removed gnutls_x509_crt_get_verify_algorithm()
[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 PKG_PROG_PKG_CONFIG
39 AC_PROG_CC
40 gl_EARLY
41 ggl_EARLY
42 AM_PROG_AS
43 AM_PROG_AR
44 AC_PROG_CXX
45 AM_PROG_CC_C_O
46 AC_PROG_YACC
47 AC_PROG_SED
48
49 AC_ARG_ENABLE(doc,
50   AS_HELP_STRING([--disable-doc], [don't generate any documentation]),
51     enable_doc=$enableval, enable_doc=yes)
52 AM_CONDITIONAL(ENABLE_DOC, test "$enable_doc" != "no")
53
54 AC_ARG_ENABLE(tools,
55   AS_HELP_STRING([--disable-tools], [don't compile any tools]),
56     enable_tools=$enableval, enable_tools=yes)
57 AM_CONDITIONAL(ENABLE_TOOLS, test "$enable_tools" != "no")
58
59 if test "$enable_tools" != "no" || test "$enable_doc" != "no"; then
60   AC_CHECK_PROG([AUTOGEN], [autogen], [autogen], [/bin/true])
61
62   if test x"$AUTOGEN" = "x/bin/true"; then
63     AC_MSG_WARN([[
64 ***
65 *** autogen not found. Will not link against libopts.
66 *** ]])
67     enable_local_libopts=yes
68   fi
69 fi
70
71 # For includes/gnutls/gnutls.h.in.
72 AC_SUBST(MAJOR_VERSION, `echo $PACKAGE_VERSION | sed 's/\(.*\)\..*\..*/\1/g'`)
73 AC_SUBST(MINOR_VERSION, `echo $PACKAGE_VERSION | sed 's/.*\.\(.*\)\..*/\1/g'`)
74 AC_SUBST(PATCH_VERSION, [[`echo $PACKAGE_VERSION | sed 's/.*\..*\.\([0-9]*\).*/\1/g'`]])
75 AC_SUBST(NUMBER_VERSION, `printf "0x%02x%02x%02x" $MAJOR_VERSION $MINOR_VERSION $PATCH_VERSION`)
76
77 touch suppressions.valgrind
78 dnl C and C++ capabilities
79 AC_C_INLINE
80 AC_HEADER_STDC
81
82 # For the C++ code
83 AC_ARG_ENABLE(cxx,
84   AS_HELP_STRING([--disable-cxx], [unconditionally disable the C++ library]),
85     use_cxx=$enableval, use_cxx=yes)
86 if test "$use_cxx" != "no"; then
87   AC_LANG_PUSH(C++)
88   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], use_cxx=yes, use_cxx=no)
89   AC_LANG_POP(C++)
90 fi
91 AM_CONDITIONAL(ENABLE_CXX, test "$use_cxx" != "no")
92 AM_CONDITIONAL(WANT_TEST_SUITE, [test -f tests/suite/mini-eagain2.c])
93
94 dnl Detect windows build
95 use_accel=yes
96 case "$host" in
97   *android*)
98     have_android=yes
99   ;;
100   *mingw32* | *mingw64*)
101     have_win=yes
102   ;;
103   *darwin*)
104     have_macosx=yes
105   ;;
106   *solaris*)
107     use_accel=no
108     AC_MSG_WARN([[
109 ***
110 *** In solaris hardware acceleration is disabled by default due to issues
111 *** with the assembler. Use --enable-hardware-acceleration to enable it.
112 *** ]])
113   ;;
114   *)
115     have_elf=yes
116   ;;
117 esac
118
119 AM_CONDITIONAL(ANDROID, test "$have_android" = yes)
120 AM_CONDITIONAL(WINDOWS, test "$have_win" = yes)
121 AM_CONDITIONAL(MACOSX, test "$have_macosx" = yes)
122 AM_CONDITIONAL(ELF, test "$have_elf" = yes)
123
124 dnl Hardware Acceleration
125 AC_ARG_ENABLE(hardware-acceleration,
126   AS_HELP_STRING([--disable-hardware-acceleration], [unconditionally disable hardware acceleration]),
127     use_accel=$enableval)
128 hw_accel=none
129
130
131 use_padlock=no
132 if test "$use_accel" != "no"; then
133 case $host_cpu in
134   i?86 | x86_64 | amd64)
135       AC_CHECK_HEADERS(cpuid.h)
136       if test "$host_cpu" = "x86_64" || test "$host_cpu" = "amd64"; then
137         hw_accel="x86-64"
138       else
139         hw_accel="x86"
140       fi
141       use_padlock=yes
142   ;;
143   *)
144   ;;
145 esac
146
147 fi
148
149 AC_ARG_ENABLE(padlock,
150   AS_HELP_STRING([--disable-padlock], [unconditionally disable padlock acceleration]),
151     use_padlock=$enableval)
152
153 if test "$use_padlock" != "no"; then
154     AC_DEFINE([ENABLE_PADLOCK], 1, [Enable padlock acceleration])
155     AC_SUBST([ENABLE_PADLOCK])
156 fi
157 AM_CONDITIONAL(ENABLE_PADLOCK, test "$use_padlock" = "yes")
158 AM_CONDITIONAL(ASM_X86_64, test x"$hw_accel" = x"x86-64")
159 AM_CONDITIONAL(ASM_X86_32, test x"$hw_accel" = x"x86")
160 AM_CONDITIONAL(ASM_X86, test x"$hw_accel" = x"x86" || test x"$hw_accel" = x"x86-64")
161 AM_CONDITIONAL(HAVE_GCC_GNU89_INLINE_OPTION, test "$gnu89_inline" = "yes"])
162 AM_CONDITIONAL(HAVE_GCC, test "$GCC" = "yes")
