4 # Author: Pekka Riikonen <priikone@silcnet.org>
6 # Copyright (C) 2000 - 2008 Pekka Riikonen
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; version 2 of the License.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
22 AC_CONFIG_HEADERS(cryptodefs.h)
33 #ifdef SILC_DIST_INPLACE
35 #endif SILC_DIST_INPLACE
41 ## Library versioning.
44 # Do the releases and library versioning according to following rules:
46 # - If any code has changed in library, increment CRYPTO_REVISION
47 # - If API were added, removed or changed, set CRYPTO_REVISION to 0
48 # - If API were added, removed or changed, increment CRYPTO_CURRENT
49 # - If APi were added, increment CRYPTO_AGE
50 # - If API were removed, set CRYPTO_AGE to 0
53 # Base version for library.
54 CRYPTO_BASE_VERSION=1.2
57 CRYPTO_CURRENT=1 # prev = 0
58 CRYPTO_REVISION=0 # prev = 0
59 CRYPTo_AGE=0 # prev = 0
61 # Substitute the version numbers
62 AC_SUBST(CRYPTO_BASE_VERSION)
63 AC_SUBST(CRYPTO_CURRENT)
64 AC_SUBST(CRYPTO_REVISION)
72 # Default installation destination
73 AC_PREFIX_DEFAULT(/usr/local)
74 if test "x$prefix" != xNONE; then
77 silc_prefix="$ac_default_prefix"
86 # Disable all CPU feature optimizations
87 AC_MSG_CHECKING(whether to enable CPU feature optimizations)
88 AC_ARG_ENABLE(cpu-optimizations,
89 [ --disable-cpu-optimizations do not use any CPU feature optimizations],
92 AC_DEFINE([SILC_NO_CPU_OPTIMIZATIONS], [], [SILC_NO_CPU_OPTIMIZATIONS])
93 want_cpu_optimizations=false
97 want_cpu_optimizations=true
99 AM_CONDITIONAL(SILC_NO_CPU_OPTIMIZATIONS,
100 test x$want_cpu_optimizations = xfalse)
102 SILC_SYSTEM_IS_SMP(AC_DEFINE([SILC_SMP], [], [SILC_SMP]), [],
103 AC_DEFINE([SILC_SMP], [], [SILC_SMP]))
113 # All following Intels are considered 32-bit CPUs.
115 # All CPUs of today are considered i386 and i486 compatible */
119 if test "x$host_cpu" = "xi586"; then
123 if test "x$host_cpu" = "xi686"; then
128 if test "x$host_cpu" = "xi786"; then
134 # Check for specific CPU features
135 SILC_CPU_FLAG(mmx, true, AC_DEFINE([SILC_CPU_MMX], [], [SILC_CPU_MMX]), [])
136 SILC_CPU_FLAG(sse2, true, AC_DEFINE([SILC_CPU_SSE2], [], [SILC_CPU_SSE2]), [])
137 SILC_CPU_FLAG(pni, true, AC_DEFINE([SILC_CPU_SSE3], [], [SILC_CPU_SSE3]), [])
138 SILC_CPU_FLAG(ssse3, true, AC_DEFINE([SILC_CPU_SSSE3], [], [SILC_CPU_SSSE3]), [])
139 SILC_CPU_FLAG(sse4, true, AC_DEFINE([SILC_CPU_SSE4], [], [SILC_CPU_SSE4]), [])
142 # Intel IA-64, 64-bit CPU (not x86_64 compatible)
