dnl $Id$
dnl Process this file with autoconf to produce a configure script.
AC_INIT(lib/urldata.h)
AM_CONFIG_HEADER(config.h src/config.h)
AM_INIT_AUTOMAKE(curl,"6.5.2")

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_MAKE_SET

dnl Check for AIX weirdos
AC_AIX

dnl **********************************************************************
dnl Checks for libraries.
dnl **********************************************************************

dnl nsl lib?
AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname))

dnl resolve lib?
AC_CHECK_FUNC(strcasecmp, , AC_CHECK_LIB(resolve, strcasecmp))

dnl socket lib?
AC_CHECK_FUNC(connect, , AC_CHECK_LIB(socket, connect))

dnl ucb lib?
AC_CHECK_FUNC(gethostname, , AC_CHECK_LIB(ucb, gethostname))

dnl dl lib?
AC_CHECK_FUNC(dlopen, , AC_CHECK_LIB(dl, dlopen))

dnl **********************************************************************
dnl Check for the presence of SSL libraries and headers
dnl **********************************************************************

dnl Default to compiler & linker defaults for SSL files & libraries.
OPT_SSL=off
AC_ARG_WITH(ssl,dnl
[  --with-ssl[=DIR]        where to look for SSL [compiler/linker default paths]
                          DIR points to the SSL installation [/usr/local/ssl]],
  OPT_SSL=$withval
)

if test X"$OPT_SSL" = Xno
then
  AC_MSG_WARN(SSL/https support disabled)  
else

  dnl Check for & handle argument to --with-ssl.

  AC_MSG_CHECKING(where to look for SSL)
  if test X"$OPT_SSL" = Xoff
  then
  	AC_MSG_RESULT([defaults (or given in environment)])
  else
	test X"$OPT_SSL" = Xyes && OPT_SSL=/usr/local/ssl
	LIBS="$LIBS -L$OPT_SSL/lib"
	CPPFLAGS="$CPPFLAGS -I$OPT_SSL/include/openssl -I$OPT_SSL/include"
	AC_MSG_RESULT([$OPT_SSL])
  fi

  dnl check for crypto libs (part of SSLeay)
  AC_CHECK_LIB(crypto, CRYPTO_lock)

  if test $ac_cv_lib_crypto_CRYPTO_lock = yes; then
    dnl This is only reasonable to do if crypto actually is there: check for
    dnl SSL libs NOTE: it is important to do this AFTER the crypto lib
    AC_CHECK_LIB(ssl, SSL_connect)

    dnl Check for SSLeay headers
    AC_CHECK_HEADERS(openssl/x509.h openssl/rsa.h openssl/crypto.h openssl/pem.h openssl/ssl.h openssl/err.h)

    if test $ac_cv_header_openssl_x509_h = no; then
      AC_CHECK_HEADERS(x509.h rsa.h crypto.h pem.h ssl.h err.h)
    fi

  fi
fi

dnl **********************************************************************
dnl Check for the presence of ZLIB libraries and headers
dnl **********************************************************************

dnl Default to compiler & linker defaults for files & libraries.
dnl OPT_ZLIB=no
dnl AC_ARG_WITH(zlib,dnl
dnl [  --with-zlib[=DIR]  where to look for ZLIB [compiler/linker default paths]
dnl                      DIR points to the ZLIB installation prefix [/usr/local]],
dnl  OPT_ZLIB=$withval,
dnl )

dnl Check for & handle argument to --with-zlib.
dnl
dnl NOTE:  We *always* look for ZLIB headers & libraries, all this option
dnl        does is change where we look (by adjusting LIBS and CPPFLAGS.)
dnl

dnl AC_MSG_CHECKING(where to look for ZLIB)
dnl if test X"$OPT_ZLIB" = Xno
dnl then
dnl 	AC_MSG_RESULT([defaults (or given in environment)])
dnl else
dnl	test X"$OPT_ZLIB" = Xyes && OPT_ZLIB=/usr/local
dnl	LIBS="$LIBS -L$OPT_ZLIB/lib"
dnl	CPPFLAGS="$CPPFLAGS -I$OPT_ZLIB/include"
dnl	AC_MSG_RESULT([$OPT_ZLIB])
dnl fi

dnl z lib?
dnl AC_CHECK_FUNC(gzread, , AC_CHECK_LIB(z, gzread))

dnl **********************************************************************
dnl Back to "normal" configuring
dnl **********************************************************************

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS( \
        unistd.h \
        malloc.h \
        stdlib.h \
        arpa/inet.h \
        net/if.h \
        netinet/in.h \
        netdb.h \
        sys/select.h \
        sys/socket.h \
        sys/sockio.h \
        sys/stat.h \
        sys/types.h \
        getopt.h \
        sys/param.h \
        termios.h \
        termio.h \
        sgtty.h \
        fcntl.h \
        dlfcn.h \
        alloca.h \
        winsock.h \
        time.h \
        io.h \
)

dnl Check for libz header
dnl AC_CHECK_HEADERS(zlib.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME

# mprintf() checks:

# check for 'long double'
AC_CHECK_SIZEOF(long double, 8)
# check for 'long long'
AC_CHECK_SIZEOF(long long, 4)

dnl Get system canonical name
AC_CANONICAL_HOST
AC_DEFINE_UNQUOTED(OS, "${host}")

dnl Checks for library functions.
dnl AC_PROG_GCC_TRADITIONAL
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS( socket \
                select \
                strdup \
                strstr \
                strftime \
                uname \
                strcasecmp \
                gethostname \
                gethostbyaddr \
                getservbyname \
                gettimeofday \
                inet_addr \
                inet_ntoa \
                tcsetattr \
                tcgetattr \
                perror \
                getpass \
                closesocket \
                setvbuf \
                RAND_status \
                RAND_screen
)


AC_PATH_PROG( PERL, perl, , 
  $PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
AC_SUBST(PERL)

AC_PATH_PROGS( NROFF, gnroff nroff, , 
  $PATH:/usr/bin/:/usr/local/bin )
AC_SUBST(NROFF)

AC_PROG_RANLIB
AC_PROG_YACC

dnl AC_PATH_PROG( RANLIB, ranlib, /usr/bin/ranlib, 
dnl   $PATH:/usr/bin/:/usr/local/bin )
dnl AC_SUBST(RANLIB)

AC_OUTPUT( Makefile \
	   src/Makefile \
           lib/Makefile )
dnl	   perl/checklinks.pl \
dnl	   perl/getlinks.pl \
dnl        perl/formfind.pl \
dnl	   perl/recursiveftpget.pl  )