1# Written by Simon Josefsson <simon@yubico.com>.
2# Copyright (c) 2006-2014 Yubico AB
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met:
8#
9#     * Redistributions of source code must retain the above copyright
10#       notice, this list of conditions and the following disclaimer.
11#
12#     * Redistributions in binary form must reproduce the above
13#       copyright notice, this list of conditions and the following
14#       disclaimer in the documentation and/or other materials provided
15#       with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29AC_INIT([pam_yubico], [2.26])
30AC_CONFIG_AUX_DIR([build-aux])
31AC_CONFIG_MACRO_DIR([m4])
32AM_INIT_AUTOMAKE([1.11 foreign -Wall -Werror])
33AM_SILENT_RULES([yes])
34AM_PROG_CC_C_O
35
36m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
37
38AC_LIBTOOL_WIN32_DLL
39AC_DISABLE_STATIC
40AC_PROG_LIBTOOL
41AM_MISSING_PROG([A2X], a2x, $missing_dir)
42
43AC_CHECK_HEADERS([security/pam_appl.h], [],
44  [AC_MSG_ERROR([[PAM header files not found, install libpam-dev.]])])
45AC_CHECK_HEADERS([security/pam_modules.h security/_pam_macros.h security/pam_modutil.h], [], [],
46  [#include <sys/types.h>
47   #include <security/pam_appl.h>])
48
49AC_CHECK_LIB([pam], [pam_start], [AC_SUBST([LIBPAM], ["-lpam"])])
50
51AC_SEARCH_LIBS([pam_modutil_drop_priv], ["pam"], [AC_DEFINE([HAVE_PAM_MODUTIL_DROP_PRIV], [1])])
52
53AC_ARG_WITH([ldap],
54            [AS_HELP_STRING([--without-ldap],
55              [disable support for ldap])],
56            [],
57            [with_ldap=yes])
58
59          LIBLDAP=
60          AS_IF([test "x$with_ldap" != xno],
61            [AC_CHECK_LIB([ldap], [ldap_init],
62              [AC_SUBST([LIBLDAP], ["-lldap -llber"])
63               AC_DEFINE([HAVE_LIBLDAP], [1],
64                         [Define if you have libldap])
65              ],
66              [AC_MSG_WARN(
67                 [libldap not found, will not be compiled (--without-ldap to disable ldap support)])],
68              [])])
69
70
71AC_LIB_HAVE_LINKFLAGS([ykclient],, [#include <ykclient.h>],
72                      [ykclient_set_proxy(0, 0)])
73if test "$ac_cv_libykclient" != yes; then
74   AC_MSG_ERROR([[Libykclient v2.15+ required, see https://developers.yubico.com/yubico-c-client/]])
75fi
76
77AC_LIB_HAVE_LINKFLAGS(yubikey,, [#include <yubikey.h>],
78                      [yubikey_modhex_p("foo")])
79
80AC_ARG_WITH([cr],
81  [AS_HELP_STRING([--without-cr],
82    [disable support for challenge/response])],
83  [],
84  [with_cr=yes])
85if test "x$with_cr" != xno; then
86  PKG_CHECK_MODULES([YKPERS], [ykpers-1 >= 1.8.0]);
87  # libyubikey required for HAVE_CR
88  if test "$ac_cv_libyubikey" != yes; then
89    AC_MSG_ERROR([Libyubikey v1.5+ not found, see https://developers.yubico.com/yubico-c/ (required for challenge-response)])
90  fi
91fi
92if test -n "$YKPERS_LIBS"; then
93  AC_DEFINE([HAVE_CR], [1], [Define if you have libykpers-1 and libyubikey])
94fi
95AM_CONDITIONAL([YKPERS], [test -n "$YKPERS_LIBS"])
96
97AC_SUBST(PAMDIR, "\$(exec_prefix)/lib/security")
98AC_ARG_WITH(pam-dir,
99  AC_HELP_STRING([--with-pam-dir=DIR],
100                 [Where to install PAM module [[PREFIX/lib/security]]]),
101            [case "${withval}" in
102            /*) PAMDIR="${withval}";;
103            ./*|../*) AC_MSG_ERROR(Bad value for --with-pam-dir);;
104            *)  PAMDIR="\$(exec_prefix)/lib/${withval}";;
105            esac])
106AC_MSG_NOTICE([PAM installation path $PAMDIR])
107
108AC_ARG_ENABLE([coverage],
109              [AS_HELP_STRING([--enable-coverage],
110                              [use Gcov to test the test suite])],
111                              [],
112                              [enable_cov=no])
113AM_CONDITIONAL([ENABLE_COV],[test '!' "$enable_cov" = no])
114
115AC_ARG_ENABLE([cppcheck],
116              [AS_HELP_STRING([--enable-cppcheck],
117                              [run cppcheck])],
118                              [enable_cppcheck="$enableval"],
119                              [enable_cppcheck="no"])
120
121have_cppcheck=no
122AS_IF([test "x$enable_cppcheck" != xno],
123      [AC_PATH_PROG([CPPCHECK], [cppcheck], [NONE])
124      AS_IF([test "x$enable_cppcheck" != xno],
125            [have_cppcheck=yes
126             AC_SUBST([CPPCHECK])],
127             [have_cppcheck=no
128              AS_IF([test "x$enable_cppcheck" != xauto],
129                    [AC_MSG_ERROR([cannot find cppcheck])])])])
130AM_CONDITIONAL([ENABLE_CPPCHECK],[test '!' "$have_cppcheck" = no])
131
132AC_ARG_ENABLE([gcc-warnings],
133  [AS_HELP_STRING([--enable-gcc-warnings],
134      [turn on lots of GCC warnings (for developers)])],
135  [case $enableval in
136     yes|no) ;;
137     *)      AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
138   esac
139   gl_gcc_warnings=$enableval],
140  [gl_gcc_warnings=no]
141)
142
143if test "$gl_gcc_warnings" = yes; then
144  nw="$nw -Wsystem-headers"         # Don't let system headers trigger warnings
145  nw="$nw -Wpadded"                 # Struct's arenot padded
146  nw="$nw -Wc++-compat"             # We don't care strongly about C++ compilers
147  nw="$nw -Wtraditional"            # Warns on #elif which we use often
148  nw="$nw -Wtraditional-conversion" # Too many warnings for now
149  nw="$nw -Wconversion"             # Too many warnings for now
150  nw="$nw -Wsuggest-attribute=pure" # Is it worth using attributes?
151  nw="$nw -Woverlength-strings"     # Don't warn on long strings
152
153  gl_MANYWARN_ALL_GCC([ws])
154  gl_MANYWARN_COMPLEMENT(ws, [$ws], [$nw])
155  for w in $ws; do
156    gl_WARN_ADD([$w])
157  done
158
159  gl_WARN_ADD([-fdiagnostics-show-option])
160fi
161
162AC_CONFIG_FILES(Makefile)
163AC_CONFIG_FILES(tests/Makefile)
164AC_OUTPUT
165
166AC_MSG_NOTICE([Summary of build options:
167
168  Version:            ${VERSION}
169  Host type:          ${host}
170  Install prefix:     ${prefix}
171  Compiler:           ${CC}
172  Library types:      Shared=${enable_shared}, Static=${enable_static}
173  LDAP:               ${with_ldap}
174  Challenge-Response: ${with_cr}
175])
176