144 # Check for specific CPU features
145 SILC_CPU_FLAG(mmx, true, AC_DEFINE([SILC_CPU_MMX], [], [SILC_CPU_MMX]), [])
146 SILC_CPU_FLAG(sse2, true, AC_DEFINE([SILC_CPU_SSE2], [], [SILC_CPU_SSE2]), [])
147 SILC_CPU_FLAG(pni, true, AC_DEFINE([SILC_CPU_SSE3], [], [SILC_CPU_SSE3]), [])
148 SILC_CPU_FLAG(ssse3, true, AC_DEFINE([SILC_CPU_SSSE3], [], [SILC_CPU_SSSE3]), [])
149 SILC_CPU_FLAG(sse4, true, AC_DEFINE([SILC_CPU_SSE4], [], [SILC_CPU_SSE4]), [])
152 # AMD/Intel x86_64, 64-bit CPU
154 # Check for specific CPU features
155 SILC_CPU_FLAG(mmx, true, AC_DEFINE([SILC_CPU_MMX], [], [SILC_CPU_MMX]), [])
156 SILC_CPU_FLAG(sse2, true, AC_DEFINE([SILC_CPU_SSE2], [], [SILC_CPU_SSE2]), [])
157 SILC_CPU_FLAG(pni, true, AC_DEFINE([SILC_CPU_SSE3], [], [SILC_CPU_SSE3]), [])
158 SILC_CPU_FLAG(ssse3, true, AC_DEFINE([SILC_CPU_SSSE3], [], [SILC_CPU_SSSE3]), [])
159 SILC_CPU_FLAG(sse4, true, AC_DEFINE([SILC_CPU_SSE4], [], [SILC_CPU_SSE4]), [])
162 # PowerPC, 32-bit and 64-bit CPUs
166 AM_CONDITIONAL(SILC_I386, test x$cpu_i386 = xtrue)
167 AM_CONDITIONAL(SILC_I486, test x$cpu_i486 = xtrue)
168 AM_CONDITIONAL(SILC_I586, test x$cpu_i586 = xtrue)
169 AM_CONDITIONAL(SILC_I686, test x$cpu_i686 = xtrue)
170 AM_CONDITIONAL(SILC_7686, test x$cpu_i786 = xtrue)
171 AM_CONDITIONAL(SILC_X86_64, test x$cpu_x86_64 = xtrue)
172 AM_CONDITIONAL(SILC_POWERPC, test x$cpu_ppc = xtrue)
173 AM_CONDITIONAL(SILC_IA64, test x$cpu_ia64 = xtrue)
175 if test x$want_cpu_optimizations = xtrue; then
176 # Set some compiler options based on CPU
177 if test "x$CC" = "xicc"; then
179 if test x$x_have_cpu_sse2 = xtrue; then
180 SILC_ADD_CFLAGS(-axW)
182 if test x$x_have_cpu_sse3 = xtrue; then
183 SILC_ADD_CFLAGS(-axP)
185 if test x$x_have_cpu_ssse3 = xtrue; then
186 SILC_ADD_CFLAGS(-axT)
188 if test x$x_have_cpu_sse4 = xtrue; then
189 SILC_ADD_CFLAGS(-axS)
193 if test x$x_have_cpu_sse2 = xtrue; then
194 SILC_ADD_CFLAGS(-msse2)
196 if test x$x_have_cpu_pni = xtrue; then
197 SILC_ADD_CFLAGS(-msse3)
199 if test x$x_have_cpu_ssse3 = xtrue; then
200 SILC_ADD_CFLAGS(-mssse3)
202 if test x$x_have_cpu_sse4 = xtrue; then
203 SILC_ADD_CFLAGS(-msse4)
210 ## Put here any platform specific stuff
215 CFLAGS=`echo $CFLAGS -D_GNU_SOURCE`
233 # More header checking
235 AC_CHECK_HEADERS(unistd.h assert.h time.h fcntl.h)
236 AC_CHECK_HEADERS(sys/types.h sys/times.h sys/time.h sys/resource.h)
238 # Check for big-endian machines
