AC_INIT(src/noitd.c)

node=`hostname | cut -f1 -d '.' | tr '[A-Z]' '[a-z]'`
if test -f ".configure.$node"; then
	echo "***********************************************************"
        echo "* Loading node specific configure settings for $node."
	echo "***********************************************************"
	. ./.configure.$node
fi

AC_CANONICAL_HOST
AC_CONFIG_HEADER(src/noit_config.h)
AC_CONFIG_HEADER(src/jlog/jlog_config.h)

AC_PROG_CC
AC_C_INLINE
AC_C_BIGENDIAN
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PATH_PROG(AR, ar)
AC_PATH_PROGS(PERL, perl)
AC_PATH_PROGS(XSLTPROC, xsltproc)
AC_PATH_PROGS(XMLLINT, xmllint)
AC_PATH_PROG(NROFF, nroff)
AC_SUBST(PERL)

if test "x$CC" = "xgcc" ; then
  CFLAGS="$CFLAGS -g -Wall"
else
  CFLAGS="$CFLAGS -g"
fi

CPPFLAGS="$CPPFLAGS "'-I$(top_srcdir)/src'

case $host in
*-*-darwin*)
	PICFLAGS="-fPIC"
	MODULELD="$CC -bundle -flat_namespace -undefined suppress"
	SHLD="$CC -dynamiclib -flat_namespace -undefined suppress"
	MODULEEXT=bundle
	RLDFLAG="-Wl,--rpath="
	;;
*-*-solaris*)
	AC_MSG_CHECKING([32 or 64 bit Solaris assembly])
	if test -n "`echo $CFLAGS | grep m64`"; then
		AC_MSG_RESULT([64])
		ATOMIC_OBJS="noit_atomic_sol_x86_64.o"
	else
		AC_MSG_RESULT([32])
		ATOMIC_OBJS="noit_atomic_sol_x86_32.o"
	fi
	PICFLAGS="-Kpic"
	MODULELD="$CC -G"
	SHLD="$CC -G"
	MODULEEXT=so
	RLDFLAG="-R"
	WHOLE_ARCHIVE="-Wl,-z -Wl,allextract"
	NOWHOLE_ARCHIVE="-Wl,-z -Wl,defaultextract"
	;;
*-*-openbsd*)
	PICFLAGS="-fpic"
	LDFLAGS="$LDFLAGS -Wl,-E"
	MODULELD="$CC -shared"
	SHLD="$CC -shared"
	MODULEEXT=so
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	CFLAGS="$CFLAGS -I/usr/local/include"
	RLDFLAG="-Wl,--rpath="
	WHOLE_ARCHIVE="-Wl,--whole-archive"
	NOWHOLE_ARCHIVE="-Wl,--no-whole-archive"
	;;
*-*-linux*)
	LDFLAGS="$LDFLAGS -Wl,-E"
	CPPFLAGS="$CPPFLAGS"
	PICFLAGS="-fpic"
	MODULELD="$CC -shared"
	SHLD="$CC -shared"
	MODULEEXT=so
	RLDFLAG="-Wl,--rpath="
	WHOLE_ARCHIVE="-Wl,--whole-archive"
	NOWHOLE_ARCHIVE="-Wl,--no-whole-archive"
	;;
*)
	PICFLAGS="-fpic"
	MODULELD="$CC -shared"
	MODULEEXT=so
	RLDFLAG="-Wl,--rpath="
	;;
esac
AC_SUBST(SHLD)
AC_SUBST(RLDFLAG)
AC_SUBST(MODULELD)
AC_SUBST(MODULEEXT)
AC_SUBST(WHOLE_ARCHIVE)
AC_SUBST(NOWHOLE_ARCHIVE)
AC_SUBST(ATOMIC_OBJS)
AC_DEFINE_UNQUOTED(MODULEEXT, "$MODULEEXT", [module extension])

# Checks for data types
AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(short int, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long int, 4)
AC_CHECK_SIZEOF(long long int, 8)
AC_CHECK_SIZEOF(void *, 1)

