check for the correct version of libidn
[gnutls:gnutls.git] / configure.ac
1 dnl Process this file with autoconf to produce a configure script.
2 # Copyright (C) 2000-2012 Free Software Foundation, Inc.
3 #
4 # Author: Nikos Mavrogiannopoulos, Simon Josefsson
5 #
6 # This file is part of GnuTLS.
7 #
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 3 of the License, or
11 # (at your option) any later version.
12 #
13 # This program is distributed in the hope that it will be useful, but
14 # WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 # General Public License for more details.
17 #
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
21 # USA
22
23 AC_PREREQ(2.61)
24 AC_INIT([GnuTLS], [3.4.0], [bugs@gnutls.org])
25 AC_CONFIG_AUX_DIR([build-aux])
26 AC_CONFIG_MACRO_DIR([m4])
27 AC_CANONICAL_HOST
28
29 AM_INIT_AUTOMAKE([1.12.2 subdir-objects no-dist-gzip dist-xz dist-lzip -Wall -Wno-override])
30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
31 AC_CONFIG_HEADERS([config.h])
32
33 AC_MSG_RESULT([***
34 *** Checking for compilation programs...
35 ])
36
37 dnl Checks for programs.
38 AC_PROG_CC
39 gl_EARLY
40 ggl_EARLY
41 AM_PROG_AS
42 AM_PROG_AR
43 AC_PROG_CXX
44 AM_PROG_CC_C_O
45 AC_PROG_YACC
46 AC_PROG_SED
47 AC_CHECK_PROG([AUTOGEN], [autogen], [autogen], [/bin/true])
48
49 if test x"$AUTOGEN" = "x/bin/true"; then
50   AC_MSG_WARN([[
51 ***
52 *** autogen not found. Will not link against libopts.
53 *** ]])
54 enable_local_libopts=yes
55 fi
56
57 # For includes/gnutls/gnutls.h.in.
58 AC_SUBST(MAJOR_VERSION, `echo $PACKAGE_VERSION | sed 's/\(.*\)\..*\..*/\1/g'`)
59 AC_SUBST(MINOR_VERSION, `echo $PACKAGE_VERSION | sed 's/.*\.\(.*\)\..*/\1/g'`)
60 AC_SUBST(PATCH_VERSION, [[`echo $PACKAGE_VERSION | sed 's/.*\..*\.\([0-9]*\).*/\1/g'`]])
61 AC_SUBST(NUMBER_VERSION, `printf "0x%02x%02x%02x" $MAJOR_VERSION $MINOR_VERSION $PATCH_VERSION`)
62
63 touch suppressions.valgrind
64 dnl C and C++ capabilities
65 AC_C_INLINE
66 AC_HEADER_STDC
67
68 # For the C++ code
69 AC_ARG_ENABLE(cxx,
70   AS_HELP_STRING([--disable-cxx], [unconditionally disable the C++ library]),
71     use_cxx=$enableval, use_cxx=yes)
72 if test "$use_cxx" != "no"; then
73   AC_LANG_PUSH(C++)
74   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], use_cxx=yes, use_cxx=no)
75   AC_LANG_POP(C++)
76 fi
77 AM_CONDITIONAL(ENABLE_CXX, test "$use_cxx" != "no")
78 AM_CONDITIONAL(WANT_TEST_SUITE, [test -f tests/suite/mini-eagain2.c])
79
80 dnl Detect windows build
81 case "$host" in
82   *mingw32* | *mingw64*)
83     have_win=yes
84   ;;
85   *darwin*)
86     have_macosx=yes
87   ;;
88   *)
89     have_elf=yes
90   ;;
91 esac
92
93 AM_CONDITIONAL(WINDOWS, test "$have_win" = yes)
94 AM_CONDITIONAL(MACOSX, test "$have_macosx" = yes)
95 AM_CONDITIONAL(ELF, test "$have_elf" = yes)
96
97 dnl Hardware Acceleration
98 AC_ARG_ENABLE(hardware-acceleration,
99   AS_HELP_STRING([--disable-hardware-acceleration], [unconditionally disable hardware acceleration]),
100     use_accel=$enableval, use_accel=yes)
101 hw_accel=none
102
103
104 if test "$use_accel" != "no"; then
105 case $host_cpu in
106   i?86 | x86_64 | amd64)
107       AC_CHECK_HEADERS(cpuid.h)
108       if test "$host_cpu" = "x86_64" || test "$host_cpu" = "amd64"; then
109         hw_accel="x86-64"
110       else
111         hw_accel="x86"
112       fi
113   ;;
114   *)
115   ;;
116 esac
117
118 fi
119
120 AM_CONDITIONAL(ASM_X86_64, test x"$hw_accel" = x"x86-64")
121 AM_CONDITIONAL(ASM_X86_32, test x"$hw_accel" = x"x86")
122 AM_CONDITIONAL(ASM_X86, test x"$hw_accel" = x"x86" || test x"$hw_accel" = x"x86-64")
123 AM_CONDITIONAL(HAVE_GCC_GNU89_INLINE_OPTION, test "$gnu89_inline" = "yes"])
124 AM_CONDITIONAL(HAVE_GCC, test "$GCC" = "yes")
125
126
127 dnl Try the hooks.m4
128 LIBGNUTLS_HOOKS
129 LIBGNUTLS_EXTRA_HOOKS
130
131 AC_ARG_ENABLE(doc,
132   AS_HELP_STRING([--disable-doc], [don't generate any documentation]),
133     enable_doc=$enableval, enable_doc=yes)
134 AM_CONDITIONAL(ENABLE_DOC, test "$enable_doc" != "no")
135
136 AC_ARG_ENABLE(tests,
137   AS_HELP_STRING([--disable-tests], [don't compile or run any tests]),
138     enable_tests=$enableval, enable_tests=yes)
139 AM_CONDITIONAL(ENABLE_TESTS, test "$enable_tests" != "no")
140
141 GTK_DOC_CHECK(1.1)
142 AM_GNU_GETTEXT([external])
143 AM_GNU_GETTEXT_VERSION([0.18])
144
145 AC_C_BIGENDIAN
146
147 dnl No fork on MinGW, disable some self-tests until we fix them.
