CONDITIONAL(WITH_DEBUG, test "$with_debug" = "yes")
AC_DEFINE([DEBUG_GATHER], [1], [Define if you want C_Gather debugging])
# code coverage?
AC_ARG_ENABLE([coverage],
[AS_HELP_STRING([--enable-coverage], [enable code coverage tracking])],
[],
[enable_coverage=no])
AM_CONDITIONAL(ENABLE_COVERAGE, test "x$enable_coverage" != xno)
if test "x$enable_coverage" != xno; then
AC_DEFINE([ENABLE_COVERAGE], [1], [Define if enabling coverage.])
fi
AC_SUBST(GCOV_PREFIX_STRIP, `echo $(pwd)/src | tr -dc / | wc -c`)
# radosgw?
AC_ARG_WITH([radosgw],
[AS_HELP_STRING([--with-radosgw], [build RADOS gateway])],
[],
[with_radosgw=check])
RADOSGW=0
AS_IF([test "x$with_radosgw" != xno],
[AC_CHECK_LIB([fcgi], [FCGX_Init],
[AC_CHECK_LIB([expat], [XML_Parse],
[AC_CHECK_LIB([curl], [curl_easy_init],
[RADOSGW=1
AC_CHECK_HEADER([fastcgi/fcgiapp.h],
[AC_DEFINE([FASTCGI_INCLUDE_DIR], [1], [FastCGI headers are in /usr/include/fastcgi])])
],
[if test "x$with_radosgw" != "xcheck"; then
AC_MSG_FAILURE([--with-radosgw was given but libcurl (libcurl-dev on debian) not found])
fi])
],
[if test "x$with_radosgw" != "xcheck"; then
AC_MSG_FAILURE([--with-radosgw was given but libexpat (libexpat1-dev on debian) not found])
fi])
],
[if test "x$with_radosgw" != "xcheck"; then
AC_MSG_FAILURE([--with-radosgw was given but libfcgi (libfcgi-dev on debian) not found])
fi])])
AM_CONDITIONAL(WITH_RADOSGW, test "$RADOSGW" = "1")
AS_IF([test "$RADOSGW" = "1"], [AC_DEFINE([WITH_RADOSGW], [1], [define if radosgw enabled])])
# fuse?
AC_ARG_WITH([fuse],
[AS_HELP_STRING([--without-fuse], [disable FUSE userspace client])],
[],
[with_fuse=yes])
LIBFUSE=
AS_IF([test "x$with_fuse" != xno],
[AC_CHECK_LIB([fuse], [fuse_main],
[AC_SUBST([LIBFUSE], ["-lfuse"])
AC_DEFINE([HAVE_LIBFUSE], [1],
[Define if you have fuse])
HAVE_LIBFUSE=1
# look for fuse_getgroups and define FUSE_GETGROUPS if found
AC_CHECK_FUNCS([fuse_getgroups])
],
[AC_MSG_FAILURE(
[no FUSE found (use --without-fuse to disable)])])])
AM_CONDITIONAL(WITH_FUSE, [test "$HAVE_LIBFUSE" = "1"])
# tcmalloc?
AC_ARG_WITH([tcmalloc],
[AS_HELP_STRING([--without-tcmalloc], [disable tcmalloc for memory allocations])],
[],
[with_tcmalloc=yes])
TCMALLOC=
AS_IF([test "x$with_tcmalloc" != xno],
[AC_CHECK_LIB([tcmalloc], [malloc],
[AC_SUBST([LIBTCMALLOC], ["-ltcmalloc"])
AC_DEFINE([HAVE_LIBTCMALLOC], [1],
[Define if you have tcmalloc])
HAVE_LIBTCMALLOC=1
],
[AC_MSG_FAILURE(
[no tcmalloc found (use --without-tcmalloc to disable)])])])
AM_CONDITIONAL(WITH_TCMALLOC, [test "$HAVE_LIBTCMALLOC" = "1"])
#
# Java is painful
# - adapted from OMPI wrappers package
# - this might become bigger. maybe should be own m4 file
#
AC_ARG_ENABLE(cephfs-java,
[AC_HELP_STRING([--enable-cephfs-java], [build libcephfs Java bindings])],
[], [enable_cephfs_java=no])
AM_CONDITIONAL(ENABLE_CEPHFS_JAVA, [test "x$enable_cephfs_java" = "xyes"])
AC_ARG_WITH(jdk-dir,
AC_HELP_STRING([--with-jdk-dir(=DIR)], [Path to JDK directory]))
if test "x$enable_cephfs_java" = "xyes"; then
# setup bin/include dirs from --with-jdk-dir (search for jni.h, javac)
AS_IF([test -n "$with_jdk_dir"], [
