configure.ac
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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.59])
AC_INIT([clsync],[0.4.1],[Dmitry Yu Okunev <dyokunev@ut.mephi.ru>],,[https://github.com/xaionaro/clsync])
AC_CONFIG_SRCDIR([sync.c])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([1.11 foreign -Wall -Wno-portability])
AC_CONFIG_HEADERS([config.h])
AC_PROG_CC([gcc cc])
AM_PROG_CC_C_O
AC_PROG_CC_STDC
AC_CONFIG_MACRO_DIR([m4])
AC_PROG_LIBTOOL
AM_PROG_LIBTOOL
LT_INIT
PKG_INSTALLDIR
AC_CANONICAL_HOST
m4_include(m4/ax_pthread.m4)
AX_PTHREAD(
[
CC="$PTHREAD_CC"
LIBS="$LIBS $PTHREAD_LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LDFLAGS="$LDFLAGS $PTHREAD_LDFLAGS"
], [
AC_MSG_ERROR([Pthread library not found. Please set PTHREAD_CFLAGS and PTHREAD_LIBS correctly for your setup])
]
)
HAVE_BACKTRACE=1
case $host_os in
*bsd*)
AC_SEARCH_LIBS([backtrace], [execinfo], [],
[HAVE_BACKTRACE=])
;;
esac
dnl --enable-clsync
AC_ARG_ENABLE(clsync,
AS_HELP_STRING(--disable-clsync,
[do not build clsync binary, default: build clsync]))
AM_CONDITIONAL([CLSYNC], [test "x$enable_clsync" != "xno"])
dnl check for glibc only if clsync is being build
AS_IF([test "x$enable_clsync" != "xno"], [
PKG_CHECK_MODULES(GLIB, [glib-2.0])
])
dnl --enable-cluster
AC_ARG_ENABLE(cluster,
AS_HELP_STRING(--enable-cluster,
[enable clustering support (not yet implemented), default: no]))
AS_IF([test "x$enable_cluster" = "xyes"], [CPPFLAGS="${CPPFLAGS} -DCLUSTER_SUPPORT"
dnl mhash check
AC_ARG_WITH(mhash,
AS_HELP_STRING(--with-mhash,
[use mhash instead of internal version of hash algo, default: enabled]))
AS_IF([test "x$with_mhash" = "xno"], [], [
AC_CHECK_HEADER([mhash.h], [], [AC_MSG_ERROR("Unable to find mhash.h")])
AC_SEARCH_LIBS([mhash_init], [mhash], [CPPFLAGS="${CPPFLAGS} -DHAVE_MHASH"],
[AC_MSG_ERROR("Unable to find libmhash")])
])
])
dnl --enable-socket
AC_ARG_ENABLE(socket,
AS_HELP_STRING(--enable-socket,
[enable control socket support, default: no]))
AS_IF([test "x$enable_socket" = "xyes"],
[CPPFLAGS="${CPPFLAGS} -DENABLE_SOCKET"])
AM_CONDITIONAL([SOCKET], [test "x$enable_socket" = "xyes"])
dnl --enable-libclsync
AC_ARG_ENABLE(socket-library,
AS_HELP_STRING(--enable-socket-library,
[build libclsync socket library, default: no]))
AM_CONDITIONAL([LIBCLSYNC], [test "x$enable_socket_library" = "xyes"])
dnl --enable-unshare
AC_ARG_ENABLE(unshare,
AS_HELP_STRING(--disable-unshare,
[disable support of unshare(), default: enabled]))
AS_IF([ test "x$enable_unshare" != "xno" ],
[
AC_CHECK_FUNC([unshare], [HAVE_UNSHARE=1])
])
dnl --enable-highload-locks
