dnl OpenLDAP Autoconf Macros dnl $OpenLDAP$ dnl This work is part of OpenLDAP Software . dnl dnl Copyright 1998-2021 The OpenLDAP Foundation. dnl All rights reserved. dnl dnl Redistribution and use in source and binary forms, with or without dnl modification, are permitted only as authorized by the OpenLDAP dnl Public License. dnl dnl A copy of this license is available in the file LICENSE in the dnl top-level directory of the distribution or, alternatively, at dnl . dnl dnl -------------------------------------------------------------------- dnl Restricted form of AC_ARG_ENABLE that limits user options dnl dnl $1 = option name dnl $2 = help-string dnl $3 = default value (auto). "--" means do not set it by default dnl $4 = allowed values (auto yes no) dnl $5 = overridden default AC_DEFUN([OL_ARG_ENABLE], [# OpenLDAP --enable-$1 pushdef([ol_DefVal],ifelse($3,,auto,$3)) AC_ARG_ENABLE($1,ifelse($4,,[$2],[$2] translit([$4],[ ],[|])) ifelse($3,--,,@<:@ol_DefVal@:>@),[ ol_arg=invalid for ol_val in ifelse($4,,[auto yes no],[$4]) ; do if test "$enableval" = "$ol_val" ; then ol_arg="$ol_val" fi done if test "$ol_arg" = "invalid" ; then AC_MSG_ERROR(bad value $enableval for --enable-$1) fi ol_enable_$1="$ol_arg" ]ifelse($3,--,,[, [ ol_enable_$1=ifelse($5,,ol_DefVal,[${]$5[:-]ol_DefVal[}])]]))dnl dnl AC_MSG_RESULT([OpenLDAP -enable-$1 $ol_enable_$1]) popdef([ol_DefVal]) # end --enable-$1 ])dnl dnl dnl -------------------------------------------------------------------- dnl Restricted form of AC_ARG_WITH that limits user options dnl dnl $1 = option name dnl $2 = help-string dnl $3 = default value (no) dnl $4 = allowed values (yes or no) AC_DEFUN([OL_ARG_WITH], [# OpenLDAP --with-$1 AC_ARG_WITH($1,[$2 @<:@]ifelse($3,,yes,$3)@:>@,[ ol_arg=invalid for ol_val in ifelse($4,,[yes no],[$4]) ; do if test "$withval" = "$ol_val" ; then ol_arg="$ol_val" fi done if test "$ol_arg" = "invalid" ; then AC_MSG_ERROR(bad value $withval for --with-$1) fi ol_with_$1="$ol_arg" ], [ ol_with_$1=ifelse($3,,"no","$3")])dnl dnl AC_MSG_RESULT([OpenLDAP --with-$1 $ol_with_$1]) # end --with-$1 ])dnl dnl ==================================================================== dnl Check for dependency generation flag AC_DEFUN([OL_MKDEPEND], [# test for make depend flag OL_MKDEP= OL_MKDEP_FLAGS= if test -z "${MKDEP}"; then OL_MKDEP="${CC-cc}" if test -z "${MKDEP_FLAGS}"; then AC_CACHE_CHECK([for ${OL_MKDEP} depend flag], ol_cv_mkdep, [ ol_cv_mkdep=no for flag in "-M" "-xM"; do cat > conftest.c </dev/null 2>&1 then if test ! -f conftest."${ac_object}" ; then ol_cv_mkdep=$flag OL_MKDEP_FLAGS="$flag" break fi fi done rm -f conftest* ]) test "$ol_cv_mkdep" = no && OL_MKDEP=":" else cc_cv_mkdep=yes OL_MKDEP_FLAGS="${MKDEP_FLAGS}" fi else cc_cv_mkdep=yes OL_MKDEP="${MKDEP}" OL_MKDEP_FLAGS="${MKDEP_FLAGS}" fi AC_SUBST(OL_MKDEP) AC_SUBST(OL_MKDEP_FLAGS) ]) dnl dnl ==================================================================== dnl Check if system uses EBCDIC instead of ASCII AC_DEFUN([OL_CPP_EBCDIC], [# test for EBCDIC AC_CACHE_CHECK([for EBCDIC],ol_cv_cpp_ebcdic,[ AC_PREPROC_IFELSE([AC_LANG_SOURCE([[ #if !