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ef416fc2 | 1 | dnl |
2 | dnl "$Id: cups-ssl.m4 4800 2005-10-18 18:06:20Z mike $" | |
3 | dnl | |
4 | dnl OpenSSL/GNUTLS stuff for the Common UNIX Printing System (CUPS). | |
5 | dnl | |
6 | dnl Copyright 1997-2005 by Easy Software Products, all rights reserved. | |
7 | dnl | |
8 | dnl These coded instructions, statements, and computer programs are the | |
9 | dnl property of Easy Software Products and are protected by Federal | |
10 | dnl copyright law. Distribution and use rights are outlined in the file | |
11 | dnl "LICENSE.txt" which should have been included with this file. If this | |
12 | dnl file is missing or damaged please contact Easy Software Products | |
13 | dnl at: | |
14 | dnl | |
15 | dnl Attn: CUPS Licensing Information | |
16 | dnl Easy Software Products | |
17 | dnl 44141 Airport View Drive, Suite 204 | |
18 | dnl Hollywood, Maryland 20636 USA | |
19 | dnl | |
20 | dnl Voice: (301) 373-9600 | |
21 | dnl EMail: cups-info@cups.org | |
22 | dnl WWW: http://www.cups.org | |
23 | dnl | |
24 | ||
25 | AC_ARG_ENABLE(ssl, [ --enable-ssl turn on SSL/TLS support, default=yes]) | |
26 | AC_ARG_ENABLE(cdsassl, [ --enable-cdsassl use CDSA for SSL/TLS support, default=first]) | |
27 | AC_ARG_ENABLE(gnutls, [ --enable-gnutls use GNU TLS for SSL/TLS support, default=second]) | |
28 | AC_ARG_ENABLE(openssl, [ --enable-openssl use OpenSSL for SSL/TLS support, default=third]) | |
29 | AC_ARG_WITH(openssl-libs, [ --with-openssl-libs set directory for OpenSSL library], | |
30 | LDFLAGS="-L$withval $LDFLAGS" | |
31 | DSOFLAGS="-L$withval $DSOFLAGS",) | |
32 | AC_ARG_WITH(openssl-includes, [ --with-openssl-includes set directory for OpenSSL includes], | |
33 | CFLAGS="-I$withval $CFLAGS" | |
34 | CXXFLAGS="-I$withval $CXXFLAGS" | |
35 | CPPFLAGS="-I$withval $CPPFLAGS",) | |
36 | ||
37 | SSLFLAGS="" | |
38 | SSLLIBS="" | |
39 | ||
40 | if test x$enable_ssl != xno; then | |
41 | dnl Look for CDSA... | |
42 | if test "x${SSLLIBS}" = "x" -a "x${enable_cdsassl}" != "xno"; then | |
43 | if test $uname = Darwin; then | |
44 | AC_CHECK_HEADER(Security/SecureTransport.h, | |
45 | [SSLLIBS="-framework CoreFoundation -framework Security" | |
46 | AC_DEFINE(HAVE_SSL) | |
47 | AC_DEFINE(HAVE_CDSASSL)]) | |
48 | fi | |
49 | fi | |
50 | ||
51 | dnl Then look for GNU TLS... | |
52 | if test "x${SSLLIBS}" = "x" -a "x${enable_gnutls}" != "xno"; then | |
53 | AC_CHECK_HEADER(gnutls/gnutls.h, | |
54 | dnl Save the current libraries so the crypto stuff isn't always | |
55 | dnl included... | |
56 | SAVELIBS="$LIBS" | |
57 | ||
58 | AC_CHECK_LIB(gnutls, gnutls_init, | |
59 | [SSLLIBS="-lgnutls" | |
60 | AC_DEFINE(HAVE_SSL) | |
61 | AC_DEFINE(HAVE_GNUTLS)]) | |
62 | ||
63 | LIBS="$SAVELIBS") | |
64 | fi | |
65 | ||
66 | dnl Check for the OpenSSL library last... | |
67 | if test "x${SSLLIBS}" = "x" -a "x${enable_openssl}" != "xno"; then | |
68 | AC_CHECK_HEADER(openssl/ssl.h, | |
69 | dnl Save the current libraries so the crypto stuff isn't always | |
70 | dnl included... | |
71 | SAVELIBS="$LIBS" | |
72 | ||
73 | dnl Some ELF systems can't resolve all the symbols in libcrypto | |
74 | dnl if libcrypto was linked against RSAREF, and fail to link the | |
75 | dnl test program correctly, even though a correct installation | |
76 | dnl of OpenSSL exists. So we test the linking three times in | |
77 | dnl case the RSAREF libraries are needed. | |
78 | ||
79 | for libcrypto in \ | |
80 | "-lcrypto" \ | |
81 | "-lcrypto -lrsaref" \ | |
82 | "-lcrypto -lRSAglue -lrsaref" | |
83 | do | |
84 | AC_CHECK_LIB(ssl,SSL_new, | |
85 | [SSLFLAGS="-DOPENSSL_DISABLE_OLD_DES_SUPPORT" | |
86 | SSLLIBS="-lssl $libcrypto" | |
87 | AC_DEFINE(HAVE_SSL) | |
88 | AC_DEFINE(HAVE_LIBSSL)],, | |
89 | $libcrypto) | |
90 | ||
91 | if test "x${SSLLIBS}" != "x"; then | |
92 | break | |
93 | fi | |
94 | done | |
95 | ||
96 | LIBS="$SAVELIBS") | |
97 | fi | |
98 | fi | |
99 | ||
100 | AC_SUBST(SSLFLAGS) | |
101 | AC_SUBST(SSLLIBS) | |
102 | ||
103 | EXPORT_SSLLIBS="$SSLLIBS" | |
104 | AC_SUBST(EXPORT_SSLLIBS) | |
105 | ||
106 | ||
107 | dnl | |
108 | dnl End of "$Id: cups-ssl.m4 4800 2005-10-18 18:06:20Z mike $". | |
109 | dnl |