dnl configure.in for cvs AC_INIT(src/cvs.h) dnl AC_PREREQ(2.4)dnl Required Autoconf version. dnl Do not use autoconf 2.12; it produces a configure script which produces dnl a "internal 2K buffer" error on HPUX when run with /bin/sh. dnl autoconf 2.10 seems like a good choice. dnl dnl It is possible that we should just change the above required version dnl to 2.10; it seems like everyone is using 2.10 anyway, and there is dnl at least some sentiment that we should be using a version which has dnl --bindir (and correspondingly, using @bindir@ and friends in our dnl Makefile.in files. Rumor has it that autoconf 2.7 dnl introduced --bindir but the point is that 2.10 has it. AC_CONFIG_HEADER(config.h src/options.h) AC_PROG_CC AC_AIX AC_MINIX AC_ISC_POSIX if test "$ISC" = yes; then CFLAGS="$CFLAGS -D_SYSV3" LIBS="-lcrypt $LIBS" fi AC_PREFIX_PROGRAM(cvs) dnl FIXME: AC_C_CROSS is considered obsolete by autoconf 2.12, and is dnl pretty ugly to start with. But it isn't obvious to me how we should dnl be handling the uses of cross_compiling below. AC_C_CROSS AC_C_CONST AC_PROG_INSTALL AC_PROG_RANLIB AC_PROG_YACC AC_PROG_MAKE_SET AC_PATH_PROG(perl_path, perl, no) AC_PATH_PROG(csh_path, csh, no) AC_SYS_INTERPRETER if test X"$ac_cv_sys_interpreter" != X"yes" ; then # silly trick to avoid problems in AC macros... ac_msg='perl scripts using #! may not be invoked properly' AC_MSG_WARN($ac_msg) fi AC_HEADER_STDC AC_CHECK_HEADERS(errno.h unistd.h string.h memory.h utime.h fcntl.h ndbm.h \ limits.h sys/file.h \ sys/param.h sys/select.h sys/time.h sys/timeb.h \ io.h direct.h sys/bsdtypes.h sys/resource.h) AC_HEADER_SYS_WAIT AC_HEADER_STAT AC_HEADER_TIME AC_HEADER_DIRENT AC_TYPE_SIGNAL AC_TYPE_UID_T AC_TYPE_MODE_T AC_TYPE_SIZE_T AC_TYPE_PID_T AC_STRUCT_ST_BLKSIZE AC_REPLACE_FUNCS(mkdir rename strstr dup2 strerror valloc waitpid memmove vasprintf strtoul) AC_CHECK_FUNCS(fchmod fsync ftime mktemp putenv vprintf ftruncate timezone getpagesize initgroups fchdir sigaction sigprocmask sigvec sigsetmask sigblock tempnam tzset readlink wait3) dnl dnl The CVS coding standard (as specified in HACKING) is that if it exists dnl in SunOS4 and ANSI, we use it. CVS itself, of course, therefore doesn't dnl need HAVE_* defines for such functions, but diff wants them. dnl AC_DEFINE(HAVE_STRCHR) AC_DEFINE(HAVE_MEMCHR) dnl dnl AC_FUNC_VFORK is rather baroque. It seems to be rather more picky dnl than, say, the Single Unix Specification (version 2), which simplifies dnl a lot of cases by saying that the child process can't set any variables dnl (thus avoiding problems with register allocation) or call any functions dnl (thus avoiding problems with whether file descriptors are shared). dnl It would be nice if we could just write to the Single Unix Specification. dnl I think the only way to do redirection this way is by doing it in the dnl parent, and then undoing it afterwards (analogous to windows-NT/run.c). dnl That would appear to have a race condition if the user hits ^C (or dnl some other signal) at the wrong time, as main_cleanup will try to use dnl stdout/stderr. So maybe we are stuck with AC_FUNC_VFORK. dnl AC_FUNC_VFORK AC_FUNC_CLOSEDIR_VOID dnl dnl Check for shadow password support. dnl dnl We used to try to determine whether shadow passwords were actually in dnl use or not, but the code has been changed to work