148 dnl Check clock_gettime and pthread_mutex_lock in libc (avoid linking to other libs)
149 AC_CHECK_FUNCS([fork inet_ntop inet_pton getrusage getpwuid_r nanosleep daemon getpid clock_gettime iconv localtime vasprintf],,)
150 AM_CONDITIONAL(HAVE_FORK, test "$ac_cv_func_fork" != "no")
151
152 AC_CHECK_FUNCS([pthread_atfork __register_atfork],,)
153
154 AC_LIB_HAVE_LINKFLAGS(rt,, [#include <time.h>
155 #include <signal.h>
156 ], [timer_create (0,0,0);])
157
158 if test "$have_win" != "yes";then
159   AC_CHECK_FUNCS([pthread_mutex_lock],,)
160   if test "$ac_cv_func_pthread_mutex_lock" != "yes";then
161     AC_LIB_HAVE_LINKFLAGS(pthread,, [#include <pthread.h>], [pthread_mutex_lock (0);])
162   fi
163 fi
164
165 if test "$ac_cv_func_nanosleep" != "yes";then
166   AC_LIB_HAVE_LINKFLAGS(rt,, [#include <time.h>], [nanosleep (0, 0);])
167   gnutls_needs_librt=yes
168 fi
169
170 if test "$ac_cv_func_clock_gettime" != "yes";then
171   AC_LIB_HAVE_LINKFLAGS(rt,, [#include <time.h>], [clock_gettime (0, 0);])
172   gnutls_needs_librt=yes
173 fi
174
175 ac_have_unicode=no
176 if test "$ac_cv_func_iconv" != "yes";then
177   AC_LIB_HAVE_LINKFLAGS(iconv,, [#include <iconv.h>], [iconv (0, 0, 0, 0, 0);])
178   if test "$HAVE_LIBICONV" = "yes";then
179     ac_have_unicode=yes
180   fi
181 else
182   ac_have_unicode=yes
183 fi
184
185 if test "$ac_have_unicode" != "yes";then
186   if test "$have_win" = "yes";then
187     ac_have_unicode=yes
188   fi
189 fi
190
191 dnl Note that g*l_INIT are run after we check for library capabilities,
192 dnl to prevent issues from caching lib dependencies. See discussion
193 dnl in https://bugs.gentoo.org/show_bug.cgi?id=494940 and
194 dnl http://gnu-autoconf.7623.n7.nabble.com/Correct-way-to-check-for-clock-gettime-td12276.html
195 gl_INIT
196 ggl_INIT
197
198 dnl GCC warnings to enable
199
200 AC_ARG_ENABLE([gcc-warnings],
201   [AS_HELP_STRING([--enable-gcc-warnings],
202                   [turn on lots of GCC warnings (for developers)])],
203   [case $enableval in
204      yes|no) ;;
205      *)      AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
206    esac
207    gl_gcc_warnings=$enableval],
208   [gl_gcc_warnings=no]
209 )
210
211 if test "$gl_gcc_warnings" = yes; then
212   gl_WARN_ADD([-Wframe-larger-than=1024], [WSTACK_CFLAGS])
213
214   nw="$nw -Wsystem-headers"         # Don't let system headers trigger warnings
215   nw="$nw -Wc++-compat"             # We don't care about C++ compilers
216   nw="$nw -Wundef"                  # Warns on '#if GNULIB_FOO' etc in gnulib
217   nw="$nw -Wtraditional"            # Warns on #elif which we use often
218   nw="$nw -Wlogical-op"             # Too many false positives
219   nw="$nw -Wold-style-definition"   # 
220   nw="$nw -Wpadded"                 # Our structs are not padded
221   nw="$nw -Wunreachable-code"       # Too many false positives
222   nw="$nw -Wtraditional-conversion" # Too many warnings for now
223   nw="$nw -Wcast-qual"              # Too many warnings for now
224   nw="$nw -Waggregate-return"       # Too many warnings for now
225   nw="$nw -Wshadow"                 # Too many warnings for now
226   nw="$nw -Wswitch-default"         # Too many warnings for now
227   nw="$nw -Wswitch-enum"            # Too many warnings for now
228   nw="$nw -Wconversion"             # Too many warnings for now
229   nw="$nw -Wsign-conversion"        # Too many warnings for now
230   nw="$nw -Wformat-y2k"             # Too many warnings for now
231   nw="$nw -Woverlength-strings"     # We use some in tests/
232   nw="$nw -Wvla"                    # There is no point to avoid C99 variable length arrays
233   nw="$nw -Wformat-nonliteral"      # Incompatible with gettext _()
234   nw="$nw -Wunsafe-loop-optimizations"
235   nw="$nw -Wstrict-overflow"
236   nw="$nw -Wmissing-noreturn"
237   nw="$nw -Winline"                 # Too compiler dependent
238   nw="$nw -Wsuggest-attribute=pure" # Is it worth using attributes?
