Disable optimizing of memset() during compilation.
[libpwmd.git] / configure.ac
blob18f7f8e3b0a2dcaa7b4af1613bbe9ee42a374171
1 dnl Process this file with autoconf to produce a configure script.
2 AC_PREREQ(2.60)
3 AC_INIT(libpwmd, 7.0.0-dev, [Ben Kibbey bjk@luxsci.net])
4 AC_CONFIG_MACRO_DIR([m4])
5 AC_CONFIG_AUX_DIR(build)
6 AC_CANONICAL_TARGET
7 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
8 AC_PROG_MAKE_SET
9 #AC_DISABLE_SHARED
10 AC_USE_SYSTEM_EXTENSIONS
11 AC_PROG_LIBTOOL
12 AC_CONFIG_SRCDIR([src/libpwmd.c])
13 AM_CONFIG_HEADER([config.h])
14 AM_GNU_GETTEXT([external])
15 AM_GNU_GETTEXT_VERSION([0.16.1])
17 VER_MAJOR="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`"
18 VER_MINOR="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`"
19 VER_PATCH="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`"
20 AC_SUBST(VER_MAJOR)
21 AC_SUBST(VER_MINOR)
22 AC_SUBST(VER_PATCH)
23 VER_MAJOR_HEX=`printf "%02X" $VER_MAJOR`
24 VER_MINOR_HEX=`printf "%02X" $VER_MINOR`
25 VER_PATCH_HEX=`printf "%02X" $VER_PATCH`
26 AC_SUBST(VER_MAJOR_HEX)
27 AC_SUBST(VER_MINOR_HEX)
28 AC_SUBST(VER_PATCH_HEX)
29 VER_STRING="\"$VERSION\""
30 AC_SUBST(VER_STRING)
32 case "$target_os" in
33     darwin*)
34         LDFLAGS="$LDFLAGS -flat_namespace -L/sw/lib"
35         CPPFLAGS="$CPPFLAGS -I/sw/include -L/sw/lib"
36         ;;
37     linux*)
38         case "$target_cpu" in
39             x86_64*)
40                 LDFLAGS="$LDFLAGS -lrt"
41                 ;;
42             *)
43                 ;;
44         esac
45         ;;
46     *)
47         ;;
48 esac
50 dnl Checks for programs.
51 AC_PROG_CC_C99
53 if test "$ac_cv_prog_cc_c99" = "no"; then
54     AC_MSG_ERROR("Unable to find a C99 compatible compiler.")
57 dnl Borrowed from libssh2!
58 dnl ************************************************************
59 dnl Enable hiding of internal symbols in library to reduce its size and
60 dnl speed dynamic linking of applications.  This currently is only supported
61 dnl on gcc >= 4.0 and SunPro C.
62 dnl
63 AC_MSG_CHECKING([whether to enable hidden symbols in the library])
64 AC_ARG_ENABLE(hidden-symbols,
65 AC_HELP_STRING([--enable-hidden-symbols],[Hide internal symbols in library])
66 AC_HELP_STRING([--disable-hidden-symbols],[Leave all symbols with default visibility in library]),
67 [ case "$enableval" in
68   no)
69        AC_MSG_RESULT(no)
70        ;;
71   *)
72        AC_MSG_CHECKING([whether $CC supports it])
73        if test "$GCC" = yes ; then
74          if $CC --help --verbose 2>&1 | grep fvisibility= > /dev/null ; then
75            AC_MSG_RESULT(yes)
76            AC_DEFINE(LIBPWMD_API, [__attribute__ ((visibility ("default")))], [to make a symbol visible])
77            CFLAGS="$CFLAGS -fvisibility=hidden"
78          else
79             AC_MSG_RESULT(no)
80           fi
82        else
83          dnl Test for SunPro cc
84          if $CC 2>&1 | grep flags >/dev/null && $CC -flags | grep xldscope= >/dev/null ; then
85            AC_MSG_RESULT(yes)
86            AC_DEFINE(LIBPWMD_API, [__global], [to make a symbol visible])
87            CFLAGS="$CFLAGS -xldscope=hidden"
88          else
89            AC_MSG_RESULT(no)
90          fi
91        fi
92        ;;
93   esac ],
94        AC_MSG_RESULT(no)
97 dnl Checks for header files.
98 AC_HEADER_STDC
99 AC_HEADER_SYS_WAIT
100 AC_CHECK_HEADERS([fcntl.h limits.h stdlib.h string.h unistd.h sys/socket.h \
101                   getopt.h netinet/in6.h])
103 dnl Checks for typedefs, structures, and compiler characteristics.
