mirror of git://git.gnupg.org/gnupg.git
426 lines
15 KiB
Plaintext
426 lines
15 KiB
Plaintext
dnl macros to configure gnupg
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dnl Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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dnl
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dnl This file is part of GnuPG.
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dnl
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dnl GnuPG is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl GnuPG is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program; if not, write to the Free Software
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dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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dnl GNUPG_CHECK_TYPEDEF(TYPE, HAVE_NAME)
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dnl Check whether a typedef exists and create a #define $2 if it exists
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dnl
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AC_DEFUN(GNUPG_CHECK_TYPEDEF,
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[ AC_MSG_CHECKING(for $1 typedef)
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AC_CACHE_VAL(gnupg_cv_typedef_$1,
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[AC_TRY_COMPILE([#define _GNU_SOURCE 1
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#include <stdlib.h>
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#include <sys/types.h>], [
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#undef $1
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int a = sizeof($1);
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], gnupg_cv_typedef_$1=yes, gnupg_cv_typedef_$1=no )])
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AC_MSG_RESULT($gnupg_cv_typedef_$1)
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if test "$gnupg_cv_typedef_$1" = yes; then
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AC_DEFINE($2,1,[Defined if a `]$1[' is typedef'd])
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fi
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])
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# Check for the getsockopt SO_PEERCRED
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AC_DEFUN(GNUPG_SYS_SO_PEERCRED,
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[ AC_MSG_CHECKING(for SO_PEERCRED)
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AC_CACHE_VAL(gnupg_cv_sys_so_peercred,
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[AC_TRY_COMPILE([#include <sys/socket.h>],
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[struct ucred cr;
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int cl = sizeof cr;
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getsockopt (1, SOL_SOCKET, SO_PEERCRED, &cr, &cl);],
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gnupg_cv_sys_so_peercred=yes,
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gnupg_cv_sys_so_peercred=no)
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])
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AC_MSG_RESULT($gnupg_cv_sys_so_peercred)
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if test $gnupg_cv_sys_so_peercred = yes; then
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AC_DEFINE(HAVE_SO_PEERCRED, 1,
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[Defined if SO_PEERCRED is supported (Linux)])
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fi
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])
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# GNUPG_BUILD_PROGRAM(NAME,DEFAULT)
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# Add a --enable-NAME option to configure an set the
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# shell variable build_NAME either to "yes" or "no". DEFAULT must
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# either be "yes" or "no" and decided on the default value for
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# build_NAME and whether --enable-NAME or --disable-NAME is shown with
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# ./configure --help
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AC_DEFUN(GNUPG_BUILD_PROGRAM,
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[build_$1=$2
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m4_if([$2],[yes],[
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AC_ARG_ENABLE([$1], AC_HELP_STRING([--disable-$1],
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[do not build the $1 program]),
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build_$1=$enableval, build_$1=$2)
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],[
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AC_ARG_ENABLE([$1], AC_HELP_STRING([--enable-$1],
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[build the $1 program]),
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build_$1=$enableval, build_$1=$2)
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])
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case "$build_$1" in
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no|yes)
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;;
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*)
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AC_MSG_ERROR([only yes or no allowed for feature --enable-$1])
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;;
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esac
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])
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# GNUPG_PTH_VERSION_CHECK(REQUIRED)
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#
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# If the version is sufficient, HAVE_PTH will be set to yes.
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#
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# Taken form the m4 macros which come with Pth
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AC_DEFUN(GNUPG_PTH_VERSION_CHECK,
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[
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_pth_version=`$PTH_CONFIG --version | awk 'NR==1 {print [$]3}'`
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_req_version="ifelse([$1],,1.2.0,$1)"
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for _var in _pth_version _req_version; do
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eval "_val=\"\$${_var}\""
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_major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\1/'`
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_minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\2/'`
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_rtype=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\3/'`
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_micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\4/'`
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case $_rtype in
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"a" ) _rtype=0 ;;
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"b" ) _rtype=1 ;;
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"." ) _rtype=2 ;;
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esac
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_hex=`echo dummy | awk '{ printf("%d%02d%1d%02d", major, minor, rtype, micro); }' \
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"major=$_major" "minor=$_minor" "rtype=$_rtype" "micro=$_micro"`
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eval "${_var}_hex=\"\$_hex\""
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done
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have_pth=no
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if test ".$_pth_version_hex" != .; then
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if test ".$_req_version_hex" != .; then
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if test $_pth_version_hex -ge $_req_version_hex; then
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have_pth=yes
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fi
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fi
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fi
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if test $have_pth = no; then
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AC_MSG_WARN([[
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***
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*** Found Pth version $_pth_version, but require at least
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*** version $_req_version. Please upgrade Pth first.