239   nw="$nw -Wsuggest-attribute=const" # Is it worth using attributes?
240   nw="$nw -Wsuggest-attribute=noreturn" # Is it worth using attributes?
241   nw="$nw -Wstack-protector"        # Some functions cannot be protected
242   nw="$nw -Wredundant-decls"        # Some files cannot be compiled with that (gl_fd_to_handle)
243
244   gl_MANYWARN_ALL_GCC([ws])
245   gl_MANYWARN_COMPLEMENT(ws, [$ws], [$nw])
246   for w in $ws; do
247     gl_WARN_ADD([$w])
248   done
249
250   gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
251   gl_WARN_ADD([-Wno-format-y2k])     # Too many warnings for now
252   gl_WARN_ADD([-Wno-unused-value]) # warnings for things we don't want to get
253   gl_WARN_ADD([-Wno-unused-result]) # warnings for things we don't want to get
254   gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
255   gl_WARN_ADD([-Wno-stack-protector])  # Some functions cannot be protected
256   gl_WARN_ADD([-Wno-int-to-pointer-cast])  # Some files cannot be compiled with that (gl_fd_to_handle)
257   gl_WARN_ADD([-fdiagnostics-show-option])
258 fi
259
260 AC_SUBST([WERROR_CFLAGS])
261 AC_SUBST([WSTACK_CFLAGS])
262 AC_SUBST([WARN_CFLAGS])
263
264 dnl Programs for compilation or development
265 AC_PROG_LN_S
266 LT_INIT([disable-static,win32-dll,shared])
267
268
269
270 AC_ARG_ENABLE(self-checks,
271   AS_HELP_STRING([--enable-self-checks], [enable self checking functionality]),
272     enable_self_checks=$enableval, enable_self_checks=no)
273
274 AC_ARG_ENABLE(fips140-mode,
275   AS_HELP_STRING([--enable-fips140-mode], [enable FIPS140-2 mode (implies self checks)]),
276     enable_fips=$enableval, enable_fips=no)
277 AM_CONDITIONAL(ENABLE_FIPS140, test "$enable_fips" = "yes")
278 if [ test "$enable_fips" = "yes" ];then
279   AC_LIB_HAVE_LINKFLAGS(dl,, [#include <dlfcn.h>], [dladdr (0, 0);])
280   if test "x$HAVE_LIBDL" = "xyes";then
281     enable_self_checks=yes
282
283     AC_DEFINE([ENABLE_FIPS140], 1, [Enable FIPS140-2 mode])
284
285     AC_SUBST([FIPS140_LIBS], $LIBDL)
286   else
287     enable_fips=no
288     AC_MSG_WARN([[
289 *** 
290 *** This system is not supported in FIPS140 mode.
291 *** libdl and dladdr() are required.
292 *** ]])
293   fi
294 fi
295
296 PKG_CHECK_MODULES(LIBIDN, libidn >= 0.5.6, [with_libidn=yes], [with_libidn=no])
297 if test "$with_libidn" != "no";then
298         AC_DEFINE([HAVE_LIBIDN], 1, [Build IDNA support])
299         if test "x$GNUTLS_REQUIRES_PRIVATE" = "x"; then
300                 GNUTLS_REQUIRES_PRIVATE="Requires.private: libidn"
301         else
302                 GNUTLS_REQUIRES_PRIVATE="${GNUTLS_REQUIRES_PRIVATE}, libidn"
303         fi
304 else
305         with_libidn=no
306         AC_MSG_WARN([[
307 *** 
308 *** libidn was not found. IDNA support will be disabled.
