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1 | dnl |
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2 | dnl "$Id: cups-openssl.m4,v 1.4.2.6 2003/01/15 04:25:48 mike Exp $" |
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3 | dnl |
| bcf61448 |
4 | dnl OpenSSL/GNUTLS stuff for the Common UNIX Printing System (CUPS). |
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5 | dnl |
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6 | dnl Copyright 1997-2002 by Easy Software Products, all rights reserved. |
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7 | dnl |
| 8 | dnl These coded instructions, statements, and computer programs are the |
| 9 | dnl property of Easy Software Products and are protected by Federal |
| 10 | dnl copyright law. Distribution and use rights are outlined in the file |
| 11 | dnl "LICENSE.txt" which should have been included with this file. If this |
| 12 | dnl file is missing or damaged please contact Easy Software Products |
| 13 | dnl at: |
| 14 | dnl |
| 15 | dnl Attn: CUPS Licensing Information |
| 16 | dnl Easy Software Products |
| 17 | dnl 44141 Airport View Drive, Suite 204 |
| 18 | dnl Hollywood, Maryland 20636-3111 USA |
| 19 | dnl |
| 20 | dnl Voice: (301) 373-9603 |
| 21 | dnl EMail: cups-info@cups.org |
| 22 | dnl WWW: http://www.cups.org |
| 23 | dnl |
| 24 | |
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25 | AC_ARG_ENABLE(ssl, [ --enable-ssl turn on SSL/TLS support, default=yes]) |
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26 | AC_ARG_ENABLE(openssl, [ --enable-openssl use OpenSSL for SSL/TLS support, default=yes]) |
| 27 | AC_ARG_ENABLE(gnutls, [ --enable-gnutls use GNU TLS for SSL/TLS support, default=yes]) |
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28 | AC_ARG_WITH(openssl-libs, [ --with-openssl-libs set directory for OpenSSL library], |
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29 | LDFLAGS="-L$withval $LDFLAGS" |
| 30 | DSOFLAGS="-L$withval $DSOFLAGS",) |
| 31 | AC_ARG_WITH(openssl-includes, [ --with-openssl-includes set directory for OpenSSL includes], |
| 32 | CFLAGS="-I$withval $CFLAGS" |
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33 | CXXFLAGS="-I$withval $CXXFLAGS" |
| 34 | CPPFLAGS="-I$withval $CPPFLAGS",) |
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35 | |
| 36 | SSLLIBS="" |
| 37 | |
| 38 | if test x$enable_ssl != xno; then |
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39 | if test x$enable_openssl != xno; then |
| 40 | AC_CHECK_HEADER(openssl/ssl.h, |
| 41 | dnl Save the current libraries so the crypto stuff isn't always |
| 42 | dnl included... |
| 43 | SAVELIBS="$LIBS" |
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44 | |
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45 | dnl Some ELF systems can't resolve all the symbols in libcrypto |
| 46 | dnl if libcrypto was linked against RSAREF, and fail to link the |
| 47 | dnl test program correctly, even though a correct installation |
| 48 | dnl of OpenSSL exists. So we test the linking three times in |
| 49 | dnl case the RSAREF libraries are needed. |
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50 | |
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51 | for libcrypto in \ |
| 52 | "-lcrypto" \ |
| 53 | "-lcrypto -lrsaref" \ |
| 54 | "-lcrypto -lRSAglue -lrsaref" |
| 55 | do |
| 56 | AC_CHECK_LIB(ssl,SSL_new, |
| 57 | [SSLLIBS="-lssl $libcrypto" |
| 58 | AC_DEFINE(HAVE_SSL) |
| 59 | AC_DEFINE(HAVE_LIBSSL)],, |
| 60 | $libcrypto) |
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61 | |
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62 | if test "x${SSLLIBS}" != "x"; then |
| 63 | break |
| 64 | fi |
| 65 | done |
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66 | |
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67 | LIBS="$SAVELIBS") |
| 68 | fi |
| 69 | |
| 70 | dnl If OpenSSL wasn't found, look for GNU TLS... |
| 71 | |
| 72 | if test "x${SSLLIBS}" == "x" -a "x${enable_gnutls}" != "xno"; then |
| 73 | AC_CHECK_HEADER(gnutls/gnutls.h, |
| 74 | dnl Save the current libraries so the crypto stuff isn't always |
| 75 | dnl included... |
| 76 | SAVELIBS="$LIBS" |
| 77 | |
| 78 | TEST_GNUTLS_LIBS=`libgnutls-config --libs` |
| 79 | AC_CHECK_LIB(gnutls, gnutls_init, |
| 80 | [SSLLIBS=$TEST_GNUTLS_LIBS |
| 81 | AC_DEFINE(HAVE_SSL) |
| 82 | AC_DEFINE(HAVE_GNUTLS)],, |
| 83 | $TEST_GNUTLS_LIBS) |
| 84 | |
| 85 | LIBS="$SAVELIBS") |
| 86 | fi |
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87 | fi |
| 88 | |
| 89 | AC_SUBST(SSLLIBS) |
| 90 | |
| 91 | dnl |
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92 | dnl End of "$Id: cups-openssl.m4,v 1.4.2.6 2003/01/15 04:25:48 mike Exp $". |
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93 | dnl |
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