104 AC_C_CONST
105 AC_TYPE_SIZE_T
106 AC_STRUCT_TM
107 AC_TYPE_SSIZE_T
108 AC_TYPE_PID_T
110 ACX_PTHREAD(, AC_MSG_ERROR([Missing or incomplete pthread installation]))
111 PKG_PROG_PKG_CONFIG
113 AC_ARG_ENABLE(interactive, AC_HELP_STRING([--disable-interactive], [Disable interactive mode in pwmc.]),
114                 WITH_INTERACTIVE=no, WITH_INTERACTIVE=yes)
115 AC_MSG_CHECKING([if interactive mode is wanted])
116 AC_MSG_RESULT($WITH_INTERACTIVE)
117 if test "x$WITH_INTERACTIVE" = "xyes"; then
118     VL_LIB_READLINE
120     if test "x$vl_cv_lib_readline" != "xno"; then
121         READLINE_LIBS="$vl_cv_lib_readline"
122         AC_SUBST(READLINE_LIBS)
123     else
124         AC_MSG_ERROR([Missing or incomplete readline installation.])
125         WITH_INTERACTIVE="no"
126     fi
128 AM_CONDITIONAL([WITH_READLINE], [test x"$vl_cv_lib_readline" != "x"])
130 AM_PATH_LIBASSUAN([2.0.1],, AC_MSG_ERROR([libassuan not found]))
131 AM_PATH_GPG_ERROR(,, AC_MSG_ERROR([Missing or incomplete libgpg-error installation.]))
133 AC_ARG_ENABLE(ssh, AC_HELP_STRING([--enable-ssh], [Enable SSH support.]),
134                 WITH_SSH=$enableval, WITH_SSH=no)
135 AC_MSG_CHECKING([if ssh support is wanted])
136 AC_MSG_RESULT($WITH_SSH)
137 if test "x$WITH_SSH" = "xyes"; then
138     AC_MSG_CHECKING([for libssh2 availability])
139     PKG_CHECK_EXISTS([libssh2], have_libssh2=1)
140     WITH_SSH=no
142     if test $have_libssh2; then
143         PKG_CHECK_MODULES([libssh2], [libssh2 >= 1.2.8])
144         AC_DEFINE(WITH_SSH, 1, [Define if you want SSH support.])
145         WITH_SSH=yes
146     else
147         AC_MSG_ERROR([Missing or incomplete libssh2 installation.])
148     fi
150 AM_CONDITIONAL([WITH_SSH], [test "x$WITH_SSH" = "xyes"])
152 AC_ARG_ENABLE(gnutls, AC_HELP_STRING([--enable-gnutls], 
153               [Enable GnuTLS client support.]), WITH_GNUTLS=$enableval,
154               WITH_GNUTLS=no)
155 AC_MSG_CHECKING([if gnutls support is wanted])
156 AC_MSG_RESULT($WITH_GNUTLS)
157 if test "x$WITH_GNUTLS" = "xyes"; then
158     AC_MSG_CHECKING([for libgnutls availability])
159     PKG_CHECK_EXISTS(gnutls, have_libgnutls=1, AC_MSG_ERROR([gnutls pkg-config module not found]))
160     WITH_GNUTLS=no
162     if test $have_libgnutls; then
163         PKG_CHECK_MODULES([GNUTLS], [gnutls])
164         AC_DEFINE(WITH_GNUTLS, 1, [Define if you want GnuTLS support.])
165         WITH_GNUTLS=yes
166     else
167         AC_MSG_ERROR([Missing or incomplete gnutls installation.])
168     fi
170 AM_CONDITIONAL(WITH_GNUTLS, [test "x$WITH_GNUTLS" = "xyes"])
172 dnl Checks for library functions.