309 *** ]])
310 fi
311
312 AM_CONDITIONAL(HAVE_LIBIDN, test "$with_libidn" != "no")
313
314 AC_ARG_ENABLE(non-suiteb-curves,
315   AS_HELP_STRING([--disable-non-suiteb-curves], [disable curves not in SuiteB]),
316     enable_non_suiteb=$enableval, enable_non_suiteb=yes)
317 if [ test "$enable_non_suiteb" = "yes" ];then
318   AC_DEFINE([ENABLE_NON_SUITEB_CURVES], 1, [Enable all curves])
319 fi
320
321 AM_CONDITIONAL(ENABLE_SELF_CHECKS, test "$enable_self_checks" = "yes")
322 if [ test "$enable_self_checks" = "yes" ];then
323    AC_DEFINE([ENABLE_SELF_CHECKS], 1, [Self checks are included in the library])
324 fi
325
326 AC_MSG_CHECKING([whether to build libdane])
327 AC_ARG_ENABLE(libdane,
328     AS_HELP_STRING([--disable-libdane],
329                    [disable the built of libdane]),
330     enable_dane=$enableval, enable_dane=yes)
331 AC_MSG_RESULT($enable_dane)
332
333 if test "$enable_dane" != "no"; then
334     LIBS="$oldlibs -lunbound"
335     AC_MSG_CHECKING([for unbound library])
336     AC_LINK_IFELSE([AC_LANG_PROGRAM([
337                    #include <unbound.h>],[
338                    struct ub_ctx* ctx;
339                    ctx = ub_ctx_create();])],
340                   [AC_MSG_RESULT(yes)
341                    AC_SUBST([UNBOUND_LIBS], [-lunbound])
342                    AC_SUBST([UNBOUND_CFLAGS], [])
343                    AC_DEFINE([HAVE_DANE], 1, [Enable the DANE library])
344                    enable_dane=yes],
345                   [AC_MSG_RESULT(no)
346                    AC_MSG_WARN([[
347 *** 
348 *** libunbound was not found. Libdane will not be built.
349 *** ]])
350                   enable_dane=no])
351     LIBS="$oldlibs"
352 fi
353
354 AM_CONDITIONAL(ENABLE_DANE, test "$enable_dane" = "yes")
355
356 AC_ARG_WITH(unbound-root-key-file, AS_HELP_STRING([--with-unbound-root-key-file],
357                                  [specify the unbound root key file]),
358             unbound_root_key_file="$withval", 
359 if test "$have_win" = yes; then
360     unbound_root_key_file="C:\\Program Files\\Unbound\\root.key"
361 else
362     if test -f /var/lib/unbound/root.key;then
363         unbound_root_key_file="/var/lib/unbound/root.key"
364     else
365         unbound_root_key_file="/etc/unbound/root.key"
366     fi
367 fi
368 )
369
370 AC_DEFINE_UNQUOTED([UNBOUND_ROOT_KEY_FILE],
371   ["$unbound_root_key_file"], [The DNSSEC root key file])
372
373 AC_ARG_WITH(system-priority-file, AS_HELP_STRING([--with-system-priority-file],
374                                  [specify the system priority file]),
375             system_priority_file="$withval", 
376 system_priority_file="/etc/gnutls/default-priorities"
377 )
378
379 AC_DEFINE_UNQUOTED([SYSTEM_PRIORITY_FILE],
380   ["$system_priority_file"], [The system priority file])
381
382 dnl Check for p11-kit
383 P11_KIT_MINIMUM=0.20.0
384 AC_ARG_WITH(p11-kit,
385         AS_HELP_STRING([--without-p11-kit],
386                 [Build without p11-kit and PKCS#11 support]))
387 if test "$with_p11_kit" != "no"; then
388         PKG_CHECK_MODULES(P11_KIT, [p11-kit-1 >= $P11_KIT_MINIMUM], [with_p11_kit=yes], [with_p11_kit=no])
389         if test "$with_p11_kit" != "no";then
390                 AC_DEFINE([ENABLE_PKCS11], 1, [Build PKCS#11 support])
391                 if test "x$GNUTLS_REQUIRES_PRIVATE" = "x"; then
392                         GNUTLS_REQUIRES_PRIVATE="Requires.private: p11-kit-1"
393                 else
394                         GNUTLS_REQUIRES_PRIVATE="${GNUTLS_REQUIRES_PRIVATE}, p11-kit-1"
395                 fi
396         else
397                 with_p11_kit=no
398                 AC_MSG_WARN([[
399 *** 
400 *** p11-kit >= $P11_KIT_MINIMUM was not found. PKCS #11 support will be disabled.
401 *** You may get it from http://p11-glue.freedesktop.org/p11-kit.html
402 *** ]])
403         fi
404 fi
405
406 AM_CONDITIONAL(ENABLE_PKCS11, test "$with_p11_kit" != "no")
407
408 AC_ARG_WITH(tpm,
409         AS_HELP_STRING([--without-tpm],
410                 [Disable TPM (trousers) support.]),
411                 [with_tpm=$withval], [with_tpm=yes])
412 if test "$with_tpm" != "no"; then
413     LIBS="$oldlibs -ltspi"
414     AC_MSG_CHECKING([for tss library])
415     AC_LINK_IFELSE([AC_LANG_PROGRAM([
416                    #include <trousers/tss.h>
417                    #include <trousers/trousers.h>],[
418                    int err = Tspi_Context_Create((void *)0);
419                    Trspi_Error_String(err);])],
420                   [AC_MSG_RESULT(yes)
421                    AC_SUBST([TSS_LIBS], [-ltspi])
422                    AC_SUBST([TSS_CFLAGS], [])
423                    AC_DEFINE([HAVE_TROUSERS], 1, [Enable TPM])
424                    with_tpm=yes],
425                   [AC_MSG_RESULT(no)
426                    AC_MSG_WARN([[
427 *** 
428 *** trousers was not found. TPM support will be disabled.
