AC_PREREQ(2.52) AC_COPYRIGHT([Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 Massachusetts Institute of Technology. ]) dnl define([K5_TOPDIR],[.])dnl dnl AC_DEFUN(V5_SET_TOPDIR,[dnl ac_reltopdir="K5_TOPDIR" if test ! -r "$srcdir/K5_TOPDIR/aclocal.m4"; then AC_MSG_ERROR([Configure could not determine the relative topdir]) fi ac_topdir=$srcdir/$ac_reltopdir ac_config_fragdir=$ac_reltopdir/config # echo "Looking for $srcdir/$ac_config_fragdir" if test -d "$srcdir/$ac_config_fragdir"; then AC_CONFIG_AUX_DIR(K5_TOPDIR/config) else AC_MSG_ERROR([can not find config/ directory in $ac_reltopdir]) fi ])dnl dnl dnl Version info. dnl pushdef([x],esyscmd([sed -n 's/#define \([A-Z0-9_]*\)[ \t]*\(.*\)/\1=\2/p' < ]K5_TOPDIR/patchlevel.h)) define([PL_KRB5_MAJOR_RELEASE],regexp(x,[KRB5_MAJOR_RELEASE=\(.*\)],[\1])) ifelse(PL_KRB5_MAJOR_RELEASE,,[errprint([Can't determine KRB5_MAJOR_RELEASE value from patchlevel.h. ]) m4exit(1) dnl sometimes that does not work? builtin(m4exit,1)]) define([PL_KRB5_MINOR_RELEASE],regexp(x,[KRB5_MINOR_RELEASE=\(.*\)],[\1])) ifelse(PL_KRB5_MINOR_RELEASE,,[errprint([Can't determine KRB5_MINOR_RELEASE value from patchlevel.h. ]) m4exit(1) dnl sometimes that does not work? builtin(m4exit,1)]) define([PL_KRB5_PATCHLEVEL],regexp(x,[KRB5_PATCHLEVEL=\(.*\)],[\1])) ifelse(PL_KRB5_PATCHLEVEL,,[errprint([Can't determine KRB5_PATCHLEVEL value from patchlevel.h. ]) m4exit(1) dnl sometimes that does not work? builtin(m4exit,1)]) define([PL_KRB5_RELTAIL],regexp(x,[KRB5_RELTAIL="\(.*\)"],[\1])) dnl RELTAIL is allowed to not be defined. popdef([x]) define([K5_VERSION],PL_KRB5_MAJOR_RELEASE.PL_KRB5_MINOR_RELEASE[]ifelse(PL_KRB5_PATCHLEVEL,0,,.PL_KRB5_PATCHLEVEL)ifelse(PL_KRB5_RELTAIL,,,-PL_KRB5_RELTAIL)) define([K5_BUGADDR],krb5-bugs@mit.edu) define([K5_AC_INIT],[AC_INIT(Kerberos 5, K5_VERSION, K5_BUGADDR, krb5) AC_CONFIG_SRCDIR($1) build_dynobj=no]) dnl dnl drop in standard rules for all configure files -- CONFIG_RULES dnl AC_DEFUN(CONFIG_RULES,[dnl AC_REQUIRE([V5_SET_TOPDIR]) dnl EXTRA_FILES="" AC_SUBST(EXTRA_FILES) WITH_CC dnl AC_REQUIRE_CPP if test -z "$LD" ; then LD=$CC; fi AC_ARG_VAR(LD,[linker command [CC]]) AC_SUBST(LDFLAGS) dnl KRB5_AC_CHOOSE_ET dnl KRB5_AC_CHOOSE_SS dnl KRB5_AC_CHOOSE_DB dnl dnl allow stuff in tree to access deprecated stuff for now dnl AC_DEFINE([KRB5_DEPRECATED], 1, [Define only if building in-tree]) AC_C_CONST dnl WITH_NETLIB dnl WITH_HESIOD dnl KRB5_AC_MAINTAINER_MODE dnl AC_ARG_PROGRAM dnl dnl dnl This identifies the top of the source tree relative to the directory dnl in which the configure file lives. dnl CONFIG_RELTOPDIR=$ac_reltopdir AC_SUBST(CONFIG_RELTOPDIR) lib_frag=$srcdir/$ac_config_fragdir/lib.in AC_SUBST_FILE(lib_frag) libobj_frag=$srcdir/$ac_config_fragdir/libobj.in AC_SUBST_FILE(libobj_frag) libnover_frag=$srcdir/$ac_config_fragdir/libnover.in AC_SUBST_FILE(libnover_frag) libpriv_frag=$srcdir/$ac_config_fragdir/libpriv.in AC_SUBST_FILE(libpriv_frag) libnodeps_frag=$srcdir/$ac_config_fragdir/libnodeps.in AC_SUBST_FILE(libnodeps_frag) dnl KRB5_AC_PRAGMA_WEAK_REF WITH_LDAP KRB5_LIB_PARAMS KRB5_AC_INITFINI KRB5_AC_ENABLE_THREADS KRB5_AC_FIND_DLOPEN KRB5_AC_KEYRING_CCACHE ])dnl dnl Maintainer mode, akin to what automake provides, 'cept we don't dnl want to use automake right now. AC_DEFUN([KRB5_AC_MAINTAINER_MODE], [AC_ARG_ENABLE([maintainer-mode], AC_HELP_STRING([--enable-maintainer-mode],[enable rebuilding of source files, Makefiles, etc]), USE_MAINTAINER_MODE=$enableval, USE_MAINTAINER_MODE=no) if test "$USE_MAINTAINER_MODE" = yes; then MAINTAINER_MODE_TRUE= MAINTAINER_MODE_FALSE='#' AC_MSG_NOTICE(enabling maintainer mode) else MAINTAINER_MODE_TRUE='#' MAINTAINER_MODE_FALSE= fi MAINT=$MAINTAINER_MODE_TRUE AC_SUBST(MAINTAINER_MODE_TRUE) AC_SUBST(MAINTAINER_MODE_FALSE) AC_SUBST(MAINT) ]) dnl AC_DEFUN([KRB5_AC_INITFINI],[ dnl Do we want initialization at load time? AC_ARG_ENABLE([delayed-initialization], AC_HELP_STRING([--disable-delayed-initialization],initialize library code when loaded @<:@delay until first use@:>@), , enable_delayed_initialization=yes) case "$enable_delayed_initialization" in yes) AC_DEFINE(DELAY_INITIALIZER,1,[Define if library initialization should be delayed until first use]) ;; no) ;; *) AC_MSG_ERROR(invalid option $enable_delayed_initialization for delayed-initialization) ;; esac dnl We always want finalization at unload time. dnl dnl Can we do things through gcc? KRB5_AC_GCC_ATTRS dnl How about with the linker? if test -z "$use_linker_init_option" ; then AC_MSG_ERROR(ran INITFINI before checking shlib.conf?) fi if test "$use_linker_init_option" = yes; then AC_DEFINE(USE_LINKER_INIT_OPTION,1,[Define if link-time options for library initialization will be used]) fi if test "$use_linker_fini_option" = yes; then AC_DEFINE(USE_LINKER_FINI_OPTION,1,[Define if link-time options for library finalization will be used]) fi ]) dnl find dlopen AC_DEFUN([KRB5_AC_FIND_DLOPEN],[ old_LIBS="$LIBS" DL_LIB= AC_SEARCH_LIBS(dlopen, dl, [ if test "$ac_cv_search_dlopen" != "none required"; then DL_LIB=$ac_cv_search_dlopen fi LIBS="$old_LIBS" AC_DEFINE(USE_DLOPEN,1,[Define if dlopen should be used])]) AC_SUBST(DL_LIB) ]) dnl Hack for now. AC_DEFUN([KRB5_AC_ENABLE_THREADS],[ AC_ARG_ENABLE([thread-support], AC_HELP_STRING([--disable-thread-support],don't enable thread support @<:@enabled@:>@), , enable_thread_support=yes) if test "$enable_thread_support" = yes ; then AC_MSG_NOTICE(enabling thread support) AC_DEFINE(ENABLE_THREADS,1,[Define if thread support enabled]) fi dnl Maybe this should be inside the conditional above? Doesn't cache.... if test "$enable_thread_support" = yes; then ACX_PTHREAD(,[AC_MSG_ERROR([cannot determine options for enabling thread support; try --disable-thread-support])]) AC_MSG_NOTICE(PTHREAD_CC = $PTHREAD_CC) AC_MSG_NOTICE(PTHREAD_CFLAGS = $PTHREAD_CFLAGS) AC_MSG_NOTICE(PTHREAD_LIBS = $PTHREAD_LIBS) dnl Not really needed -- if pthread.h isn't found, ACX_PTHREAD will fail. dnl AC_CHECK_HEADERS(pthread.h) # AIX and Tru64 don't support weak references, and don't have # stub versions of the pthread code in libc. case "${host_os}" in aix* | osf*) # On these platforms, we'll always pull in the thread support. LIBS="$LIBS $PTHREAD_LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" # We don't need to sometimes add the flags we've just folded in... PTHREAD_LIBS= PTHREAD_CFLAGS= ;; hpux*) # These are the flags that "gcc -pthread" adds. But we don't # want "-pthread" because that has link-time effects, and we # don't exclude CFLAGS when linking. *sigh* PTHREAD_CFLAGS="-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L" ;; solaris2.