163
164 dnl check for getrandom()
165 enable_getrandom=no
166 AC_MSG_CHECKING([for getrandom])
167 AC_LINK_IFELSE([AC_LANG_PROGRAM([
168            #include <linux/random.h>],[
169                    getrandom(0, 0, 0);
170                   ])],
171                   [AC_MSG_RESULT(yes)
172                    AC_DEFINE([HAVE_LINUX_GETRANDOM], 1, [Enable the Linux getrandom function])
173                    enable_getrandom=getrandom],
174                   [AC_MSG_RESULT(no)])
175
176 AC_MSG_CHECKING([for getentropy])
177 AC_LINK_IFELSE([AC_LANG_PROGRAM([
178            #include <unistd.h>],[
179                    getentropy(0, 0);
180                   ])],
181                   [AC_MSG_RESULT(yes)
182                    AC_DEFINE([HAVE_GETENTROPY], 1, [Enable the OpenBSD getentropy function])
183                    enable_getrandom=getentropy],
184                   [AC_MSG_RESULT(no)])
185
186 dnl Try the hooks.m4
187 LIBGNUTLS_HOOKS
188 LIBGNUTLS_EXTRA_HOOKS
189
190 AC_ARG_ENABLE(tests,
191   AS_HELP_STRING([--disable-tests], [don't compile or run any tests]),
192     enable_tests=$enableval, enable_tests=$enable_tools)
193 if test "$enable_tests" = "yes" && test "$enable_tools" = "no"; then
194   true #AC_MSG_ERROR([Cannot enable tests while disabling tools])
195 fi
196 AM_CONDITIONAL(ENABLE_TESTS, test "$enable_tests" != "no")
197
198 GTK_DOC_CHECK(1.1)
199 AM_GNU_GETTEXT([external])
200 AM_GNU_GETTEXT_VERSION([0.18])
201
202 AC_C_BIGENDIAN
203
204 dnl No fork on MinGW, disable some self-tests until we fix them.
205 dnl Check clock_gettime and pthread_mutex_lock in libc (avoid linking to other libs)
206 AC_CHECK_FUNCS([fork inet_ntop inet_pton getrusage getpwuid_r nanosleep daemon getpid clock_gettime iconv localtime vasprintf],,)
207 if test "$ac_cv_func_vasprintf" != "yes";then
208   AC_MSG_CHECKING([for va_copy])
209   AC_LINK_IFELSE([AC_LANG_PROGRAM([
210         #include <stdarg.h>
211         va_list a;],[
212         va_list b;
213         va_copy(b,a);
214         va_end(b);])],
215         [AC_DEFINE(HAVE_VA_COPY, 1, [Have va_copy()])
216         AC_MSG_RESULT(va_copy)],
217         [AC_LINK_IFELSE([AC_LANG_PROGRAM([
218                 #include <stdarg.h>
219                 va_list a;],[
220                 va_list b;
221                 __va_copy(b,a);
222                 va_end(b);])],
223                 [AC_DEFINE(HAVE___VA_COPY, 1, [Have __va_copy()])
224                 AC_MSG_RESULT(__va_copy)],
225                 [AC_MSG_RESULT(no)
226                 AC_MSG_ERROR([Your system lacks vasprintf() and va_copy()])])
227         ])
228 fi
229
230 AM_CONDITIONAL(HAVE_FORK, test "$ac_cv_func_fork" != "no")
231
232 AC_CHECK_FUNCS([pthread_atfork __register_atfork],,)
233
234 AC_LIB_HAVE_LINKFLAGS(rt,, [#include <time.h>
235 #include <signal.h>
236 ], [timer_create (0,0,0);])
237
238 if test "$have_win" != "yes";then
239   AC_CHECK_FUNCS([pthread_mutex_lock],,)
240   if test "$ac_cv_func_pthread_mutex_lock" != "yes";then
241     AC_LIB_HAVE_LINKFLAGS(pthread,, [#include <pthread.h>], [pthread_mutex_lock (0);])
242   fi
243 fi
244
245 if test "$ac_cv_func_nanosleep" != "yes";then
246   AC_LIB_HAVE_LINKFLAGS(rt,, [#include <time.h>], [nanosleep (0, 0);])
247   gnutls_needs_librt=yes
248 fi
249
250 if test "$ac_cv_func_inet_pton" != "yes";then
251   AC_LIB_HAVE_LINKFLAGS(nsl,, [#include <arpa/inet.h>], [inet_pton(0,0,0);])
252 fi
253
254 if test "$ac_cv_func_clock_gettime" != "yes";then
255   AC_LIB_HAVE_LINKFLAGS(rt,, [#include <time.h>], [clock_gettime (0, 0);])
256   gnutls_needs_librt=yes
257 fi
258
259 ac_have_unicode=no
260 if test "$ac_cv_func_iconv" != "yes";then
261   AC_LIB_HAVE_LINKFLAGS(iconv,, [#include <iconv.h>], [iconv (0, 0, 0, 0, 0);])
262   if test "$HAVE_LIBICONV" = "yes";then
263     ac_have_unicode=yes
264   fi
265 else
266   ac_have_unicode=yes
267 fi
268
269 if test "$ac_have_unicode" != "yes";then
270   if test "$have_win" = "yes";then
271     ac_have_unicode=yes
272   fi
273 fi
274