429 *** ]])
430                   with_tpm=no])
431     LIBS="$oldlibs"
432 fi
433
434 AM_CONDITIONAL(ENABLE_TROUSERS, test "$with_tpm" != "no")
435
436 LIBOPTS_CHECK([src/libopts])
437 if test "$NEED_LIBOPTS_DIR" = "true";then
438         dnl replace libopts-generated files with distributed backups, if present
439         missing_baks=
440         for i in ${srcdir}/src/*-args.c.bak ${srcdir}/src/*-args.h.bak; do
441                 nam=`echo $i|sed 's/.bak//g'`
442                 if test -f $i;then
443                         cp -f $i $nam
444                 else
445                         missing_baks=true
446                 fi
447         done
448         if test -z "$missing_baks"; then
449                 AC_SUBST([AUTOGEN], [/bin/true])
450         fi
451         enable_local_libopts=yes
452 else
453         enable_local_libopts=no
454 fi
455 AM_CONDITIONAL(NEED_LIBOPTS, test "$enable_local_libopts" = "yes")
456
457 AC_CHECK_TYPE(ssize_t,
458   [
459     DEFINE_SSIZE_T="#include <sys/types.h>"
460     AC_SUBST(DEFINE_SSIZE_T)
461   ], [
462     AC_DEFINE([NO_SSIZE_T], 1, [no ssize_t type was found])
463     DEFINE_SSIZE_T="typedef int ssize_t;"
464     AC_SUBST(DEFINE_SSIZE_T)
465   ], [
466     #include <sys/types.h>
467   ])
468
469 # For minitasn1.
470 AC_CHECK_SIZEOF(unsigned long int, 4)
471 AC_CHECK_SIZEOF(unsigned int, 4)
472
473 AC_ARG_WITH(zlib, AS_HELP_STRING([--without-zlib],
474                                  [disable zlib compression support]),
475             ac_zlib=$withval, ac_zlib=yes)
476 AC_MSG_CHECKING([whether to include zlib compression support])
477 if test x$ac_zlib != xno; then
478  AC_MSG_RESULT(yes)
479  AC_LIB_HAVE_LINKFLAGS(z,, [#include <zlib.h>], [compress (0, 0, 0, 0);])
480  if test x$ac_cv_libz != xyes; then
481    AC_MSG_WARN(
482 *** 
483 *** ZLIB was not found. You will not be able to use ZLIB compression.)
484  fi
485 else
486  AC_MSG_RESULT(no)
487 fi
488
489 PKG_CHECK_EXISTS(zlib, ZLIB_HAS_PKGCONFIG=y, ZLIB_HAS_PKGCONFIG=n)
490
491 if test x$ac_zlib != xno; then
492   if test "$ZLIB_HAS_PKGCONFIG" = "y" ; then
493     if test "x$GNUTLS_REQUIRES_PRIVATE" = x; then
494       GNUTLS_REQUIRES_PRIVATE="Requires.private: zlib"
495     else
496       GNUTLS_REQUIRES_PRIVATE="$GNUTLS_REQUIRES_PRIVATE, zlib"
497     fi
498   fi
499 fi
500 AC_SUBST(GNUTLS_REQUIRES_PRIVATE)
501
502
503
504 AC_ARG_WITH([default-trust-store-pkcs11],
505   [AS_HELP_STRING([--with-default-trust-store-pkcs11=URI],
506     [use the given pkcs11 uri as default trust store])])
507
508 if test "x$with_default_trust_store_pkcs11" != x; then
509   if test "x$with_p11_kit" = xno; then
510     AC_MSG_ERROR([cannot use pkcs11 store without p11-kit])
511   fi
512   AC_DEFINE_UNQUOTED([DEFAULT_TRUST_STORE_PKCS11],
513     ["$with_default_trust_store_pkcs11"], [use the given pkcs11 uri as default trust store])
514 fi
515
516 AC_ARG_WITH([default-trust-store-dir],
517   [AS_HELP_STRING([--with-default-trust-store-dir=DIR],
518     [use the given directory as default trust store])])
519
520 if test "x$with_default_trust_store_dir" != x; then
521   AC_DEFINE_UNQUOTED([DEFAULT_TRUST_STORE_DIR],
522     ["$with_default_trust_store_dir"], [use the given directory as default trust store])
523 fi
524
525 dnl auto detect http://lists.gnu.org/archive/html/help-gnutls/2012-05/msg00004.html
526 AC_ARG_WITH([default-trust-store-file],
527   [AS_HELP_STRING([--with-default-trust-store-file=FILE],
528     [use the given file default trust store])], with_default_trust_store_file="$withval",
529   [if test "$build" = "$host" && test x$with_default_trust_store_pkcs11 = x && test x$with_default_trust_store_dir = x;then
530   for i in \
531     /etc/ssl/ca-bundle.pem \
532     /etc/ssl/certs/ca-certificates.crt \