right reguardless, dnl so we can go back to a simple check. AC_CHECK_LIB(sec, getspnam) AC_CHECK_FUNCS(getspnam) dnl dnl Check for a system libz. dnl AC_CHECK_LIB(z, zlibVersion, ZLIB=-lz , ZLIBSUBDIRS=zlib ZLIB=$srcdir/zlib/libz.a ZLIB_INCLUDES=-I$srcdir/zlib) AC_SUBST(ZLIB) AC_SUBST(ZLIBSUBDIRS) AC_SUBST(ZLIB_INCLUDES) dnl We always use CVS's regular expression matcher. dnl This is because: dnl (1) If memory serves, the syntax of the regular expressions dnl handled by re_exec is not consistent from system to system, which dnl is a Bad Thing because CVS passes this syntax out to the user. dnl We might have better luck with the POSIX interface, if we really dnl want to look for a system-supplied matcher. dnl (2) It is necessary to make _sure_ that we get a regex.h and regex.c dnl that match each other. In particular, rx and the CVS/emacs dnl regex.c have a different "struct re_pattern_buffer" and so using dnl the system regex.h and our regex.c, or vice versa, will tend to dnl cause a core dump. dnl (3) Just as a random data point, CVS uses re_exec (a BSD interface); dnl libdiff uses re_compile_pattern (a GNU interface, I think). Diff dnl should probably be fixed to have the caller (CVS) supply the regexp dnl matching. dnl dnl AC_CHECK_FUNC(re_exec, :, LIBOBJS="$LIBOBJS regex.o") AC_FUNC_UTIME_NULL AC_SYS_LONG_FILE_NAMES AC_MSG_CHECKING([for working fnmatch function]) AC_CACHE_VAL(ccvs_cv_sys_working_fnmatch, [AC_TRY_RUN([ #include <fnmatch.h> int main () { exit ((fnmatch ("a", "a", FNM_PATHNAME) == 0 && fnmatch ("a", "b", FNM_PATHNAME) == FNM_NOMATCH) ? 0 : 1); }], ccvs_cv_sys_working_fnmatch=yes, ccvs_cv_sys_working_fnmatch=no, ccvs_cv_sys_working_fnmatch=no)]) if test $ccvs_cv_sys_working_fnmatch = no; then LIBOBJS="$LIBOBJS fnmatch.o" fi AC_MSG_RESULT($ccvs_cv_sys_working_fnmatch) # If we can't find connect, try looking in -lsocket, -lnsl, and -linet. # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has # libsocket.so which has a bad implementation of gethostbyname (it # only looks in /etc/hosts), so we only look for -lsocket if we need # it. AC_CHECK_FUNC(connect, :, [case "$LIBS" in *-lnsl*) ;; *) AC_CHECK_LIB(nsl_s, printf) ;; esac case "$LIBS" in *-lnsl*) ;; *) AC_CHECK_LIB(nsl, printf) ;; esac case "$LIBS" in *-lsocket*) ;; *) AC_CHECK_LIB(socket, connect) ;; esac case "$LIBS" in *-linet*) ;; *) AC_CHECK_LIB(inet, connect) ;; esac dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value dnl has been cached. if test "$ac_cv_lib_socket_connect" = "yes" || test "$ac_cv_lib_inet_connect" = "yes"; then ac_cv_func_connect=yes AC_DEFINE(HAVE_CONNECT) fi]) dnl dnl set $(KRB4) from --with-krb4=value -- WITH_KRB4 dnl dnl If you change this, keep in mind that some systems have a bogus dnl libkrb in the system libraries, so --with-krb4=value needs to dnl override the system -lkrb. dnl KRB4=/usr/kerberos define(WITH_KRB4,[ AC_ARG_WITH([krb4], [ --with-krb4=value set default \$(KRB4) from value], [KRB4=$withval], )dnl echo "default place for krb4 is $KRB4" AC_SUBST(KRB4)])dnl WITH_KRB4 krb_h= AC_MSG_CHECKING([for krb.h]) if test "$cross_compiling" != yes && test -r $KRB4/include/krb.h; then hold_cflags=$CFLAGS CFLAGS="$CFLAGS -I$KRB4/include" AC_TRY_LINK([#include <krb.h>],[int i;], [krb_h=yes krb_incdir=$KRB4/include], [CFLAGS=$hold_cflags AC_TRY_LINK([#include <krb.h>],[int