[[1-9]]) # On Solaris 10 with gcc 3.4.3, the autoconf archive macro doesn't # get the right result. XXX What about Solaris 9 and earlier? if test "$GCC" = yes ; then PTHREAD_CFLAGS="-D_REENTRANT -pthreads" fi ;; solaris*) # On Solaris 10 with gcc 3.4.3, the autoconf archive macro doesn't # get the right result. if test "$GCC" = yes ; then PTHREAD_CFLAGS="-D_REENTRANT -pthreads" fi # On Solaris 10, the thread support is always available in libc. AC_DEFINE(NO_WEAK_PTHREADS,1,[Define if references to pthread routines should be non-weak.]) ;; esac THREAD_SUPPORT=1 else PTHREAD_CC="$CC" PTHREAD_CFLAGS="" PTHREAD_LIBS="" THREAD_SUPPORT=0 fi AC_SUBST(THREAD_SUPPORT) dnl We want to know where these routines live, so on systems with weak dnl reference support we can figure out whether or not the pthread library dnl has been linked in. dnl If we don't add any libraries for thread support, don't bother. AC_CHECK_FUNCS(pthread_once pthread_rwlock_init) old_CC="$CC" test "$PTHREAD_CC" != "" && test "$ac_cv_c_compiler_gnu" = no && CC=$PTHREAD_CC old_CFLAGS="$CFLAGS" # On Solaris, -pthreads is added to CFLAGS, no extra explicit libraries. CFLAGS="$CFLAGS $PTHREAD_CFLAGS" AC_SUBST(PTHREAD_CFLAGS) old_LIBS="$LIBS" LIBS="$PTHREAD_LIBS $LIBS" AC_MSG_NOTICE(rechecking with PTHREAD_... options) AC_CHECK_LIB(c, pthread_rwlock_init, [AC_DEFINE(HAVE_PTHREAD_RWLOCK_INIT_IN_THREAD_LIB,1,[Define if pthread_rwlock_init is provided in the thread library.])]) LIBS="$old_LIBS" CC="$old_CC" CFLAGS="$old_CFLAGS" ]) dnl This is somewhat gross and should go away when the build system dnl is revamped. -- tlyu dnl DECLARE_SYS_ERRLIST - check for sys_errlist in libc dnl AC_DEFUN([DECLARE_SYS_ERRLIST], [AC_CACHE_CHECK([for sys_errlist declaration], krb5_cv_decl_sys_errlist, [AC_TRY_COMPILE([#include #include ], [1+sys_nerr;], krb5_cv_decl_sys_errlist=yes, krb5_cv_decl_sys_errlist=no)]) # assume sys_nerr won't be declared w/o being in libc if test $krb5_cv_decl_sys_errlist = yes; then AC_DEFINE(SYS_ERRLIST_DECLARED,1,[Define if sys_errlist is defined in errno.h]) AC_DEFINE(HAVE_SYS_ERRLIST,1,[Define if sys_errlist in libc]) else # This means that sys_errlist is not declared in errno.h, but may still # be in libc. AC_CACHE_CHECK([for sys_errlist in libc], krb5_cv_var_sys_errlist, [AC_TRY_LINK([extern int sys_nerr;], [if (1+sys_nerr < 0) return 1;], krb5_cv_var_sys_errlist=yes, krb5_cv_var_sys_errlist=no;)]) if test $krb5_cv_var_sys_errlist = yes; then AC_DEFINE(HAVE_SYS_ERRLIST,1,[Define if sys_errlist in libc]) # Do this cruft for backwards compatibility for now. AC_DEFINE(NEED_SYS_ERRLIST,1,[Define if need to declare sys_errlist]) else AC_MSG_WARN([sys_errlist is neither in errno.h nor in libc]) fi fi]) dnl dnl check for sigmask/sigprocmask -- CHECK_SIGPROCMASK dnl AC_DEFUN(CHECK_SIGPROCMASK,[ AC_MSG_CHECKING([for use of sigprocmask]) AC_CACHE_VAL(krb5_cv_func_sigprocmask_use, [AC_TRY_LINK([#include ], [sigprocmask(SIG_SETMASK,0,0);], krb5_cv_func_sigprocmask_use=yes, AC_TRY_LINK([#include ], [sigmask(1);], krb5_cv_func_sigprocmask_use=no, krb5_cv_func_sigprocmask_use=yes))]) AC_MSG_RESULT($krb5_cv_func_sigprocmask_use) if test $krb5_cv_func_sigprocmask_use = yes; then AC_DEFINE(USE_SIGPROCMASK,1,[Define if sigprocmask should be used]) fi ])dnl dnl AC_DEFUN(AC_PROG_ARCHIVE, [AC_CHECK_PROG(ARCHIVE, ar, ar cqv, false)])dnl AC_DEFUN(AC_PROG_ARCHIVE_ADD, [AC_CHECK_PROG(ARADD, ar, ar cruv, false)])dnl dnl dnl check for -- CHECK_DIRENT dnl (may need to be more complex later) dnl AC_DEFUN(CHECK_DIRENT,[ AC_CHECK_HEADER(dirent.h,AC_DEFINE(USE_DIRENT_H,1,[Define if you have dirent.h functionality]))])dnl dnl dnl check if union wait is defined, or if WAIT_USES_INT -- CHECK_WAIT_TYPE dnl AC_DEFUN(CHECK_WAIT_TYPE,[ AC_MSG_CHECKING([if argument to wait is int *]) AC_CACHE_VAL(krb5_cv_struct_wait, dnl Test for prototype clash - if there is none - then assume int * works [AC_TRY_COMPILE([#include #include extern pid_t wait(int *);],[], krb5_cv_struct_wait=no,dnl dnl Else fallback on old stuff [AC_TRY_COMPILE( [#include ], [union wait i; #ifdef WEXITSTATUS WEXITSTATUS (i); #endif ], krb5_cv_struct_wait=yes, krb5_cv_struct_wait=no)])]) AC_MSG_RESULT($krb5_cv_struct_wait) if test $krb5_cv_struct_wait = no; then AC_DEFINE(WAIT_USES_INT,1,[Define if wait takes int as a argument]) fi ])dnl dnl dnl check for POSIX signal handling -- CHECK_SIGNALS dnl AC_DEFUN(CHECK_SIGNALS,[ AC_CHECK_FUNC(sigprocmask, AC_MSG_CHECKING(for sigset_t and POSIX_SIGNALS) AC_CACHE_VAL(krb5_cv_type_sigset_t, [AC_TRY_COMPILE( [#include ], [sigset_t x], krb5_cv_type_sigset_t=yes, krb5_cv_type_sigset_t=no)]) AC_MSG_RESULT($krb5_cv_type_sigset_t) if test $krb5_cv_type_sigset_t = yes; then AC_DEFINE(POSIX_SIGNALS,1,[Define if POSIX signal handling is used]) fi )])dnl dnl dnl check for signal type dnl dnl AC_RETSIGTYPE isn't quite right, but almost. AC_DEFUN(KRB5_SIGTYPE,[ AC_MSG_CHECKING([POSIX signal handlers]) AC_CACHE_VAL(krb5_cv_has_posix_signals, [AC_TRY_COMPILE( [#include #include #ifdef signal #undef signal #endif extern void (*signal ()) ();], [], krb5_cv_has_posix_signals=yes, krb5_cv_has_posix_signals=no)]) AC_MSG_RESULT($krb5_cv_has_posix_signals) if test $krb5_cv_has_posix_signals = yes; then stype=void AC_DEFINE(POSIX_SIGTYPE, 1, [Define if POSIX signal handlers are used]) else if test $ac_cv_type_signal = void; then stype=void else stype=int fi fi AC_DEFINE_UNQUOTED(krb5_sigtype, $stype, [Define krb5_sigtype to type of signal handler])dnl ])dnl dnl dnl check for POSIX setjmp/longjmp -- CHECK_SETJMP dnl AC_DEFUN(CHECK_SETJMP,[ AC_CHECK_FUNC(sigsetjmp, AC_MSG_CHECKING(for sigjmp_buf) AC_CACHE_VAL(krb5_cv_struct_sigjmp_buf, [AC_TRY_COMPILE( [#include ],[sigjmp_buf x], krb5_cv_struct_sigjmp_buf=yes,krb5_cv_struct_sigjmp_buf=no)]) AC_MSG_RESULT($krb5_cv_struct_sigjmp_buf) if test $krb5_cv_struct_sigjmp_buf = yes; then AC_DEFINE(POSIX_SETJMP,1,[Define if setjmp indicates POSIX interface]) fi )])dnl dnl dnl Check for IPv6 compile-time support. dnl AC_DEFUN(KRB5_AC_INET6,[ AC_CHECK_HEADERS(sys/types.h sys/socket.h netinet/in.h netdb.h) AC_CHECK_FUNCS(inet_ntop inet_pton getnameinfo) dnl getaddrinfo test needs netdb.h, for proper compilation on alpha dnl under OSF/1^H^H^H^H^HDigital^H^H^H^H^H^H^HTru64 UNIX, where it's dnl a macro