533     /etc/pki/tls/cert.pem \
534     /usr/local/share/certs/ca-root-nss.crt \
535     /etc/ssl/cert.pem
536     do
537     if test -e "$i"; then
538       with_default_trust_store_file="$i"
539       break
540     fi
541   done
542   fi]
543 )
544
545 if test "$with_default_trust_store_file" = "no";then
546   with_default_trust_store_file=""
547 fi
548
549 AC_ARG_WITH([default-crl-file],
550   [AS_HELP_STRING([--with-default-crl-file=FILE],
551     [use the given CRL file as default])])
552
553 AC_ARG_WITH([default-blacklist-file],
554   [AS_HELP_STRING([--with-default-blacklist-file=FILE],
555     [use the given certificate blacklist file as default])])
556
557 if test "x$with_default_trust_store_file" != x; then
558   AC_DEFINE_UNQUOTED([DEFAULT_TRUST_STORE_FILE],
559     ["$with_default_trust_store_file"], [use the given file default trust store])
560 fi
561
562 if test "x$with_default_crl_file" != x; then
563   AC_DEFINE_UNQUOTED([DEFAULT_CRL_FILE],
564     ["$with_default_crl_file"], [use the given CRL file])
565 fi
566
567 if test "x$with_default_blacklist_file" != x; then
568   AC_DEFINE_UNQUOTED([DEFAULT_BLACKLIST_FILE],
569     ["$with_default_blacklist_file"], [use the given certificate blacklist file])
570 fi
571
572 dnl Guile bindings.
573 opt_guile_bindings=yes
574 AC_MSG_CHECKING([whether building Guile bindings])
575 AC_ARG_ENABLE(guile,
576         AS_HELP_STRING([--enable-guile], [build GNU Guile bindings]),
577 opt_guile_bindings=$enableval)
578 AC_MSG_RESULT($opt_guile_bindings)
579
580 AC_ARG_WITH([guile-site-dir],
581   [AS_HELP_STRING([--with-guile-site-dir],
582      [use the given directory as the Guile site (use with care)])])
583
584 if test "$opt_guile_bindings" = "yes"; then
585    AC_MSG_RESULT([***
586 *** Detecting GNU Guile...
587 ])
588
589    AC_PATH_PROG([guile_snarf], [guile-snarf])
590    if test "x$guile_snarf" = "x"; then
591       AC_MSG_WARN([`guile-snarf' from Guile 1.8 not found.  Guile bindings not built.])
592       opt_guile_bindings=no
593    else
594       GUILE_PROGS
595       GUILE_FLAGS
596
597       save_CFLAGS="$CFLAGS"
598       save_LIBS="$LIBS"
599       CFLAGS="$CFLAGS $GUILE_CFLAGS"
600       LIBS="$LIBS $GUILE_LDFLAGS"
601       AC_MSG_CHECKING([whether GNU Guile is recent enough])
602       AC_LINK_IFELSE([AC_LANG_PROGRAM([], [scm_from_locale_string ("")])],
603         [], [opt_guile_bindings=no])
604       CFLAGS="$save_CFLAGS"
605       LIBS="$save_LIBS"
606
607       if test "$opt_guile_bindings" = "yes"; then
608         AC_MSG_RESULT([yes])
609         case "x$with_guile_site_dir" in 
610              xno)
611                 # Use the default $(GUILE_SITE).
612                 GUILE_SITE_DIR
613                 ;;
614              x|xyes)
615                 # Automatically derive $(GUILE_SITE) from $(pkgdatadir).  This
616                 # hack is used to allow `distcheck' to work (see
617                 # `DISTCHECK_CONFIGURE_FLAGS' in the top-level `Makefile.am').
618                 GUILE_SITE="\$(datadir)/guile/site"
619                 AC_SUBST(GUILE_SITE)
620                 ;;
621              *)
622                 # Use the user-specified directory as $(GUILE_SITE).
623                 GUILE_SITE="$with_guile_site_dir"
624                 AC_SUBST(GUILE_SITE)
625                 ;;
626         esac
627         AC_MSG_CHECKING([whether gcc supports -fgnu89-inline])
628         _gcc_cflags_save="$CFLAGS"
629         CFLAGS="${CFLAGS} -fgnu89-inline"
630         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
631                           gnu89_inline=yes, gnu89_inline=no)
632         AC_MSG_RESULT($gnu89_inline)
633         CFLAGS="$_gcc_cflags_save"
634
635         # Optional Guile functions.
