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dnl autoconf.in for Services.
dnl
dnl Anope (c) 2003-2012 Anope team
dnl Contact us at team@anope.org

dnl This program is free but copyrighted software; see the file COPYING for
dnl details.
 
dnl Based heavily on the Unreal configure.in script, and extra thanks to
dnl codemastr from UnrealIRCD.

AC_INIT

# If no bindir, we tell him to run ./Config.
if test "${with_bindir+set}" != set || test "${with_datadir+set}" != set; then
  echo "You might want to run ./Config or provide some parameters to this script."
  echo "./configure --help for information about this script"
  exit 0
fi

AC_CONFIG_SRCDIR([src/actions.c])
AC_CONFIG_HEADER(include/sysconf.h)
AC_PROG_CC
if test "$ac_cv_c_compiler_gnu" = "yes"; then
# CFLAGS="$CFLAGS -funsigned-char"
    AC_CACHE_CHECK(if gcc has a working -pipe, ac_cv_pipe, [
    save_cflags="$CFLAGS"
    CFLAGS="$CFLAGS -pipe"
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[ac_cv_pipe="yes"],[ac_cv_pipe="no"])
    CFLAGS="$save_cflags"
    ])
    if test "$ac_cv_pipe" = "yes"; then
        CFLAGS="-pipe $CFLAGS"
    fi
fi

dnl CFLAGS="$CFLAGS -W -Wall"

AC_PATH_PROG(RM,rm)
AC_PATH_PROG(CP,cp)
AC_PATH_PROG(TOUCH,touch)
AC_PATH_PROG(INSTALL,install)
AC_CHECK_LIB(nsl,inet_ntoa,ANOPELIBS="$ANOPELIBS-lnsl ")
AC_CHECK_LIB(socket, socket,ANOPELIBS="$ANOPELIBS-lsocket ")
AC_CHECK_LIB(resolv, res_query,ANOPELIBS="$ANOPELIBS-lresolv ")
AC_CHECK_LIB(bsd, revoke,ANOPELIBS="$ANOPELIBS-lbsd ")

dnl Does this platform require array notation to assign to a va_list?
dnl If cross-compiling, we assume va_list is "normal". If this breaks
dnl you, set ac_cv_valistisarray=true and maybe define HAVE_VA_LIST_AS_ARRAY
dnl also just to be sure.

dnl NOTE: this autoconf test is taken from mozilla: www.mozilla.org.

AC_MSG_CHECKING(whether va_list assignments need array notation)
AC_CACHE_VAL(ac_cv_valistisarray,
        [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
#include <stdarg.h>
void foo(int i, ...) {
va_list ap1, ap2;
va_start(ap1, i);
ap2 = ap1;
if (va_arg(ap2, int) != 123 || va_arg(ap1, int) != 123) { exit(1); }
va_end(ap1); va_end(ap2);
}
int main()
{ foo(0, 123); return(0); }]])],[ac_cv_valistisarray=false],[ac_cv_valistisarray=true],[ac_cv_valistisarray=false])])

if test "$ac_cv_valistisarray" = true ; then
AC_DEFINE(HAVE_VA_LIST_AS_ARRAY,[1],[va_list as array])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi


DIS_MYSQL=" MySQL: No"
AC_ARG_WITH(mysql, [ --without-mysql Do not use MySQL or attempt to find it],,[
AC_ARG_WITH(mysqlconfig-path, [ --with-mysqlconfig-path=PATH Complete path to the mysql_config executable],
mysql_config_path="$withval", mysql_config_path="")
MYSQLCONF=""
if test "$mysql_config_path" != ""; then
if test -x "$mysql_config_path"; then
MYSQLCONF="$mysql_config_path"
echo "checking for mysql_config... $MYSQLCONF" >&6
fi
fi
if test "$MYSQLCONF" = ""; then
AC_PATH_PROG(MYSQLCONF,mysql_config, "")
fi
if test "$MYSQLCONF" != ""; then
hold_cflags="$CFLAGS"
hold_ldflags="$LDFLAGS"
if test "$MYSQL_CFLAGS" = ""; then
MYSQL_CFLAGS="`$MYSQLCONF --cflags`"
fi
if test "$MYSQL_LDFLAGS" = ""; then
MYSQL_LDFLAGS="`$MYSQLCONF --libs`"
fi
CFLAGS="$CFLAGS $MYSQL_CFLAGS"
LDFLAGS="$LDFLAGS $MYSQL_LDFLAGS"
LIBS="$MYSQL_LDFLAGS"
echo $ECHO_N "checking if mysql_config produces valid values... $ECHO_C" >&6
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <mysql.h>