AC_MSG_CHECKING(for getaddrinfo) AC_CACHE_VAL(ac_cv_func_getaddrinfo, [AC_TRY_LINK([#ifdef HAVE_NETDB_H #include #endif],[ struct addrinfo *ai; getaddrinfo("kerberos.mit.edu", "echo", 0, &ai); ], ac_cv_func_getaddrinfo=yes, ac_cv_func_getaddrinfo=no)]) AC_MSG_RESULT($ac_cv_func_getaddrinfo) if test $ac_cv_func_getaddrinfo = yes; then AC_DEFINE(HAVE_GETADDRINFO,1,[Define if you have the getaddrinfo function]) fi dnl AC_REQUIRE([KRB5_SOCKADDR_SA_LEN])dnl AC_MSG_CHECKING(for IPv6 compile-time support without -DINET6) AC_CACHE_VAL(krb5_cv_inet6,[ if test "$ac_cv_func_inet_ntop" != "yes" ; then krb5_cv_inet6=no else AC_TRY_COMPILE([ #ifdef HAVE_SYS_TYPES_H #include #endif #include #include #include ],[ struct sockaddr_in6 in; AF_INET6; IN6_IS_ADDR_LINKLOCAL (&in.sin6_addr); ],krb5_cv_inet6=yes,krb5_cv_inet6=no)]) fi AC_MSG_RESULT($krb5_cv_inet6) if test "$krb5_cv_inet6" = no && test "$ac_cv_func_inet_ntop" = yes; then AC_MSG_CHECKING(for IPv6 compile-time support with -DINET6) AC_CACHE_VAL(krb5_cv_inet6_with_dinet6,[ old_CC="$CC" CC="$CC -DINET6" AC_TRY_COMPILE([ #ifdef HAVE_SYS_TYPES_H #include #endif #include #include #include ],[ struct sockaddr_in6 in; AF_INET6; IN6_IS_ADDR_LINKLOCAL (&in.sin6_addr); ],krb5_cv_inet6_with_dinet6=yes,krb5_cv_inet6_with_dinet6=no) CC="$old_CC"]) AC_MSG_RESULT($krb5_cv_inet6_with_dinet6) fi if test $krb5_cv_inet6 = yes || test "$krb5_cv_inet6_with_dinet6" = yes; then if test "$krb5_cv_inet6_with_dinet6" = yes; then AC_DEFINE(INET6,1,[May need to be defined to enable IPv6 support, for example on IRIX]) fi fi ])dnl dnl AC_DEFUN(KRB5_AC_CHECK_FOR_CFLAGS,[ AC_BEFORE([$0],[AC_PROG_CC]) AC_BEFORE([$0],[AC_PROG_CXX]) krb5_ac_cflags_set=${CFLAGS+set} krb5_ac_cxxflags_set=${CXXFLAGS+set} krb5_ac_warn_cflags_set=${WARN_CFLAGS+set} krb5_ac_warn_cxxflags_set=${WARN_CXXFLAGS+set} ]) dnl AC_DEFUN(TRY_WARN_CC_FLAG,[dnl cachevar=`echo "krb5_cv_cc_flag_$1" | sed -e s/=/_eq_/g -e s/-/_dash_/g -e s/[[^a-zA-Z0-9_]]/_/g` AC_CACHE_CHECK([if C compiler supports $1], [$cachevar], [# first try without, then with AC_TRY_COMPILE([], 1;, [old_cflags="$CFLAGS" CFLAGS="$CFLAGS $1" AC_TRY_COMPILE([], 1;, eval $cachevar=yes, eval $cachevar=no) CFLAGS="$old_cflags"], [AC_MSG_ERROR(compiling simple test program with $CFLAGS failed)])]) if eval test '"${'$cachevar'}"' = yes; then WARN_CFLAGS="$WARN_CFLAGS $1" fi eval flag_supported='${'$cachevar'}' ])dnl dnl AC_DEFUN(WITH_CC,[dnl AC_REQUIRE([KRB5_AC_CHECK_FOR_CFLAGS])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_CXX])dnl if test $ac_cv_c_compiler_gnu = yes ; then HAVE_GCC=yes else HAVE_GCC= fi AC_SUBST(HAVE_GCC) AC_CACHE_CHECK([for GNU linker], krb5_cv_prog_gnu_ld, [krb5_cv_prog_gnu_ld=no if test "$GCC" = yes; then if AC_TRY_COMMAND([$CC -Wl,-v 2>&1 dnl | grep "GNU ld" > /dev/null]); then krb5_cv_prog_gnu_ld=yes fi fi]) AC_ARG_WITH([size-optimizations], [ --with-size-optimizations enable a few optimizations to reduce code size possibly at some run-time cost], , withval=no) if test "$withval" = yes; then AC_DEFINE(CONFIG_SMALL,1,[Define to reduce code size even if it means more cpu usage]) fi # -Wno-long-long, if needed, for k5-platform.h without inttypes.h etc. extra_gcc_warn_opts="-Wall -Wcast-align -Wshadow" # -Wmissing-prototypes if test "$GCC" = yes ; then # Putting this here means we get -Os after -O2, which works. if test "$with_size_optimizations" = yes && test "x$krb5_ac_cflags_set" != xset; then AC_MSG_NOTICE(adding -Os optimization option) case "$CFLAGS" in "-g -O2") CFLAGS="-g -Os" ;; "-O2") CFLAGS="-Os" ;; *) CFLAGS="$CFLAGS -Os" ;; esac fi if test "x$krb5_ac_warn_cflags_set" = xset ; then AC_MSG_NOTICE(not adding extra gcc warning flags because WARN_CFLAGS was set) else AC_MSG_NOTICE(adding extra warning flags for gcc) WARN_CFLAGS="$WARN_CFLAGS $extra_gcc_warn_opts -Wmissing-prototypes" if test "`uname -s`" = Darwin ; then AC_MSG_NOTICE(skipping pedantic warnings on Darwin) elif test "`uname -s`" = Linux ; then AC_MSG_NOTICE(skipping pedantic warnings on Linux) else WARN_CFLAGS="$WARN_CFLAGS -pedantic" fi if test "$ac_cv_cxx_compiler_gnu" = yes; then if test "x$krb5_ac_warn_cxxflags_set" = xset ; then AC_MSG_NOTICE(not adding extra g++ warnings because WARN_CXXFLAGS was set) else AC_MSG_NOTICE(adding extra warning flags for g++) WARN_CXXFLAGS="$WARN_CXXFLAGS $extra_gcc_warn_opts" fi fi # Currently, G++ does not support -Wno-format-zero-length. TRY_WARN_CC_FLAG(-Wno-format-zero-length) # Other flags here may not be supported on some versions of # gcc that people want to use. for flag in overflow strict-overflow missing-format-attribute missing-prototypes return-type missing-braces parentheses switch unused-function unused-label unused-variable unused-value unknown-pragmas sign-compare newline-eof error=uninitialized ; do TRY_WARN_CC_FLAG(-W$flag) done # old-style-definition? generates many, many warnings # # Warnings that we'd like to turn into errors on versions of gcc # that support promoting only specific warnings to errors, but # we'll take as warnings on older compilers. (If such a warning # is added after the -Werror=foo feature, you can just put # error=foo in the above list, and skip the test for the # warning-only form.) At least in some versions, -Werror= doesn't # seem to make the conditions actual errors, but still issues # warnings; I guess we'll take what we can get. # # We're currently targeting C89+, not C99, so disallow some # constructs. for flag in declaration-after-statement variadic-macros ; do TRY_WARN_CC_FLAG(-Werror=$flag) if test "$flag_supported" = no; then TRY_WARN_CC_FLAG(-W$flag) fi done # We require function declarations now. # # In some compiler versions -- e.g., "gcc version 4.2.1 (Apple # Inc. build 5664)" -- the -Werror- option works, but the -Werror= # version doesn't cause implicitly declared functions to be # flagged as errors. If neither works, -Wall implies # -Wimplicit-function-declaration so don't bother. TRY_WARN_CC_FLAG(-Werror-implicit-function-declaration) if test "implicit-function-declaration_supported" = no; then TRY_WARN_CC_FLAG(-Werror=implicit-function-declaration) fi # fi if test "`uname -s`" = Darwin ; then # Someday this should be a feature test. # One current (Jaguar = OS 10.2) problem: # Archive library with foo.o undef sym X and bar.o common sym X, # if foo.o is pulled in at link time, bar.o may not be, causing # the linker to complain. # Dynamic library problems too? case "$CC $CFLAGS" in *-fcommon*) ;; # why