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***]])
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fi
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])
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######################################################################
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# Check whether mlock is broken (hpux 10.20 raises a SIGBUS if mlock
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# is not called from uid 0 (not tested whether uid 0 works)
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# For DECs Tru64 we have also to check whether mlock is in librt
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# mlock is there a macro using memlk()
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######################################################################
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dnl GNUPG_CHECK_MLOCK
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dnl
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define(GNUPG_CHECK_MLOCK,
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[ AC_CHECK_FUNCS(mlock)
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if test "$ac_cv_func_mlock" = "no"; then
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AC_CHECK_HEADERS(sys/mman.h)
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if test "$ac_cv_header_sys_mman_h" = "yes"; then
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# Add librt to LIBS:
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AC_CHECK_LIB(rt, memlk)
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AC_CACHE_CHECK([whether mlock is in sys/mman.h],
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gnupg_cv_mlock_is_in_sys_mman,
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[AC_TRY_LINK([
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#include <assert.h>
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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], [
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int i;
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/* glibc defines this for functions which it implements
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* to always fail with ENOSYS. Some functions are actually
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* named something starting with __ and the normal name
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* is an alias. */
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#if defined (__stub_mlock) || defined (__stub___mlock)
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choke me
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#else
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mlock(&i, 4);
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#endif
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; return 0;
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],
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gnupg_cv_mlock_is_in_sys_mman=yes,
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gnupg_cv_mlock_is_in_sys_mman=no)])
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if test "$gnupg_cv_mlock_is_in_sys_mman" = "yes"; then
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AC_DEFINE(HAVE_MLOCK,1,
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[Defined if the system supports an mlock() call])
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fi
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fi
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fi
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if test "$ac_cv_func_mlock" = "yes"; then
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AC_MSG_CHECKING(whether mlock is broken)
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AC_CACHE_VAL(gnupg_cv_have_broken_mlock,
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AC_TRY_RUN([
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <fcntl.h>
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int main()
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{
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char *pool;
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int err;
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long int pgsize = getpagesize();
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pool = malloc( 4096 + pgsize );
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if( !pool )
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return 2;
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pool += (pgsize - ((long int)pool % pgsize));
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err = mlock( pool, 4096 );
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if( !err || errno == EPERM )
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return 0; /* okay */
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return 1; /* hmmm */
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}
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],
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gnupg_cv_have_broken_mlock="no",
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gnupg_cv_have_broken_mlock="yes",
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gnupg_cv_have_broken_mlock="assume-no"
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)
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)
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if test "$gnupg_cv_have_broken_mlock" = "yes"; then
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AC_DEFINE(HAVE_BROKEN_MLOCK,1,
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[Defined if the mlock() call does not work])
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AC_MSG_RESULT(yes)
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AC_CHECK_FUNCS(plock)
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else
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if test "$gnupg_cv_have_broken_mlock" = "no"; then
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AC_MSG_RESULT(no)
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else
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AC_MSG_RESULT(assuming no)
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fi
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fi
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fi
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])
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dnl [copied from libgcrypt]
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dnl AM_PATH_LIBGCRYPT([MINIMUM-VERSION,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
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dnl Test for liblibgcrypt and define LIBGCRYPT_CFLAGS and LIBGCRYPT_LIBS
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dnl
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AC_DEFUN(AM_PATH_LIBGCRYPT,
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[ AC_ARG_WITH(libgcrypt-prefix,
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AC_HELP_STRING([--with-libgcrypt-prefix=PFX],
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[prefix where LIBGCRYPT is installed (optional)]),
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libgcrypt_config_prefix="$withval", libgcrypt_config_prefix="")
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if test x$libgcrypt_config_prefix != x ; then
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libgcrypt_config_args="$libgcrypt_config_args --prefix=$libgcrypt_config_prefix"
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if test x${LIBGCRYPT_CONFIG+set} != xset ; then
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LIBGCRYPT_CONFIG=$libgcrypt_config_prefix/bin/libgcrypt-config
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fi
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fi
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AC_PATH_PROG(LIBGCRYPT_CONFIG, libgcrypt-config, no)
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min_libgcrypt_version=ifelse([$1], ,0.4.4,$1)
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AC_MSG_CHECKING(for LIBGCRYPT - version >= $min_libgcrypt_version)
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ok=no
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if test "$LIBGCRYPT_CONFIG" != "no" ; then
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req_major=`echo $min_libgcrypt_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
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req_minor=`echo $min_libgcrypt_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
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req_micro=`echo $min_libgcrypt_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
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libgcrypt_config_version=`$LIBGCRYPT_CONFIG $libgcrypt_config_args --version`
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major=`echo $libgcrypt_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
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minor=`echo $libgcrypt_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
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micro=`echo $libgcrypt_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
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if test "$major" -gt "$req_major"; then
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ok=yes
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else
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if test "$major" -eq "$req_major"; then
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if test "$minor" -gt "$req_minor"; then
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ok=yes
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else
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if test "$minor" -eq "$req_minor"; then
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if test "$micro" -ge "$req_micro"; then
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ok=yes
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fi
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fi