243 ## Compiler and compiler flag checks
246 # Disable all compiler optimizations
247 AC_MSG_CHECKING(whether to enable compiler optimizations)
248 AC_ARG_ENABLE(optimizations,
249 [ --disable-optimizations do not use any compiler optimizations],
252 AC_DEFINE([SILC_NO_CC_OPTIMIZATIONS], [], [SILC_NO_CC_OPTIMIZATIONS])
253 want_cc_optimizations=false
257 want_cc_optimizations=true
259 AM_CONDITIONAL(SILC_NO_CC_OPTIMIZATIONS, test x$want_cc_optimizations = xfalse)
262 # GCC specific options
263 if test "x$summary_debug" = "xyes"; then
268 SILC_ADD_CFLAGS(-Wall -finline-functions)
269 SILC_ADD_CFLAGS(-Wno-pointer-sign)
284 # Intel C++ Compiler flags
285 if test "x$CC" = "xicc"; then
286 SILC_ADD_CFLAGS(-restrict)
287 SILC_ADD_CFLAGS(-finline-functions)
289 # Don't define __GNUC__ except for system includes
290 SILC_ADD_CFLAGS(-gcc-sys)
294 if test x$want_cc_optimizations = xtrue; then
296 # GCC specific options
297 if test "x$summary_debug" = "xyes"; then
306 SILC_ADD_CFLAGS(-O2, SILC_ADD_CFLAGS(-O))
309 SILC_ADD_CFLAGS(-O2, SILC_ADD_CFLAGS(-O))
312 SILC_ADD_CFLAGS(-O2, SILC_ADD_CFLAGS(-O))
318 # Workaround a bug in GCC 2.x which causes memory exhaustion
319 # when compiling sha1 with optimizations on UltraSPARC.
321 if test "$GCC" -a "$host_cpu" = "sparc64"; then
322 AC_MSG_CHECKING(whether to enable GCC 2.x workaround for SHA1)
325 #if defined(__sparc64__) && (__GNUC__ == 2)
341 ## Function and libary checking
343 AC_CHECK_FUNCS(times clock time)
344 AC_CHECK_FUNCS(getpid getgid getsid getpgid getpgrp getuid getrusage setsid)
346 cryptover=`echo $VERSION | sed 's/\./ /g'`
352 if test $maj -eq 0; then
356 if test $min -eq 0; then
360 if test $bld -eq 0; then
365 __CRYPTO_PACKAGE_VERSION="#define __SILC_CRYPTO_VERSION SILC_VERSION($maj,$min,$bld)"
369 ## Enable/disable checking
372 #ifdef SILC_DIST_INPLACE
374 # Profiling options (never delivered to distributions)
376 AC_MSG_CHECKING(whether to enable gprof)
378 [ --enable-gprof enable gprof profiling],
380 case "${enableval}" in
395 AC_MSG_CHECKING(whether to enable gcov)
397 [ --enable-gcov enable gcov],
399 case "${enableval}" in
402 SILC_ADD_CFLAGS(-fprofile-arcs)
413 #endif SILC_DIST_INPLACE
416 AC_MSG_CHECKING(whether to enable debugging)
419 [ --enable-debug enable debugging],
421 case "${enableval}" in
435 # Disable all assembler optimizations
436 AC_MSG_CHECKING(whether to enable assembler optimizations)
438 [ --disable-asm do not use assembler optimizations],