someone would do this, I don't know *-fno-common*) ;; # okay, they're already doing the right thing *) AC_MSG_NOTICE(disabling the use of common storage on Darwin) CFLAGS="$CFLAGS -fno-common" ;; esac case "$LD $LDFLAGS" in *-Wl,-search_paths_first*) ;; *) LDFLAGS="${LDFLAGS} -Wl,-search_paths_first" ;; esac fi else if test "`uname -s`" = AIX ; then # Using AIX but not GCC, assume native compiler. # The native compiler appears not to give a nonzero exit # status for certain classes of errors, like missing arguments # in function calls. Let's try to fix that with -qhalt=e. case "$CC $CFLAGS" in *-qhalt=*) ;; *) CFLAGS="$CFLAGS -qhalt=e" AC_MSG_NOTICE(adding -qhalt=e for better error reporting) ;; esac # Also, the optimizer isn't turned on by default, which means # the static inline functions get left in random object files, # leading to references to pthread_mutex_lock from anything that # includes k5-int.h whether it uses threads or not. case "$CC $CFLAGS" in *-O*) ;; *) CFLAGS="$CFLAGS -O" AC_MSG_NOTICE(adding -O for inline thread-support function elimination) ;; esac fi if test "`uname -s`" = SunOS ; then # Using Solaris but not GCC, assume Sunsoft compiler. # We have some error-out-on-warning options available. # Sunsoft 12 compiler defaults to -xc99=all, it appears, so "inline" # works, but it also means that declaration-in-code warnings won't # be issued. # -v -fd -errwarn=E_DECLARATION_IN_CODE ... WARN_CFLAGS="-errtags=yes -errwarn=E_BAD_PTR_INT_COMBINATION,E_BAD_PTR_INT_COMB_ARG,E_PTR_TO_VOID_IN_ARITHMETIC,E_NO_IMPLICIT_DECL_ALLOWED,E_ATTRIBUTE_PARAM_UNDEFINED" WARN_CXXFLAGS="-errtags=yes +w +w2 -xport64" fi fi AC_SUBST(WARN_CFLAGS) AC_SUBST(WARN_CXXFLAGS) ])dnl dnl dnl dnl check for yylineno -- HAVE_YYLINENO dnl AC_DEFUN(HAVE_YYLINENO,[dnl AC_REQUIRE_CPP()AC_REQUIRE([AC_PROG_LEX])dnl AC_MSG_CHECKING([for yylineno declaration]) AC_CACHE_VAL(krb5_cv_type_yylineno, # some systems have yylineno, others don't... echo '%% %%' | ${LEX} -t > conftest.out if egrep yylineno conftest.out >/dev/null 2>&1; then krb5_cv_type_yylineno=yes else krb5_cv_type_yylineno=no fi rm -f conftest.out) AC_MSG_RESULT($krb5_cv_type_yylineno) if test $krb5_cv_type_yylineno = no; then AC_DEFINE(NO_YYLINENO, 1, [Define if lex produes code with yylineno]) fi ])dnl dnl dnl K5_GEN_MAKEFILE([dir, [frags]]) dnl AC_DEFUN(K5_GEN_MAKEFILE,[dnl ifelse($1, ,[_K5_GEN_MAKEFILE(.,$2)],[_K5_GEN_MAKEFILE($1,$2)]) ]) dnl dnl _K5_GEN_MAKEFILE(dir, [frags]) dnl dir must be present in this case dnl Note: Be careful in quoting. dnl The ac_foreach generates the list of fragments to include dnl or "" if $2 is empty AC_DEFUN(_K5_GEN_MAKEFILE,[dnl AC_CONFIG_FILES([$1/Makefile:$srcdir/]K5_TOPDIR[/config/pre.in:$1/Makefile.in:$1/deps:$srcdir/]K5_TOPDIR[/config/post.in]) ]) dnl dnl K5_GEN_FILE( ) dnl AC_DEFUN(K5_GEN_FILE,[AC_CONFIG_FILES($1)])dnl dnl dnl K5_AC_OUTPUT dnl Note: Adds the variables to config.status for individual dnl Makefile generation from config.status AC_DEFUN(K5_AC_OUTPUT,[AC_OUTPUT])dnl dnl dnl V5_AC_OUTPUT_MAKEFILE dnl AC_DEFUN(V5_AC_OUTPUT_MAKEFILE, [ifelse($1, , [_V5_AC_OUTPUT_MAKEFILE(.,$2)],[_V5_AC_OUTPUT_MAKEFILE($1,$2)])]) dnl define(_V5_AC_OUTPUT_MAKEFILE, [ifelse($2, , ,AC_CONFIG_FILES($2)) AC_FOREACH([DIR], [$1],dnl [AC_CONFIG_FILES(DIR[/Makefile:$srcdir/]K5_TOPDIR[/config/pre.in:]DIR[/Makefile.in:]DIR[/deps:$srcdir/]K5_TOPDIR[/config/post.in])]) K5_AC_OUTPUT])dnl dnl dnl dnl KRB5_SOCKADDR_SA_LEN: define HAVE_SA_LEN if sockaddr contains the sa_len dnl component dnl AC_DEFUN([KRB5_SOCKADDR_SA_LEN],[ dnl AC_CHECK_MEMBER(struct sockaddr.sa_len, AC_DEFINE(HAVE_SA_LEN,1,[Define if struct sockaddr contains sa_len]) ,,[#include #include ])]) dnl dnl WITH_NETLIB dnl dnl AC_DEFUN(WITH_NETLIB,[ AC_ARG_WITH([netlib], AC_HELP_STRING([--with-netlib=LIBS], use user defined resolver library), [ if test "$withval" = yes -o "$withval" = no ; then AC_MSG_RESULT("netlib will link with C library resolver only") else LIBS="$LIBS $withval" AC_MSG_RESULT("netlib will use \'$withval\'") fi ],dnl [AC_LIBRARY_NET] )])dnl dnl dnl AC_DEFUN(KRB5_AC_NEED_DAEMON, [ KRB5_NEED_PROTO([#ifdef HAVE_UNISTD_H #include #endif],daemon,1)])dnl dnl dnl KRB5_AC_NEED_LIBGEN --- check if libgen needs to be linked in for dnl compile/step dnl dnl AC_DEFUN(KRB5_AC_NEED_LIBGEN,[ AC_REQUIRE([AC_PROG_CC])dnl dnl dnl regcomp is present but non-functional on Solaris 2.4 dnl AC_MSG_CHECKING(for working regcomp) AC_CACHE_VAL(ac_cv_func_regcomp,[ AC_TRY_RUN([ #include #include regex_t x; regmatch_t m; int main() { return regcomp(&x,"pat.*",0) || regexec(&x,"pattern",1,&m,0); } ], ac_cv_func_regcomp=yes, ac_cv_func_regcomp=no, AC_MSG_ERROR([Cannot test regcomp when cross compiling]))]) AC_MSG_RESULT($ac_cv_func_regcomp) test $ac_cv_func_regcomp = yes && AC_DEFINE(HAVE_REGCOMP,1,[Define if regcomp exists and functions]) dnl dnl Check for the compile and step functions - only if regcomp is not available dnl if test $ac_cv_func_regcomp = no; then save_LIBS="$LIBS" LIBS=-lgen dnl this will fail if there's no compile/step in -lgen, or if there's dnl no -lgen. This is fine. AC_CHECK_FUNCS(compile step) LIBS="$save_LIBS" dnl dnl Set GEN_LIB if necessary dnl AC_CHECK_LIB(gen, compile, GEN_LIB=-lgen, GEN_LIB=) AC_SUBST(GEN_LIB) fi ]) dnl dnl KRB5_AC_REGEX_FUNCS --- check for different regular expression dnl support functions dnl AC_DEFUN(KRB5_AC_REGEX_FUNCS,[ AC_CHECK_FUNCS(re_comp re_exec regexec) AC_REQUIRE([KRB5_AC_NEED_LIBGEN])dnl ])dnl dnl dnl AC_KRB5_TCL_FIND_CONFIG (uses tcl_dir) dnl AC_DEFUN(AC_KRB5_TCL_FIND_CONFIG,[ AC_REQUIRE([KRB5_LIB_AUX])dnl AC_MSG_CHECKING(for tclConfig.sh) dnl On Debian, we might be given --with-tcl=/usr, or tclsh might dnl point us to /usr/lib/tcl8.4; either way, we need to find dnl /usr/lib/tcl8.4/tclConfig.sh. dnl On NetBSD, we might be given --with-tcl=/usr/pkg, or tclsh dnl might point us to /usr/pkg/lib/tcl8.4; we need to find dnl /usr/pkg/lib/tclConfig.sh. if test -r "$tcl_dir/lib/tclConfig.sh" ; then tcl_conf="$tcl_dir/lib/tclConfig.sh" elif test -r "$tcl_dir/tclConfig.sh" ; then tcl_conf="$tcl_dir/tclConfig.sh" elif test -r "$tcl_dir/../tclConfig.sh" ; then tcl_conf="$tcl_dir/../tclConfig.sh" else tcl_conf= lib="$tcl_dir/lib" changequote(<<,>>)dnl for d in "$lib" "$lib"/tcl7.[0-9] "$lib"/tcl8.