int main()
{
MYSQL *mysql = mysql_init(0);

return 0;
}
]])],[ac_cv_mysql_valid=yes],[ac_cv_mysql_valid=no],[])
echo $ac_cv_mysql_valid >&6
if test "$ac_cv_mysql_valid" = "yes"; then
AC_DEFINE_UNQUOTED(USE_MYSQL,1,"Use Mysql")
AC_DEFINE_UNQUOTED(USE_RDB,1,"Use RDB")
MYSQL=" mysql.c "
RDB=" rdb.c "
AC_SUBST(MYSQL)
AC_SUBST(RDB)
DIS_MYSQL=" MySQL: Yes"
else
CFLAGS="$hold_cflags"
LDFLAGS="$hold_ldflags"
LIBS=""
fi
fi
])

AC_MSG_CHECKING(whether this is a bit or little endian system)
AC_RUN_IFELSE([AC_LANG_SOURCE([[
int main()
{
short s = 1;
short* ptr = &s;
unsigned char c = *((char*)ptr);
return c;
}

]])],[AC_DEFINE(BIG_ENDIAN)
  AC_MSG_RESULT(big)
],[AC_DEFINE(LITTLE_ENDIAN)
  AC_MSG_RESULT(little)
],[])

AC_SUBST(ANOPELIBS)
AC_SUBST(LDFLAGS)

AC_CHECK_HEADER(sys/types.h,AC_DEFINE(HAS_SYS_TYPES_H,1,"Has sys/types.h"))

DIS_MODULES="Modules: Yes"

dnl module checking based on Unreal's module checking code
AC_DEFUN(AC_ENABLE_DYN,
[
AC_CHECK_FUNC(dlopen,, AC_CHECK_LIB(dl,dlopen,[
  ANOPELIBS="$ANOPELIBS -ldl"
  AC_DEFINE(USE_MODULES,1,"Modules are available")
  USE_MODULES="yes"
  DIS_MODULES="Modules: Yes"
],
[
AC_MSG_WARN(Dynamic linking is not enabled because dlopen was not found)
AC_DEFINE(STATIC_LINKING,"NO_MODULES","modules not available")
  DIS_MODULES="Modules: No"
]))

hold_cflags=$CFLAGS
CFLAGS="$CFLAGS -export-dynamic"
AC_CACHE_CHECK(if we need the -export-dynamic flag, ac_cv_export_dynamic, [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])],[ac_cv_export_dynamic=yes],[ac_cv_export_dynamic=no])])
if test "$ac_cv_export_dynamic" = "no"; then
CFLAGS=$hold_cflags
fi

AC_CACHE_CHECK(for compiler option to produce PIC,ac_cv_pic,[
if test "$ac_cv_c_compiler_gnu" = "yes"; then
        ac_cv_pic="-fPIC -DPIC -shared"
case `uname -s` in
Darwin*[)]
ac_cv_pic="-bundle -flat_namespace -undefined suppress"
;;
HP-UX*[)]
ac_cv_pic="-fPIC"
;;
esac
else
case `uname -s` in
    SunOS*[)]
       ac_cv_pic="-KPIC -DPIC -G"
    ;;
esac

fi

])

if test "$ac_cv_c_compiler_gnu" = "yes"; then
case `uname -s` in
Darwin*[)]
SHARED="-bundle -flat_namespace -undefined suppress"
AC_SUBST(SHARED)
;;
*[)]
SHARED="-shared"
AC_SUBST(SHARED)
;;
esac
fi

AC_CACHE_CHECK(if your system prepends an underscore on symbols,ac_cv_underscore,[
cat >uscore.c << __EOF__
int main() {
return 0;
}
__EOF__
$CC -o uscore $CFLAGS uscore.c 1>&5
if test -z "`strings -a uscore |grep '^_main$'`"; then
    ac_cv_underscore=no
else
    ac_cv_underscore=yes
fi

rm -f uscore uscore.c
])
if test "$ac_cv_underscore" = "yes"; then
AC_DEFINE(DL_PREFIX,"_","Underscore needed for dlopen")
else
AC_DEFINE(DL_PREFIX,"","No prefix needed for dlopen")
fi