javac_prog=`find $with_jdk_dir/ -name javac | head -n 1`
AS_IF([test -x "$javac_prog"], [
EXTRA_JDK_BIN_DIR=`dirname $javac_prog`])
jnih=`find $with_jdk_dir/ -name jni.h | head -n 1`
AS_IF([test -r "$jnih"], [
EXTRA_JDK_INC_DIR=`dirname $jnih`])])
# setup defaults for Debian default-jdk package (without --with-jdk-dir)
AS_IF([test -z "$with_jdk_dir"], [
# This works with Debian's default-jdk package
dir='/usr/lib/jvm/default-java/'
javac_prog=`find $dir -name javac | head -n 1`
AS_IF([test -x "$javac_prog"], [
EXTRA_JDK_BIN_DIR=`dirname $javac_prog`])
jnih=`find $dir -name jni.h | head -n 1`
AS_IF([test -r "$jnih"], [
EXTRA_JDK_INC_DIR=`dirname $jnih`])])
# cephfs_java_test only makes sense if java is already turned on
# setup CLASSPATH for Debian default junit4.jar package
#
# Configuring --with-debug and --enable-cephfs-java will throw an error if
# JUnit4 cannot be found. While currently this works for users who have
# installed via the package manager on Ubuntu, we need to expand this
# check to 1 support other distrubtions and 2 allow users to influence
# the search path.
AS_IF([test "x$with_debug" = "xyes"], [
dir='/usr/share/java'
junit4_jar=`find $dir -name junit4.jar | head -n 1`
AS_IF([test -r "$junit4_jar"], [
EXTRA_CLASSPATH_JAR=`dirname $junit4_jar`/junit4.jar
AC_SUBST(EXTRA_CLASSPATH_JAR)
[have_junit4=1]], [
AC_MSG_NOTICE([Cannot find junit4.jar (apt-get install junit4)])
[have_junit4=0]])])
AC_CHECK_CLASSPATH
AC_PROG_JAVAC
AC_PROG_JAVAH
AC_PROG_JAR
CLASSPATH=$CLASSPATH:$EXTRA_CLASSPATH_JAR
export CLASSPATH
AC_MSG_NOTICE([classpath - $CLASSPATH])
AS_IF([test "$have_junit4" = "1"], [
AC_CHECK_CLASS([org.junit.rules.ExternalResource], [], [
AC_MSG_NOTICE(Could not find org.junit.rules.ExternalResource)
have_junit4=0])])
# Check for jni.h
CPPFLAGS_save=$CPPFLAGS
AS_IF([test -n "$EXTRA_JDK_INC_DIR"],
[JDK_CPPFLAGS="-I$EXTRA_JDK_INC_DIR"
AS_IF([test -d "$EXTRA_JDK_INC_DIR/linux"],
[JDK_CPPFLAGS="$JDK_CPPFLAGS -I$EXTRA_JDK_INC_DIR/linux"])
CPPFLAGS="$CPPFLAGS $JDK_CPPFLAGS"])
AC_CHECK_HEADER([jni.h], [], AC_MSG_ERROR([Cannot find header 'jni.h'. Try setting --with-jdk-dir]))
CPPFLAGS=$CPPFLAGS_save
# Setup output var
AC_SUBST(JDK_CPPFLAGS)
fi
AM_CONDITIONAL(HAVE_JUNIT4, [test "$have_junit4" = "1"])
# jni?
# clear cache (from java above) -- this whole thing will get
# folded into the bigger java package later -- for now maintain
# backward compat
AS_UNSET(ac_cv_header_jni_h)
AC_ARG_WITH([hadoop],
[AS_HELP_STRING([--with-hadoop], [build hadoop client])],
[],
[with_hadoop=check])
AS_IF([test "x$with_hadoop" != xno],
[AC_CHECK_HEADER([jni.h],
[HAVE_JNI=1],
[if test "x$with_hadoop" != xcheck; then
AC_MSG_FAILURE(
[--with-hadoop was given but jni.h not found])
fi
])])
AM_CONDITIONAL(WITH_HADOOPCLIENT, [test "$HAVE_JNI" = "1"])
#
# FreeBSD has it in base.
#
if test x"$freebsd" != x"yes"; then
PKG_CHECK_MODULES([LIBEDIT], [libedit >= 2.11],
[], AC_MSG_FAILURE([No usable version of libedit found.]))
else
LIBEDIT_LIBS="-ledit"
fi
#libatomic-ops? You want it!