173 AC_FUNC_MALLOC
174 AC_FUNC_REALLOC
175 AC_FUNC_STRFTIME
176 AC_FUNC_SELECT_ARGTYPES
177 AC_CHECK_FUNCS([memmove select socket strdup strerror setlocale getcwd \
178                 memset stpcpy strchr strrchr strtok_r getopt_long getpwuid_r])
179 AM_CONDITIONAL([NEED_GETOPT_LONG], [test "$ac_cv_func_getopt_long" != "yes"])
181 AC_DEFUN([AC_MEM_DEBUG],
183     if test "$1"; then
184         ac_cv_sys_mem_debug=$1
185     fi
187     AC_CACHE_CHECK([if memory debugging is wanted], [ac_cv_sys_mem_debug],
188         [ac_cv_sys_mem_debug=no])
189     AM_CONDITIONAL([WITH_MEM_DEBUG], [test "$ac_cv_sys_mem_debug" = "yes"])
192 AC_ARG_ENABLE(mem_debug, AC_HELP_STRING([--enable-mem-debug],
193               [Enable memory debugging.]), AC_MEM_DEBUG([$enableval]),
194               AC_MEM_DEBUG)
196 AM_CONDITIONAL(MEM_DEBUG, test "x${ac_cv_sys_mem_debug}" != "xno")
198 AC_ARG_ENABLE(pinentry, AC_HELP_STRING([--disable-pinentry], 
199               [Disable pinentry(1) support (not pwmd).]), WITH_PINENTRY=no,
200               WITH_PINENTRY=yes)
202 if test "x$WITH_PINENTRY" != "xno"; then
203     AC_CHECK_HEADERS([locale.h])
204     AC_DEFINE(WITH_PINENTRY, 1, [Define if you want local pinentry(1) support.])
207 AM_CONDITIONAL([WITH_PINENTRY], [test "x$WITH_PINENTRY" = "xyes"])
208 pinentry="/usr/bin/pinentry"
210 AC_ARG_WITH(pinentry, AC_HELP_STRING([--with-pinentry=PATH],
211               [Default location of the pinentry binary (/usr/bin/pinentry)]),
212               pinentry="$withval")
214 AC_SUBST(pinentry)
215 AC_DEFINE_UNQUOTED(PINENTRY_PATH, ["$pinentry"],
216                    [Default location of the pinentry binary.])
218 # Cracklib support (requires pinentry support).
219 AC_ARG_ENABLE(quality, AC_HELP_STRING([--enable-quality], 
220               [Enable password quality checking with cracklib.]),
221               WITH_QUALITY=$enableval, WITH_QUALITY=no)
222 if test "x$WITH_QUALITY" = "xyes"; then
223     if test "x$WITH_PINENTRY" != "xyes"; then
224         AC_MSG_ERROR([--enable-quality needs --enable-pinentry])
225     fi
227     AC_CHECK_HEADER([crack.h],, AC_MSG_ERROR([Missing or invalid cracklib installation.]))
228     AC_CHECK_LIB([crack], FascistCheck,, AC_MSG_ERROR([Missing or invalid cracklib installation.]))
229     AC_DEFINE(WITH_QUALITY, 1, [Define if you want password quality checking.])
231 AM_CONDITIONAL(WITH_QUALITY, [test "x$WITH_QUALITY" = "xyes"])
233 crackdict="/var/cache/cracklib/cracklib_dict"
234 AC_ARG_WITH(crackdict, AC_HELP_STRING([--with-crack-dict=PATH],
235               [Location of the cracklib dictionary (/var/cache/cracklib/cracklib_dict).]),
236               crackdict="$withval")
237 AC_SUBST(crackdict)
238 AC_DEFINE_UNQUOTED(CRACKLIB_DICT, ["$crackdict"], [The location of the cracklib dictionary.])
240 dnl Disable optimizing of memset(). GCC and CLang (and others?) accept
241 dnl multiple optimization flags and use the last one specified. The
242 dnl non-optimized memset() may still use any CPU features found in the
243 dnl user specified CFLAGS (-mtune) and libc.
244 CFLAGS_ORIG="$CFLAGS"
245 CFLAGS_MEMZERO="$CFLAGS -O0"
246 CFLAGS=
247 AC_SUBST(CFLAGS_ORIG)
248 AC_SUBST(CFLAGS_MEMZERO)
250 AC_CONFIG_FILES([Makefile libpwmd-7.0.pc doc/Makefile doc/doxygen.conf.in \
251                  doc/pwmc.1 src/Makefile src/libpwmd.h po/Makefile.in])
252 AC_OUTPUT
253 echo
254 echo "Features:"
255 echo "    Interactive pwmc: $WITH_INTERACTIVE"
256 echo "    Ssh: $WITH_SSH"
257 echo "    GnuTLS: $WITH_GNUTLS"
258 echo "    Local pinentry: $WITH_PINENTRY"
259 echo "    Pinentry location: $pinentry"
260 echo "    Local passphrase quality checking: $WITH_QUALITY"
261 echo "    Crack dictionary: $crackdict"
262 echo "    Memory debug: ${ac_cv_sys_mem_debug}"