[0-9] ; do if test -r "$d/tclConfig.sh" ; then tcl_conf="$tcl_conf $d/tclConfig.sh" fi done changequote([,])dnl fi if test -n "$tcl_conf" ; then AC_MSG_RESULT($tcl_conf) else AC_MSG_RESULT(not found) fi tcl_ok_conf= tcl_vers_maj= tcl_vers_min= old_CPPFLAGS=$CPPFLAGS old_LIBS=$LIBS old_LDFLAGS=$LDFLAGS if test -n "$tcl_conf" ; then for file in $tcl_conf ; do TCL_MAJOR_VERSION=x ; TCL_MINOR_VERSION=x AC_MSG_CHECKING(Tcl info in $file) . $file v=$TCL_MAJOR_VERSION.$TCL_MINOR_VERSION if test -z "$tcl_vers_maj" \ || test "$tcl_vers_maj" -lt "$TCL_MAJOR_VERSION" \ || test "$tcl_vers_maj" = "$TCL_MAJOR_VERSION" -a "$tcl_vers_min" -lt "$TCL_MINOR_VERSION" ; then for incdir in "$TCL_PREFIX/include/tcl$v" "$TCL_PREFIX/include" ; do if test -r "$incdir/tcl.h" -o -r "$incdir/tcl/tcl.h" ; then CPPFLAGS="$old_CPPFLAGS -I$incdir" break fi done LIBS="$old_LIBS `eval echo x $TCL_LIB_SPEC $TCL_LIBS | sed 's/^x//'`" LDFLAGS="$old_LDFLAGS $TCL_LD_FLAGS" AC_TRY_LINK( , [Tcl_CreateInterp ();], tcl_ok_conf=$file tcl_vers_maj=$TCL_MAJOR_VERSION tcl_vers_min=$TCL_MINOR_VERSION AC_MSG_RESULT($v - working), AC_MSG_RESULT($v - compilation failed) ) else AC_MSG_RESULT(older version $v) fi done fi CPPFLAGS=$old_CPPFLAGS LIBS=$old_LIBS LDFLAGS=$old_LDFLAGS tcl_header=no tcl_lib=no if test -n "$tcl_ok_conf" ; then . $tcl_ok_conf TCL_INCLUDES= for incdir in "$TCL_PREFIX/include/tcl$v" "$TCL_PREFIX/include" ; do if test -r "$incdir/tcl.h" -o -r "$incdir/tcl/tcl.h" ; then if test "$incdir" != "/usr/include" ; then TCL_INCLUDES=-I$incdir fi break fi done # Need eval because the first-level expansion could reference # variables like ${TCL_DBGX}. eval TCL_LIBS='"'$TCL_LIB_SPEC $TCL_LIBS $TCL_DL_LIBS'"' TCL_LIBPATH="-L$TCL_EXEC_PREFIX/lib" TCL_RPATH=":$TCL_EXEC_PREFIX/lib" if test "$DEPLIBEXT" != "$SHLIBEXT" && test -n "$RPATH_FLAG"; then TCL_MAYBE_RPATH='$(RPATH_FLAG)'"$TCL_EXEC_PREFIX/lib$RPATH_TAIL" else TCL_MAYBE_RPATH= fi CPPFLAGS="$old_CPPFLAGS $TCL_INCLUDES" AC_CHECK_HEADER(tcl.h,AC_DEFINE(HAVE_TCL_H,1,[Define if tcl.h is available]) tcl_header=yes) if test $tcl_header=no; then AC_CHECK_HEADER(tcl/tcl.h,AC_DEFINE(HAVE_TCL_TCL_H,1,[Define if tcl/tcl.h is available]) tcl_header=yes) fi CPPFLAGS="$old_CPPFLAGS" tcl_lib=yes else # If we read a tclConfig.sh file, it probably set this. TCL_LIBS= fi AC_SUBST(TCL_INCLUDES) AC_SUBST(TCL_LIBS) AC_SUBST(TCL_LIBPATH) AC_SUBST(TCL_RPATH) AC_SUBST(TCL_MAYBE_RPATH) ])dnl dnl dnl AC_KRB5_TCL_TRYOLD dnl attempt to use old search algorithm for locating tcl dnl AC_DEFUN(AC_KRB5_TCL_TRYOLD, [ AC_REQUIRE([KRB5_AC_FIND_DLOPEN]) AC_MSG_WARN([trying old tcl search code]) if test "$with_tcl" != yes -a "$with_tcl" != no; then TCL_INCLUDES=-I$with_tcl/include TCL_LIBPATH=-L$with_tcl/lib TCL_RPATH=:$with_tcl/lib fi if test "$with_tcl" != no ; then krb5_save_CPPFLAGS="$CPPFLAGS" krb5_save_LDFLAGS="$LDFLAGS" CPPFLAGS="$CPPFLAGS $TCL_INCLUDES" LDFLAGS="$LDFLAGS $TCL_LIBPATH" tcl_header=no AC_CHECK_HEADER(tcl.h,AC_DEFINE(HAVE_TCL_H,1,[Define if tcl.h found]) tcl_header=yes) if test $tcl_header=no; then AC_CHECK_HEADER(tcl/tcl.h,AC_DEFINE(HAVE_TCL_TCL_H,1,[Define if tcl/tcl.h found]) tcl_header=yes) fi if test $tcl_header = yes ; then tcl_lib=no if test $tcl_lib = no; then AC_CHECK_LIB(tcl8.0, Tcl_CreateCommand, TCL_LIBS="$TCL_LIBS -ltcl8.0 -lm $DL_LIB $LIBS" tcl_lib=yes,,-lm $DL_LIB) fi if test $tcl_lib = no; then AC_CHECK_LIB(tcl7.6, Tcl_CreateCommand, TCL_LIBS="$TCL_LIBS -ltcl7.6 -lm $DL_LIB $LIBS" tcl_lib=yes,,-lm $DL_LIB) fi if test $tcl_lib = no; then AC_CHECK_LIB(tcl7.5, Tcl_CreateCommand, TCL_LIBS="$TCL_LIBS -ltcl7.5 -lm $DL_LIB $LIBS" tcl_lib=yes,,-lm $DL_LIB) fi if test $tcl_lib = no ; then AC_CHECK_LIB(tcl, Tcl_CreateCommand, TCL_LIBS="$TCL_LIBS -ltcl -lm $DL_LIB $LIBS" tcl_lib=yes,,-lm $DL_LIB) fi if test $tcl_lib = no ; then AC_MSG_WARN("tcl.h found but not library") fi else AC_MSG_WARN(Could not find Tcl which is needed for the kadm5 tests) TCL_LIBS= fi CPPFLAGS="$krb5_save_CPPFLAGS" LDFLAGS="$krb5_save_LDFLAGS" AC_SUBST(TCL_INCLUDES) AC_SUBST(TCL_LIBS) AC_SUBST(TCL_LIBPATH) AC_SUBST(TCL_RPATH) else AC_MSG_RESULT("Not looking for Tcl library") fi ])dnl dnl dnl AC_KRB5_TCL - determine if the TCL library is present on system dnl AC_DEFUN(AC_KRB5_TCL,[ TCL_INCLUDES= TCL_LIBPATH= TCL_RPATH= TCL_LIBS= TCL_WITH= tcl_dir= AC_ARG_WITH(tcl, [ --with-tcl=path where Tcl resides], , with_tcl=try) if test "$with_tcl" = no ; then true elif test "$with_tcl" = yes -o "$with_tcl" = try ; then tcl_dir=/usr if test ! -r /usr/lib/tclConfig.sh; then cat >> conftest <<\EOF puts "tcl_dir=$tcl_library" EOF if tclsh conftest >conftest.out 2>/dev/null; then if grep tcl_dir= conftest.out >/dev/null 2>&1; then t=`sed s/tcl_dir=// conftest.out` tcl_dir=$t fi fi # tclsh ran script okay rm -f conftest conftest.out fi # no /usr/lib/tclConfig.sh else tcl_dir=$with_tcl fi if test "$with_tcl" != no ; then AC_KRB5_TCL_FIND_CONFIG if test $tcl_lib = no ; then if test "$with_tcl" != try ; then AC_KRB5_TCL_TRYOLD else AC_MSG_WARN(Could not find Tcl which is needed for some tests) fi fi fi # If "yes" or pathname, error out if not found. if test "$with_tcl" != no -a "$with_tcl" != try ; then if test "$tcl_header $tcl_lib" != "yes yes" ; then AC_MSG_ERROR(Could not find Tcl) fi fi ])dnl dnl dnl WITH_HESIOD dnl AC_DEFUN(WITH_HESIOD, [AC_ARG_WITH(hesiod, AC_HELP_STRING(--with-hesiod[=path], compile with hesiod support @<:@omitted@:>@), hesiod=$with_hesiod, with_hesiod=no) if test "$with_hesiod" != "no"; then HESIOD_DEFS=-DHESIOD AC_CHECK_LIB(resolv, res_send, res_lib=-lresolv) if test "$hesiod" != "yes"; then HESIOD_LIBS="-L${hesiod}/lib -lhesiod $res_lib" else HESIOD_LIBS="-lhesiod $res_lib" fi else HESIOD_DEFS= HESIOD_LIBS= fi AC_SUBST(HESIOD_DEFS) AC_SUBST(HESIOD_LIBS)]) dnl dnl KRB5_BUILD_LIBRARY dnl dnl Pull in the necessary stuff to create the libraries. AC_DEFUN(KRB5_BUILD_LIBRARY, [AC_REQUIRE([KRB5_LIB_AUX])dnl AC_REQUIRE([AC_PROG_LN_S])dnl AC_REQUIRE([AC_PROG_RANLIB])dnl AC_REQUIRE([AC_PROG_ARCHIVE])dnl AC_REQUIRE([AC_PROG_ARCHIVE_ADD])dnl AC_REQUIRE([AC_PROG_INSTALL])dnl AC_CHECK_PROG(AR, ar, ar, false) if test "$AR" = "false"; then AC_MSG_ERROR([ar not found in PATH]) fi AC_CHECK_PROG(PERL, perl, perl, false) if test "$ac_cv_prog_PERL" = "false"; then AC_MSG_ERROR(Perl is now required for Kerberos builds.) fi AC_SUBST(LIBLIST) AC_SUBST(LIBLINKS) AC_SUBST(PLUGIN) AC_SUBST(PLUGINLINK) AC_SUBST(PLUGININST) AC_SUBST(KDB5_PLUGIN_DEPLIBS) AC_SUBST(KDB5_PLUGIN_LIBS) AC_SUBST(MAKE_SHLIB_COMMAND) AC_SUBST(SHLIB_RPATH_FLAGS) AC_SUBST(SHLIB_EXPFLAGS) AC_SUBST(SHLIB_EXPORT_FILE_DEP) AC_SUBST(DYNOBJ_EXPDEPS) AC_SUBST(DYNOBJ_EXPFLAGS) AC_SUBST(INSTALL_SHLIB) AC_SUBST(STLIBEXT) AC_SUBST(SHLIBEXT) AC_SUBST(SHLIBVEXT) AC_SUBST(SHLIBSEXT) AC_SUBST(DEPLIBEXT) AC_SUBST(PFLIBEXT) AC_SUBST(LIBINSTLIST) AC_SUBST(DYNOBJEXT) AC_SUBST(MAKE_DYNOBJ_COMMAND) ]) dnl