275 dnl Note that g*l_INIT are run after we check for library capabilities,
276 dnl to prevent issues from caching lib dependencies. See discussion
277 dnl in https://bugs.gentoo.org/show_bug.cgi?id=494940 and
278 dnl http://gnu-autoconf.7623.n7.nabble.com/Correct-way-to-check-for-clock-gettime-td12276.html
279 gl_INIT
280 ggl_INIT
281
282 dnl GCC warnings to enable
283
284 AC_ARG_ENABLE([gcc-warnings],
285   [AS_HELP_STRING([--disable-gcc-warnings],
286                   [turn off lots of GCC warnings (for developers)])],
287   [case $enableval in
288      yes|no) ;;
289      *)      AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
290    esac
291    gl_gcc_warnings=$enableval],
292   [gl_gcc_warnings=yes]
293 )
294
295 if test "$gl_gcc_warnings" = yes; then
296   gl_WARN_ADD([-Wframe-larger-than=1024], [WSTACK_CFLAGS])
297
298   nw="$nw -Wsystem-headers"         # Don't let system headers trigger warnings
299   nw="$nw -Wc++-compat"             # We don't care about C++ compilers
300   nw="$nw -Wundef"                  # Warns on '#if GNULIB_FOO' etc in gnulib
301   nw="$nw -Wtraditional"            # Warns on #elif which we use often
302   nw="$nw -Wpadded"                 # Our structs are not padded
303   nw="$nw -Wtraditional-conversion" # Too many warnings for now
304   nw="$nw -Wswitch-default"         # Too many warnings for now
305   nw="$nw -Wformat-y2k"             # Too many warnings for now
306   nw="$nw -Woverlength-strings"     # We use some in tests/
307   nw="$nw -Wvla"                    # There is no point to avoid C99 variable length arrays
308   nw="$nw -Wformat-nonliteral"      # Incompatible with gettext _()
309   nw="$nw -Wstrict-overflow"
310   nw="$nw -Wmissing-noreturn"
311   nw="$nw -Winline"                 # Too compiler dependent
312   nw="$nw -Wsuggest-attribute=pure" # Is it worth using attributes?
313   nw="$nw -Wsuggest-attribute=const" # Is it worth using attributes?
314   nw="$nw -Wsuggest-attribute=noreturn" # Is it worth using attributes?
315   nw="$nw -Wstack-protector"        # Some functions cannot be protected
316   nw="$nw -Wredundant-decls"        # Some files cannot be compiled with that (gl_fd_to_handle)
317
318   gl_MANYWARN_ALL_GCC([ws])
319   gl_MANYWARN_COMPLEMENT(ws, [$ws], [$nw])
320   for w in $ws; do
321     gl_WARN_ADD([$w])
322   done
323
324   gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
325   gl_WARN_ADD([-Wno-format-y2k])     # Too many warnings for now
326   gl_WARN_ADD([-Wno-unused-value]) # warnings for things we don't want to get
327   gl_WARN_ADD([-Wno-unused-result]) # warnings for things we don't want to get
328   gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
329   gl_WARN_ADD([-Wno-stack-protector])  # Some functions cannot be protected
330   gl_WARN_ADD([-Wno-int-to-pointer-cast])  # Some files cannot be compiled with that (gl_fd_to_handle)
331   gl_WARN_ADD([-fdiagnostics-show-option])
332 fi
333
334 AC_SUBST([WERROR_CFLAGS])
335 AC_SUBST([WSTACK_CFLAGS])
336 AC_SUBST([WARN_CFLAGS])
337
338 dnl Programs for compilation or development
339 AC_PROG_LN_S
340 LT_INIT([disable-static,win32-dll,shared])
341
342
343
344 AC_ARG_ENABLE(self-checks,
345   AS_HELP_STRING([--enable-self-checks], [enable self checking functionality]),
346     enable_self_checks=$enableval, enable_self_checks=no)
347
348 AC_ARG_ENABLE(fips140-mode,
349   AS_HELP_STRING([--enable-fips140-mode], [enable FIPS140-2 mode (implies self checks)]),
350     enable_fips=$enableval, enable_fips=no)
351 AM_CONDITIONAL(ENABLE_FIPS140, test "$enable_fips" = "yes")
352 if [ test "$enable_fips" = "yes" ];then
353   AC_LIB_HAVE_LINKFLAGS(dl,, [#include <dlfcn.h>], [dladdr (0, 0);])
354   if test "x$HAVE_LIBDL" = "xyes";then
355     enable_self_checks=yes
356
357     AC_DEFINE([ENABLE_FIPS140], 1, [Enable FIPS140-2 mode])
358
359     AC_SUBST([FIPS140_LIBS], $LIBDL)
360   else
361     enable_fips=no
362     AC_MSG_WARN([[
363 *** 
364 *** This system is not supported in FIPS140 mode.
365 *** libdl and dladdr() are required.