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fi
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fi
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fi
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fi
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if test $ok = yes; then
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LIBGCRYPT_CFLAGS=`$LIBGCRYPT_CONFIG $libgcrypt_config_args --cflags`
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LIBGCRYPT_LIBS=`$LIBGCRYPT_CONFIG $libgcrypt_config_args --libs`
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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LIBGCRYPT_CFLAGS=""
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LIBGCRYPT_LIBS=""
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AC_MSG_RESULT(no)
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(LIBGCRYPT_CFLAGS)
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AC_SUBST(LIBGCRYPT_LIBS)
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])
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dnl [Copied from libksba]
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dnl AM_PATH_KSBA([MINIMUM-VERSION,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
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dnl Test for libksba and define KSBA_CFLAGS and KSBA_LIBS
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dnl
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AC_DEFUN(AM_PATH_KSBA,
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[ AC_ARG_WITH(ksba-prefix,
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AC_HELP_STRING([--with-ksba-prefix=PFX],
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[prefix where KSBA is installed (optional)]),
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ksba_config_prefix="$withval", ksba_config_prefix="")
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if test x$ksba_config_prefix != x ; then
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ksba_config_args="$ksba_config_args --prefix=$ksba_config_prefix"
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if test x${KSBA_CONFIG+set} != xset ; then
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KSBA_CONFIG=$ksba_config_prefix/bin/ksba-config
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fi
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fi
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AC_PATH_PROG(KSBA_CONFIG, ksba-config, no)
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min_ksba_version=ifelse([$1], ,0.4.4,$1)
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AC_MSG_CHECKING(for KSBA - version >= $min_ksba_version)
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ok=no
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if test "$KSBA_CONFIG" != "no" ; then
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req_major=`echo $min_ksba_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
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req_minor=`echo $min_ksba_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
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req_micro=`echo $min_ksba_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
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ksba_config_version=`$KSBA_CONFIG $ksba_config_args --version`
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major=`echo $ksba_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
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minor=`echo $ksba_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
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micro=`echo $ksba_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
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if test "$major" -gt "$req_major"; then
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ok=yes
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else
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if test "$major" -eq "$req_major"; then
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if test "$minor" -gt "$req_minor"; then
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ok=yes
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else
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if test "$minor" -eq "$req_minor"; then
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if test "$micro" -ge "$req_micro"; then
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ok=yes
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fi
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fi
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fi
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fi
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fi
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fi
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if test $ok = yes; then
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KSBA_CFLAGS=`$KSBA_CONFIG $ksba_config_args --cflags`
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KSBA_LIBS=`$KSBA_CONFIG $ksba_config_args --libs`
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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KSBA_CFLAGS=""
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KSBA_LIBS=""
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AC_MSG_RESULT(no)
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(KSBA_CFLAGS)
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AC_SUBST(KSBA_LIBS)
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])
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dnl AM_PATH_OPENSC([MINIMUM-VERSION,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
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dnl Test for OpenSC and define OPENSC_CFLAGS and OPENSC_LIBS
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dnl
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AC_DEFUN(AM_PATH_OPENSC,
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[ AC_ARG_WITH(opensc-prefix,
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AC_HELP_STRING([--with-opensc-prefix=PFX],
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[prefix where OpenSC is installed (optional)]),
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opensc_config_prefix="$withval", opensc_config_prefix="")
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if test x$opensc_config_prefix != x ; then
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opensc_config_args="$opensc_config_args --prefix=$opensc_config_prefix"
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if test x${OPENSC_CONFIG+set} != xset ; then
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OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
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fi
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fi
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AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
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min_opensc_version=ifelse([$1], ,0.7.0,$1)
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AC_MSG_CHECKING(for OpenSC - version >= $min_opensc_version)
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ok=no
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if test "$OPENSC_CONFIG" != "no" ; then
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req_major=`echo $min_opensc_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
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req_minor=`echo $min_opensc_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
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req_micro=`echo $min_opensc_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
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opensc_config_version=`$OPENSC_CONFIG $opensc_config_args --version`
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major=`echo $opensc_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
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minor=`echo $opensc_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
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micro=`echo $opensc_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
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if test "$major" -gt "$req_major"; then
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ok=yes
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else
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if test "$major" -eq "$req_major"; then
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if test "$minor" -gt "$req_minor"; then
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ok=yes
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else
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if test "$minor" -eq "$req_minor"; then
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if test "$micro" -ge "$req_micro"; then
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ok=yes
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fi
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fi
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fi
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fi
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fi
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fi
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if test $ok = yes; then
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OPENSC_CFLAGS=`$OPENSC_CONFIG $opensc_config_args --cflags`
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OPENSC_LIBS=`$OPENSC_CONFIG $opensc_config_args --libs`
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OPENSC_LIBS="$OPENSC_LIBS -lpcsclite -lpthread"
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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OPENSC_CFLAGS=""
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OPENSC_LIBS=""
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AC_MSG_RESULT(no)
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(OPENSC_CFLAGS)
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AC_SUBST(OPENSC_LIBS)
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])
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