AC_ARG_WITH([libatomic-ops],
[AS_HELP_STRING([--without-libatomic-ops],
[disable libatomic-ops for the atomic_t type])],
[],
[with_libatomic_ops=yes])
AS_IF([test "x$with_libatomic_ops" != xno],
[AC_CHECK_HEADER([atomic_ops.h],
[HAVE_ATOMIC_OPS=1],
[AC_MSG_FAILURE(
[no libatomic-ops found (use --without-libatomic-ops to disable)])
])])
AS_IF([test "$HAVE_ATOMIC_OPS" = "1"],
[],
[AC_DEFINE([NO_ATOMIC_OPS], [1], [Defined if you do not have atomic_ops])])
AM_CONDITIONAL(WITH_LIBATOMIC, [test "$HAVE_ATOMIC_OPS" = "1"])
# newsyn? requires mpi.
#AC_ARG_WITH([newsyn],
# [AS_HELP_STRING([--with-newsyn], [build newsyn target requires mpi])],
# [],
# [with_newsyn=no])
AC_ARG_WITH([ocf],
[AS_HELP_STRING([--with-ocf], [build OCF-compliant cluster resource agent])],
,
[with_ocf=no])
AM_CONDITIONAL(WITH_OCF, [ test "$with_ocf" = "yes" ])
# check is snappy-devel is installed, needed by leveldb
AC_CHECK_LIB([snappy], [snappy_compress], [], [AC_MSG_FAILURE([libsnappy not found])])
# use system leveldb
AC_CHECK_LIB([leveldb], [leveldb_open], [], [AC_MSG_FAILURE([libleveldb not found])], [-lsnappy -lpthread])
# see if we can use bloom filters with leveldb
AC_LANG_PUSH([C++])
AC_CHECK_HEADER([leveldb/filter_policy.h], [AC_DEFINE([HAVE_LEVELDB_FILTER_POLICY], [1], [Defined if LevelDB supports bloom filters ])])
AC_LANG_POP([C++])
# use system libs3?
AC_ARG_WITH([system-libs3],
[AS_HELP_STRING([--with-system-libs3], [use system libs3])],
,
[with_system_libs3=no])
AS_IF([test "x$with_system_libs3" = xyes],
[AC_CHECK_LIB([s3], [S3_initialize], [true], [AC_MSG_FAILURE([libs3 not found])], [-lpthread])])
AS_IF([test "x$with_system_libs3" = xcheck],
[AC_SEARCH_LIBS([S3_initialize], [s3], [with_system_libs3=yes], [true], [-lpthread])])
AM_CONDITIONAL(WITH_SYSTEM_LIBS3, [ test "$with_system_libs3" = "yes" ])
# rest-bench?
AC_ARG_WITH([rest-bench],
[AS_HELP_STRING([--with-rest-bench], [enables rest-bench])],
[],
[with_rest_bench=no])
AM_CONDITIONAL(WITH_REST_BENCH, [ test "$with_rest_bench" = "yes" ])
# use libaio?
AC_ARG_WITH([libaio],
[AS_HELP_STRING([--without-libaio], [disable libaio use by journal])],
,
[with_libaio=yes])
AS_IF([test "x$with_libaio" != xno],
[AC_CHECK_LIB([aio], [io_submit], [true], AC_MSG_FAILURE([libaio not found]))])
AS_IF([test "x$with_libaio" != xno],
[AC_CHECK_HEADER([libaio.h])])
AS_IF([test "$with_libaio" = "yes"],
[AC_DEFINE([HAVE_LIBAIO], [1], [Defined if you don't have atomic_ops])])
AM_CONDITIONAL(WITH_LIBAIO, [ test "$with_libaio" = "yes" ])
# Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
# spirit?
AC_LANG([C++])
AC_CHECK_HEADER([boost/spirit/include/classic_core.hpp], [],
[AC_CHECK_HEADER([boost/spirit.hpp], [use_bspirit_old_hdr=yes],
AC_MSG_FAILURE(["Can't find boost spirit headers"]))])
AM_CONDITIONAL(USE_BOOST_SPIRIT_OLD_HDR, [test "$use_bspirit_old_hdr" = "yes"])
AC_CHECK_HEADER([boost/random/discrete_distribution.hpp],
[AC_DEFINE([HAVE_BOOST_RANDOM_DISCRETE_DISTRIBUTION], [], [have boost::random::discrete_distribution])],
[])
AC_CHECK_HEADER([boost/statechart/state.hpp], [],
AC_MSG_FAILURE(["Can't find boost statechart headers; need 1.34 or later"]))
AC_CHECK_HEADER([boost/program_options/option.hpp], [],
AC_MSG_FAILURE(["Can't find boost program_options headers"]))
# If we have the boost system library installed, then we may want to link
# with it.
AC_CHECK_LIB(boost_system-mt, main, [],
[AC_CHECK_LIB(boost_system, main, [],
AC_MSG_NOTICE(["Boost system library not found."]))])
# Find the right boost_thread library.
AC_CHECK_LIB(boost_thread-mt, main, [],
[AC_CHECK_LIB(boost_thread, main, [],
AC_MSG_FAILURE(["Boost thread library not found."]))])
AC_LANG([C])
AC_CHECK_MEMBER([struct fiemap_extent.fe_logical],
[AC_DEFINE([HAVE_FIEMAP_H], [], [linux/fiemap.h was found, fiemap ioctl will be used])],
[AC_MSG_NOTICE([linux/fiemap.h was not found or not usable; using local Ceph copy])],
[[#include <linux/fiemap.h>]])
AC_CHECK_HEADERS([sys/xattr.h arpa/inet.h netdb.h netinet/in.h sys/file.h sys/ioctl.h sys/mount.h sys/param.h sys/socket.h sys/statvfs.h sys/time.h sys/vfs.h syslog.h utime.h])
# sync_file_range
AC_CHECK_FUNC([sync_file_range],
[AC_DEFINE([HAVE_SYNC_FILE_RANGE], [], [sync_file_range(2) is supported])],
[])
# fallocate
AC_CHECK_FUNC([fallocate],
[AC_DEFINE([CEPH_HAVE_FALLOCATE], [], [fallocate(2) is supported])],
[])
# Checks for typedefs, structures, and compiler characteristics.
#AC_HEADER_STDBOOL
#AC_C_CONST
#AC_TYPE_UID_T
#AC_C_INLINE
#AC_TYPE_INT16_T
#AC_TYPE_INT32_T
#AC_TYPE_INT64_T
#AC_TYPE_INT8_T
#AC_TYPE_MODE_T
#AC_TYPE_OFF_T
#AC_TYPE_PID_T
#AC_TYPE_SIZE_T
#AC_TYPE_SSIZE_T
#AC_CHECK_MEMBERS([struct stat.st_blksize])
#AC_STRUCT_ST_BLOCKS
#AC_CHECK_MEMBERS([struct stat.st_rdev])
#AC_HEADER_TIME
#AC_STRUCT_TM
#AC_TYPE_UINT16_T
#AC_TYPE_UINT32_T
#AC_TYPE_UINT64_T
#AC_TYPE_UINT8_T
# Checks for library functions.
#AC_FUNC_CHOWN
#AC_FUNC_CLOSEDIR_VOID
#AC_FUNC_ERROR_AT_LINE
#AC_FUNC_FORK
#AC_PROG_GCC_TRADITIONAL
#AC_FUNC_LSTAT
#AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
#AC_FUNC_MALLOC # this causes annoying rpl_malloc error on some machines; skip it
#AC_FUNC_MEMCMP
#AC_FUNC_MMAP
#AC_FUNC_REALLOC
#AC_FUNC_SELECT_ARGTYPES
#AC_TYPE_SIGNAL
#AC_FUNC_STAT
#AC_FUNC_UTIME_NULL
#AC_CHECK_FUNCS([bzero fchdir fdatasync floor ftruncate getcwd gethostbyname gethostname gettimeofday inet_ntoa localtime_r memmove memset mkdir munmap pow rmdir select socket sqrt strcasecmp strchr strerror strstr utime])
AM_CONDITIONAL(WITH_BUILD_TESTS, test "$WITH_BUILD_TESTS" = "1")
AM_PATH_PYTHON([2.4],
[], [AC_MSG_FAILURE([Failed to find Python 2.4 or newer])])
AC_CONFIG_HEADERS([src/acconfig.h])
AC_CONFIG_FILES([Makefile
src/Makefile
src/ocf/Makefile
src/ocf/ceph
src/ocf/rbd
src/java/Makefile
man/Makefile
ceph.spec])
AC_OUTPUT