366 *** ]])
367   fi
368 fi
369
370 AC_ARG_WITH(idn, AS_HELP_STRING([--without-idn],
371                                  [disable support for libidn]),
372             try_libidn="$withval", 
373             try_libidn=yes)
374
375 if test "$try_libidn" = yes;then
376 PKG_CHECK_MODULES(LIBIDN, libidn >= 0.5.6, [with_libidn=yes], [with_libidn=no])
377 if test "$with_libidn" != "no";then
378         AC_DEFINE([HAVE_LIBIDN], 1, [Build IDNA support])
379         if test "x$GNUTLS_REQUIRES_PRIVATE" = "x"; then
380                 GNUTLS_REQUIRES_PRIVATE="Requires.private: libidn"
381         else
382                 GNUTLS_REQUIRES_PRIVATE="${GNUTLS_REQUIRES_PRIVATE}, libidn"
383         fi
384 else
385         with_libidn=no
386         AC_MSG_WARN([[
387 *** 
388 *** libidn was not found. IDNA support will be disabled.
389 *** ]])
390 fi
391 else
392         with_libidn=no
393 fi
394
395 AM_CONDITIONAL(HAVE_LIBIDN, test "$with_libidn" != "no")
396
397 AC_ARG_ENABLE(non-suiteb-curves,
398   AS_HELP_STRING([--disable-non-suiteb-curves], [disable curves not in SuiteB]),
399     enable_non_suiteb=$enableval, enable_non_suiteb=yes)
400 if [ test "$enable_non_suiteb" = "yes" ];then
401   AC_DEFINE([ENABLE_NON_SUITEB_CURVES], 1, [Enable all curves])
402 fi
403 AM_CONDITIONAL(ENABLE_NON_SUITEB_CURVES, test "$enable_non_suiteb" = "yes")
404
405 AM_CONDITIONAL(ENABLE_SELF_CHECKS, test "$enable_self_checks" = "yes")
406 if [ test "$enable_self_checks" = "yes" ];then
407    AC_DEFINE([ENABLE_SELF_CHECKS], 1, [Self checks are included in the library])
408 fi
409
410 AC_MSG_CHECKING([whether to build libdane])
411 AC_ARG_ENABLE(libdane,
412     AS_HELP_STRING([--disable-libdane],
413                    [disable the built of libdane]),
414     enable_dane=$enableval, enable_dane=yes)
415 AC_MSG_RESULT($enable_dane)
416
417 if test "$enable_dane" != "no"; then
418     LIBS="$oldlibs -lunbound"
419     AC_MSG_CHECKING([for unbound library])
420     AC_LINK_IFELSE([AC_LANG_PROGRAM([
421                    #include <unbound.h>],[
422                    struct ub_ctx* ctx;
423                    ctx = ub_ctx_create();])],
424                   [AC_MSG_RESULT(yes)
425                    AC_SUBST([UNBOUND_LIBS], [-lunbound])
426                    AC_SUBST([UNBOUND_CFLAGS], [])
427                    AC_DEFINE([HAVE_DANE], 1, [Enable the DANE library])
428                    enable_dane=yes],
429                   [AC_MSG_RESULT(no)
430                    AC_MSG_WARN([[
431 *** 
432 *** libunbound was not found. Libdane will not be built.
433 *** ]])
434                   enable_dane=no])
435     LIBS="$oldlibs"
436 fi
437
438 AM_CONDITIONAL(ENABLE_DANE, test "$enable_dane" = "yes")
439
440 AC_ARG_WITH(unbound-root-key-file, AS_HELP_STRING([--with-unbound-root-key-file],
441                                  [specify the unbound root key file]),
442             unbound_root_key_file="$withval", 
443 if test "$have_win" = yes; then
444     unbound_root_key_file="C:\\Program Files\\Unbound\\root.key"
445 else
446     if test -f /var/lib/unbound/root.key;then
447         unbound_root_key_file="/var/lib/unbound/root.key"
448     else
449         unbound_root_key_file="/etc/unbound/root.key"
450     fi
451 fi
452 )
453
454 AC_DEFINE_UNQUOTED([UNBOUND_ROOT_KEY_FILE],
455   ["$unbound_root_key_file"], [The DNSSEC root key file])
456
457 AC_ARG_WITH(system-priority-file, AS_HELP_STRING([--with-system-priority-file],
458                                  [specify the system priority file]),
459             system_priority_file="$withval", 
460 system_priority_file="/etc/gnutls/default-priorities"
461 )
462
463 AC_DEFINE_UNQUOTED([SYSTEM_PRIORITY_FILE],
464   ["$system_priority_file"], [The system priority file])
465
466
467 dnl Check for p11-kit
468 P11_KIT_MINIMUM=0.20.7
469 AC_ARG_WITH(p11-kit,
470         AS_HELP_STRING([--without-p11-kit],
471                 [Build without p11-kit and PKCS#11 support]))
472 if test "$with_p11_kit" != "no"; then
473         PKG_CHECK_MODULES(P11_KIT, [p11-kit-1 >= $P11_KIT_MINIMUM], [with_p11_kit=yes], [with_p11_kit=no])