441 AC_DEFINE([SILC_NO_ASM], [], [SILC_NO_ASM])
448 AM_CONDITIONAL(SILC_NO_ASM, test x$want_asm = xfalse)
450 # Check for assembler
453 if test x$want_asm = xtrue; then
454 AC_PATH_PROG([NASM], [nasm], [no])
455 if test "x$NASM" != "xno"; then
456 if test x$cpu_x86_64 = xtrue; then
457 SILC_ASSEMBLER="$NASM -O2 -felf64"
459 SILC_ASSEMBLER="$NASM -O2 -felf"
464 AC_PATH_PROG([YASM], [yasm], [no])
465 if test "x$YASM" != "xno"; then
466 if test x$cpu_x86_64 = xtrue; then
467 SILC_ASSEMBLER="$YASM -Xgnu -felf64"
469 SILC_ASSEMBLER="$YASM -Xgnu -felf"
474 AC_SUBST(SILC_ASSEMBLER)
477 ## With/without checkings
481 LDFLAGS="-L\$(silc_top_srcdir)/lib $LDFLAGS"
483 SILC_LIB_INCLUDES="$SILC_LIB_INCLUDES -I$SILC_TOP_SRCDIR/lib/silccrypt"
484 SILC_LIB_INCLUDES="$SILC_LIB_INCLUDES -I$SILC_TOP_SRCDIR/lib/silcasn1"
485 SILC_LIB_INCLUDES="$SILC_LIB_INCLUDES -I$SILC_TOP_SRCDIR/lib/silcacc"
486 SILC_LIB_INCLUDES="$SILC_LIB_INCLUDES -I$SILC_TOP_SRCDIR/lib/silcskr"
487 SILC_LIB_INCLUDES="$SILC_LIB_INCLUDES -I$SILC_TOP_SRCDIR/lib/silcmath"
489 SILC_LIB_INCLUDES="$SILC_LIB_INCLUDES -I$SILC_TOP_SRCDIR/lib/silcssh"
492 SILC_LIB_INCLUDES="$SILC_LIB_INCLUDES -I$SILC_TOP_SRCDIR/lib/silcpgp"
495 # SILC Runtime Toolkit checking
496 AC_ARG_WITH(srt-includes,
497 [ --with-srt-includes=DIR SILC Runtime Toolkit includes [search in DIR]],
498 [ac_srt_includes="$withval"], [ac_srt_includes="no"])
499 AC_ARG_WITH(srt-libs,
500 [ --with-srt-libs=DIR SILC Runtime Toolkit libraries [search in DIR]],
501 [ac_srt_libs="$withval"], [ac_srt_libs="no"])
503 if test -n "$with_srt_includes" || test -n "$with_srt_libs"; then
504 # Manually provided libs
505 if test "$ac_srt_includes" != "no"; then
506 SILC_LIB_INCLUDES="-I$ac_srt_includes"
508 if test "$ac_srt_libs" != "no"; then
509 LDFLAGS="-L$ac_srt_libs $LDFLAGS"
512 # Check libs to link against
513 f=`$EGREP __SILC_HAVE_PTHREAD $ac_srt_includes/silc.h`
514 if test -n "$f"; then
515 LIBS="$LIBS -lpthread"
520 PKG_CHECK_MODULES(SRT, [srt >= 1.2])
521 LIBS="$SRT_LIBS $LIBS"
522 CFLAGS="$CFLAGS $SRT_CFLAGS"
525 # MP library checking. First check whether user wants to use GMP and use
526 # it if found. If not or not defined then compile the default library in the
531 SAVE_CFLAGS="$CFLAGS"
532 SAVE_LDFLAGS="$LDFLAGS"
533 AC_MSG_CHECKING(whether to search for GMP)
535 [[ --with-gmp[=DIR] use GMP instead of SILC Math [search in DIR/lib and DIR/include]]],