636         save_CFLAGS="$CFLAGS"
637         save_LIBS="$LIBS"
638         CFLAGS="$CFLAGS $GUILE_CFLAGS"
639         LIBS="$LIBS $GUILE_LDFLAGS"
640         AC_CHECK_FUNCS([scm_gc_malloc_pointerless])
641         CFLAGS="$save_CFLAGS"
642         LIBS="$save_LIBS"
643
644         # The place where guile-gnutls.la will go.
645         AC_MSG_CHECKING([the Guile effective version])
646         guile_effective_version="`$GUILE -c '(display (effective-version))'`"
647         AC_MSG_RESULT([$guile_effective_version])
648         guileextensiondir="$libdir/guile/$guile_effective_version"
649         AC_SUBST([guileextensiondir])
650       else
651         AC_MSG_RESULT([no])
652         AC_MSG_WARN([A sufficiently recent GNU Guile not found.  Guile bindings not built.])
653         opt_guile_bindings=no
654       fi
655    fi
656 fi
657 AM_CONDITIONAL(HAVE_GUILE, test "$opt_guile_bindings" = "yes")
658
659 LIBGNUTLS_LIBS="-L${libdir} -lgnutls $LIBS"
660 LIBGNUTLS_CFLAGS="-I${includedir}"
661 AC_SUBST(LIBGNUTLS_LIBS)
662 AC_SUBST(LIBGNUTLS_CFLAGS)
663
664 AM_CONDITIONAL(NEEDS_LIBRT, test "$gnutls_needs_librt" = "yes")
665
666 AC_DEFINE([GNUTLS_COMPAT_H], 1, [Make sure we don't use old features in code.])
667 AC_DEFINE([GNUTLS_INTERNAL_BUILD], 1, [We allow temporarily usage of deprecated functions - until they are removed.])
668
669 AC_DEFINE([fread_file], [_gnutls_fread_file], [static lib rename])
670 AC_DEFINE([read_file], [_gnutls_read_file], [static lib rename])
671 AC_DEFINE([read_binary_file], [_gnutls_read_binary_file], [static lib rename])
672
673 dnl Crywrap dependencies
674    AC_MSG_RESULT([***
675 *** Checking dependencies for crywrap...
676 ])
677
678 crywrap=no
679
680 if test "$have_win" != "yes"; then
681
682 AC_CHECK_HEADERS([arpa/inet.h netinet/in.h sys/select.h sys/types.h sys/wait.h])
683
684 dnl **********************
685 dnl * Typedefs & co
686 dnl **********************
687 AC_CACHE_CHECK([return type of signal handlers],[ac_cv_type_signal],[AC_COMPILE_IFELSE(
688 [AC_LANG_PROGRAM([#include <sys/types.h>
689 #include <signal.h>
690 ],
691                  [return *(signal (0, 0)) (0) == 1;])],
692                    [ac_cv_type_signal=int],
693                    [ac_cv_type_signal=void])])
694 AC_DEFINE_UNQUOTED([RETSIGTYPE],[$ac_cv_type_signal],[Define as the return type of signal handlers
695                     (`int' or `void').])
696
697 AC_FUNC_SELECT_ARGTYPES
698 AC_CHECK_FUNCS([alarm atexit dup2 epoll_create kqueue memchr memset munmap \
699                 putenv regcomp scandir select socket strcasecmp strchr \
700                 strdup strerror strncasecmp strrchr strstr strtoul uname])
701
702 AC_ARG_ENABLE(crywrap,
703         AS_HELP_STRING([--disable-crywrap], [unconditionally disable the crywrap TLS proxy service]))
704
705
706  if test "x$enable_crywrap" != "xno" ; then
707         AC_CHECK_FUNCS([argp_usage],[ac_argp=yes],[ac_argp=no])
708  fi
709
710  if test "$ac_cv_func_daemon" != "no" && test "$ac_argp" != "no";then
711   crywrap=yes
712  fi
713
714 fi
715
716 AM_CONDITIONAL(ENABLE_CRYWRAP, test "x$crywrap" != "xno")
717
718 dnl end of crywrap requirements
719
720 dnl Some variables needed in makefiles
721 YEAR=`date +%Y`
722 AC_SUBST([YEAR], $YEAR)
723
724 AC_CONFIG_FILES([guile/pre-inst-guile], [chmod +x guile/pre-inst-guile])
725 AC_CONFIG_FILES([
726   Makefile
727   doc/Makefile
728   doc/credentials/Makefile
729   doc/credentials/openpgp/Makefile
730   doc/credentials/srp/Makefile
731   doc/credentials/x509/Makefile
732   doc/cyclo/Makefile
733   doc/doxygen/Doxyfile
734   doc/examples/Makefile
735   doc/latex/Makefile
736   doc/manpages/Makefile
737   doc/reference/Makefile
738   doc/reference/version.xml
739   doc/scripts/Makefile
740   extra/Makefile
741   extra/includes/Makefile
742   libdane/Makefile
743   libdane/includes/Makefile
744   libdane/gnutls-dane.pc
745   gl/Makefile
746   gl/tests/Makefile
747   guile/Makefile
748   guile/modules/Makefile
749   guile/src/Makefile
