AC_INIT(zm,1.22.1,support@zoneminder.com,ZoneMinder)
AC_CONFIG_SRCDIR(src/zm.h)
AM_INIT_AUTOMAKE
AM_CONFIG_HEADER(config.h)

PATH_BUILD=`pwd`
AC_SUBST(PATH_BUILD)
TIME_BUILD=`date +'%s'`
AC_SUBST(TIME_BUILD)

AC_ARG_VAR(ZM_DB_HOST,[Hostname where ZoneMinder database located])
AC_ARG_VAR(ZM_DB_NAME,[Name of ZoneMinder database])
AC_ARG_VAR(ZM_DB_USER,[Name of ZoneMinder database user])
AC_ARG_VAR(ZM_DB_PASS,[Password of ZoneMinder database user])

if test "$ZM_DB_HOST" == ""; then
	AC_SUBST(ZM_DB_HOST,[localhost])
fi
if test "$ZM_DB_NAME" == ""; then
	AC_SUBST(ZM_DB_NAME,[zm])
fi
if test "$ZM_DB_USER" == ""; then
	AC_SUBST(ZM_DB_USER,[zmuser])
fi
if test "$ZM_DB_PASS" == ""; then
	AC_SUBST(ZM_DB_PASS,[zmpass])
fi

LIB_ARCH=lib
AC_ARG_WITH(libarch,
    [  --with-libarch=<lib>       architecture library path to use, default lib],
    [LIB_ARCH=$with_libarch],
    AC_MSG_WARN([You can call configure with the --with-libarch option.
    This tells configure where to find architecture specific libraries.
    The default of 'lib' is usually ok but 64 bit machines may require lib64.
    e.g. --with-libarch=lib or --with-libarch=lib64])
)
AC_SUBST(LIB_ARCH)

MYSQL_PREFIX=/usr
AC_ARG_WITH(mysql,
    [  --with-mysql=<path>        prefix of MySQL installation, default /usr],
    [MYSQL_PREFIX=$with_mysql],
    AC_MSG_WARN([You can call configure with the --with-mysql option.
    This tells configure where to find the MySql C library and headers if configure cannot
    locate them automatically.
    e.g. --with-mysql=/usr/local or --with-mysql=/usr])
)
AC_SUBST(MYSQL_PREFIX)
MYSQL_LIBS="-L${MYSQL_PREFIX}/${LIB_ARCH}/mysql"
MYSQL_CFLAGS="-I${MYSQL_PREFIX}/include"
AC_SUBST(MYSQL_LIBS)
AC_SUBST(MYSQL_CFLAGS)

LDFLAGS="${MYSQL_LIBS} $LDFLAGS"

FFMPEG_PREFIX=/usr
AC_ARG_WITH(ffmpeg,
    [  --with-ffmpeg=<path>       prefix of ffmpeg root directory for libavcodec etc, default /usr],
    [FFMPEG_PREFIX=$with_ffmpeg],
    AC_MSG_WARN([You can call configure with the --with-ffmpeg option.
    This tells configure where to find the ffmpeg root directory within which are the libavcodec 
    and libavformat files that can be used to build true MPEG streaming into ZoneMinder. Ensure that
    your copy of ffmpeg has installed libraries as well as binaries (use 'make installlib'). If you
    are using a local install of ffmpeg you may have to remove or rename a previous real installation
    as the headers and libraries from that will probably be picked up before your local copy.
    e.g. --with-ffmpeg=/usr/local])
)
AC_SUBST(FFMPEG_PREFIX)
FFMPEG_LIBS="-L${FFMPEG_PREFIX}/${LIB_ARCH}"
FFMPEG_CFLAGS="-I${FFMPEG_PREFIX}/include"
AC_SUBST(FFMPEG_LIBS)
AC_SUBST(FFMPEG_CFLAGS)

LDFLAGS="${FFMPEG_LIBS} $LDFLAGS"

EXTRA_LIBS=
AC_ARG_WITH(extralibs,
    [  --with-extralibs="<libs>"  string containing extra libraries to pass to link, default empty],
    [EXTRA_LIBS=$with_extralibs],
    AC_MSG_WARN([You can call configure with the --with-extralibs option.
    Ordinarily you will need to use this option only when your copy of ffmpeg has been built
    with support for additional formats and you would use this option to detail which additional
    libraries ffmpeg was built with so that it is able to link successfully with ZoneMinder.
    You will need to wrap this option in quotes if it contains any spaces.
    e.g. --with-extralibs="-lmp3lame"])
)
AC_SUBST(EXTRA_LIBS)

LDFLAGS="$LDFLAGS ${EXTRA_LIBS}"

