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libgcrypt-1.9.2
acinclude.m4
392 строки
12 KB
NIIBE Yutaka
build: Update to newer autoconf constructs.
18 ноя 2020, 05:51
18 ноя 2020, 05:51
9485ca7
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dnl macros to configure Libgcrypt dnl Copyright (C) 1998, 1999, 2000, 2001, 2002, dnl 2003 Free Software Foundation, Inc. dnl Copyright (C) 2013 g10 Code GmbH dnl dnl This file is part of Libgcrypt. dnl dnl Libgcrypt is free software; you can redistribute it and/or modify dnl it under the terms of the GNU Lesser General Public License as dnl published by the Free Software Foundation; either version 2.1 of dnl the License, or (at your option) any later version. dnl dnl Libgcrypt is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU Lesser General Public License for more details. dnl dnl You should have received a copy of the GNU Lesser General Public dnl License along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA dnl GCRY_MSG_SHOW(PREFIX,STRING) dnl Print a message with a prefix. dnl define([GCRY_MSG_SHOW], [ echo " $1 $2" 1>&AS_MESSAGE_FD([]) ]) dnl GCRY_MSG_WRAP(PREFIX, ALGOLIST) dnl Print a nicely formatted list of algorithms dnl with an appropriate line wrap. dnl define([GCRY_MSG_WRAP], [ tmp=" $1" tmpi="abc" if test "${#tmpi}" -ne 3 >/dev/null 2>&1 ; then dnl Without a POSIX shell, we don't botter to wrap it echo "$tmp $2" 1>&AS_MESSAGE_FD([]) else tmpi=`echo "$tmp"| sed 's/./ /g'` echo $2 EOF | tr ' ' '\n' | \ while read word; do if test "${#tmp}" -gt 70 ; then echo "$tmp" 1>&AS_MESSAGE_FD([]) tmp="$tmpi" fi if test "$word" = "EOF" ; then echo "$tmp" 1>&AS_MESSAGE_FD([]) else tmp="$tmp $word" fi done fi ]) dnl GNUPG_CHECK_TYPEDEF(TYPE, HAVE_NAME) dnl Check whether a typedef exists and create a #define $2 if it exists dnl AC_DEFUN([GNUPG_CHECK_TYPEDEF], [ AC_MSG_CHECKING(for $1 typedef) AC_CACHE_VAL(gnupg_cv_typedef_$1, [AC_TRY_COMPILE([#define _GNU_SOURCE 1 #include <stdlib.h> #include <sys/types.h>], [ #undef $1 int a = sizeof($1); ], gnupg_cv_typedef_$1=yes, gnupg_cv_typedef_$1=no )]) AC_MSG_RESULT($gnupg_cv_typedef_$1) if test "$gnupg_cv_typedef_$1" = yes; then AC_DEFINE($2,1,[Defined if a `]$1[' is typedef'd]) fi ]) dnl GNUPG_CHECK_GNUMAKE dnl AC_DEFUN([GNUPG_CHECK_GNUMAKE], [ if ${MAKE-make} --version 2>/dev/null | grep '^GNU ' >/dev/null 2>&1; then : else AC_MSG_WARN([[ *** *** It seems that you are not using GNU make. Some make tools have serious *** flaws and you may not be able to build this software at all. Before you *** complain, please try GNU make: GNU make is easy to build and available *** at all GNU archives. It is always available from ftp.gnu.org:/gnu/make. ***]]) fi ]) # # GNUPG_SYS_SYMBOL_UNDERSCORE # Does the compiler prefix global symbols with an underscore? # # Taken from GnuPG 1.2 and modified to use the libtool macros. AC_DEFUN([GNUPG_SYS_SYMBOL_UNDERSCORE], [tmp_do_check="no" case "${host}" in i?86-mingw32* | i?86-*-mingw32*) ac_cv_sys_symbol_underscore=yes ;; x86_64-*-mingw32*) ac_cv_sys_symbol_underscore=no ;; i386-emx-os2 | i[3456]86-pc-os2*emx | i386-pc-msdosdjgpp) ac_cv_sys_symbol_underscore=yes ;; *) if test "$cross_compiling" != yes; then tmp_do_check="yes" fi ;; esac if test "$tmp_do_check" = "yes"; then AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE]) AC_MSG_CHECKING([for _ prefix in compiled symbols]) AC_CACHE_VAL(ac_cv_sys_symbol_underscore, [ac_cv_sys_symbol_underscore=no cat > conftest.