AC_CHECK_LIB(z, compress2, , [AC_MSG_ERROR(*** zlib is required ***)])
AC_CHECK_LIB(rt, sem_init, , )
AC_CHECK_LIB(posix4, sem_wait, , )
AC_CHECK_LIB(pthread, pthread_create, , )
AC_CHECK_LIB(uuid, uuid_generate, , [AC_MSG_ERROR(*** uuid is required ***)])
# Some libraries provide an unparse_lower command
# we use that, so if it isn't present, we'll need
# to implement it.
AC_CHECK_FUNC(uuid_unparse_lower, [AC_DEFINE(HAVE_UUID_UNPARSE_LOWER)], )
AC_CHECK_LIB(util, openpty, , )
AC_CHECK_LIB(termcap, tputs, , )
AC_CHECK_LIB(curses, clear, , [AC_MSG_ERROR([curses not found, but required])])

CPPFLAGS="$CPPFLAGS `pcre-config --cflags`"
LDFLAGS="$LDFLAGS `pcre-config --libs`"
AC_CHECK_LIB(pcre, pcre_compile, ,
	[
		AC_MSG_ERROR([libpcre not found, but required])
	]
)
AC_CHECK_LIB(crypto, ERR_load_CRYPTO_strings, ,
	[
		AC_MSG_ERROR([libcrypto not found, but required])
	]
)
AC_CHECK_LIB(ssl, SSL_library_init, ,
	[
		AC_MSG_ERROR([libssl not found, but required])
	]
)

old_LIBS=$LIBS
old_CFLAGS=$CFLAGS
AC_CHECK_LIB(pq, PQconnectdb,
	[
		LIBS="$LIBS -lpq"
		PGLIBS="$LIBS"
		AC_SUBST(PGLIBS)
	],
	[
		AC_MSG_ERROR([libpq required])
	]
)

AC_MSG_CHECKING([libpq includes])
PQICFLAGS=`pg_config --includedir`
if test -n "$PQICFLAGS" ; then
  CFLAGS="$CFLAGS -I$PQICFLAGS"
fi

AC_TRY_LINK([
	#include <libpq-fe.h>
	],
	[ PGconn *dbh = PQconnectdb(""); ],
	[],
	[ AC_MSG_ERROR([Cannot compile/link against libpq]) ]
)
PGCFLAGS=$CFLAGS
AC_SUBST(PGCFLAGS)

LIBS=$old_LIBS
CFLAGS=$old_CFLAGS

old_CFLAGS=$CFLAGS
old_LIBS=$LIBS
CFLAGS="$CFLAGS $MYCFLAGS"
LIBS="$MYLIBS"

AC_CHECK_FUNC(mysql_real_connect,
        [
                BUILD_MODULES="$BUILD_MODULES mysql.$MODULEEXT"
		MYCFLAGS="$CFLAGS"
		MYLIBS="$LIBS"
		AC_SUBST(MYCFLAGS)
		AC_SUBST(MYLIBS)
        ],
        [
                AC_MSG_WARN([No libmysqlclient, skipping mysql module])
        ]
)


LIBS=$old_LIBS
CFLAGS=$old_CFLAGS

########
#
# CHECK FOR VARIOUS MODULE CRITERIA
# We don't track the libs themselves, as we'll just explictly link
# against the in the makefile if we enable them to build (by adding
# them to the BUILD_MODULES list).
#
########

# Should we build snmp checks?
SAVELIBS="$LIBS"
AC_CHECK_LIB(netsnmp, snmp_sess_open,
	[
		BUILD_MODULES="$BUILD_MODULES snmp.$MODULEEXT"
	],
	[
		AC_MSG_WARN([No libnetsnmp, skipping snmp module])
	]
)
LIBS="$SAVELIBS"

# Should we build ssh2 checks?
SAVELIBS="$LIBS"
AC_CHECK_LIB(ssh2, libssh2_session_init_ex,
	[
		BUILD_MODULES="$BUILD_MODULES ssh2.$MODULEEXT"
	],
	[
		AC_MSG_WARN([No libssh2, skipping ssh2 module])
	]
)
LIBS="$SAVELIBS"