('M' == 0xd4) #include <__ASCII__/generate_error.h> #endif ]])],[ol_cv_cpp_ebcdic=yes],[ol_cv_cpp_ebcdic=no])]) if test $ol_cv_cpp_ebcdic = yes ; then AC_DEFINE(HAVE_EBCDIC,1, [define if system uses EBCDIC instead of ASCII]) fi ]) dnl dnl -------------------------------------------------------------------- dnl Check for MSVC AC_DEFUN([OL_MSVC], [AC_REQUIRE_CPP()dnl AC_CACHE_CHECK([whether we are using MS Visual C++], ol_cv_msvc, [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[ #ifndef _MSC_VER #include <__FOO__/generate_error.h> #endif ]])],[ol_cv_msvc=yes],[ol_cv_msvc=no])])]) dnl -------------------------------------------------------------------- dnl OpenLDAP version of STDC header check w/ EBCDIC support AC_DEFUN([OL_HEADER_STDC], [AC_REQUIRE_CPP()dnl AC_REQUIRE([OL_CPP_EBCDIC])dnl AC_CACHE_CHECK([for ANSI C header files], ol_cv_header_stdc, [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include #include #include #include ]])],[ol_cv_header_stdc=yes],[ol_cv_header_stdc=no]) if test $ol_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. AC_EGREP_HEADER(memchr, string.h, , ol_cv_header_stdc=no) fi if test $ol_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. AC_EGREP_HEADER(free, stdlib.h, , ol_cv_header_stdc=no) fi if test $ol_cv_header_stdc = yes; then # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. AC_RUN_IFELSE([AC_LANG_SOURCE([[#include #ifndef HAVE_EBCDIC # define ISLOWER(c) ('a' <= (c) && (c) <= 'z') # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) #else # define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \ || ('j' <= (c) && (c) <= 'r') \ || ('s' <= (c) && (c) <= 'z')) # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) #endif #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); exit (0); } ]])],[],[ol_cv_header_stdc=no],[:]) fi]) if test $ol_cv_header_stdc = yes; then AC_DEFINE(STDC_HEADERS) fi ac_cv_header_stdc=disable ]) dnl dnl ==================================================================== dnl DNS resolver macros AC_DEFUN([OL_RESOLVER_TRY], [if test $ol_cv_lib_resolver = no ; then AC_CACHE_CHECK([for resolver link (]ifelse($2,,default,$2)[)],[$1], [ ol_RESOLVER_LIB=ifelse($2,,,$2) ol_LIBS=$LIBS LIBS="$ol_RESOLVER_LIB $LIBS" AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #ifdef HAVE_SYS_TYPES_H # include #endif #include #ifdef HAVE_ARPA_NAMESER_H # include #endif #ifdef HAVE_RESOLV_H # include #endif ]], [[{ int len, status; char *request = NULL; unsigned char reply[64*1024]; unsigned char host[64*1024]; unsigned char *p; #ifdef NS_HFIXEDSZ /* Bind 8/9 interface */ len = res_query(request, ns_c_in, ns_t_srv, reply, sizeof(reply)); #else /* Bind 4 interface */ # ifndef T_SRV # define T_SRV 33 # endif len = res_query(request, C_IN, T_SRV, reply, sizeof(reply)); #endif p = reply; #ifdef NS_HFIXEDSZ /* Bind 8/9 interface */ p += NS_HFIXEDSZ; #elif defined(HFIXEDSZ) /* Bind 4 interface w/ HFIXEDSZ */ p += HFIXEDSZ; #else /* Bind 4 interface w/o HFIXEDSZ */ p += sizeof(HEADER); #endif status = dn_expand( reply, reply+len, p, host, sizeof(host)); }]])],[$1=yes],[$1=no]) LIBS="$ol_LIBS" ]) if test $$1 = yes ; then ol_cv_lib_resolver=ifelse($2,,yes,$2) fi fi ]) dnl -------------------------------------------------------------------- dnl Try to locate appropriate library AC_DEFUN([OL_RESOLVER_LINK], [ol_cv_lib_resolver=no OL_RESOLVER_TRY(ol_cv_resolver_none) OL_RESOLVER_TRY(ol_cv_resolver_resolv,[-lresolv]) OL_RESOLVER_TRY(ol_cv_resolver_bind,[-lbind]) ]) dnl dnl ==================================================================== dnl Check POSIX Thread version dnl dnl defines