AC_ARG_WITH(webdir,
    [  --with-webdir=<path>       prefix of web directory],
    [WEB_PREFIX=$with_webdir],
    AC_MSG_ERROR([You must call configure with the --with-webdir option.
    This tells configure where to install PHP and web files and scripts.
    e.g. --with-webdir=/var/www/html or --with-mysql=/www/vhtdocs/<site>])
)
AC_SUBST(WEB_PREFIX)

AC_ARG_WITH(cgidir,
    [  --with-cgidir=<path>       prefix of cgi directory],
    [CGI_PREFIX=$with_cgidir],
    AC_MSG_ERROR([You must call configure with the --with-cgidir option.
    This tells configure where to install cgi files and scripts.
    e.g. --with-cgidir=/var/www/cgi-bin or --with-mysql=/www/vhtdocs/<site>/cgi-bin])
)
AC_SUBST(CGI_PREFIX)

WEB_USER=apache
AC_ARG_WITH(webuser,
    [  --with-webuser=<user>      name of web user, default apache],
    [WEB_USER=$with_webuser],
    AC_MSG_WARN([You can call configure with the --with-webuser option.
    This tells configure what the user name of the web user is if it is not the default of 'apache'.
    e.g. --with-webuser=apache or --with-webuser=web])
)
AC_SUBST(WEB_USER)

WEB_GROUP=apache
AC_ARG_WITH(webgroup,
    [  --with-webgroup=<group>    name of web group, default apache],
    [WEB_GROUP=$with_webgroup],
    AC_MSG_WARN([You can call configure with the --with-webgroup option.
    This tells configure what the group name of the web group is if it is not the default of 'apache'.
    e.g. --with-webgroup=apache or --with-webgroup=web])
)
AC_SUBST(WEB_GROUP)

ENABLE_DEBUG=yes
AC_ARG_ENABLE(debug,
    [  --enable-debug=<yes|no>    enable or disabled debug, default enabled],
    [ENABLE_DEBUG=$enable_debug],
    AC_MSG_WARN([You can call configure with the --enable-debug=<yes|no> or --disable-debug option.
    This tells configure whether to compile ZoneMinder with debug included. Although debug is included
    by default it is not output unless explicitly switched on elsewhere. These checks may induce a
    small penalty on performance and if you are after squeezing the maximum possible performance out
    of ZoneMinder you may use this switch to prevent debug from being compiled in.
    e.g. --enable-debug=yes or --disable-debug])
)
if test "$ENABLE_DEBUG" != "yes"; then
  AC_DEFINE(ZM_DBG_OFF,1,"Whether debug is switched off and compiled out")
fi

ENABLE_CRASHTRACE=yes
AC_ARG_ENABLE(crashtrace,
    [  --enable-crashtrace=<yes|no> enable or disabled crash tracing, default enabled],
    [ENABLE_CRASHTRACE=$enable_crashtrace],
    AC_MSG_WARN([You can call configure with the --enable-crashtrace=<yes|no> or --disable-crashtrace option.
    This tells configure whether to compile ZoneMinder with crash tracing included. This allows a
    dump of the stack trace when a ZoneMinder binary crashes or is killed by an unexpected signal.
    Although this should work on most systems it does rely on un(or loosely) documented features and
    so should be regarded as experimental. If you experience problems compiling zm_signal.cpp or 
    ZoneMinder binaries fail to shut down corrected then you should probably disable this feature.
    e.g. --enable-crashtrace=yes or --disable-crashtrace])
)
if test "$ENABLE_CRASHTRACE" != "yes"; then
  AC_DEFINE(ZM_NO_CRASHTRACE,1,"Whether crash tracing is switched off and compiled out")
fi

AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_MAKE_SET

AC_HEADER_STDC

AC_LANG_CPLUSPLUS

AC_SUBST(LDFLAGS)

AC_TYPE_SIZE_T
AC_TYPE_SIGNAL

AC_CHECK_TYPES(siginfo_t,,,[#include <signal.h>])
AC_CHECK_TYPES(struct sigcontext,,,[#include <signal.h>])
AC_CHECK_TYPES(ucontext_t,,,[#include <signal.h>])

