configure

#!/bin/sh
#
# $Id: configure,v 1.97 2009/10/27 16:14:43 tat Exp $

export makl_conf_h=klone_conf.h
export MAKL_DIR=`pwd`/makl

if [ -z "${MAKE}" ]; then
    MAKE=make
fi

# will fail using something different then GNU make
( cd build/makecheck && "${MAKE}" >/dev/null ) || exit 1

# before running configure the toolchain must be present
if [ ! -r "${MAKL_DIR}"/etc/toolchain.cf ]; then
    "${MAKE}" -C "${MAKL_DIR}" toolchain
fi

# MaKL preamble
. "${MAKL_DIR}"/cf/makl.init
. build/makl_checkfork
. build/makl_va_list_by_value
. build/makl_checkstackp

# Preprocess arguments
makl_args_init "$@"

# Custom arguments ...
makl_args_def   "enable_debug"      "" ""   "enables debugging of KLone app"
makl_args_def   "enable_libu_debug" "" ""   "enables debugging of LibU"
makl_args_def   "enable_profile"    "" ""   "enables profiling"
makl_args_def   "enable_sup_fs"     "" ""   "enables filesystem web access"
makl_args_def   "enable_fs"     "" ""   "--enable_sup_fs alias"
makl_args_def   "enable_sup_cgi"    "" ""   "enables external CGIs"
makl_args_def   "enable_cgi"    "" ""   "--enable_sup_cgi alias"
makl_args_def   "enable_sup_kilt"     "" ""   "enables kilt module"
makl_args_def   "enable_kilt"     "" ""   "--enable_sup_kilt alias"
makl_args_def   "enable_warns"      "" ""   "set CFLAGS for extra warnings"
makl_args_def   "disable_cxx"       "" ""   "disable C++ support"
makl_args_def   "install_daemon_only"  "" ""  "install just Klone daemon file"
makl_args_def   "daemon_name"  "=NAME" ""   "set the name of Klone daemon"
makl_args_def   "enable_hooks"  "" ""   "call user-provided hooks_setup() to register hooks"
makl_args_def   "disable_stack_protector"      "" ""   "disable stack smashing protection (gcc 4.x)"
makl_args_def   "enable_cyassl"      "" ""   "enables CyaSSL library"


# ... and their handlers
__makl_enable_debug ()      { makl_set_var_mk       "KLONE_DEBUG" ;
                              makl_append_var_mk    "CFLAGS" "-g -DDEBUG" ; }
__makl_enable_libu_debug () { makl_set_var_mk       "LIBU_DEBUG" ;          }
__makl_enable_profile ()    { makl_append_var_mk    "CFLAGS" "-pg -a" ;     }

__makl_enable_sup_fs ()     { makl_set_var          "ENABLE_SUP_FS" ;       }
__makl_enable_fs ()         { __makl_enable_sup_fs ;                        }

__makl_enable_sup_kilt ()     { makl_set_var          "ENABLE_SUP_KILT" ;   }
__makl_enable_kilt ()         { __makl_enable_sup_kilt ;                    }

__makl_enable_sup_cgi ()    { makl_set_var          "ENABLE_SUP_CGI" ;      }
__makl_enable_cgi ()        { __makl_enable_sup_cgi;                        }

__makl_disable_cxx ()       { makl_unset_var        "USE_CXX" ;             }
__makl_install_daemon_only () 
                            { makl_set_var          "INSTALL_DAEMON_ONLY" ; }
__makl_daemon_name ()       { makl_set_var_mk       "DAEMON_NAME" $1 ;      }
__makl_enable_hooks()       { makl_set_var          "ENABLE_HOOKS"  ;       }
__makl_enable_warns ()        
{ 
    makl_append_var_mk "CFLAGS"                                     \
        "-W -Wall -Wstrict-prototypes -Wmissing-prototypes"         \
        "-Wpointer-arith -Wno-uninitialized -Wreturn-type"          \
        "-Wwrite-strings -Wswitch -Wshadow -Wwrite-strings"         \
        "-Wunreachable-code -Wunused -Wcast-qual"
        #"-pedantic -std=c99"
}
__makl_disable_stack_protector()       { 
    makl_set_var_mk        "DISABLE_STACK_PROTECTOR"    "1";   
}
__makl_enable_cyassl()      { 
    makl_set_var_mk         "ENABLE_CYASSL"
}

# General settings
makl_pkg_name           "klone"
makl_pkg_version

# Source directory 
makl_set_var_mk         "SRCDIR"    "`pwd`"

# Add local 3rd party flags
makl_append_var_mk      "CFLAGS"    "-I`pwd`/libu/include"

case `makl_target_name` in

    *mingw*)
        makl_set_var        "OS_WIN"
        makl_append_var_mk  "POST_LDADD"      "-lwsock32 -L/c/WINDOWS" 
        ;;

    *cygwin*)
        makl_set_var        "OS_UNIX"
        makl_append_var_mk  "CFLAGS"    "-D__addr_t_defined"
        ;;

    *qnx*)
        makl_set_var        "OS_UNIX"
        makl_append_var_mk  "POST_LDADD"      "-lsocket"
        ;;