ol_cv_pthread_version to 4, 5, 6, 7, 8, 10, depending on the dnl version of the POSIX.4a Draft that is implemented. dnl 10 == POSIX.4a Final == POSIX.1c-1996 for our purposes. dnl Existence of pthread.h should be tested separately. dnl dnl tests: dnl pthread_detach() was dropped in Draft 8, it is present dnl in every other version dnl PTHREAD_CREATE_UNDETACHED is only in Draft 7, it was called dnl PTHREAD_CREATE_JOINABLE after that dnl pthread_attr_create was renamed to pthread_attr_init in Draft 6. dnl Draft 6-10 has _init, Draft 4-5 has _create. dnl pthread_attr_default was dropped in Draft 6, only 4 and 5 have it dnl PTHREAD_MUTEX_INITIALIZER was introduced in Draft 5. It's not dnl interesting to us because we don't try to statically dnl initialize mutexes. 5-10 has it. dnl dnl Draft 9 and 10 are equivalent for our purposes. dnl AC_DEFUN([OL_POSIX_THREAD_VERSION], [AC_CACHE_CHECK([POSIX thread version],[ol_cv_pthread_version],[ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ # include ]], [[ int i = PTHREAD_CREATE_JOINABLE; ]])],[ AC_EGREP_HEADER(pthread_detach,pthread.h, ol_cv_pthread_version=10, ol_cv_pthread_version=8)],[ AC_EGREP_CPP(draft7,[ # include # ifdef PTHREAD_CREATE_UNDETACHED draft7 # endif ], ol_cv_pthread_version=7, [ AC_EGREP_HEADER(pthread_attr_init,pthread.h, ol_cv_pthread_version=6, [ AC_EGREP_CPP(draft5,[ # include #ifdef PTHREAD_MUTEX_INITIALIZER draft5 #endif ], ol_cv_pthread_version=5, ol_cv_pthread_version=4) ]) ]) ]) ]) ])dnl dnl dnl -------------------------------------------------------------------- AC_DEFUN([OL_PTHREAD_TEST_INCLUDES], [[ /* pthread test headers */ #include #if HAVE_PTHREADS < 7 #include #endif #ifndef NULL #define NULL (void*)0 #endif static void *task(p) void *p; { return (void *) (p == NULL); } ]]) AC_DEFUN([OL_PTHREAD_TEST_FUNCTION],[[ /* pthread test function */ #ifndef PTHREAD_CREATE_DETACHED #define PTHREAD_CREATE_DETACHED 1 #endif pthread_t t; int status; int detach = PTHREAD_CREATE_DETACHED; #if HAVE_PTHREADS > 4 /* Final pthreads */ pthread_attr_t attr; status = pthread_attr_init(&attr); if( status ) return status; #if HAVE_PTHREADS < 7 status = pthread_attr_setdetachstate(&attr, &detach); if( status < 0 ) status = errno; #else status = pthread_attr_setdetachstate(&attr, detach); #endif if( status ) return status; status = pthread_create( &t, &attr, task, NULL ); #if HAVE_PTHREADS < 7 if( status < 0 ) status = errno; #endif if( status ) return status; #else /* Draft 4 pthreads */ status = pthread_create( &t, pthread_attr_default, task, NULL ); if( status ) return errno; /* give thread a chance to complete */ /* it should remain joinable and hence detachable */ sleep( 1 ); status = pthread_detach( &t ); if( status ) return errno; #endif #ifdef HAVE_LINUX_THREADS pthread_kill_other_threads_np(); #endif return 0; ]]) AC_DEFUN([OL_PTHREAD_TEST_PROGRAM], [AC_LANG_SOURCE([OL_PTHREAD_TEST_INCLUDES int main(argc, argv) int argc; char **argv; { OL_PTHREAD_TEST_FUNCTION } ])]) dnl -------------------------------------------------------------------- AC_DEFUN([OL_PTHREAD_TRY], [# Pthread try link: $1 ($2) if test "$ol_link_threads" = no ; then # try $1 AC_CACHE_CHECK([for pthread link with $1], [$2], [ # save the flags ol_LIBS="$LIBS" LIBS="$1 $LIBS" AC_RUN_IFELSE([OL_PTHREAD_TEST_PROGRAM], [$2=yes], [$2=no], [AC_LINK_IFELSE([AC_LANG_PROGRAM(OL_PTHREAD_TEST_INCLUDES, OL_PTHREAD_TEST_FUNCTION)], [$2=yes], [$2=no])]) # restore