AC_ARG_ENABLE(highload-locks,
AS_HELP_STRING(--disable-highload-locks,
[disable locks for high loaded instances with --splitting={thread,process} [which are not enough tested and can cause deadlocks with 100% CPU utilization]]))
AM_CONDITIONAL([HLLOCKS], [test "x$enable_highload_locks" != "xno"])
dnl --enable-debug
AC_ARG_ENABLE(debug,
AS_HELP_STRING(--enable-debug,
[enable debugging support, default: yes; value: no, yes, force]),
[case "${enableval}" in
(0|"no") debug=0 ;;
(1|"yes") debug=1 ;;
(2|"force") debug=2 ;;
(*) AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
esac],
[debug=1])
AS_IF([ test "$debug" -ge 1 ],
[CFLAGS="${CFLAGS} -pipe -Wall -O0 -ggdb3" CPPFLAGS="${CPPFLAGS} -D_DEBUG_SUPPORT"])
AS_IF([ test "$debug" -ge 2 ],
[CPPFLAGS="${CPPFLAGS} -D_DEBUG_FORCE"])
dnl --paranoid
AC_ARG_ENABLE(paranoid,
AS_HELP_STRING([--enable-paranoid],
[set paranoid level of code security, default: 1, values: 0, 1, 2]),
[case "${enableval}" in
(0|"no") paranoid=0 ;;
(1|"yes") paranoid=1 ;;
(2) paranoid=2 ;;
(*) AC_MSG_ERROR([bad value ${enableval} for --enable-paranoid]) ;;
esac],
[paranoid=1])
AS_IF(
[test $paranoid -ge 1],
[
CPPFLAGS="${CPPFLAGS} -D_FORTIFY_SOURCE=2 -DPARANOID"
CFLAGS="${CFLAGS} -fstack-protector-all -Wall --param ssp-buffer-size=4"
LDFLAGS="${LDFLAGS} -Xlinker -zrelro"
AX_CHECK_COMPILE_FLAG([-fstack-check], [CFLAGS="${CFLAGS} -fstack-check"])
]
)
AS_IF([test $paranoid -eq 2], [CPPFLAGS="${CPPFLAGS} -DVERYPARANOID"])
dnl searching for seccomp
AC_ARG_ENABLE(seccomp,
AS_HELP_STRING(--enable-seccomp,
[Enable seccomp support be able to forbid extra syscalls; values: no, check, yes; default: check]),
,
[enable_seccomp=check]
)
case "$enable_seccomp" in
yes)
AC_CHECK_TYPES([struct seccomp_data], [HAVE_SECCOMP=1], [AC_MSG_FAILURE([Cannot find valid linux/seccomp.h])], [[#include <linux/seccomp.h>]])
;;
check)
AC_CHECK_TYPES([struct seccomp_data], [HAVE_SECCOMP=1], , [[#include <linux/seccomp.h>]])
;;
esac
dnl capabilities check
AC_ARG_ENABLE(capabilities,
AS_HELP_STRING(--enable-capabilities,
[Enable linux capabilities support; values: no, check, yes; default: check]),
,
[enable_capabilities=check]
)
case "$enable_capabilities" in
yes)
AC_CHECK_FUNC([capset],
[
AC_CHECK_HEADER(sys/capability.h, [HAVE_CAPABILITIES=2], [AC_MSG_FAILURE([Cannot find sys/capability.h])])
],
[
AC_MSG_FAILURE([There is no capabilities support on this system])
]
)
;;
check)
AC_CHECK_FUNC([capset],
[
AC_CHECK_HEADER(sys/capability.h, [HAVE_CAPABILITIES=2])
]
)
;;
esac
# Checks for programs.
AC_PROG_CC_C99
AC_PROG_INSTALL
PKG_PROG_PKG_CONFIG([0.20])