474         if test "$with_p11_kit" != "no";then
475                 AC_DEFINE([ENABLE_PKCS11], 1, [Build PKCS#11 support])
476                 if test "x$GNUTLS_REQUIRES_PRIVATE" = "x"; then
477                         GNUTLS_REQUIRES_PRIVATE="Requires.private: p11-kit-1"
478                 else
479                         GNUTLS_REQUIRES_PRIVATE="${GNUTLS_REQUIRES_PRIVATE}, p11-kit-1"
480                 fi
481         else
482                 with_p11_kit=no
483                 AC_MSG_ERROR([[
484 *** 
485 *** p11-kit >= $P11_KIT_MINIMUM was not found. To disable PKCS #11 support 
486 *** use --without-p11-kit, otherwise you may get p11-kit from
487 *** http://p11-glue.freedesktop.org/p11-kit.html
488 *** ]])
489         fi
490 fi
491
492 AM_CONDITIONAL(ENABLE_PKCS11, test "$with_p11_kit" != "no")
493
494 AC_ARG_WITH(tpm,
495         AS_HELP_STRING([--without-tpm],
496                 [Disable TPM (trousers) support.]),
497                 [with_tpm=$withval], [with_tpm=yes])
498 if test "$with_tpm" != "no"; then
499     LIBS="$oldlibs -ltspi"
500     AC_MSG_CHECKING([for tss library])
501     AC_LINK_IFELSE([AC_LANG_PROGRAM([
502                    #include <trousers/tss.h>
503                    #include <trousers/trousers.h>],[
504                    int err = Tspi_Context_Create((void *)0);
505                    Trspi_Error_String(err);])],
506                   [AC_MSG_RESULT(yes)
507                    AC_SUBST([TSS_LIBS], [-ltspi])
508                    AC_SUBST([TSS_CFLAGS], [])
509                    AC_DEFINE([HAVE_TROUSERS], 1, [Enable TPM])
510                    with_tpm=yes],
511                   [AC_MSG_RESULT(no)
512                    AC_MSG_WARN([[
513 *** 
514 *** trousers was not found. TPM support will be disabled.
515 *** ]])
516                   with_tpm=no])
517     LIBS="$oldlibs"
518 fi
519
520 AM_CONDITIONAL(ENABLE_TROUSERS, test "$with_tpm" != "no")
521
522 enable_local_libopts=no
523 if test "$enable_tools" != "no" || test "$enable_doc" != "no"; then
524         LIBOPTS_CHECK([src/libopts])
525         if test "$NEED_LIBOPTS_DIR" = "true";then
526                 dnl replace libopts-generated files with distributed backups, if present
527                 missing_baks=
528                 for i in ${srcdir}/src/*-args.c.bak ${srcdir}/src/*-args.h.bak; do
529                         nam=`echo $i|sed 's/.bak//g'`
530                         if test -f $i;then
531                                 cp -f $i $nam
532                         else
533                                 missing_baks=true
534                         fi
535                 done
536                 if test -z "$missing_baks"; then
537                         AC_SUBST([AUTOGEN], [/bin/true])
538                 fi
539                 enable_local_libopts=yes
540         fi
541 else
542         # Need to ensure the relevant conditionals get set
543         gl_STDNORETURN_H
544         AM_CONDITIONAL([INSTALL_LIBOPTS],[false])
545         AM_CONDITIONAL([NEED_LIBOPTS], [false])
546 fi
547 AM_CONDITIONAL(NEED_LIBOPTS, test "$enable_local_libopts" = "yes")
548
549 AC_CHECK_TYPE(ssize_t,
550   [
551     DEFINE_SSIZE_T="#include <sys/types.h>"
552     AC_SUBST(DEFINE_SSIZE_T)
553   ], [
554     AC_DEFINE([NO_SSIZE_T], 1, [no ssize_t type was found])
555     DEFINE_SSIZE_T="typedef int ssize_t;"
556     AC_SUBST(DEFINE_SSIZE_T)
557   ], [
558     #include <sys/types.h>
559   ])
560
561 # For minitasn1.
562 AC_CHECK_SIZEOF(unsigned long int, 4)
563 AC_CHECK_SIZEOF(unsigned int, 4)
564
565 AC_ARG_WITH(zlib, AS_HELP_STRING([--without-zlib],
566                                  [disable zlib compression support]),
567             ac_zlib=$withval, ac_zlib=yes)
568 AC_MSG_CHECKING([whether to include zlib compression support])
569 if test x$ac_zlib != xno; then
570  AC_MSG_RESULT(yes)
571  AC_LIB_HAVE_LINKFLAGS(z,, [#include <zlib.h>], [compress (0, 0, 0, 0);])
572  if test x$ac_cv_libz != xyes; then
573    AC_MSG_WARN(
574 *** 
575 *** ZLIB was not found. You will not be able to use ZLIB compression.)