the LIBS LIBS="$ol_LIBS" ]) if test $$2 = yes ; then ol_link_pthreads="$1" ol_link_threads=posix fi fi ]) dnl dnl ==================================================================== dnl Check GNU Pth pthread Header dnl dnl defines ol_cv_header linux_threads to 'yes' or 'no' dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h dnl doesn't exist. Existence of pthread.h should separately dnl checked. dnl AC_DEFUN([OL_HEADER_GNU_PTH_PTHREAD_H], [ AC_CACHE_CHECK([for GNU Pth pthread.h], [ol_cv_header_gnu_pth_pthread_h], [AC_EGREP_CPP(__gnu_pth__, [#include #ifdef _POSIX_THREAD_IS_GNU_PTH __gnu_pth__; #endif ], [ol_cv_header_gnu_pth_pthread_h=yes], [ol_cv_header_gnu_pth_pthread_h=no]) ]) ])dnl dnl ==================================================================== dnl Check for NT Threads AC_DEFUN([OL_NT_THREADS], [ AC_CHECK_FUNC(_beginthread) if test $ac_cv_func__beginthread = yes ; then AC_DEFINE(HAVE_NT_THREADS,1,[if you have NT Threads]) ol_cv_nt_threads=yes fi ]) dnl ==================================================================== dnl Check LinuxThreads Header dnl dnl defines ol_cv_header linux_threads to 'yes' or 'no' dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h dnl doesn't exist. Existence of pthread.h should separately dnl checked. dnl AC_DEFUN([OL_HEADER_LINUX_THREADS], [ AC_CACHE_CHECK([for LinuxThreads pthread.h], [ol_cv_header_linux_threads], [AC_EGREP_CPP(pthread_kill_other_threads_np, [#include ], [ol_cv_header_linux_threads=yes], [ol_cv_header_linux_threads=no]) ]) if test $ol_cv_header_linux_threads = yes; then AC_DEFINE(HAVE_LINUX_THREADS,1,[if you have LinuxThreads]) fi ])dnl dnl -------------------------------------------------------------------- dnl Check LinuxThreads Implementation dnl dnl defines ol_cv_sys_linux_threads to 'yes' or 'no' dnl 'no' implies pthreads implementation is not LinuxThreads. dnl AC_DEFUN([OL_SYS_LINUX_THREADS], [ AC_CHECK_FUNCS(pthread_kill_other_threads_np) AC_CACHE_CHECK([for LinuxThreads implementation], [ol_cv_sys_linux_threads], [ol_cv_sys_linux_threads=$ac_cv_func_pthread_kill_other_threads_np]) ])dnl dnl dnl -------------------------------------------------------------------- dnl Check LinuxThreads consistency AC_DEFUN([OL_LINUX_THREADS], [ AC_REQUIRE([OL_HEADER_LINUX_THREADS]) AC_REQUIRE([OL_SYS_LINUX_THREADS]) AC_CACHE_CHECK([for LinuxThreads consistency], [ol_cv_linux_threads], [ if test $ol_cv_header_linux_threads = yes && test $ol_cv_sys_linux_threads = yes; then ol_cv_linux_threads=yes elif test $ol_cv_header_linux_threads = no && test $ol_cv_sys_linux_threads = no; then ol_cv_linux_threads=no else ol_cv_linux_threads=error fi ]) ])dnl dnl dnl ==================================================================== dnl Check for POSIX Regex AC_DEFUN([OL_POSIX_REGEX], [ AC_CACHE_CHECK([for compatible POSIX regex],ol_cv_c_posix_regex,[ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include static char *pattern, *string; main() { int rc; regex_t re; pattern = "^A"; if(regcomp(&re, pattern, 0)) { return -1; } string = "ALL MATCH"; rc = regexec(&re, string, 0, (void*)0, 0); regfree(&re); return rc; }]])],[ol_cv_c_posix_regex=yes],[ol_cv_c_posix_regex=no],[ol_cv_c_posix_regex=cross])]) ]) dnl dnl ==================================================================== dnl