750   guile/tests/Makefile
751   lib/Makefile
752   lib/accelerated/Makefile
753   lib/accelerated/x86/Makefile
754   lib/algorithms/Makefile
755   lib/auth/Makefile
756   lib/ext/Makefile
757   lib/extras/Makefile
758   lib/gnutls.pc
759   lib/includes/Makefile
760   lib/includes/gnutls/gnutls.h
761   lib/minitasn1/Makefile
762   lib/nettle/Makefile
763   lib/opencdk/Makefile
764   lib/openpgp/Makefile
765   lib/x509/Makefile
766   po/Makefile.in
767   src/Makefile
768   src/crywrap/Makefile
769   src/gl/Makefile
770   tests/Makefile
771   tests/cert-tests/Makefile
772   tests/dsa/Makefile
773   tests/dtls/Makefile
774   tests/srp/Makefile
775   tests/ecdsa/Makefile
776   tests/key-tests/Makefile
777   tests/openpgp-certs/Makefile
778   tests/pkcs1-padding/Makefile
779   tests/pkcs12-decode/Makefile
780   tests/pkcs8-decode/Makefile
781   tests/rsa-md5-collision/Makefile
782   tests/safe-renegotiation/Makefile
783   tests/scripts/Makefile
784   tests/sha2/Makefile
785   tests/slow/Makefile
786   tests/suite/Makefile
787   tests/userid/Makefile
788 ])
789
790 AC_OUTPUT
791
792 dnl  Warning flags:        errors: ${WERROR_CFLAGS} warnings: ${WARN_CFLAGS}
793 dnl  Valgrind:             $opt_valgrind_tests ${VALGRIND}
794 AC_MSG_NOTICE([summary of build options:
795
796   version:              ${VERSION} shared $LT_CURRENT:$LT_REVISION:$LT_AGE
797   Host/Target system:   ${host}
798   Build system:         ${build}
799   Install prefix:       ${prefix}
800   Compiler:             ${CC}
801   CFlags:               ${CFLAGS}
802   Library types:        Shared=${enable_shared}, Static=${enable_static}
803   Local libopts:        ${enable_local_libopts}
804   Local libtasn1:       ${included_libtasn1}
805   Use nettle-mini:      ${mini_nettle}
806 ])
807
808 AC_MSG_NOTICE([External hardware support:
809
810   /dev/crypto:          $enable_cryptodev
811   Hardware accel:       $hw_accel
812   PKCS#11 support:      $with_p11_kit
813   TPM support:          $with_tpm
814 ])
815
816 AC_MSG_NOTICE([Optional features:
817 (note that included applications might not compile properly
818 if features are disabled)
819
820   DTLS-SRTP support:    $ac_enable_srtp
821   ALPN support:         $ac_enable_alpn
822   OCSP support:         $ac_enable_ocsp
823   Ses. ticket support:  $ac_enable_session_tickets
824   OpenPGP support:      $ac_enable_openpgp
825   SRP support:          $ac_enable_srp
826   PSK support:          $ac_enable_psk
827   DHE support:          $ac_enable_dhe
828   ECDHE support:        $ac_enable_ecdhe
829   RSA-EXPORT support:   $ac_enable_rsa_export
830   Anon auth support:    $ac_enable_anon
831   Heartbeat support:    $ac_enable_heartbeat
832   IDNA support:         $libidn
833   Unicode support:      $ac_have_unicode
834   Self checks:          $enable_self_checks
835   Non-SuiteB curves:    $enable_non_suiteb
836   FIPS140 mode:         $enable_fips
837 ])
838
839 AC_MSG_NOTICE([Optional applications:
840
841   crywrap app:          $crywrap
842 ])
843
844 AC_MSG_NOTICE([Optional libraries:
845
846   Guile wrappers:       $opt_guile_bindings
847   C++ library:          $use_cxx
848   DANE library:         $enable_dane
849   OpenSSL compat:       $enable_openssl
850 ])
851
852 AC_MSG_NOTICE([System files:
853
854   Trust store pkcs11:   $with_default_trust_store_pkcs11
855   Trust store dir:      $with_default_trust_store_dir
856   Trust store file:     $with_default_trust_store_file
857   Blacklist file:       $with_default_blacklist_file
858   CRL file:             $with_default_crl_file
859   Priority file:        $system_priority_file
860   DNSSEC root key file: $unbound_root_key_file
861 ])
862
863 if test ! -f "$unbound_root_key_file"; then
864 AC_MSG_WARN([[
865 *** 
866 *** The DNSSEC root key file in $unbound_root_key_file was not found. 
867 *** This file is needed for the verification of DNSSEC responses.
868 *** Use the command: unbound-anchor -a "$unbound_root_key_file"
869 *** to generate or update it.
870 *** ]])
871 fi