explain why the ABI depends on the SSL libs

[thirdparty/curl.git] / configure.ac

dnl $Id$
dnl Process this file with autoconf to produce a configure script.

AC_PREREQ(2.57)

dnl We don't know the version number "staticly" so we use a dash here
AC_INIT(curl, [-], [a suitable curl mailing list => http://curl.haxx.se/mail/])

dnl configure script copyright
AC_COPYRIGHT([Copyright (c) 1998 - 2005 Daniel Stenberg, <daniel@haxx.se>
This configure script may be copied, distributed and modified under the 
terms of the curl license; see COPYING for more details])

AC_CONFIG_SRCDIR([lib/urldata.h])
AM_CONFIG_HEADER(lib/config.h src/config.h)
AM_MAINTAINER_MODE

dnl SED is needed by some of the tools
AC_PATH_PROG( SED, sed, sed-was-not-found-by-configure,
              $PATH:/usr/bin:/usr/local/bin)
AC_SUBST(SED)

if test "x$SED" = "xsed-was-not-found-by-configure"; then
  AC_MSG_WARN([sed was not found, this may ruin your chances to build fine])
fi

dnl AR is used by libtool, and try the odd Solaris path too
dnl we use AC_CHECK_TOOL since this should make a library for the target
dnl platform
AC_CHECK_TOOL(AR, ar,
              ar-was-not-found-by-configure,
              $PATH:/usr/bin:/usr/local/bin:/usr/ccs/bin)
AC_SUBST(AR)
if test "x$AR" = "xar-was-not-found-by-configure"; then
  AC_MSG_WARN([ar was not found, this may ruin your chances to build fine])
fi

dnl figure out the libcurl version
VERSION=`$SED -ne 's/^#define LIBCURL_VERSION "\(.*\)"/\1/p' ${srcdir}/include/curl/curlver.h`
AM_INIT_AUTOMAKE(curl,$VERSION)
AC_MSG_CHECKING([curl version])
AC_MSG_RESULT($VERSION)

dnl
dnl we extract the numerical version for curl-config only
VERSIONNUM=`$SED -ne 's/^#define LIBCURL_VERSION_NUM 0x\(.*\)/\1/p' ${srcdir}/include/curl/curlver.h`
AC_SUBST(VERSIONNUM)

dnl Solaris pkgadd support definitions
PKGADD_PKG="HAXXcurl"
PKGADD_NAME="cURL - a client that groks URLs"
PKGADD_VENDOR="curl.haxx.se"
AC_SUBST(PKGADD_PKG)
AC_SUBST(PKGADD_NAME)
AC_SUBST(PKGADD_VENDOR)

dnl
dnl initialize all the info variables
    curl_ssl_msg="no      (--with-ssl / --with-gnutls)"
   curl_zlib_msg="no      (--with-zlib)"
   curl_krb4_msg="no      (--with-krb4*)"
    curl_gss_msg="no      (--with-gssapi)"
 curl_spnego_msg="no      (--with-spnego)"
   curl_ares_msg="no      (--enable-ares)"
   curl_ipv6_msg="no      (--enable-ipv6)"
    curl_idn_msg="no      (--with-libidn)"
 curl_manual_msg="no      (--enable-manual)"
curl_verbose_msg="enabled (--disable-verbose)"
   curl_sspi_msg="no      (--enable-sspi)"

dnl
dnl Detect the canonical host and target build environment
dnl

AC_CANONICAL_HOST
dnl Get system canonical name
AC_DEFINE_UNQUOTED(OS, "${host}", [cpu-machine-OS])

dnl Check for AIX weirdos
AC_AIX

dnl Checks for programs.
AC_PROG_CC

dnl check for how to do large files
AC_SYS_LARGEFILE

dnl check for cygwin stuff
AC_LIBTOOL_WIN32_DLL

dnl libtool setup
AC_PROG_LIBTOOL

AC_MSG_CHECKING([if we need -no-undefined])
case $host in
  *-*-cygwin | *-*-mingw* | *-*-pw32*)
    need_no_undefined=yes
    ;;
  *)
    need_no_undefined=no
    ;;
esac
AC_MSG_RESULT($need_no_undefined)
AM_CONDITIONAL(NO_UNDEFINED, test x$need_no_undefined = xyes)

AC_MSG_CHECKING([if we need -mimpure-text])
mimpure=no
case $host in
  *-*-solaris2*)
    if test "$GCC" = "yes"; then
      mimpure="yes"
    fi
    ;;
  *)
    ;;
esac
AC_MSG_RESULT($mimpure)
AM_CONDITIONAL(MIMPURE, test x$mimpure = xyes)

AC_MSG_CHECKING([if we need BUILDING_LIBCURL])
case $host in
  *-*-mingw*)
    AC_DEFINE(BUILDING_LIBCURL, 1, [when building libcurl itself])
    AC_MSG_RESULT(yes)