Check if toupper() requires islower() to be called first AC_DEFUN([OL_C_UPPER_LOWER], [AC_CACHE_CHECK([if toupper() requires islower()],ol_cv_c_upper_lower,[ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include main() { if ('C' == toupper('C')) exit(0); else exit(1); }]])],[ol_cv_c_upper_lower=no],[ol_cv_c_upper_lower=yes],[ol_cv_c_upper_lower=safe])]) if test $ol_cv_c_upper_lower != no ; then AC_DEFINE(C_UPPER_LOWER,1, [define if toupper() requires islower()]) fi ]) dnl dnl ==================================================================== dnl Error string checks dnl dnl Check for declaration of sys_errlist in one of stdio.h and errno.h. dnl Declaration of sys_errlist on BSD4.4 interferes with our declaration. dnl Reported by Keith Bostic. AC_DEFUN([OL_SYS_ERRLIST], [AC_CACHE_CHECK([existence of sys_errlist],ol_cv_have_sys_errlist,[ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[char *c = (char *) *sys_errlist]])],[ol_cv_have_sys_errlist=yes],[ol_cv_have_sys_errlist=no])]) if test $ol_cv_have_sys_errlist = yes ; then AC_DEFINE(HAVE_SYS_ERRLIST,1, [define if you actually have sys_errlist in your libs]) AC_CACHE_CHECK([declaration of sys_errlist],ol_cv_dcl_sys_errlist,[ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include #include #ifdef _WIN32 #include #endif ]], [[char *c = (char *) *sys_errlist]])],[ol_cv_dcl_sys_errlist=yes], [ol_cv_dcl_sys_errlist=no])]) # # It's possible (for near-UNIX clones) that sys_errlist doesn't exist if test $ol_cv_dcl_sys_errlist = no ; then AC_DEFINE(DECL_SYS_ERRLIST,1, [define if sys_errlist is not declared in stdio.h or errno.h]) fi fi ])dnl dnl dnl ==================================================================== dnl glibc supplies a non-standard strerror_r if _GNU_SOURCE is defined. dnl It's actually preferable to the POSIX version, if available. AC_DEFUN([OL_NONPOSIX_STRERROR_R], [AC_CACHE_CHECK([non-posix strerror_r],ol_cv_nonposix_strerror_r,[ AC_EGREP_CPP(strerror_r,[#include ], ol_decl_strerror_r=yes, ol_decl_strerror_r=no)dnl if test $ol_decl_strerror_r = yes ; then AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ /* from autoconf 2.59 */ char buf[100]; char x = *strerror_r (0, buf, sizeof buf); char *p = strerror_r (0, buf, sizeof buf); ]])],[ol_cv_nonposix_strerror_r=yes],[ol_cv_nonposix_strerror_r=no]) else AC_RUN_IFELSE([AC_LANG_SOURCE([[ main() { char buf[100]; buf[0] = 0; strerror_r( 1, buf, sizeof buf ); exit( buf[0] == 0 ); } ]])],[ol_cv_nonposix_strerror_r=yes],[ol_cv_nonposix_strerror_r=no],[ol_cv_nonposix_strerror_r=no]) fi ]) if test $ol_cv_nonposix_strerror_r = yes ; then AC_DEFINE(HAVE_NONPOSIX_STRERROR_R,1, [define if strerror_r returns char* instead of int]) fi ])dnl dnl AC_DEFUN([OL_STRERROR], [AC_CHECK_FUNCS(strerror strerror_r) ol_cv_func_strerror_r=no if test "${ac_cv_func_strerror_r}" = yes ; then OL_NONPOSIX_STRERROR_R elif test "${ac_cv_func_strerror}" = no ; then OL_SYS_ERRLIST fi ])dnl dnl ==================================================================== dnl Early MIPS compilers (used in Ultrix 4.2) don't like dnl "int x; int *volatile a = &x; *a = 0;" dnl -- borrowed from PDKSH AC_DEFUN([OL_C_VOLATILE], [AC_CACHE_CHECK(if compiler understands volatile, ol_cv_c_volatile, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int x, y, z;]], [[volatile int a; int * volatile b = x ? &y : &z; /* Older