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dnl
dnl "$Id: cups-ssl.m4 7241 2008-01-22 22:34:52Z mike $"
dnl
dnl OpenSSL/GNUTLS stuff for the Common UNIX Printing System (CUPS).
dnl
dnl Copyright 2007-2009 by Apple Inc.
dnl Copyright 1997-2007 by Easy Software Products, all rights reserved.
dnl
dnl These coded instructions, statements, and computer programs are the
dnl property of Apple Inc. and are protected by Federal copyright
dnl law. Distribution and use rights are outlined in the file "LICENSE.txt"
dnl which should have been included with this file. If this file is
dnl file is missing or damaged, see the license at "http://www.cups.org/".
dnl
AC_ARG_ENABLE(ssl, [ --disable-ssl disable SSL/TLS support])
AC_ARG_ENABLE(cdsassl, [ --enable-cdsassl use CDSA for SSL/TLS support, default=first])
AC_ARG_ENABLE(gnutls, [ --enable-gnutls use GNU TLS for SSL/TLS support, default=second])
AC_ARG_ENABLE(openssl, [ --enable-openssl use OpenSSL for SSL/TLS support, default=third])
AC_ARG_WITH(openssl-libs, [ --with-openssl-libs set directory for OpenSSL library],
LDFLAGS="-L$withval $LDFLAGS"
DSOFLAGS="-L$withval $DSOFLAGS",)
AC_ARG_WITH(openssl-includes, [ --with-openssl-includes set directory for OpenSSL includes],
CFLAGS="-I$withval $CFLAGS"
CPPFLAGS="-I$withval $CPPFLAGS",)
SSLFLAGS=""
SSLLIBS=""
if test x$enable_ssl != xno; then
dnl Look for CDSA...
if test "x${SSLLIBS}" = "x" -a "x${enable_cdsassl}" != "xno"; then
if test $uname = Darwin; then
AC_CHECK_HEADER(Security/SecureTransport.h, [
SSLLIBS="-framework CoreFoundation -framework Security"
AC_DEFINE(HAVE_SSL)
AC_DEFINE(HAVE_CDSASSL)
dnl Check for the various security headers...
AC_CHECK_HEADER(Security/SecPolicy.h,
AC_DEFINE(HAVE_SECPOLICY_H))
AC_CHECK_HEADER(Security/SecPolicyPriv.h,
AC_DEFINE(HAVE_SECPOLICYPRIV_H))
AC_CHECK_HEADER(Security/SecBasePriv.h,
AC_DEFINE(HAVE_SECBASEPRIV_H))
AC_CHECK_HEADER(Security/SecIdentitySearchPriv.h,
AC_DEFINE(HAVE_SECIDENTITYSEARCHPRIV_H))
dnl Check for SecIdentitySearchCreateWithPolicy...
AC_MSG_CHECKING(for SecIdentitySearchCreateWithPolicy)
if test $uversion -ge 80; then
AC_DEFINE(HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY)
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi])
fi
fi
dnl Then look for GNU TLS...
if test "x${SSLLIBS}" = "x" -a "x${enable_gnutls}" != "xno" -a "x$PKGCONFIG" != x; then
AC_PATH_PROG(LIBGNUTLSCONFIG,libgnutls-config)
if $PKGCONFIG --exists gnutls; then
SSLLIBS=`$PKGCONFIG --libs gnutls`
SSLFLAGS=`$PKGCONFIG --cflags gnutls`
AC_DEFINE(HAVE_SSL)
AC_DEFINE(HAVE_GNUTLS)
fi
fi
dnl Check for the OpenSSL library last...
if test "x${SSLLIBS}" = "x" -a "x${enable_openssl}" != "xno"; then
AC_CHECK_HEADER(openssl/ssl.h,
dnl Save the current libraries so the crypto stuff isn't always
dnl included...
SAVELIBS="$LIBS"
dnl Some ELF systems can't resolve all the symbols in libcrypto
dnl if libcrypto was linked against RSAREF, and fail to link the
dnl test program correctly, even though a correct installation
dnl of OpenSSL exists. So we test the linking three times in
dnl case the RSAREF libraries are needed.
for libcrypto in \
"-lcrypto" \
"-lcrypto -lrsaref" \
"-lcrypto -lRSAglue -lrsaref"
do
AC_CHECK_LIB(ssl,SSL_new,
[SSLFLAGS="-DOPENSSL_DISABLE_OLD_DES_SUPPORT"
SSLLIBS="-lssl $libcrypto"
AC_DEFINE(HAVE_SSL)
AC_DEFINE(HAVE_LIBSSL)],,
$libcrypto)
if test "x${SSLLIBS}" != "x"; then
break
fi
done
LIBS="$SAVELIBS")
fi
fi
if test "x$SSLLIBS" != x; then
AC_MSG_RESULT([ Using SSLLIBS="$SSLLIBS"])
AC_MSG_RESULT([ Using SSLFLAGS="$SSLFLAGS"])
fi
AC_SUBST(SSLFLAGS)
AC_SUBST(SSLLIBS)
EXPORT_SSLLIBS="$SSLLIBS"
AC_SUBST(EXPORT_SSLLIBS)
dnl
dnl End of "$Id: cups-ssl.m4 7241 2008-01-22 22:34:52Z mike $".
dnl
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