dnl KRB5_BUILD_LIBOBJS dnl dnl Pull in the necessary stuff to build library objects. AC_DEFUN(KRB5_BUILD_LIBOBJS, [AC_REQUIRE([KRB5_LIB_AUX])dnl AC_SUBST(OBJLISTS) AC_SUBST(STOBJEXT) AC_SUBST(SHOBJEXT) AC_SUBST(PFOBJEXT) AC_SUBST(PICFLAGS) AC_SUBST(PROFFLAGS)]) dnl dnl KRB5_BUILD_PROGRAM dnl dnl Set variables to build a program. AC_DEFUN(KRB5_BUILD_PROGRAM, [AC_REQUIRE([KRB5_LIB_AUX])dnl AC_REQUIRE([KRB5_AC_NEED_LIBGEN])dnl AC_SUBST(CC_LINK) AC_SUBST(CXX_LINK) AC_SUBST(RPATH_FLAG) AC_SUBST(PROG_RPATH_FLAGS) AC_SUBST(DEPLIBEXT)]) dnl dnl KRB5_RUN_FLAGS dnl dnl Set up environment for running dynamic executables out of build tree AC_DEFUN(KRB5_RUN_FLAGS, [AC_REQUIRE([KRB5_LIB_AUX])dnl KRB5_RUN_ENV="$RUN_ENV" KRB5_RUN_VARS="$RUN_VARS" AC_SUBST(KRB5_RUN_ENV) AC_SUBST(KRB5_RUN_VARS)]) dnl dnl KRB5_LIB_AUX dnl dnl Parse configure options related to library building. AC_DEFUN(KRB5_LIB_AUX, [AC_REQUIRE([KRB5_LIB_PARAMS])dnl AC_ARG_ENABLE([static],,, [enable_static=no]) AC_ARG_ENABLE([shared],,, [enable_shared=yes]) if test "x$enable_static" = "x$enable_shared"; then AC_MSG_ERROR([--enable-static must be specified with --disable-shared]) fi AC_ARG_ENABLE([rpath], AC_HELP_STRING([--disable-rpath],[suppress run path flags in link lines]),, [enable_rpath=yes]) if test "x$enable_rpath" != xyes ; then # Unset the rpath flag values set by shlib.conf SHLIB_RPATH_FLAGS= RPATH_FLAG= PROG_RPATH_FLAGS= fi if test "$SHLIBEXT" = ".so-nobuild"; then AC_MSG_ERROR([Shared libraries are not yet supported on this platform.]) fi DEPLIBEXT=$SHLIBEXT if test "x$enable_static" = xyes; then AC_MSG_NOTICE([using static libraries]) LIBLIST='lib$(LIBBASE)$(STLIBEXT)' LIBLINKS='$(TOPLIBD)/lib$(LIBBASE)$(STLIBEXT)' PLUGIN='libkrb5_$(LIBBASE)$(STLIBEXT)' PLUGINLINK='$(TOPLIBD)/libkrb5_$(LIBBASE)$(STLIBEXT)' PLUGININST=install-static OBJLISTS=OBJS.ST LIBINSTLIST=install-static DEPLIBEXT=$STLIBEXT AC_DEFINE([STATIC_PLUGINS], 1, [Define for static plugin linkage]) KDB5_PLUGIN_DEPLIBS='$(TOPLIBD)/libkrb5_db2$(DEPLIBEXT)' KDB5_PLUGIN_LIBS='-lkrb5_db2' if test "x$OPENLDAP_PLUGIN" = xyes; then KDB5_PLUGIN_DEBLIBS=$KDB5_PLUGIN_DEPLIBS' $(TOPLIBD)/libkrb5_ldap$(DEPLIBEXT) $(TOPLIBD)/libkdb_ldap$(DEPLIBEXT)' KDB5_PLUGIN_LIBS=$KDB5_PLUGIN_LIBS' -lkrb5_kldap -lkdb_ldap $(LDAP_LIBS)' fi # kadm5srv_mit normally comes before kdb on the link line. Add it # again after the KDB plugins, since they depend on it for XDR stuff. KDB5_PLUGIN_DEPLIBS=$KDB5_PLUGIN_DEPLIBS' $(TOPLIBD)/libkadm5srv_mit$(DEPLIBEXT)' KDB5_PLUGIN_LIBS=$KDB5_PLUGIN_LIBS' -lkadm5srv_mit' # avoid duplicate rules generation for AIX and such SHLIBEXT=.so-nobuild SHLIBVEXT=.so.v-nobuild SHLIBSEXT=.so.s-nobuild else AC_MSG_NOTICE([using shared libraries]) # Clear some stuff in case of AIX, etc. if test "$STLIBEXT" = "$SHLIBEXT" ; then STLIBEXT=.a-nobuild fi case "$SHLIBSEXT" in .so.s-nobuild) LIBLIST='lib$(LIBBASE)$(SHLIBEXT)' LIBLINKS='$(TOPLIBD)/lib$(LIBBASE)$(SHLIBEXT) $(TOPLIBD)/lib$(LIBBASE)$(SHLIBVEXT)' LIBINSTLIST="install-shared" ;; *) LIBLIST='lib$(LIBBASE)$(SHLIBEXT) lib$(LIBBASE)$(SHLIBSEXT)' LIBLINKS='$(TOPLIBD)/lib$(LIBBASE)$(SHLIBEXT) $(TOPLIBD)/lib$(LIBBASE)$(SHLIBVEXT) $(TOPLIBD)/lib$(LIBBASE)$(SHLIBSEXT)' LIBINSTLIST="install-shlib-soname" ;; esac OBJLISTS="OBJS.SH" PLUGIN='$(LIBBASE)$(DYNOBJEXT)' PLUGINLINK='../$(PLUGIN)' PLUGININST=install-plugin KDB5_PLUGIN_DEPLIBS= KDB5_PLUGIN_LIBS= fi CC_LINK="$CC_LINK_SHARED" CXX_LINK="$CXX_LINK_SHARED" if test -z "$LIBLIST"; then AC_MSG_ERROR([must enable one of shared or static libraries]) fi # Check whether to build profiled libraries. AC_ARG_ENABLE([profiled], dnl [ --enable-profiled build profiled libraries @<:@disabled@:>@] , [if test "$enableval" = yes; then AC_MSG_ERROR([Sorry, profiled libraries do not work in this release.]) fi])]) dnl dnl KRB5_LIB_PARAMS dnl dnl Determine parameters related to libraries, e.g. various extensions. AC_DEFUN(KRB5_LIB_PARAMS, [AC_REQUIRE([AC_CANONICAL_HOST])dnl krb5_cv_host=$host AC_SUBST(krb5_cv_host) AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([V5_SET_TOPDIR])dnl . $ac_topdir/config/shlib.conf]) dnl dnl The following was written by jhawk@mit.edu dnl dnl AC_LIBRARY_NET: Id: net.m4,v 1.4 1997/10/25 20:49:53 jhawk Exp dnl dnl This test is for network applications that need socket() and dnl gethostbyname() -ish functions. Under Solaris, those applications need to dnl link with "-lsocket -lnsl". Under IRIX, they should *not* link with dnl "-lsocket" because libsocket.a breaks a number of things (for instance: dnl gethostbyname() under IRIX 5.2, and snoop sockets under most versions of dnl IRIX). dnl dnl Unfortunately, many application developers are not aware of this, and dnl mistakenly write tests that cause -lsocket to be used under IRIX. It is dnl also easy to write tests that cause -lnsl to be used under operating dnl systems where neither are necessary (or useful), such as SunOS 4.1.4, which dnl uses -lnsl for TLI. dnl dnl This test exists so that every application developer does not test this in dnl a different, and subtly broken fashion. dnl dnl It has been argued that this test should be broken up into two seperate dnl tests, one for the resolver libraries, and one for the libraries necessary dnl for using Sockets API. Unfortunately, the two are carefully intertwined and dnl allowing the autoconf user to use them independantly potentially results in dnl unfortunate ordering dependancies -- as such, such component macros would dnl have to carefully use indirection and be aware if the other components were dnl executed. Since other autoconf macros do not go to this trouble, and almost dnl no applications use sockets without the resolver, this complexity has not dnl been implemented. dnl dnl The check for libresolv is in case you are attempting to link statically dnl and happen to have a libresolv.a lying around (and no libnsl.a). dnl AC_DEFUN(AC_LIBRARY_NET, [ # Most operating systems have gethostbyname() in the default searched # libraries (i.e. libc): AC_CHECK_FUNC(gethostbyname, , [ # Some OSes (eg. Solaris) place it in libnsl: AC_CHECK_LIB(nsl, gethostbyname, , [ # Some strange OSes (SINIX) have it in libsocket: AC_CHECK_LIB(socket, gethostbyname, , [ # Unfortunately libsocket sometimes depends on