i;], [krb_h=yes krb_incdir=])]) CFLAGS=$hold_cflags else AC_TRY_LINK([#include <krb.h>],[int i;], [krb_h=yes krb_incdir=]) fi if test -z "$krb_h"; then AC_TRY_LINK([#include <krb.h>],[int i;], [krb_h=yes krb_incdir=], [if test "$cross_compiling" != yes && test -r $KRB4/include/kerberosIV/krb.h; then hold_cflags=$CFLAGS CFLAGS="$CFLAGS -I$KRB4/include/kerberosIV" AC_TRY_LINK([#include <krb.h>],[int i;], [krb_h=yes krb_incdir=$KRB4/include/kerberosIV]) CFLAGS=$hold_cflags fi]) fi AC_MSG_RESULT($krb_h) includeopt= AC_SUBST(includeopt) if test -n "$krb_h"; then krb_lib= if test "$cross_compiling" != yes && test -r $KRB4/lib/libkrb.a; then hold_ldflags=$LDFLAGS LDFLAGS="-L${KRB4}/lib $LDFLAGS" AC_CHECK_LIB(krb,printf,[krb_lib=yes krb_libdir=${KRB4}/lib], [LDFLAGS=$hold_ldflags # Using open here instead of printf so we don't # get confused by the cached value for printf from above. AC_CHECK_LIB(krb,open,[krb_lib=yes krb_libdir=])]) LDFLAGS=$hold_ldflags else AC_CHECK_LIB(krb,printf,[krb_lib=yes krb_libdir=]) fi if test -n "$krb_lib"; then AC_DEFINE(HAVE_KERBEROS) test -n "${krb_libdir}" && LIBS="${LIBS} -L${krb_libdir}" LIBS="${LIBS} -lkrb" # Put -L${krb_libdir} in LDFLAGS temporarily so that it appears before # -ldes in the command line. Don't do it permanently so that we honor # the user's setting for LDFLAGS hold_ldflags=$LDFLAGS test -n "${krb_libdir}" && LDFLAGS="$LDFLAGS -L${krb_libdir}" AC_CHECK_LIB(des,printf,[LIBS="${LIBS} -ldes"]) LDFLAGS=$hold_ldflags if test -n "$krb_incdir"; then includeopt="${includeopt} -I$krb_incdir" fi fi fi AC_CHECK_FUNCS(krb_get_err_text) dnl dnl Use --with-gssapi=DIR to enable GSSAPI support. dnl GSSAPI=/usr/cygnus/kerbnet define(WITH_GSSAPI,[ AC_ARG_WITH([gssapi], [ --with-gssapi=value GSSAPI directory], [GSSAPI=$withval], )dnl echo "default place for GSSAPI is $GSSAPI" AC_SUBST(GSSAPI)])dnl WITH_GSSAPI hold_cppflags=$CPPFLAGS CPPFLAGS="$CPPFLAGS -I$GSSAPI/include " AC_CHECK_HEADERS(gssapi.h gssapi/gssapi.h gssapi/gssapi_generic.h) CPPFLAGS=$hold_cppflags if test "$ac_cv_header_gssapi_h" = "yes" || test "$ac_cv_header_gssapi_gssapi_h" = "yes"; then AC_DEFINE(HAVE_GSSAPI) includeopt="${includeopt} -I$GSSAPI/include" # FIXME: This is ugly, but these things don't seem to be standardized. if test "$ac_cv_header_gssapi_h" = "yes"; then LIBS="$LIBS -L$GSSAPI/lib -lgssapi -lkrb5 -lasn1 -ldes -lroken" else LIBS="$LIBS -L$GSSAPI/lib -lgssapi_krb5 -lkrb5 -lcrypto -lcom_err" fi save_CPPFLAGS=$CPPFLAGS CPPFLAGS="-I$GSSAPI/include $CPPFLAGS" if test "$ac_cv_header_gssapi_h" = "yes"; then AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE)) else AC_EGREP_HEADER(GSS_C_NT_HOSTBASED_SERVICE, gssapi/gssapi.h, AC_DEFINE(HAVE_GSS_C_NT_HOSTBASED_SERVICE)) fi CPPFLAGS=$save_CPPFLAGS # This is necessary on Irix 5.3, in order to link against libkrb5 -- # there, an_to_ln.o refers to things defined only in -lgen. AC_CHECK_LIB(gen, compile) fi dnl dnl Use --with-encryption to turn on encryption support dnl AC_ARG_ENABLE(encryption, [ --enable-encryption enable encryption support], [case "${enableval}" in yes) encryption=true ;; no) encryption=false ;; *) AC_MSG_ERROR(bad value ${enableval} for encryption option) ;; esac], [encryption=false]) if test "$encryption" = "true"; then AC_DEFINE(ENCRYPTION) fi AC_CHECK_FUNC(gethostname, :, LIBOBJS="$LIBOBJS hostname.o") # Check