576  fi
577 else
578  AC_MSG_RESULT(no)
579 fi
580
581 PKG_CHECK_EXISTS(zlib, ZLIB_HAS_PKGCONFIG=y, ZLIB_HAS_PKGCONFIG=n)
582
583 if test x$ac_zlib != xno; then
584   if test "$ZLIB_HAS_PKGCONFIG" = "y" ; then
585     if test "x$GNUTLS_REQUIRES_PRIVATE" = x; then
586       GNUTLS_REQUIRES_PRIVATE="Requires.private: zlib"
587     else
588       GNUTLS_REQUIRES_PRIVATE="$GNUTLS_REQUIRES_PRIVATE, zlib"
589     fi
590   fi
591 fi
592 AC_SUBST(GNUTLS_REQUIRES_PRIVATE)
593
594
595
596 AC_ARG_WITH([default-trust-store-pkcs11],
597   [AS_HELP_STRING([--with-default-trust-store-pkcs11=URI],
598     [use the given pkcs11 uri as default trust store])])
599
600 if test "x$with_default_trust_store_pkcs11" != x; then
601   if test "x$with_p11_kit" = xno; then
602     AC_MSG_ERROR([cannot use pkcs11 store without p11-kit])
603   fi
604   AC_DEFINE_UNQUOTED([DEFAULT_TRUST_STORE_PKCS11],
605     ["$with_default_trust_store_pkcs11"], [use the given pkcs11 uri as default trust store])
606 fi
607
608 AC_ARG_WITH([default-trust-store-dir],
609   [AS_HELP_STRING([--with-default-trust-store-dir=DIR],
610     [use the given directory as default trust store])])
611
612 if test "x$with_default_trust_store_dir" != x; then
613   AC_DEFINE_UNQUOTED([DEFAULT_TRUST_STORE_DIR],
614     ["$with_default_trust_store_dir"], [use the given directory as default trust store])
615 fi
616
617 dnl auto detect http://lists.gnu.org/archive/html/help-gnutls/2012-05/msg00004.html
618 AC_ARG_WITH([default-trust-store-file],
619   [AS_HELP_STRING([--with-default-trust-store-file=FILE],
620     [use the given file default trust store])], with_default_trust_store_file="$withval",
621   [if test "$build" = "$host" && test x$with_default_trust_store_pkcs11 = x && test x$with_default_trust_store_dir = x;then
622   for i in \
623     /etc/ssl/ca-bundle.pem \
624     /etc/ssl/certs/ca-certificates.crt \
625     /etc/pki/tls/cert.pem \
626     /usr/local/share/certs/ca-root-nss.crt \
627     /etc/ssl/cert.pem
628     do
629     if test -e "$i"; then
630       with_default_trust_store_file="$i"
631       break
632     fi
633   done
634   fi]
635 )
636
637 if test "$with_default_trust_store_file" = "no";then
638   with_default_trust_store_file=""
639 fi
640
641 AC_ARG_WITH([default-crl-file],
642   [AS_HELP_STRING([--with-default-crl-file=FILE],
643     [use the given CRL file as default])])
644
645 AC_ARG_WITH([default-blacklist-file],
646   [AS_HELP_STRING([--with-default-blacklist-file=FILE],
647     [use the given certificate blacklist file as default])])
648
649 if test "x$with_default_trust_store_file" != x; then
650   AC_DEFINE_UNQUOTED([DEFAULT_TRUST_STORE_FILE],
651     ["$with_default_trust_store_file"], [use the given file default trust store])
652 fi
653
654 if test "x$with_default_crl_file" != x; then
655   AC_DEFINE_UNQUOTED([DEFAULT_CRL_FILE],
656     ["$with_default_crl_file"], [use the given CRL file])
657 fi
658
659 if test "x$with_default_blacklist_file" != x; then
660   AC_DEFINE_UNQUOTED([DEFAULT_BLACKLIST_FILE],
661     ["$with_default_blacklist_file"], [use the given certificate blacklist file])
662 fi
663
664 dnl Guile bindings.
665 opt_guile_bindings=yes
666 AC_MSG_CHECKING([whether building Guile bindings])
667 AC_ARG_ENABLE(guile,
668         AS_HELP_STRING([--enable-guile], [build GNU Guile bindings]),
669 opt_guile_bindings=$enableval)
670 AC_MSG_RESULT($opt_guile_bindings)
671
672 AC_ARG_WITH([guile-site-dir],
673   [AS_HELP_STRING([--with-guile-site-dir],
674      [use the given directory as the Guile site (use with care)])])
675
676 if test "$opt_guile_bindings" = "yes"; then
677    AC_MSG_RESULT([***
678 *** Detecting GNU Guile...
679 ])
680
681    AC_PATH_PROG([guile_snarf], [guile-snarf])
682    if test "x$guile_snarf" = "x"; then
683       AC_MSG_WARN([`guile-snarf' from Guile 1.8 not found.  Guile bindings not built.])
684       opt_guile_bindings=no
685    else
686       GUILE_PROGS
687       GUILE_FLAGS
688
689       save_CFLAGS="$CFLAGS"
690       save_LIBS="$LIBS"
691       CFLAGS="$CFLAGS $GUILE_CFLAGS"
692       LIBS="$LIBS $GUILE_LDFLAGS"
693       AC_MSG_CHECKING([whether GNU Guile is recent enough])
694       AC_LINK_IFELSE([AC_LANG_PROGRAM([], [scm_from_locale_string ("")])],
695         [], [opt_guile_bindings=no])
696       CFLAGS="$save_CFLAGS"
697       LIBS="$save_LIBS"
698
699       if test "$opt_guile_bindings" = "yes"; then
700         AC_MSG_RESULT([yes])
701         case "x$with_guile_site_dir" in 
702              xno)
703                 # Use the default $(GUILE_SITE).
704                 GUILE_SITE_DIR
705                 ;;
706              x|xyes)
707                 # Automatically derive $(GUILE_SITE) from $(pkgdatadir).  This
708                 # hack is used to allow `distcheck' to work (see
709                 # `DISTCHECK_CONFIGURE_FLAGS' in the top-level `Makefile.am').