libnsl. # AC_CHECK_LIB's API is essentially broken so the following # ugliness is necessary: AC_CHECK_LIB(socket, gethostbyname, LIBS="-lsocket -lnsl $LIBS", [AC_CHECK_LIB(resolv, gethostbyname, LIBS="-lresolv $LIBS" )], -lnsl) ]) ]) ]) AC_CHECK_FUNC(socket, , AC_CHECK_LIB(socket, socket, , AC_CHECK_LIB(socket, socket, LIBS="-lsocket -lnsl $LIBS", , -lnsl))) KRB5_AC_ENABLE_DNS if test "$enable_dns" = yes ; then # We assume that if libresolv exists we can link against it. # This may get us a gethostby* that doesn't respect nsswitch. AC_CHECK_LIB(resolv, main) _KRB5_AC_CHECK_RES_FUNCS(res_ninit res_nclose res_ndestroy res_nsearch dnl ns_initparse ns_name_uncompress dn_skipname res_search) if test $krb5_cv_func_res_nsearch = no \ && test $krb5_cv_func_res_search = no; then # Attempt to link with res_search(), in case it's not prototyped. AC_CHECK_FUNC(res_search, [AC_DEFINE(HAVE_RES_SEARCH, 1, [Define to 1 if you have the `res_search' function])], [AC_ERROR([cannot find res_nsearch or res_search])]) fi fi ]) AC_DEFUN([_KRB5_AC_CHECK_RES_FUNCS], [AC_FOREACH([AC_Func], [$1], [AH_TEMPLATE(AS_TR_CPP(HAVE_[]AC_Func), [Define to 1 if you have the `]AC_Func[' function.])])dnl for krb5_func in $1; do _KRB5_AC_CHECK_RES_FUNC($krb5_func) done ]) AC_DEFUN([_KRB5_AC_CHECK_RES_FUNC], [ # Solaris 9 prototypes ns_name_uncompress() in arpa/nameser.h, but # doesn't export it from libresolv.so, so we use extreme paranoia here # and check both for the declaration and that we can link against the # function. AC_CACHE_CHECK([for $1], [krb5_cv_func_$1], [AC_TRY_LINK( [#include #include #include @%:@include ], [/* * Use volatile, or else optimization can cause false positives. */ void (* volatile p)() = (void (*)())$1;], [AS_VAR_SET(krb5_cv_func_$1, yes)], [AS_VAR_SET(krb5_cv_func_$1, no)])]) AS_IF([test AS_VAR_GET(krb5_cv_func_$1) = yes], [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1]), 1, [Define to 1 if you have the `$1' function])])[]dnl ]) dnl dnl dnl KRB5_AC_ENABLE_DNS dnl AC_DEFUN(KRB5_AC_ENABLE_DNS, [ enable_dns=yes enable_dns_for_kdc=yes AC_DEFINE(KRB5_DNS_LOOKUP_KDC,1,[Define to enable DNS lookups of Kerberos KDCs]) AC_ARG_ENABLE([dns-for-realm], [ --enable-dns-for-realm enable DNS lookups of Kerberos realm names], , [enable_dns_for_realm=no]) if test "$enable_dns_for_realm" = yes; then AC_DEFINE(KRB5_DNS_LOOKUP_REALM,1,[Define to enable DNS lookups of Kerberos realm names]) fi AC_DEFINE(KRB5_DNS_LOOKUP, 1,[Define for DNS support of locating realms and KDCs]) ]) dnl dnl dnl Check if we need the prototype for a function - we give it a bogus dnl prototype and if it complains - then a valid prototype exists on the dnl system. dnl dnl KRB5_NEED_PROTO(includes, function, [bypass]) dnl if $3 set, don't see if library defined. dnl Useful for case where we will define in libkrb5 the function if need be dnl but want to know if a prototype exists in either case on system. dnl AC_DEFUN([KRB5_NEED_PROTO], [ ifelse([$3], ,[if test "x$ac_cv_func_$2" = xyes; then]) AC_CACHE_CHECK([if $2 needs a prototype provided], krb5_cv_func_$2_noproto, AC_TRY_COMPILE([$1], [#undef $2 struct k5foo {int foo; } xx; extern int $2 (struct k5foo*); $2(&xx); ], krb5_cv_func_$2_noproto=yes,krb5_cv_func_$2_noproto=no)) if test $krb5_cv_func_$2_noproto = yes; then AC_DEFINE([NEED_]translit($2, [a-z], [A-Z])[_PROTO], 1, dnl [define if the system header files are missing prototype for $2()]) fi ifelse([$3], ,[fi]) ]) dnl dnl ============================================================= dnl Internal function for testing for getpeername prototype dnl AC_DEFUN([KRB5_GETPEERNAME_ARGS],[ AC_DEFINE([GETPEERNAME_ARG2_TYPE],GETSOCKNAME_ARG2_TYPE,[Type of getpeername second argument.]) AC_DEFINE([GETPEERNAME_ARG3_TYPE],GETSOCKNAME_ARG3_TYPE,[Type of getpeername second argument.]) ]) dnl dnl ============================================================= dnl Internal function for testing for getsockname arguments dnl AC_DEFUN([TRY_GETSOCK_INT],[ krb5_lib_var=`echo "$1 $2" | sed 'y% ./+-*%___p_p%'` AC_MSG_CHECKING([if getsockname() takes arguments $1 and $2]) AC_CACHE_VAL(krb5_cv_getsockname_proto_$krb5_lib_var, [ AC_TRY_COMPILE([#include #include extern int getsockname(int, $1, $2); ],,eval "krb5_cv_getsockname_proto_$krb5_lib_var=yes", eval "krb5_cv_getsockname_proto_$krb5_lib_var=no")]) if eval "test \"`echo '$krb5_cv_getsockname_proto_'$krb5_lib_var`\" = yes"; then AC_MSG_RESULT(yes) sock_set=yes; res1="$1"; res2="$2" else AC_MSG_RESULT(no) fi ]) dnl dnl Determines the types of the second and third arguments to getsockname(). dnl AC_DEFUN([KRB5_GETSOCKNAME_ARGS],[ sock_set=no for sock_arg1 in "struct sockaddr *" "void *" do for sock_arg2 in "size_t *" "int *" "socklen_t *" do if test $sock_set = no; then TRY_GETSOCK_INT($sock_arg1, $sock_arg2) fi done done if test "$sock_set" = no; then AC_MSG_NOTICE(assuming struct sockaddr and socklen_t for getsockname args) res1="struct sockaddr *" res2="socklen_t *" fi res1=`echo "$res1" | tr -d '*' | sed -e 's/ *$//'` res2=`echo "$res2" | tr -d '*' | sed -e 's/ *$//'` AC_DEFINE_UNQUOTED([GETSOCKNAME_ARG2_TYPE],$res1,[Type of pointer target for argument 2 to getsockname]) AC_DEFINE_UNQUOTED([GETSOCKNAME_ARG3_TYPE],$res2,[Type of pointer target for argument 3 to getsockname]) ]) dnl dnl AC_DEFUN([KRB5_AC_CHOOSE_ET],[ AC_ARG_WITH([system-et], AC_HELP_STRING(--with-system-et,use system compile_et and -lcom_err @<:@default: build and install a local version@:>@)) AC_MSG_CHECKING(which version of com_err to use) if test "x$with_system_et" = xyes ; then # This will be changed to "intlsys" if textdomain support is present. COM_ERR_VERSION=sys AC_MSG_RESULT(system) else COM_ERR_VERSION=k5 AC_MSG_RESULT(krb5) fi if test $COM_ERR_VERSION = sys; then # check for various functions we need AC_CHECK_LIB(com_err, add_error_table, :, AC_MSG_ERROR(cannot find add_error_table in com_err library)) AC_CHECK_LIB(com_err, remove_error_table, :, AC_MSG_ERROR(cannot find remove_error_table in com_err library)) # make sure compile_et provides "et_foo" name cat >> conf$$e.et </dev/null 2>&1 ; then true ; else AC_MSG_ERROR(execution failed) fi AC_TRY_COMPILE([#include "conf$$e.h" ],[ &et_foo_error_table; ],:, [AC_MSG_ERROR(cannot use et_foo_error_table)]) # Anything else we need to test for? rm -f conf$$e.c conf$$e.h krb5_cv_compile_et_useful=yes ]) AC_CACHE_CHECK(whether compile_et supports --textdomain, krb5_cv_compile_et_textdomain,[ krb5_cv_compile_et_textdomain=no if