AC_MSG_CHECKING([libxml2 cflags])
XML2CFLAGS=`xml2-config --cflags`
CFLAGS="$CFLAGS $XML2CFLAGS"
AC_MSG_RESULT([$XML2CFLAGS])

AC_MSG_CHECKING([libxml2 libs])
XML2LIBS=`xml2-config --libs`
LIBS="$LIBS $XML2LIBS"
AC_MSG_RESULT([$XML2LIBS])

AC_CHECK_FUNC(xmlParseDocument, , [AC_MSG_ERROR(*** libxml2 is required ***)])

AC_MSG_CHECKING([libxslt cflags])
XSLTCFLAGS=`xslt-config --cflags`
CFLAGS="$CFLAGS $XSLTCFLAGS"
AC_MSG_RESULT([$XSLTCFLAGS])

AC_MSG_CHECKING([libxslt libs])
XSLTLIBS=`xslt-config --libs`
LIBS="$LIBS $XSLTLIBS"
AC_MSG_RESULT([$XSLTLIBS])

AC_CHECK_FUNC(xsltParseStylesheetDoc, , [AC_MSG_ERROR(*** libxslt is required ***)])

APRPREFIX="`apr-1-config --prefix`"
AC_MSG_CHECKING([libserf cflags])
AC_SUBST(APRPREFIX)
AC_MSG_RESULT([$APRPREFIX])

AC_MSG_CHECKING([libserf cflags])
SERFCFLAGS="`apr-1-config --cflags --cppflags`"
SERFCFLAGS="$SERFCFLAGS -I`apu-1-config --includedir` -I`apr-1-config --includedir`"
AC_SUBST(SERFCFLAGS)
AC_MSG_RESULT([$SERFCFLAGS])

AC_MSG_CHECKING([libserf libs])
SERFLIBS="`apu-1-config --link-ld --ldflags --libs` `apr-1-config --link-ld --ldflags --libs`"
AC_SUBST(SERFLIBS)
AC_MSG_RESULT([$SERFLIBS])

AC_TRY_LINK([],
	[ issetugid(); ],
	[ ac_cv_libc_defines_issetugid="yes" ],
	[ ac_cv_libc_defines_issetugid="no" ]
)
if test "x$ac_cv_libc_defines_issetugid" = "xyes" ; then
	AC_DEFINE(HAVE_ISSETUGID)
fi

AC_MSG_CHECKING([whether sem_init works])
AC_TRY_RUN(
	[
#include <semaphore.h>
int main(void){sem_t s;return (0 != sem_init(&s,0,0));}
	],
	[
		AC_MSG_RESULT(yes)
		AC_DEFINE(WORKING_SEM_INIT)
	], 
	[
		AC_MSG_RESULT(no)
		AC_MSG_WARN([****** sem_init() is broken, I'll implement one myself.])
	]
)

AC_FUNC_STRFTIME
AC_CHECK_FUNCS(ssetugid strlcpy strnstrn openpty inet_pton inet_ntop getopt \
               poll)

# Checks for header files.
AC_CHECK_HEADERS(sys/file.h sys/types.h dirent.h sys/param.h fcntl.h errno.h limits.h \
                 sys/resource.h pthread.h semaphore.h pwd.h stdio.h stdlib.h string.h \
                 ctype.h unistd.h time.h sys/stat.h sys/event.h libkern/OSAtomic.h \
                 term.h termio.h termios.h curses.h sys/cdefs.h grp.h netinet/in_systm.h \
                 sys/ioctl_compat.h sys/filio.h util.h sys/time.h sys/mman.h \
                 stropts.h sys/stream.h alloca.h sys/wait.h)

AC_CHECK_FUNCS(getpwnam_r)
GETPWNAM_R_POSIX
AC_CHECK_FUNCS(getgrnam_r)
GETGRNAM_R_POSIX

AC_MSG_CHECKING(for tputs() function final argument type)
AC_EGREP_CPP([tputs.*[(][       ]*char[         ]*[)]],
		[#if defined(HAVE_TERM_H)
		 #include <term.h>
		 #endif
		 #if defined(HAVE_CURSES_H)
		 #include <curses.h>
		 #endif],
		[AC_MSG_RESULT(char)
		 AC_DEFINE(TPUTS_TAKES_CHAR)],
		[AC_MSG_RESULT(not char)])