MODULEFLAGS=$ac_cv_pic
AC_SUBST(MODULEFLAGS)
AC_DEFINE(USE_MODULES,1,"Modules available")
])

AC_ENABLE_DYN
anope_CHECK_TYPE_SIZES

AC_CHECK_HEADER(strings.h,AC_DEFINE(HAVE_STRINGS_H,1,""))
AC_CHECK_HEADER(sys/select.h,AC_DEFINE(HAVE_SYS_SELECT_H,1,""))

AC_CHECK_FUNCS(backtrace,AC_DEFINE(HAVE_BACKTRACE,1))
AC_CHECK_FUNCS(strerror,AC_DEFINE(HAVE_STRERROR,1))
AC_CHECK_FUNCS(sys_errlist,AC_DEFINE(HAVE_SYS_ERRLIST,1))
AC_CHECK_FUNCS(snprintf,AC_DEFINE(HAVE_SNPRINTF,1))
AC_CHECK_FUNCS(stricmp,AC_DEFINE(HAVE_STRICMP,1))
AC_CHECK_FUNCS(strcasecmp,AC_DEFINE(HAVE_STRCASECMP,1))
AC_CHECK_FUNCS(strdup,AC_DEFINE(HAVE_STRDUP,1))
AC_CHECK_FUNCS(strspn,AC_DEFINE(HAVE_STRSPN,1))
AC_CHECK_FUNCS(strsignal,AC_DEFINE(HAVE_STRSIGNAL,1))
AC_CHECK_FUNCS(gettimeofday,AC_DEFINE(HAVE_GETTIMEOFDAY,1))
AC_CHECK_FUNCS(setgrent,AC_DEFINE(HAVE_SETGRENT,1))
AC_CHECK_FUNCS(umask,AC_DEFINE(HAVE_UMASK,1))
AC_CHECK_FUNCS(fork,AC_DEFINE(HAVE_FORK,1))
AC_CHECK_FUNCS(gethostbyname,AC_DEFINE(HAVE_GETHOSTBYNAME,1))
AC_CHECK_FUNCS(gethostbyname_r,AC_DEFINE(HAVE_GETHOSTBYNAME_R,1))
AC_CHECK_FUNCS(strlcpy,AC_DEFINE(HAVE_STRLCPY,1))
AC_CHECK_FUNCS(strlcat,AC_DEFINE(HAVE_STRLCAT,1))

AC_ARG_WITH(rungroup, [ --with-rungroup=group Specify the rungroup for anope], [
    AC_DEFINE_UNQUOTED(RUNGROUP,"$withval","Run group")
    RUNGROUP=$withval
])
AC_SUBST(RUNGROUP)

dnl AC_DEFINE_UNQUOTED(MYOSNAME,"`uname -a`","uname")

AC_ARG_WITH(permissions, [ --with-permissions=permissions Specify the default permissions for anope], AC_DEFINE_UNQUOTED(DEFUMASK,$withval,"Default umask permissions"), AC_DEFINE(DEFUMASK, 007,"Default umask Permissions"))

AC_ARG_WITH(bindir, [ --with-bindir=bindir Specify the default binary dir for anope], [
    AC_DEFINE_UNQUOTED(SERVICES_BIN,"${withval}/services","Binary Dir")
    BINDEST=$withval
    DATDEST=$withval
    MODULE_PATH=${withval}/modules/
])

AC_SUBST(BINDEST)

AC_ARG_WITH(datadir, [ --with-datadir=datadir Specify the location of the services data folder], [
 AC_DEFINE_UNQUOTED(SERVICES_DIR,"$withval","services bin dir")
 AC_DEFINE_UNQUOTED(MODULE_PATH,"${withval}/modules/","Module dir")
 DATDEST=$withval
 MODULE_PATH=${withval}/modules/
])

AC_SUBST(DATDEST)
AC_SUBST(MODULE_PATH)

AC_CONFIG_FILES( \
Makefile \
src/bin/anoperc \
)

AC_OUTPUT

cat <<EOT

$DIS_MODULES
$DIS_MYSQL

All done! Now run "make" (or possibly "gmake") to compile Anope.
See the INSTALL, README and FAQ files if you have any problems.
EOT

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