compile_et --textdomain=xyzw conf$$e.et >/dev/null 2>&1 ; then if grep -q xyzw conf$$e.c; then krb5_cv_compile_et_textdomain=yes fi fi rm -f conf$$e.c conf$$e.h ]) if test "$krb5_cv_compile_et_textdomain" = yes; then COM_ERR_VERSION=intlsys fi rm -f conf$$e.et fi AC_SUBST(COM_ERR_VERSION) if test "$COM_ERR_VERSION" = k5 -o "$COM_ERR_VERSION" = intlsys; then AC_DEFINE(HAVE_COM_ERR_INTL,1, [Define if com_err has compatible gettext support]) fi ]) AC_DEFUN([KRB5_AC_CHOOSE_SS],[ AC_ARG_WITH(system-ss, AC_HELP_STRING(--with-system-ss,use system -lss and mk_cmds @<:@private version@:>@)) AC_ARG_VAR(SS_LIB,[system libraries for 'ss' package [-lss]]) AC_MSG_CHECKING(which version of subsystem package to use) if test "x$with_system_ss" = xyes ; then SS_VERSION=sys AC_MSG_RESULT(system) # todo: check for various libraries we might need # in the meantime... test "x${SS_LIB+set}" = xset || SS_LIB=-lss old_LIBS="$LIBS" LIBS="$LIBS $SS_LIB" AC_CACHE_CHECK(whether system ss package works, krb5_cv_system_ss_okay,[ AC_TRY_RUN([ #include int main(int argc, char *argv[]) { if (argc == 42) { int i, err; i = ss_create_invocation("foo","foo","",0,&err); ss_listen(i); } return 0; }], krb5_cv_system_ss_okay=yes, AC_MSG_ERROR(cannot run test program), krb5_cv_system_ss_okay="assumed")]) LIBS="$old_LIBS" else SS_VERSION=k5 AC_MSG_RESULT(krb5) fi AC_SUBST(SS_LIB) AC_SUBST(SS_VERSION) ]) dnl AC_DEFUN([KRB5_AC_CHOOSE_DB],[ AC_ARG_WITH(system-db, AC_HELP_STRING(--with-system-db,use system Berkeley db @<:@private version@:>@)) AC_ARG_VAR(DB_HEADER,[header file for system Berkeley db package [db.h]]) AC_ARG_VAR(DB_LIB,[library for system Berkeley db package [-ldb]]) if test "x$with_system_db" = xyes ; then DB_VERSION=sys # TODO: Do we have specific routines we should check for? # How about known, easily recognizable bugs? # We want to use bt_rseq in some cases, but no other version but # ours has it right now. # # Okay, check the variables. test "x${DB_HEADER+set}" = xset || DB_HEADER=db.h test "x${DB_LIB+set}" = xset || DB_LIB=-ldb # if test "x${DB_HEADER}" = xdb.h ; then DB_HEADER_VERSION=sys else DB_HEADER_VERSION=redirect fi KDB5_DB_LIB="$DB_LIB" else DB_VERSION=k5 AC_DEFINE(HAVE_BT_RSEQ,1,[Define if bt_rseq is available, for recursive btree traversal.]) DB_HEADER=db.h DB_HEADER_VERSION=k5 # libdb gets sucked into libkdb KDB5_DB_LIB= # needed for a couple of things that need libdb for its own sake DB_LIB=-ldb fi AC_SUBST(DB_VERSION) AC_SUBST(DB_HEADER) AC_SUBST(DB_HEADER_VERSION) AC_SUBST(DB_LIB) AC_SUBST(KDB5_DB_LIB) ]) dnl dnl KRB5_AC_PRIOCNTL_HACK dnl dnl AC_DEFUN([KRB5_AC_PRIOCNTL_HACK], [AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([AC_LANG_COMPILER_REQUIRE])dnl AC_CACHE_CHECK([whether to use priocntl hack], [krb5_cv_priocntl_hack], [case $krb5_cv_host in *-*-solaris2.9*) if test "$cross_compiling" = yes; then krb5_cv_priocntl_hack=yes else # Solaris patch 117171-11 (sparc) or 117172-11 (x86) # fixes the Solaris 9 bug where final pty output # gets lost on close. if showrev -p | $AWK 'BEGIN { e = 1 } /Patch: 11717[[12]]/ { x = index[]([$]2, "-"); if (substr[]([$]2, x + 1, length([$]2) - x) >= 11) { e = 0 } else { e = 1 } } END { exit e; }'; then krb5_cv_priocntl_hack=no else krb5_cv_priocntl_hack=yes fi fi ;; *) krb5_cv_priocntl_hack=no ;; esac]) if test "$krb5_cv_priocntl_hack" = yes; then PRIOCNTL_HACK=1 else PRIOCNTL_HACK=0 fi AC_SUBST(PRIOCNTL_HACK)]) dnl dnl dnl KRB5_AC_GCC_ATTRS AC_DEFUN([KRB5_AC_GCC_ATTRS], [AC_CACHE_CHECK([for constructor/destructor attribute support],krb5_cv_attr_constructor_destructor, [rm -f conftest.1 conftest.2 if test -r conftest.1 || test -r conftest.2 ; then AC_MSG_ERROR(write error in local file system?) fi true > conftest.1 true > conftest.2 if test -r conftest.1 && test -r conftest.2 ; then true ; else AC_MSG_ERROR(write error in local file system?) fi a=no b=no # blindly assume we have 'unlink'... AC_TRY_RUN([void foo1() __attribute__((constructor)); void foo1() { unlink("conftest.1"); } void foo2() __attribute__((destructor)); void foo2() { unlink("conftest.2"); } int main () { return 0; }], [test -r conftest.1 || a=yes test -r conftest.2 || b=yes], , AC_MSG_ERROR(Cannot test for constructor/destructor support when cross compiling)) case $krb5_cv_host in *-*-aix4.*) # Under AIX 4.3.3, at least, shared library destructor functions # appear to get executed in reverse link order (right to left), # so that a library's destructor function may run after that of # libraries it depends on, and may still have to access in the # destructor. # # That counts as "not working", for me, but it's a much more # complicated test case to set up. b=no ;; esac krb5_cv_attr_constructor_destructor="$a,$b" ]) # Okay, krb5_cv_... should be set now. case $krb5_cv_attr_constructor_destructor in yes,*) AC_DEFINE(CONSTRUCTOR_ATTR_WORKS,1,[Define if __attribute__((constructor)) works]) ;; esac case $krb5_cv_attr_constructor_destructor in *,yes) AC_DEFINE(DESTRUCTOR_ATTR_WORKS,1,[Define if __attribute__((destructor)) works]) ;; esac dnl End of attributes we care about right now. ]) dnl dnl dnl KRB5_AC_PRAGMA_WEAK_REF AC_DEFUN([KRB5_AC_PRAGMA_WEAK_REF], [AC_CACHE_CHECK([whether pragma weak references are supported], krb5_cv_pragma_weak_ref, [AC_TRY_LINK([#pragma weak flurbl extern int flurbl(void);],[if (&flurbl != 0) return flurbl();], krb5_cv_pragma_weak_ref=yes,krb5_cv_pragma_weak_ref=no)]) if test $krb5_cv_pragma_weak_ref = yes ; then AC_DEFINE(HAVE_PRAGMA_WEAK_REF,1,[Define if #pragma weak references work]) fi]) dnl dnl m4_include(config/ac-archive/acx_pthread.m4) m4_include(config/ac-archive/relpaths.m4) dnl dnl dnl dnl --with-ldap=value dnl AC_DEFUN(WITH_LDAP,[ AC_ARG_WITH([ldap], [ --with-ldap compile OpenLDAP database backend module], [case "$withval" in OPENLDAP) with_ldap=yes ;; yes | no) ;; *) AC_MSG_ERROR(Invalid option value --with-ldap="$withval") ;; esac], with_ldap=no)dnl if test $with_ldap = yes; then if test $with_edirectory = yes; then AC_MSG_ERROR(Cannot enable both OpenLDAP and eDirectory backends; choose one.) fi AC_MSG_NOTICE(enabling OpenLDAP database backend module support) OPENLDAP_PLUGIN=yes fi ])dnl dnl dnl If libkeyutils exists (on Linux) include it and use keyring ccache AC_DEFUN(KRB5_AC_KEYRING_CCACHE,[ AC_CHECK_HEADERS([keyutils.h], AC_CHECK_LIB(keyutils, add_key, [dnl Pre-reqs were found AC_DEFINE(USE_KEYRING_CCACHE, 1, [Define if the keyring ccache should be enabled]) LIBS="-lkeyutils $LIBS" ])) ])dnl dnl