# Checks for libraries.
dnl libdl
AC_CHECK_HEADER([dlfcn.h], [], [AC_MSG_ERROR("Unable to find dlfcn.h")])
AC_SEARCH_LIBS([dlopen], [dl], [LDFLAGS="${LDFLAGS} -rdynamic"],
[AC_MSG_ERROR("Unable to find libdl")])
dnl -lrt is needed on < glibc-2.17
AC_SEARCH_LIBS([clock_getres], [rt], [],
[AC_MSG_ERROR("Unable to find librt; clock_getres() is needed")])
dnl searching for getmntent
AC_CHECK_FUNC([getmntent], [HAVE_GETMNTENT=1])
dnl searching for pivot_root
AC_CHECK_FUNC([pivot_root], [HAVE_PIVOTROOT=1])
dnl libcgroup check
AC_ARG_WITH(libcgroup,
AS_HELP_STRING(--with-libcgroup,
[Enable cgroup support via libcgroup; values: no, check, yes; default: check]),
,
[with_libcgroup=check]
)
case "$with_libcgroup" in
yes)
AC_CHECK_LIB([cgroup], [cgroup_init],
[
AC_CHECK_HEADER(libcgroup.h, [], [AC_MSG_FAILURE([Cannot find libcgroup.h])])
LDFLAGS="${LDFLAGS} -lcgroup"
HAVE_LIBCGROUP=1
],
[
AC_MSG_FAILURE(
[Cannot find libcgroup])
]
)
;;
check)
AC_CHECK_LIB([cgroup], [cgroup_init],
[
AC_CHECK_HEADER(libcgroup.h, [], [AC_MSG_FAILURE([Cannot find libcgroup.h])])
LDFLAGS="${LDFLAGS} -lcgroup"
HAVE_LIBCGROUP=1
]
)
;;
esac
dnl tre check
#AC_ARG_WITH(tre,
# AS_HELP_STRING(--with-tre,
# [Enable tre support be able to predict which directories should be scanned for excludes; values: no, check, yes; default: check]),
# [],
# [with_tre=check]
#)
#
#case "$with_tre" in
# yes)
# AC_CHECK_LIB([tre], [tre_regaexec],
# [
# AC_CHECK_HEADER(tre/tre.h, [], [AC_MSG_FAILURE([Cannot find tre/tre.h])])
# LDFLAGS="${LDFLAGS} -ltre"
# HAVE_TRE=1
# ],
# [
# AC_MSG_FAILURE(
# [Cannot find libtre])
# ]
# )
# ;;
# check)
# AC_CHECK_LIB([tre], [tre_regaexec],
# [
# AC_CHECK_HEADER(tre/tre.h, [], [AC_MSG_FAILURE([Cannot find tre/tre.h])])
# LDFLAGS="${LDFLAGS} -ltre"
# HAVE_TRE=1
# ],
# []
# )
# ;;
#esac
dnl kqueue/inotify/gio/bsm
AC_ARG_WITH(kqueue,
AS_HELP_STRING(--with-kqueue,
[Enable kqueue support; values: no, native, lib, check; default: check]),
[],
[with_kqueue=check]
)
AC_ARG_WITH(inotify,
AS_HELP_STRING(--with-inotify,
[Enable inotify support; values: no, native, lib, check; default: check]),
[],
[with_inotify=check]
)
AC_ARG_WITH(gio,
AS_HELP_STRING(--with-gio,
[Enable GIO support as FS monitor subsystem; values: no, lib, check; default: check]),
[],
[with_gio=check]
)
AC_ARG_WITH(bsm,
AS_HELP_STRING(--with-bsm,
[Enable BSM (Sun/*BSD audit) support as FS monitor subsystem; values: no, lib, check; default: check]),
[],
[with_bsm=check]
)
case "$with_kqueue" in
check)
AC_CHECK_FUNC([kqueue],
[
HAVE_KQUEUE=2
],
[
AC_CHECK_LIB([kqueue], [kqueue],
[
AC_CHECK_HEADER(sys/event.h, [
LDFLAGS="${LDFLAGS} -lkqueue"
HAVE_KQUEUE=1
])
]
)
]
)
;;
native)
AC_CHECK_FUNC([kqueue],
[
AC_CHECK_HEADER(sys/event.h, , [AC_MSG_FAILURE([Cannot find sys/event.h])])
HAVE_KQUEUE=2
],
[
AC_MSG_FAILURE(
[There is no kqueue native support on this system])
]
)
;;
lib)
AC_CHECK_LIB([kqueue], [kqueue],
[
AC_CHECK_HEADER(sys/event.h, , [AC_MSG_FAILURE([Cannot find sys/event.h])])