$ac_ext <<EOF void nm_test_func(){} int main(){nm_test_func;return 0;} EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. ac_nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \| cut -d \' \' -f 2 \> $ac_nlist) && test -s "$ac_nlist"; then # See whether the symbols have a leading underscore. if egrep '^_nm_test_func' "$ac_nlist" >/dev/null; then ac_cv_sys_symbol_underscore=yes else if egrep '^nm_test_func ' "$ac_nlist" >/dev/null; then : else echo "configure: cannot find nm_test_func in $ac_nlist" >&AS_MESSAGE_LOG_FD fi fi else echo "configure: cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.c >&AS_MESSAGE_LOG_FD fi rm -rf conftest* ]) else AC_MSG_CHECKING([for _ prefix in compiled symbols]) fi AC_MSG_RESULT($ac_cv_sys_symbol_underscore) if test x$ac_cv_sys_symbol_underscore = xyes; then AC_DEFINE(WITH_SYMBOL_UNDERSCORE,1, [Defined if compiled symbols have a leading underscore]) fi ]) ###################################################################### # Check whether mlock is broken (hpux 10.20 raises a SIGBUS if mlock # is not called from uid 0 (not tested whether uid 0 works) # For DECs Tru64 we have also to check whether mlock is in librt # mlock is there a macro using memlk() ###################################################################### dnl GNUPG_CHECK_MLOCK dnl define(GNUPG_CHECK_MLOCK, [ AC_CHECK_FUNCS(mlock) if test "$ac_cv_func_mlock" = "no"; then AC_CHECK_HEADERS(sys/mman.h) if test "$ac_cv_header_sys_mman_h" = "yes"; then # Add librt to LIBS: AC_CHECK_LIB(rt, memlk) AC_CACHE_CHECK([whether mlock is in sys/mman.h], gnupg_cv_mlock_is_in_sys_mman, [AC_LINK_IFELSE( [AC_LANG_PROGRAM([[ #include <assert.h> #ifdef HAVE_SYS_MMAN_H #include <sys/mman.h> #endif ]], [[ int i; /* glibc defines this for functions which it implements * to always fail with ENOSYS. Some functions are actually * named something starting with __ and the normal name * is an alias. */ #if defined (__stub_mlock) || defined (__stub___mlock) choke me #else mlock(&i, 4); #endif ; return 0; ]])], gnupg_cv_mlock_is_in_sys_mman=yes, gnupg_cv_mlock_is_in_sys_mman=no)]) if test "$gnupg_cv_mlock_is_in_sys_mman" = "yes"; then AC_DEFINE(HAVE_MLOCK,1, [Defined if the system supports an mlock() call]) fi fi fi if test "$ac_cv_func_mlock" = "yes"; then AC_CHECK_FUNCS(sysconf getpagesize) AC_MSG_CHECKING(whether mlock is broken) AC_CACHE_VAL(gnupg_cv_have_broken_mlock, AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <sys/mman.h> #include <sys/types.h> #include <fcntl.h> int main() { char *pool; int err; long int pgsize; #if defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE) pgsize = sysconf (_SC_PAGESIZE); #elif defined (HAVE_GETPAGESIZE) pgsize = getpagesize(); #else pgsize = -1; #endif if (pgsize == -1) pgsize = 4096; pool = malloc( 4096 + pgsize ); if( !pool ) return 2; pool += (pgsize - ((long int)pool % pgsize)); err = mlock( pool, 4096 ); if( !err || errno == EPERM || errno == EAGAIN) return 0; /* okay */ return 1; /* hmmm */ } ]])], gnupg_cv_have_broken_mlock="no", gnupg_cv_have_broken_mlock="yes", gnupg_cv_have_broken_mlock="assume-no" ) ) if test "$gnupg_cv_have_broken_mlock" = "yes"; then AC_DEFINE(HAVE_BROKEN_MLOCK,1, [Defined if the mlock() call does not work]) AC_MSG_RESULT(yes) else if test "$gnupg_cv_have_broken_mlock" = "no"; then AC_MSG_RESULT(no) else AC_MSG_RESULT(assuming no) fi fi fi ]) # GNUPG_SYS_LIBTOOL_CYGWIN32 - find tools needed on cygwin32 AC_DEFUN([GNUPG_SYS_LIBTOOL_CYGWIN32], [AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(AS, as, false) ]) dnl LIST_MEMBER() dnl Check whether an element ist contained in a list. Set `found' to dnl `1' if the element is found in the list, to `0' otherwise. AC_DEFUN([LIST_MEMBER], [ name=$1 list=$2 found=0 for n in $list; do if test "x$name" = "x$n"; then found=1 fi done ]) dnl Check for socklen_t: historically on BSD it is an int, and in dnl POSIX 1g it is a type of its own, but some platforms use different dnl types for the argument to getsockopt, getpeername, etc. So we dnl have to test to find something that will work. AC_DEFUN([TYPE_SOCKLEN_T], [ AC_CHECK_TYPE([socklen_t], ,[ AC_MSG_CHECKING([for socklen_t equivalent]) AC_CACHE_VAL([socklen_t_equiv], [ # Systems have either "struct sockaddr *" or # "void *" as the second argument to getpeername socklen_t_equiv= for arg2 in "struct sockaddr" void; do for t in int size_t unsigned long "unsigned long"; do AC_TRY_COMPILE([ #include <sys/types.h> #include <sys/socket.h> int getpeername (int, $arg2 *, $t *); ],[ $t len; getpeername(0,0,&len); ],[ socklen_t_equiv="$t" break ]) done done if test "x$socklen_t_equiv" = x; then AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) fi ]) AC_MSG_RESULT($socklen_t_equiv) AC_DEFINE_UNQUOTED(socklen_t, $socklen_t_equiv, [type to use in place of socklen_t if not defined])], [#include <sys/types.h> #include <sys/socket.h>]) ]) # GNUPG_PTH_VERSION_CHECK(REQUIRED) # # If the version is sufficient, HAVE_PTH will be set to yes. # # Taken form the m4 macros which come with Pth AC_DEFUN([GNUPG_PTH_VERSION_CHECK], [ _pth_version=`$PTH_CONFIG --version | awk 'NR==1 {print [$]3}'` _req_version="ifelse([$1],,1.2.0,$1)" AC_MSG_CHECKING(for PTH - version >= $_req_version) for _var in _pth_version _req_version; do eval "_val=\"\$${_var}\"" _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\1/'` _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\2/'` _rtype=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\3/'` _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\4/'` case $_rtype in "a" ) _rtype=0 ;; "b" ) _rtype=1 ;; "." ) _rtype=2 ;; esac _hex=`echo dummy | awk '{ printf("%d%02d%1d%02d", major, minor, rtype, micro); }' \ "major=$_major" "minor=$_minor" "rtype=$_rtype" "micro=$_micro"` eval "${_var}_hex=\"\$_hex\"" done have_pth=no if test ".$_pth_version_hex" != .; then if test ".$_req_version_hex" != .; then if test $_pth_version_hex -ge $_req_version_hex; then have_pth=yes fi fi fi if test $have_pth = yes; then AC_MSG_RESULT(yes) AC_MSG_CHECKING([whether PTH installation is sane]) AC_CACHE_VAL(gnupg_cv_pth_is_sane,[ _gnupg_pth_save_cflags=$CFLAGS _gnupg_pth_save_ldflags=$LDFLAGS _gnupg_pth_save_libs=$LIBS CFLAGS="$CFLAGS `$PTH_CONFIG --cflags`" LDFLAGS="$LDFLAGS `$PTH_CONFIG --ldflags`" LIBS="$LIBS `$PTH_CONFIG --libs`" AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pth.h> ], [[ pth_init ();]])], gnupg_cv_pth_is_sane=yes, gnupg_cv_pth_is_sane=no) CFLAGS=$_gnupg_pth_save_cflags LDFLAGS=$_gnupg_pth_save_ldflags LIBS=$_gnupg_pth_save_libs ]) if test $gnupg_cv_pth_is_sane != yes; then have_pth=no fi AC_MSG_RESULT($gnupg_cv_pth_is_sane) else AC_MSG_RESULT(no) fi ])