710                 GUILE_SITE="\$(datadir)/guile/site"
711                 AC_SUBST(GUILE_SITE)
712                 ;;
713              *)
714                 # Use the user-specified directory as $(GUILE_SITE).
715                 GUILE_SITE="$with_guile_site_dir"
716                 AC_SUBST(GUILE_SITE)
717                 ;;
718         esac
719         AC_MSG_CHECKING([whether gcc supports -fgnu89-inline])
720         _gcc_cflags_save="$CFLAGS"
721         CFLAGS="${CFLAGS} -fgnu89-inline"
722         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
723                           gnu89_inline=yes, gnu89_inline=no)
724         AC_MSG_RESULT($gnu89_inline)
725         CFLAGS="$_gcc_cflags_save"
726
727         # Optional Guile functions.
728         save_CFLAGS="$CFLAGS"
729         save_LIBS="$LIBS"
730         CFLAGS="$CFLAGS $GUILE_CFLAGS"
731         LIBS="$LIBS $GUILE_LDFLAGS"
732         AC_CHECK_FUNCS([scm_gc_malloc_pointerless])
733         CFLAGS="$save_CFLAGS"
734         LIBS="$save_LIBS"
735
736         # The place where guile-gnutls.la will go.
737         AC_MSG_CHECKING([the Guile effective version])
738         guile_effective_version="`$GUILE -c '(display (effective-version))'`"
739         AC_MSG_RESULT([$guile_effective_version])
740         guileextensiondir="$libdir/guile/$guile_effective_version"
741         AC_SUBST([guileextensiondir])
742       else
743         AC_MSG_RESULT([no])
744         AC_MSG_WARN([A sufficiently recent GNU Guile not found.  Guile bindings not built.])
745         opt_guile_bindings=no
746       fi
747    fi
748 fi
749 AM_CONDITIONAL(HAVE_GUILE, test "$opt_guile_bindings" = "yes")
750
751 LIBGNUTLS_LIBS="-L${libdir} -lgnutls $LIBS"
752 LIBGNUTLS_CFLAGS="-I${includedir}"
753 AC_SUBST(LIBGNUTLS_LIBS)
754 AC_SUBST(LIBGNUTLS_CFLAGS)
755
756 AM_CONDITIONAL(NEEDS_LIBRT, test "$gnutls_needs_librt" = "yes")
757
758 AC_DEFINE([GNUTLS_COMPAT_H], 1, [Make sure we don't use old features in code.])
759 AC_DEFINE([GNUTLS_INTERNAL_BUILD], 1, [We allow temporarily usage of deprecated functions - until they are removed.])
760
761 AC_DEFINE([fread_file], [_gnutls_fread_file], [static lib rename])
762 AC_DEFINE([read_file], [_gnutls_read_file], [static lib rename])
763 AC_DEFINE([read_binary_file], [_gnutls_read_binary_file], [static lib rename])
764
765 dnl Crywrap dependencies
766    AC_MSG_RESULT([***
767 *** Checking dependencies for crywrap...
768 ])
769
770 crywrap=no
771
772 if test "$have_win" != "yes"; then
773
774 AC_CHECK_HEADERS([arpa/inet.h netinet/in.h sys/select.h sys/types.h sys/wait.h])
775
776 dnl **********************
777 dnl * Typedefs & co
778 dnl **********************
779 AC_CACHE_CHECK([return type of signal handlers],[ac_cv_type_signal],[AC_COMPILE_IFELSE(
780 [AC_LANG_PROGRAM([#include <sys/types.h>
781 #include <signal.h>
782 ],
783                  [return *(signal (0, 0)) (0) == 1;])],
784                    [ac_cv_type_signal=int],
785                    [ac_cv_type_signal=void])])
786 AC_DEFINE_UNQUOTED([RETSIGTYPE],[$ac_cv_type_signal],[Define as the return type of signal handlers
787                     (`int' or `void').])