AC_CHECK_HEADERS(mysql/mysql.h,,AC_MSG_ERROR(zm requires mysql/mysql.h),)
AC_CHECK_HEADERS(pcre/pcre.h,,,)
AC_CHECK_HEADERS(pcre.h,,,)
AC_CHECK_DECLS(round,,,[#include <math.h>])
AC_CHECK_DECLS(strsignal,,,[#include <string.h>])
AC_CHECK_DECLS(MD5,,AC_MSG_ERROR(zm requires openssl/md5.h),[#include <stdlib.h>
#include <openssl/md5.h>])
AC_CHECK_DECLS(backtrace,,,[#include <execinfo.h>])
AC_CHECK_LIB(jpeg,jpeg_start_compress,,AC_MSG_ERROR(zm requires libjpeg.a))
AC_CHECK_LIB(z,compress,,AC_MSG_ERROR(zm requires libz.a))
AC_CHECK_LIB(dl,dlsym,,AC_MSG_ERROR(zm requires libdl.a))
AC_CHECK_LIB(mysqlclient,mysql_init,,AC_MSG_ERROR(zm requires libmysqlclient.a))
AC_CHECK_LIB(crypto,MD5,,AC_MSG_WARN(libcrypto.a is required for authenticated streaming))
AC_CHECK_LIB(pcre,pcre_compile,,AC_MSG_WARN(libpcre.a may be required for remote/network camera support))
AC_CHECK_LIB(avutil,ff_gcd,,AC_MSG_WARN(libavutil.a may be required for MPEG streaming))
AC_CHECK_LIB(avcodec,avcodec_init,,AC_MSG_WARN(libavcodec.a is required for MPEG streaming))
AC_CHECK_LIB(avformat,av_new_stream,,AC_MSG_WARN(libavformat.a is required for MPEG streaming),-lavcodec)

AC_PROG_PERL_VERSION(5.6.0)

AC_PROG_PERL_MODULES(Sys::Syslog,,AC_MSG_ERROR(zm requires SYS:Syslog))
AC_PROG_PERL_MODULES(DBI,,AC_MSG_ERROR(zm requires DBI))
AC_PROG_PERL_MODULES(DBD::mysql,,AC_MSG_ERROR(zm requires DBD::mysql))
AC_PROG_PERL_MODULES(Getopt::Long,,AC_MSG_ERROR(zm requires Getopt::Long))
AC_PROG_PERL_MODULES(Time::HiRes,,AC_MSG_ERROR(zm requires Time::HiRes))
AC_PROG_PERL_MODULES(Date::Manip,,AC_MSG_ERROR(zm requires Date::Manip))
AC_PROG_PERL_MODULES(LWP::UserAgent,,AC_MSG_ERROR(zm requires LWP::UserAgent))

AC_PROG_PERL_MODULES(Device::SerialPort,,AC_MSG_WARN(Device::SerialPort is required for RS232/RS485 PTZ camera control))
AC_PROG_PERL_MODULES(Net::FTP,,AC_MSG_WARN(Net::FTP is required for automatic event uploading))
AC_PROG_PERL_MODULES(Archive::Tar,,AC_MSG_WARN(Archive::Tar may be required for automatic event uploading))
AC_PROG_PERL_MODULES(Archive::Zip,,AC_MSG_WARN(Archive::Zip may be required for automatic event uploading))
AC_PROG_PERL_MODULES(Net::SMTP,,AC_MSG_WARN(Net::SMTP may be required for automatic event email notification))
AC_PROG_PERL_MODULES(MIME::Lite,,AC_MSG_WARN(MIME::Lite may be required for automatic event email notification))
AC_PROG_PERL_MODULES(MIME::Entity,,AC_MSG_WARN(MIME::Entity may be required for automatic event email notification))
AC_PROG_PERL_MODULES(X10::ActiveHome,,AC_MSG_WARN(X10::ActiveHome is required for X.10 support))

AC_DEFINE_DIR([BINDIR],[bindir],[Expanded binary directory])
AC_DEFINE_DIR([LIBDIR],[libdir],[Expanded library directory])
AC_SUBST(RUNDIR,"/var/run")
AC_SUBST(ZM_RUNDIR,"$RUNDIR/zm")
AC_SUBST(ZM_PID,"$ZM_RUNDIR/zm.pid")
AC_DEFINE_DIR([SYSCONFDIR],[sysconfdir],[Expanded configuration directory])
AC_SUBST(ZM_CONFIG,"$SYSCONFDIR/zm.conf")

AC_OUTPUT(Makefile src/Makefile web/Makefile web/graphics/Makefile scripts/Makefile db/Makefile)
AC_OUTPUT(zm.conf src/zm_config.h web/zm_config.php scripts/zm db/zm_create.sql)
AC_OUTPUT(scripts/ZoneMinder/lib/ZoneMinder/Base.pm scripts/ZoneMinder/lib/ZoneMinder/Config.pm scripts/ZoneMinder/lib/ZoneMinder/ConfigAdmin.pm )

AC_CHECK_FILE(scripts/ZoneMinder/Makefile,,[cd scripts/ZoneMinder;perl Makefile.PL])