MIPS compilers (eg., in Ultrix 4.2) don't like *b = 0 */ *b = 0;]])],[ol_cv_c_volatile=yes],[ol_cv_c_volatile=no])]) if test $ol_cv_c_volatile = yes; then : else AC_DEFINE(volatile,,[define as empty if volatile is not supported]) fi ])dnl dnl dnl ==================================================================== dnl Look for fetch(3) AC_DEFUN([OL_LIB_FETCH], [ol_LIBS=$LIBS LIBS="-lfetch -lcom_err $LIBS" AC_CACHE_CHECK([fetch(3) library],ol_cv_lib_fetch,[ AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #ifdef HAVE_SYS_PARAM_H #include #endif #include #include ]], [[struct url *u = fetchParseURL("file:///"); ]])],[ol_cv_lib_fetch=yes],[ol_cv_lib_fetch=no])]) LIBS=$ol_LIBS if test $ol_cv_lib_fetch != no ; then ol_link_fetch="-lfetch -lcom_err" AC_DEFINE(HAVE_FETCH,1, [define if you actually have FreeBSD fetch(3)]) fi ])dnl dnl dnl ==================================================================== dnl Define inet_aton is available AC_DEFUN([OL_FUNC_INET_ATON], [AC_CACHE_CHECK([for inet_aton()], ol_cv_func_inet_aton, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_SYS_SOCKET_H # include # ifdef HAVE_SYS_SELECT_H # include # endif # include # ifdef HAVE_ARPA_INET_H # include # endif #endif ]], [[struct in_addr in; int rc = inet_aton( "255.255.255.255", &in );]])],[ol_cv_func_inet_aton=yes],[ol_cv_func_inet_aton=no])]) if test $ol_cv_func_inet_aton != no; then AC_DEFINE(HAVE_INET_ATON, 1, [define to you inet_aton(3) is available]) fi ])dnl dnl dnl ==================================================================== dnl check no of arguments for ctime_r AC_DEFUN([OL_FUNC_CTIME_R_NARGS], [AC_CACHE_CHECK(number of arguments of ctime_r, ol_cv_func_ctime_r_nargs, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[time_t ti; char *buffer; ctime_r(&ti,buffer,32);]])],[ol_cv_func_ctime_r_nargs3=yes],[ol_cv_func_ctime_r_nargs3=no]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[time_t ti; char *buffer; ctime_r(&ti,buffer);]])],[ol_cv_func_ctime_r_nargs2=yes],[ol_cv_func_ctime_r_nargs2=no]) if test $ol_cv_func_ctime_r_nargs3 = yes && test $ol_cv_func_ctime_r_nargs2 = no ; then ol_cv_func_ctime_r_nargs=3 elif test $ol_cv_func_ctime_r_nargs3 = no && test $ol_cv_func_ctime_r_nargs2 = yes ; then ol_cv_func_ctime_r_nargs=2 else ol_cv_func_ctime_r_nargs=0 fi ]) if test $ol_cv_func_ctime_r_nargs -gt 1 ; then AC_DEFINE_UNQUOTED(CTIME_R_NARGS, $ol_cv_func_ctime_r_nargs, [set to the number of arguments ctime_r() expects]) fi ])dnl dnl dnl -------------------------------------------------------------------- dnl check return type of ctime_r() AC_DEFUN([OL_FUNC_CTIME_R_TYPE], [AC_CACHE_CHECK(return type of ctime_r, ol_cv_func_ctime_r_type, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[extern int (ctime_r)();]])],[ol_cv_func_ctime_r_type="int"],[ol_cv_func_ctime_r_type="charp"]) ]) if test $ol_cv_func_ctime_r_type = "int" ; then AC_DEFINE(CTIME_R_RETURNS_INT,1, [define if ctime_r() returns int]) fi ])dnl dnl ==================================================================== dnl check no of arguments for gethostbyname_r AC_DEFUN([OL_FUNC_GETHOSTBYNAME_R_NARGS], [AC_CACHE_CHECK(number of arguments of gethostbyname_r, ol_cv_func_gethostbyname_r_nargs, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include #include #include #define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent; char