788
789 AC_FUNC_SELECT_ARGTYPES
790 AC_CHECK_FUNCS([alarm atexit dup2 epoll_create kqueue memchr memset munmap \
791                 putenv regcomp scandir select socket strcasecmp strchr \
792                 strdup strerror strncasecmp strrchr strstr strtoul uname])
793
794 AC_ARG_ENABLE(crywrap,
795         AS_HELP_STRING([--disable-crywrap], [unconditionally disable the crywrap TLS proxy service]))
796
797
798  if test "x$enable_crywrap" != "xno" ; then
799         AC_CHECK_FUNCS([argp_usage],[ac_argp=yes],[ac_argp=no])
800  fi
801
802  if test "$ac_cv_func_daemon" != "no" && test "$ac_argp" != "no" && test "$with_libidn" != "no";then
803   crywrap=yes
804  fi
805
806 fi
807
808 AM_CONDITIONAL(ENABLE_CRYWRAP, test "x$crywrap" != "xno")
809
810 dnl end of crywrap requirements
811
812 dnl Some variables needed in makefiles
813 YEAR=`date +%Y`
814 AC_SUBST([YEAR], $YEAR)
815
816 AC_CONFIG_FILES([guile/pre-inst-guile], [chmod +x guile/pre-inst-guile])
817 AC_CONFIG_FILES([
818   Makefile
819   doc/Makefile
820   doc/credentials/Makefile
821   doc/credentials/openpgp/Makefile
822   doc/credentials/srp/Makefile
823   doc/credentials/x509/Makefile
824   doc/cyclo/Makefile
825   doc/doxygen/Doxyfile
826   doc/examples/Makefile
827   doc/latex/Makefile
828   doc/manpages/Makefile
829   doc/reference/Makefile
830   doc/reference/version.xml
831   doc/scripts/Makefile
832   extra/Makefile
833   extra/includes/Makefile
834   libdane/Makefile
835   libdane/includes/Makefile
836   libdane/gnutls-dane.pc
837   gl/Makefile
838   gl/tests/Makefile
839   guile/Makefile
840   guile/modules/Makefile
841   guile/src/Makefile
842   guile/tests/Makefile
843   lib/Makefile
844   lib/accelerated/Makefile
845   lib/accelerated/x86/Makefile
846   lib/algorithms/Makefile
847   lib/auth/Makefile
848   lib/ext/Makefile
849   lib/extras/Makefile
850   lib/gnutls.pc
851   lib/includes/Makefile
852   lib/includes/gnutls/gnutls.h
853   lib/minitasn1/Makefile
854   lib/nettle/Makefile
855   lib/opencdk/Makefile
856   lib/openpgp/Makefile
857   lib/x509/Makefile
858   po/Makefile.in
859   src/Makefile
860   src/crywrap/Makefile
861   src/gl/Makefile
862   tests/Makefile
863   tests/cert-tests/Makefile
864   tests/dsa/Makefile
865   tests/dtls/Makefile
866   tests/srp/Makefile
867   tests/ecdsa/Makefile
868   tests/key-tests/Makefile
869   tests/openpgp-certs/Makefile
870   tests/pkcs1-padding/Makefile
871   tests/pkcs12-decode/Makefile
872   tests/pkcs8-decode/Makefile
873   tests/rsa-md5-collision/Makefile
874   tests/safe-renegotiation/Makefile
875   tests/scripts/Makefile
876   tests/sha2/Makefile
877   tests/slow/Makefile
878   tests/suite/Makefile
879   tests/userid/Makefile
880 ])
881
882 AC_OUTPUT
883
884 dnl  Warning flags:        errors: ${WERROR_CFLAGS} warnings: ${WARN_CFLAGS}
885 dnl  Valgrind:             $opt_valgrind_tests ${VALGRIND}
886 AC_MSG_NOTICE([summary of build options:
887
888   version:              ${VERSION} shared $LT_CURRENT:$LT_REVISION:$LT_AGE
889   Host/Target system:   ${host}
890   Build system:         ${build}
891   Install prefix:       ${prefix}
892   Compiler:             ${CC}
893   CFlags:               ${CFLAGS}
894   Library types:        Shared=${enable_shared}, Static=${enable_static}
895   Local libopts:        ${enable_local_libopts}
896   Local libtasn1:       ${included_libtasn1}
897   Use nettle-mini:      ${mini_nettle}
898 ])
899
900 AC_MSG_NOTICE([External hardware support:
901
902   /dev/crypto:          $enable_cryptodev
903   Hardware accel:       $hw_accel
904   Padlock accel:        $use_padlock
905   getrandom variant:    $enable_getrandom
906   PKCS#11 support:      $with_p11_kit
907   TPM support:          $with_tpm
908 ])
909
910 AC_MSG_NOTICE([Optional features:
911 (note that included applications might not compile properly
912 if features are disabled)
913
914   DTLS-SRTP support:    $ac_enable_srtp
915   ALPN support:         $ac_enable_alpn
916   OCSP support:         $ac_enable_ocsp
917   Ses. ticket support:  $ac_enable_session_tickets
918   OpenPGP support:      $ac_enable_openpgp
919   SRP support:          $ac_enable_srp
920   PSK support:          $ac_enable_psk
921   DHE support:          $ac_enable_dhe
922   ECDHE support:        $ac_enable_ecdhe
923   Anon auth support:    $ac_enable_anon
924   Heartbeat support:    $ac_enable_heartbeat
925   IDNA support:         $with_libidn
926   Unicode support:      $ac_have_unicode
927   Self checks:          $enable_self_checks
928   Non-SuiteB curves:    $enable_non_suiteb
929   FIPS140 mode:         $enable_fips
930 ])
931
932 AC_MSG_NOTICE([Optional applications:
933
934   crywrap app:          $crywrap
935 ])
936
937 AC_MSG_NOTICE([Optional libraries:
938
939   Guile wrappers:       $opt_guile_bindings
940   C++ library:          $use_cxx
941   DANE library:         $enable_dane
942   OpenSSL compat:       $enable_openssl
943 ])
944
945 AC_MSG_NOTICE([System files:
946
947   Trust store pkcs11:   $with_default_trust_store_pkcs11
948   Trust store dir:      $with_default_trust_store_dir
949   Trust store file:     $with_default_trust_store_file
950   Blacklist file:       $with_default_blacklist_file
951   CRL file:             $with_default_crl_file
952   Priority file:        $system_priority_file
953   DNSSEC root key file: $unbound_root_key_file
954 ])
955
956 if test ! -f "$unbound_root_key_file"; then
957 AC_MSG_WARN([[
958 *** 
959 *** The DNSSEC root key file in $unbound_root_key_file was not found. 
960 *** This file is needed for the verification of DNSSEC responses.
961 *** Use the command: unbound-anchor -a "$unbound_root_key_file"
962 *** to generate or update it.
963 *** ]])
964 fi