AC_CACHE_CHECK([for epoll support], ac_cv_have_epoll, [
	AC_TRY_LINK(
		[ #include <sys/types.h> ],
		[ u_int a; a = epoll_create(); ],
		[ ac_cv_have_epoll="yes" ],
		[ ac_cv_have_epoll="no" ]
	)
])
if test "x$ac_cv_have_epoll" = "xyes" ; then
	AC_DEFINE(HAVE_EPOLL)
	EVENTER_OBJS="$EVENTER_OBJS eventer_epoll_impl.o"
	AC_DEFINE_UNQUOTED(DEFAULT_EVENTER, "epoll")
	have_epoll=1
fi

AC_CACHE_CHECK([for kqueue support], ac_cv_have_kqueue, [
	AC_TRY_LINK(
		[ #include <sys/types.h> ],
		[ u_int a; a = kqueue(); ],
		[ ac_cv_have_kqueue="yes" ],
		[ ac_cv_have_kqueue="no" ]
	)
])
if test "x$ac_cv_have_kqueue" = "xyes" ; then
	AC_DEFINE(HAVE_KQUEUE)
	EVENTER_OBJS="$EVENTER_OBJS eventer_kqueue_impl.o"
	AC_DEFINE_UNQUOTED(DEFAULT_EVENTER, "kqueue")
	have_kqueue=1
fi

AC_CACHE_CHECK([for Solaris ports support], ac_cv_have_ports, [
	AC_TRY_LINK(
		[ #include <port.h> ],
		[ u_int a; a = port_create(); ],
		[ ac_cv_have_ports="yes" ],
		[ ac_cv_have_ports="no" ]
	)
])
if test "x$ac_cv_have_ports" = "xyes" ; then
	AC_DEFINE(HAVE_PORTS)
	EVENTER_OBJS="$EVENTER_OBJS eventer_ports_impl.o"
	AC_DEFINE_UNQUOTED(DEFAULT_EVENTER, "ports")
	have_ports=1
fi

AC_SUBST(EVENTER_OBJS)

AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
	AC_TRY_COMPILE(
		[ #include <sys/types.h> ], 
		[ u_int a; a = 1;], 
		[ ac_cv_have_u_int="yes" ],
		[ ac_cv_have_u_int="no" ]
	)
])
if test "x$ac_cv_have_u_int" = "xyes" ; then
	AC_DEFINE(HAVE_U_INT)
	have_u_int=1
fi

AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
	AC_TRY_COMPILE(
		[ #include <sys/types.h> ], 
		[ int8_t a; int16_t b; int32_t c; a = b = c = 1;], 
		[ ac_cv_have_intxx_t="yes" ],
		[ ac_cv_have_intxx_t="no" ]
	)
])
if test "x$ac_cv_have_intxx_t" = "xyes" ; then
	AC_DEFINE(HAVE_INTXX_T)
	have_intxx_t=1
fi
	
AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
	AC_TRY_COMPILE(
		[ #include <sys/types.h> ], 
		[ int64_t a; a = 1;], 
		[ ac_cv_have_int64_t="yes" ],
		[ ac_cv_have_int64_t="no" ]
	)
])
if test "x$ac_cv_have_int64_t" = "xyes" ; then
	AC_DEFINE(HAVE_INT64_T)
	have_int64_t=1
fi
	
AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
	AC_TRY_COMPILE(
		[ #include <sys/types.h> ], 
		[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;], 
		[ ac_cv_have_u_intxx_t="yes" ],
		[ ac_cv_have_u_intxx_t="no" ]
	)
])
if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
	AC_DEFINE(HAVE_U_INTXX_T)
	have_u_intxx_t=1
fi

AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
	AC_TRY_COMPILE(
		[ #include <sys/types.h> ], 
		[ u_int64_t a; a = 1;], 
		[ ac_cv_have_u_int64_t="yes" ],
		[ ac_cv_have_u_int64_t="no" ]
	)
])
if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
	AC_DEFINE(HAVE_U_INT64_T)
	have_u_int64_t=1
fi

if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
           test "x$ac_cv_header_sys_bitypes_h" = "xyes")
then
	AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
	AC_TRY_COMPILE(
		[
#include <sys/bitypes.h>
		], 
		[
			int8_t a; int16_t b; int32_t c;
			u_int8_t e; u_int16_t f; u_int32_t g;
			a = b = c = e = f = g = 1;
		], 
		[
			AC_DEFINE(HAVE_U_INTXX_T)
			AC_DEFINE(HAVE_INTXX_T)
			AC_MSG_RESULT(yes)
		],
		[AC_MSG_RESULT(no)]
	) 
fi

if test -z "$have_u_intxx_t" ; then
	AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
		AC_TRY_COMPILE(
			[
#include <sys/types.h>
			], 
			[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ], 
			[ ac_cv_have_uintxx_t="yes" ],
			[ ac_cv_have_uintxx_t="no" ]
		)
	])
	if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
		AC_DEFINE(HAVE_UINTXX_T)
	fi
fi

AC_CACHE_CHECK([for socklen_t], ac_cv_have_socklen_t, [
	AC_TRY_COMPILE(
		[
#include <sys/types.h>
#include <sys/socket.h>
		],
		[socklen_t foo; foo = 1235;],
		[ ac_cv_have_socklen_t="yes" ],
		[ ac_cv_have_socklen_t="no" ]
	)
])
if test "x$ac_cv_have_socklen_t" = "xyes" ; then
	AC_DEFINE(HAVE_SOCKLEN_T)
fi

AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
	AC_TRY_COMPILE(
		[
#include <sys/types.h>
		],
		[ size_t foo; foo = 1235; ],
		[ ac_cv_have_size_t="yes" ],
		[ ac_cv_have_size_t="no" ]
	)
])
if test "x$ac_cv_have_size_t" = "xyes" ; then
	AC_DEFINE(HAVE_SIZE_T)
fi

AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
	AC_TRY_COMPILE(
		[
#include <sys/types.h>
		],
		[ ssize_t foo; foo = 1235; ],
		[ ac_cv_have_ssize_t="yes" ],
		[ ac_cv_have_ssize_t="no" ]
	)
])
if test "x$ac_cv_have_ssize_t" = "xyes" ; then
	AC_DEFINE(HAVE_SSIZE_T)
fi

AC_SUBST(BUILD_MODULES)

docdir="docs"
mansubdir="man"
AC_SUBST(docdir)
AC_SUBST(mansubdir)
SHCFLAGS="$PICFLAGS $CFLAGS"
AC_SUBST(SHCFLAGS)

AC_MSG_CHECKING([Resolving libexec path...])
fullpath=$libexecdir
while test "x$temppath" != "x$fullpath" ; do
  temppath=$fullpath
  fullpath=`eval echo ${fullpath}`
done
fullpath=`echo $fullpath | sed "s~NONE~$ac_default_prefix~"`
AC_MSG_RESULT([$fullpath/noit])
AC_DEFINE_UNQUOTED(MODULES_DIR, "${fullpath}/noit")
MODULES_DIR=${fullpath}/noit
AC_SUBST(MODULES_DIR)

AC_MSG_CHECKING([Resolving sysconfdir path...])
fullpath=$sysconfdir
while test "x$temppath" != "x$fullpath" ; do
  temppath=$fullpath
  fullpath=`eval echo ${fullpath}`
done
fullpath=`echo $fullpath | sed "s~NONE~$ac_default_prefix~"`
AC_MSG_RESULT([$fullpath])
AC_DEFINE_UNQUOTED(ETC_DIR, "${fullpath}")
ETC_DIR=${fullpath}
AC_SUBST(ETC_DIR)


AC_OUTPUT([
Makefile
src/Makefile
src/eventer/Makefile
src/jlog/Makefile
src/jlog/perl/Makefile.PL
src/udns/Makefile
src/man/Makefile
src/modules/Makefile
src/modules-lua/Makefile
src/utils/Makefile
src/noitedit/Makefile
src/lua/Makefile
sql/Makefile
test/Makefile
])