buffer[BUFSIZE]; int bufsize=BUFSIZE;int h_errno; (void)gethostbyname_r("segovia.cs.purdue.edu", &hent, buffer, bufsize, &h_errno);]])],[ol_cv_func_gethostbyname_r_nargs5=yes],[ol_cv_func_gethostbyname_r_nargs5=no]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include #include #include #define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent;struct hostent *rhent; char buffer[BUFSIZE]; int bufsize=BUFSIZE;int h_errno; (void)gethostbyname_r("localhost", &hent, buffer, bufsize, &rhent, &h_errno);]])],[ol_cv_func_gethostbyname_r_nargs6=yes],[ol_cv_func_gethostbyname_r_nargs6=no]) if test $ol_cv_func_gethostbyname_r_nargs5 = yes && test $ol_cv_func_gethostbyname_r_nargs6 = no ; then ol_cv_func_gethostbyname_r_nargs=5 elif test $ol_cv_func_gethostbyname_r_nargs5 = no && test $ol_cv_func_gethostbyname_r_nargs6 = yes ; then ol_cv_func_gethostbyname_r_nargs=6 else ol_cv_func_gethostbyname_r_nargs=0 fi ]) if test $ol_cv_func_gethostbyname_r_nargs -gt 1 ; then AC_DEFINE_UNQUOTED(GETHOSTBYNAME_R_NARGS, $ol_cv_func_gethostbyname_r_nargs, [set to the number of arguments gethostbyname_r() expects]) fi ])dnl dnl dnl check no of arguments for gethostbyaddr_r AC_DEFUN([OL_FUNC_GETHOSTBYADDR_R_NARGS], [AC_CACHE_CHECK(number of arguments of gethostbyaddr_r, [ol_cv_func_gethostbyaddr_r_nargs], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include #include #include #define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent; char buffer[BUFSIZE]; struct in_addr add; size_t alen=sizeof(struct in_addr); int bufsize=BUFSIZE;int h_errno; (void)gethostbyaddr_r( (void *)&(add.s_addr), alen, AF_INET, &hent, buffer, bufsize, &h_errno);]])],[ol_cv_func_gethostbyaddr_r_nargs7=yes],[ol_cv_func_gethostbyaddr_r_nargs7=no]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include #include #include #define BUFSIZE (sizeof(struct hostent)+10)]], [[struct hostent hent; struct hostent *rhent; char buffer[BUFSIZE]; struct in_addr add; size_t alen=sizeof(struct in_addr); int bufsize=BUFSIZE;int h_errno; (void)gethostbyaddr_r( (void *)&(add.s_addr), alen, AF_INET, &hent, buffer, bufsize, &rhent, &h_errno);]])],[ol_cv_func_gethostbyaddr_r_nargs8=yes],[ol_cv_func_gethostbyaddr_r_nargs8=no]) if test $ol_cv_func_gethostbyaddr_r_nargs7 = yes && test $ol_cv_func_gethostbyaddr_r_nargs8 = no ; then ol_cv_func_gethostbyaddr_r_nargs=7 elif test $ol_cv_func_gethostbyaddr_r_nargs7 = no && test $ol_cv_func_gethostbyaddr_r_nargs8 = yes ; then ol_cv_func_gethostbyaddr_r_nargs=8 else ol_cv_func_gethostbyaddr_r_nargs=0 fi ]) if test $ol_cv_func_gethostbyaddr_r_nargs -gt 1 ; then AC_DEFINE_UNQUOTED(GETHOSTBYADDR_R_NARGS, $ol_cv_func_gethostbyaddr_r_nargs, [set to the number of arguments gethostbyaddr_r() expects]) fi ])dnl dnl dnl -------------------------------------------------------------------- dnl Check for Cyrus SASL version compatibility AC_DEFUN([OL_SASL_COMPAT], [AC_CACHE_CHECK([Cyrus SASL library version], [ol_cv_sasl_compat],[ AC_EGREP_CPP(__sasl_compat,[ #ifdef HAVE_SASL_SASL_H #include #else #include #endif /* Require 2.1.15+ */ #if SASL_VERSION_MAJOR == 2 && SASL_VERSION_MINOR > 1 char *__sasl_compat = "2.2+ or better okay (we guess)"; #elif SASL_VERSION_MAJOR == 2 && SASL_VERSION_MINOR == 1 \ && SASL_VERSION_STEP >=15 char *__sasl_compat = "2.1.15+ or better okay"; #endif ], [ol_cv_sasl_compat=yes], [ol_cv_sasl_compat=no])]) ])