544 if test -d "$withval/include"; then
545 CFLAGS="$CFLAGS -I$withval/include"
547 if test -d "$withval/lib"; then
548 LDFLAGS="$LDFLAGS -L$withval/lib"
555 AC_CHECK_LIB(gmp, __gmpz_init,
558 AC_DEFINE([SILC_MP_GMP], [], [GMP])
559 AC_MSG_RESULT(Using GMP as a MP library.)
563 CFLAGS="$SAVE_CFLAGS"
564 LDFLAGS="$SAVE_LDFLAGS"
570 AM_CONDITIONAL(SILC_MP_GMP, test x$mp_gmp = xtrue)
571 AM_CONDITIONAL(SILC_MP_SILCMATH, test x$mp_gmp = xfalse)
572 if test x$mp_gmp = xfalse; then
573 AC_DEFINE([SILC_MP_SILCMATH], [], [SILCMATH])
574 AC_MSG_RESULT(Using SILC Math as a MP library.)
579 ## Native WIN32 compilation under cygwin
581 AC_MSG_CHECKING(whether to compile native WIN32 code)
583 [ --with-win32 compile native WIN32 (MinGW) code (-mno-cygwin)],
586 AC_DEFINE([SILC_WIN32], [], [SILC_WIN32])
588 CFLAGS="-mno-cygwin $CFLAGS"
589 LIBS="$LIBS -lwsock32"
595 AM_CONDITIONAL(SILC_WIN32, test x$win32_support = xtrue)
599 ## Include configure fragments
605 ## Outputs and substitutions
609 AC_SUBST(SILC_TOP_SRCDIR)
612 AC_SUBST(SILC_LIB_INCLUDES)
613 AC_SUBST(__CRYPTO_PACKAGE_VERSION)
615 # Native Symbian OS support (disabled by default)
616 AM_CONDITIONAL(SILC_SYMBIAN, test xfalse = xtrue)
618 # Make enable-shared aware
619 AM_CONDITIONAL(SILC_ENABLE_SHARED, test "$enable_shared" = yes)
621 ETCDIR=`eval echo $sysconfdir`;ETCDIR=`eval echo $ETCDIR`
623 AC_DEFINE_UNQUOTED([SILC_ETCDIR], "$ETCDIR", [SILC_ETCDIR])
625 DOCDIR=`eval echo $docdir`;DOCDIR=`eval echo $DOCDIR`
627 AC_DEFINE_UNQUOTED([SILC_DOCDIR], "$DOCDIR", [SILC_DOCDIR])
629 INCLUDE_DEFINES_INT="include \$(top_srcdir)/Makefile.defines_int"
630 AC_SUBST(INCLUDE_DEFINES_INT)
648 lib/silccrypt/Makefile
649 lib/silccrypt/silccrypto.h
650 lib/silccrypt/tests/Makefile
651 lib/silcasn1/Makefile
652 lib/silcasn1/tests/Makefile
654 lib/silcacc/tests/Makefile
657 lib/silcssh/tests/Makefile
661 lib/silcpgp/tests/Makefile
664 lib/silcskr/tests/Makefile
665 lib/silcmath/Makefile
675 s_bindir=`eval echo $bindir`;s_bindir=`eval echo $s_bindir`
676 s_sbindir=`eval echo $sbindir`;s_sbindir=`eval echo $s_sbindir`
677 s_mandir=`eval echo $mandir`;s_mandir=`eval echo $s_mandir`
678 s_includedir=`eval echo $includedir`;s_includedir=`eval echo $s_includedir`
681 echo "SILC Crypto Toolkit configuration summary:"
682 echo "-----------------------------------------"
683 echo " Target host ...................: $target"
684 echo " Compiler ......................: $CC"
685 echo " CFLAGS ........................: $CFLAGS"
686 echo " LDFLAGS .......................: $LDFLAGS"
687 echo " LIBS ..........................: $LIBS"
689 echo " Installation prefix ...........: $prefix"
690 echo " bin directory .................: $s_bindir"
691 echo " sbin directory ................: $s_sbindir"
692 echo " etc directory .................: $ETCDIR"
693 echo " man directory .................: $s_mandir"
694 echo " doc directory .................: $DOCDIR"
695 echo " include directory .............: $s_includedir"
698 if test x$mp_gmp = xtrue; then
699 echo " Arithmetic library ............: GMP"
702 if test x$want_asm = xfalse; then
707 echo " Assembler optimizations .......: $summary_asm"
709 if test x$want_cc_optimizations = xfalse; then
714 echo " Compiler optimizations ........: $summary_cc_opt"
716 if test x$want_cpu_optimizations = xfalse; then
719 summary_cpu_opt="yes"
721 echo " CPU feature optimizations .....: $summary_cpu_opt"
724 if test x$has_threads = xtrue; then
727 echo " Multi-threads support .........: $threads"
728 echo " Debugging enabled .............: $summary_debug"
730 echo "Compile the sources with 'make' or 'gmake' command."