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ef416fc2 | 1 | dnl |
36080486 | 2 | dnl "$Id: cups-ssl.m4 5525 2006-05-15 13:52:16Z mike $" |
ef416fc2 | 3 | dnl |
4 | dnl OpenSSL/GNUTLS stuff for the Common UNIX Printing System (CUPS). | |
5 | dnl | |
89d46774 | 6 | dnl Copyright 1997-2006 by Easy Software Products, all rights reserved. |
ef416fc2 | 7 | dnl |
8 | dnl These coded instructions, statements, and computer programs are the | |
9 | dnl property of Easy Software Products and are protected by Federal | |
10 | dnl copyright law. Distribution and use rights are outlined in the file | |
11 | dnl "LICENSE.txt" which should have been included with this file. If this | |
12 | dnl file is missing or damaged please contact Easy Software Products | |
13 | dnl at: | |
14 | dnl | |
15 | dnl Attn: CUPS Licensing Information | |
16 | dnl Easy Software Products | |
17 | dnl 44141 Airport View Drive, Suite 204 | |
18 | dnl Hollywood, Maryland 20636 USA | |
19 | dnl | |
20 | dnl Voice: (301) 373-9600 | |
21 | dnl EMail: cups-info@cups.org | |
22 | dnl WWW: http://www.cups.org | |
23 | dnl | |
24 | ||
25 | AC_ARG_ENABLE(ssl, [ --enable-ssl turn on SSL/TLS support, default=yes]) | |
26 | AC_ARG_ENABLE(cdsassl, [ --enable-cdsassl use CDSA for SSL/TLS support, default=first]) | |
27 | AC_ARG_ENABLE(gnutls, [ --enable-gnutls use GNU TLS for SSL/TLS support, default=second]) | |
28 | AC_ARG_ENABLE(openssl, [ --enable-openssl use OpenSSL for SSL/TLS support, default=third]) | |
29 | AC_ARG_WITH(openssl-libs, [ --with-openssl-libs set directory for OpenSSL library], | |
30 | LDFLAGS="-L$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 $CPPFLAGS",) | |
36 | ||
37 | SSLFLAGS="" | |
38 | SSLLIBS="" | |
89d46774 | 39 | ENCRYPTION_REQUIRED="" |
ef416fc2 | 40 | |
41 | if test x$enable_ssl != xno; then | |
42 | dnl Look for CDSA... | |
43 | if test "x${SSLLIBS}" = "x" -a "x${enable_cdsassl}" != "xno"; then | |
44 | if test $uname = Darwin; then | |
45 | AC_CHECK_HEADER(Security/SecureTransport.h, | |
46 | [SSLLIBS="-framework CoreFoundation -framework Security" | |
89d46774 | 47 | # MacOS X doesn't (yet) come with pre-installed encryption |
48 | # certificates for CUPS, so don't enable encryption on | |
49 | # /admin just yet... | |
50 | #ENCRYPTION_REQUIRED=" Encryption Required" | |
ef416fc2 | 51 | AC_DEFINE(HAVE_SSL) |
52 | AC_DEFINE(HAVE_CDSASSL)]) | |
53 | fi | |
54 | fi | |
55 | ||
56 | dnl Then look for GNU TLS... | |
57 | if test "x${SSLLIBS}" = "x" -a "x${enable_gnutls}" != "xno"; then | |
f301802f | 58 | AC_PATH_PROG(LIBGNUTLSCONFIG,libgnutls-config) |
59 | if test "x$LIBGNUTLSCONFIG" != x; then | |
60 | SSLLIBS=`$LIBGNUTLSCONFIG --libs` | |
61 | SSLFLAGS=`$LIBGNUTLSCONFIG --cflags` | |
62 | ENCRYPTION_REQUIRED=" Encryption Required" | |
63 | AC_DEFINE(HAVE_SSL) | |
64 | AC_DEFINE(HAVE_GNUTLS) | |
65 | fi | |
ef416fc2 | 66 | fi |
67 | ||
68 | dnl Check for the OpenSSL library last... | |
69 | if test "x${SSLLIBS}" = "x" -a "x${enable_openssl}" != "xno"; then | |
70 | AC_CHECK_HEADER(openssl/ssl.h, | |
71 | dnl Save the current libraries so the crypto stuff isn't always | |
72 | dnl included... | |
73 | SAVELIBS="$LIBS" | |
74 | ||
75 | dnl Some ELF systems can't resolve all the symbols in libcrypto | |
76 | dnl if libcrypto was linked against RSAREF, and fail to link the | |
77 | dnl test program correctly, even though a correct installation | |
78 | dnl of OpenSSL exists. So we test the linking three times in | |
79 | dnl case the RSAREF libraries are needed. | |
80 | ||
81 | for libcrypto in \ | |
82 | "-lcrypto" \ | |
83 | "-lcrypto -lrsaref" \ | |
84 | "-lcrypto -lRSAglue -lrsaref" | |
85 | do | |
86 | AC_CHECK_LIB(ssl,SSL_new, | |
87 | [SSLFLAGS="-DOPENSSL_DISABLE_OLD_DES_SUPPORT" | |
88 | SSLLIBS="-lssl $libcrypto" | |
89d46774 | 89 | ENCRYPTION_REQUIRED=" Encryption Required" |
ef416fc2 | 90 | AC_DEFINE(HAVE_SSL) |
91 | AC_DEFINE(HAVE_LIBSSL)],, | |
92 | $libcrypto) | |
93 | ||
94 | if test "x${SSLLIBS}" != "x"; then | |
95 | break | |
96 | fi | |
97 | done | |
98 | ||
99 | LIBS="$SAVELIBS") | |
100 | fi | |
101 | fi | |
102 | ||
f301802f | 103 | if test "x$SSLLIBS" != x; then |
104 | AC_MSG_RESULT([ Using SSLLIBS="$SSLLIBS"]) | |
105 | AC_MSG_RESULT([ Using SSLFLAGS="$SSLFLAGS"]) | |
106 | fi | |
107 | ||
ef416fc2 | 108 | AC_SUBST(SSLFLAGS) |
109 | AC_SUBST(SSLLIBS) | |
89d46774 | 110 | AC_SUBST(ENCRYPTION_REQUIRED) |
ef416fc2 | 111 | |
112 | EXPORT_SSLLIBS="$SSLLIBS" | |
113 | AC_SUBST(EXPORT_SSLLIBS) | |
114 | ||
115 | ||
116 | dnl | |
36080486 | 117 | dnl End of "$Id: cups-ssl.m4 5525 2006-05-15 13:52:16Z mike $". |
ef416fc2 | 118 | dnl |