LDFLAGS="${LDFLAGS} -lkqueue"
HAVE_KQUEUE=1
],
[
AC_MSG_FAILURE(
[Cannot find libkqueue])
]
)
;;
esac
case "$with_inotify" in
check)
AC_CHECK_FUNC([inotify_init],
[
HAVE_INOTIFY=2
],
[
AC_CHECK_LIB([inotify], [inotify_init],
[
AC_CHECK_HEADER(sys/inotify.h, [
LDFLAGS="${LDFLAGS} -linotify"
HAVE_INOTIFY=1
])
]
)
]
)
;;
native)
AC_CHECK_FUNC([inotify_init],
[
AC_CHECK_HEADER(sys/inotify.h, [], [AC_MSG_FAILURE([Cannot find sys/inotify.h])])
HAVE_INOTIFY=2
],
[
AC_MSG_FAILURE(
[There is no inotify native support on this system])
]
)
;;
lib)
AC_CHECK_LIB([inotify], [inotify_init],
[
AC_CHECK_HEADER(sys/inotify.h, [], [AC_MSG_FAILURE([Cannot find sys/inotify.h])])
LDFLAGS="${LDFLAGS} -linotify"
HAVE_INOTIFY=1
],
[
AC_MSG_FAILURE(
[Cannot find libinotify])
]
)
;;
esac
case "$with_gio" in
check)
PKG_CHECK_MODULES(GIO, [gio-2.0], [
HAVE_GIO=1
AC_SUBST([GIO_CFLAGS])
AC_SUBST([GIO_LIBS])
])
;;
lib)
PKG_CHECK_MODULES(GIO, [gio-2.0], [
HAVE_GIO=1
AC_SUBST([GIO_CFLAGS])
AC_SUBST([GIO_LIBS])
], [
AC_MSG_FAILURE([Cannot find libgio-2.0])
])
;;
esac
case "$with_bsm" in
check)
AC_CHECK_FUNC([au_fetch_tok],
[
HAVE_BSM=2
],
[
AC_CHECK_LIB([bsm], [au_fetch_tok],
[
AC_CHECK_HEADER(bsm/libbsm.h, [
LDFLAGS="${LDFLAGS} -lbsm"
HAVE_BSM=1
])
]
)
]
)
;;
lib)
AC_CHECK_LIB([bsm], [au_fetch_tok],
[
AC_CHECK_HEADER(bsm/libbsm.h, [], [AC_MSG_FAILURE([Cannot find bsm/libbsm.h])])
LDFLAGS="${LDFLAGS} -lbsm"
HAVE_BSM=1
],
[
AC_MSG_FAILURE(
[Cannot find libbsm])
]
)
;;
esac
#AC_CHECK_PROG([HAVE_DTRACEPIPE], [dtrace], [found])
AS_IF([test "$HAVE_INOTIFY" != ""], [AC_CHECK_FUNC([inotify_init1], [], [INOTIFY_OLD=1])])
AM_CONDITIONAL([HAVE_KQUEUE], [test "x$HAVE_KQUEUE" != "x"])
AM_CONDITIONAL([HAVE_INOTIFY], [test "x$HAVE_INOTIFY" != "x"])
AM_CONDITIONAL([INOTIFY_OLD], [test "x$INOTIFY_OLD" != "x"])
AM_CONDITIONAL([HAVE_FANOTIFY], [test "x$HAVE_FANOTIFY" != "x"])
AM_CONDITIONAL([HAVE_BSM], [test "x$HAVE_BSM" != "x"])
AM_CONDITIONAL([HAVE_GIO], [test "x$HAVE_GIO" != "x"])
AM_CONDITIONAL([HAVE_DTRACEPIPE], [test "x$HAVE_DTRACEPIPE" != "x"])
AM_CONDITIONAL([HAVE_BACKTRACE], [test "x$HAVE_BACKTRACE" != "x"])
AM_CONDITIONAL([HAVE_CAPABILITIES], [test "x$HAVE_CAPABILITIES" != "x"])
AM_CONDITIONAL([HAVE_GETMNTENT], [test "x$HAVE_GETMNTENT" != "x"])
AM_CONDITIONAL([HAVE_PIVOTROOT], [test "x$HAVE_PIVOTROOT" != "x"])
AM_CONDITIONAL([HAVE_UNSHARE], [test "x$HAVE_UNSHARE" != "x"])
AM_CONDITIONAL([HAVE_SECCOMP], [test "x$HAVE_SECCOMP" != "x"])
AM_CONDITIONAL([HAVE_TRE], [test "x$HAVE_TRE" != "x"])
AM_CONDITIONAL([HAVE_LIBCGROUP], [test "x$HAVE_LIBCGROUP" != "x"])
AS_IF([test "$HAVE_KQUEUE" = '' -a "$HAVE_INOTIFY" = '' -a "$HAVE_FANOTIFY" = '' -a "$HAVE_BSM" = '' -a "$HAVE_GIO" = ''],
[AC_MSG_FAILURE([At least one monitoring engine must be enabled!
Available (depending on system): inotify, kqueue, gio, bsm])])
LIBS="${GLIB_LIBS} ${LIBS}"
AM_CPPFLAGS="${GLIB_CFLAGS}"
AC_SUBST(AM_CPPFLAGS)
AC_CONFIG_FILES([Makefile examples/Makefile pkgconfig/libclsync.pc])
AC_OUTPUT