for options requesting client and server feature. If none are # given and we have connect(), we want the full client & server arrangement. AC_ARG_ENABLE(client, [ --enable-client include code for running as a remote client (default) --disable-client don't include remote client code], [if test "$enable_client" = yes; then AC_DEFINE(CLIENT_SUPPORT) fi], [if test "$ac_cv_func_connect" = yes; then AC_DEFINE(CLIENT_SUPPORT) fi]) AC_ARG_ENABLE(server, [ --enable-server include code for running as a server (default) --disable-server don't include server code], [if test "$enable_server" = yes; then AC_DEFINE(SERVER_SUPPORT) fi], [if test "$ac_cv_func_connect" = yes; then AC_DEFINE(SERVER_SUPPORT) enable_server=yes fi]) ### The auth server needs to be able to check passwords against passwd ### file entries, so we only #define AUTH_SERVER_SUPPORT if we can ### find the crypt function. ### ### We used to test for crypt in libc first, and only add -lcrypt if ### we couldn't find it, but that interacts badly with the cache ### variables, the 'unset' command isn't portable, and I'm not sure ### there's any harm in just testing for -lcrypt first. ### ### XXX OpenBSD has crypt in libc, but don't carry libcrypt. However ### XXX it used to have libcrypt which means old systems that hasn't ### XXX explicitly removed libcrypt will establish dependencies on the ### XXX obsolete library. if test "$enable_server" = yes; then AC_CHECK_FUNCS(crypt) if test "$ac_cv_func_crypt" = no; then AC_CHECK_LIB(crypt, crypt) AC_CHECK_FUNCS(crypt) fi if test "$ac_cv_func_crypt" = yes; then AC_DEFINE(AUTH_SERVER_SUPPORT) fi fi # enable_server dnl For the moment we will assume that all systems which have dnl the unixyness to run configure are unixy enough to do the dnl PreservePermissions stuff. I have this sinking feeling that dnl things won't be that simple, before long. AC_DEFINE(PRESERVE_PERMISSIONS_SUPPORT) dnl On cygwin32, we configure like a Unix system, but we use the dnl Windows support code in lib/fncase.c to handle the case dnl insensitive file system. We also need some support libraries. We dnl do this at the end so that the new libraries are added at the end dnl of LIBS. AC_CACHE_CHECK(for cygwin32, ccvs_cv_sys_cygwin32, [AC_TRY_COMPILE([], [return __CYGWIN32__;], ccvs_cv_sys_cygwin32=yes, ccvs_cv_sys_cygwin32=no)]) if test $ccvs_cv_sys_cygwin32 = yes; then LIBOBJS="$LIBOBJS fncase.o" LIBS="$LIBS -ladvapi32" dnl On Windows you can only change file times if you can write to dnl the file. cygwin32 should really handle this for us, but as of dnl January 1998 it doesn't. AC_DEFINE(UTIME_EXPECTS_WRITABLE) dnl On Windows we must use setmode to change between binary and text dnl mode. AC_DEFINE(USE_SETMODE_STDOUT) AC_DEFINE(HAVE_SETMODE) fi test -f src/options.h && ( AC_MSG_WARN(saving ./src/options.h in ./src/options.h-SAVED) AC_MSG_WARN(You may wish to check that local options have not been lost.) AC_MSG_WARN(Do not re-run ./configure or ./config.status until you have....) cp ./src/options.h ./src/options.h-SAVED ) AC_OUTPUT(Makefile lib/Makefile src/Makefile zlib/Makefile diff/Makefile doc/Makefile \ man/Makefile tools/Makefile tools/pcl-cvs/Makefile \ contrib/Makefile contrib/elib/Makefile \ windows-NT/Makefile windows-NT/SCC/Makefile \ os2/Makefile emx/Makefile macintosh/Makefile vms/Makefile \ stamp-h)