    *darwin*)
        makl_set_var        "OS_UNIX"
        # workaround to avoid circular dependency errors on Mac OS X
        makl_set_var        "PRE_LDADD"       "-ldl"
        makl_append_var_mk  "POST_LDADD"      "-lc"
        ;;                                                    

    sunos*)
        makl_set_var    "OS_UNIX"
        makl_add_var_mk "LDFLAGS" "-lsocket -lnsl"
        ;;

    minix*)
        makl_set_var        "OS_UNIX"
        makl_append_var_mk  "CFLAGS" "-D_POSIX_SOURCE"
        ;;

    *)
        makl_set_var        "OS_UNIX"
        ;;
esac

makl_append_var_mk "CFLAGS"   "-I`pwd` -DHAVE_CONF_H"

# these enable .klx pages
makl_set_var_mk "USE_CXX"  "1"
makl_append_var_mk "CXXFLAGS" "\${CFLAGS}"

# check for stdint header
makl_checkheader        0   "stdint"        "<stdint.h>"
makl_checkheader        0   "getopt"        "<getopt.h>"
makl_checkheader        0   "unistd"        "<unistd.h>"
makl_checkheader        0   "sys_select"    "<sys/select.h>"
makl_checkheader        0   "sys_wait"      "<sys/wait.h>"
makl_checkheader        0   "sys_dir"       "<sys/dir.h>"

makl_checkheader        0   "sys_socket"    "<sys/socket.h>"
 
makl_checksymbol        0   "LOG_PERROR"    "<syslog.h>"
makl_checksymbol        0   "SA_RESTART"    "<signal.h>"
makl_checksymbol        0   "TCP_NODELAY"   "<sys/types.h>" \
                                            "<netinet/tcp.h>"

# Library dependencies
makl_optional           1   "lib"   "openssl"       ""  "-lssl -lcrypto"
makl_optional           1   "lib"   "openssl_psk"   ""  "-lssl -lcrypto"
makl_optional           1   "lib"   "z"
makl_optional           1   "lib"   "cyassl"    "-DNO_FILESYSTEM"  "-lcyassl"

# Function dependencies
makl_checktype          0   "pid_t"         "<sys/types.h>" 

makl_checkstructelem    0   "struct tm"     "tm_gmtoff"  "<time.h>" 

# working fork()?
makl_checkfork          0

# -fstack-protector-all
makl_checkstackp          0

# check va_list behaviour
makl_va_list_by_value

makl_checkfunc          0   "syslog" "" ""
makl_checkfunc          0   "mkstemp" "" ""
makl_checkfunc          0   "localtime_r" "" ""

makl_checkinline        0
if [ $? -ne 0 ]; then
    makl_append_var_mk "CFLAGS" "-Dinline="
fi

# Binary dependencies
makl_optional           1    "featx"   "doxygen"

# Handle command-line arguments
makl_args_handle "$@"

# Add include dirs into top-level CFLAGS
# makl_add_var_mk "CFLAGS" "\$(LIBOPENSSL_CFLAGS)"
makl_add_var_mk "CFLAGS" "\$(LIBZ_CFLAGS)"

# if debug is not enabled add optimization flags
if [ -z "`makl_get_var_mk "KLONE_DEBUG"`" ]; then
    makl_append_var_mk "CFLAGS"   "-O2"
fi

# adds -fstack-protector-all to the CFLAGS when supported by the compiler
if [ -z "`makl_get_var_mk "DISABLE_STACK_PROTECTOR"`" ]; then
    if [ "`makl_get_var_mk "HAVE_STACK_PROTECTOR"`" ]; then
        makl_append_var_mk "CFLAGS"   "-fstack-protector-all"
    fi
fi

if [ "`makl_get_var_mk "ENABLE_SUP_CGI"`" -a "`makl_get_var_mk "OS_WIN"`" ]; 
then
    echo ; echo "    ### Error: CGI is not supported on Windows ###"; echo;
    exit 1;
fi


if [ "`makl_get_var_mk "HAVE_LIBCYASSL"`" -a "`makl_get_var_mk "ENABLE_CYASSL"`" ]; 
then
    makl_set_var        "SSL_ON" 
    makl_set_var        "SSL_CYASSL" 
    makl_set_var_mk     "SSL_CFLAGS"    "\$(LIBCYASSL_CFLAGS)"
    makl_set_var_mk     "SSL_LDFLAGS"   "\$(LIBCYASSL_LDFLAGS)"
    makl_set_var_mk     "SSL_LDADD"     "\$(LIBCYASSL_LDADD)"
else
    if [ "`makl_get_var_mk "HAVE_LIBOPENSSL"`" ]; 
    then
        makl_set_var        "SSL_ON"
        makl_set_var        "SSL_OPENSSL"
        makl_set_var_mk     "SSL_CFLAGS"    "\$(LIBOPENSSL_CFLAGS)"
        makl_set_var_mk     "SSL_LDFLAGS"   "\$(LIBOPENSSL_LDFLAGS)"
        makl_set_var_mk     "SSL_LDADD"     "\$(LIBOPENSSL_LDADD)"
    fi
    if [ "`makl_get_var_mk "HAVE_LIBOPENSSL_PSK"`" ];  
    then
        makl_set_var        "SSL_OPENSSL_PSK"
    fi
fi

# apply substitutions
makl_file_sub "skin/default/Makefile" \
              "doc/doxy/kl1.doxy"

# check if --libs were supplied: in case forward its value to libu build
__libs=`makl_get "__libs__"`
[ "${__libs}" ] && makl_set_var_mk "LIBU_LIBS" "${__libs}"

. "${MAKL_DIR}"/cf/makl.term