dnl $OpenLDAP$ dnl dnl Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved. dnl COPYING RESTRICTIONS APPLY, See COPYRIGHT file dnl dnl OpenLDAP Autoconf Macros 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) dnl $4 = allowed values (auto yes no) AC_DEFUN([OL_ARG_ENABLE], [# OpenLDAP --enable-$1 AC_ARG_ENABLE($1,changequote(<,>)<$2 [>ifelse($3,,auto,$3)<]>changequote([,]),[ 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" ], [ ol_enable_$1=ifelse($3,,"auto","$3")])dnl dnl AC_VERBOSE(OpenLDAP -enable-$1 $ol_enable_$1) # 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,changequote(<,>)<$2 [>ifelse($3,,yes,$3)<]>changequote([,]),[ 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_VERBOSE(OpenLDAP --with-$1 $ol_with_$1) # end --with-$1 ])dnl dnl dnl ==================================================================== dnl AC_DEFUN(AC_COMPILE_CHECK_SIZEOF, [changequote(<<, >>)dnl dnl The name to #define. define(<>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl dnl The cache variable name. define(<>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl changequote([, ])dnl AC_MSG_CHECKING(size of $1) AC_CACHE_VAL(AC_CV_NAME, [for ac_size in 4 8 1 2 16 $2 ; do # List sizes in rough order of prevalence. AC_TRY_COMPILE([#include "confdefs.h" #include $2 ], [switch (0) case 0: case (sizeof ($1) == $ac_size):;], AC_CV_NAME=$ac_size) if test x$AC_CV_NAME != x ; then break; fi done ]) if test x$AC_CV_NAME = x ; then AC_MSG_ERROR([cannot determine a size for $1]) fi AC_MSG_RESULT($AC_CV_NAME) AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The number of bytes in type $1]) undefine([AC_TYPE_NAME])dnl undefine([AC_CV_NAME])dnl ]) dnl ==================================================================== dnl check if hard links are supported. dnl AC_DEFUN([OL_PROG_LN_H], [# test for ln hardlink support AC_MSG_CHECKING(whether ln works) AC_CACHE_VAL(ol_cv_prog_LN_H, [rm -f conftest.src conftest.dst echo "conftest" > conftest.src if ln conftest.src conftest.dst 2>/dev/null then ol_cv_prog_LN_H="ln" else ol_cv_prog_LN_H="cp" fi rm -f conftest.src conftest.dst ])dnl LN_H="$ol_cv_prog_LN_H" if test "$ol_cv_prog_LN_H" = "ln"; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi AC_SUBST(LN_H)dnl ])dnl dnl dnl ==================================================================== dnl Check for dependency generation flag AC_DEFUN([OL_MKDEPEND], [# test for make depend flag OL_MKDEP= OL_MKDEP_FLAGS= if test -z "${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* ]) 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_TRY_CPP([ #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 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_TRY_CPP([#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_TRY_RUN([#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 Check if struct passwd has pw_gecos AC_DEFUN([OL_STRUCT_PASSWD_PW_GECOS], [# test for pw_gecos in struct passwd AC_CACHE_CHECK([struct passwd for pw_gecos],ol_cv_struct_passwd_pw_gecos,[ AC_TRY_COMPILE([#include ],[ struct passwd pwd; pwd.pw_gecos = pwd.pw_name; ], [ol_cv_struct_passwd_pw_gecos=yes], [ol_cv_struct_passwd_pw_gecos=no])]) if test $ol_cv_struct_passwd_pw_gecos = yes ; then AC_DEFINE(HAVE_PW_GECOS,1, [define if struct passwd has pw_gecos]) fi ]) dnl dnl -------------------------------------------------------------------- dnl Check if struct passwd has pw_passwd AC_DEFUN([OL_STRUCT_PASSWD_PW_PASSWD], [# test for pw_passwd in struct passwd AC_CACHE_CHECK([struct passwd for pw_passwd],ol_cv_struct_passwd_pw_passwd,[ AC_TRY_COMPILE([#include ],[ struct passwd pwd; pwd.pw_passwd = pwd.pw_name; ], [ol_cv_struct_passwd_pw_passwd=yes], [ol_cv_struct_passwd_pw_passwd=no])]) if test $ol_cv_struct_passwd_pw_passwd = yes ; then AC_DEFINE(HAVE_PW_PASSWD,1, [define if struct passwd has pw_passwd]) fi ]) dnl dnl ==================================================================== dnl Berkeley DB macros dnl dnl -------------------------------------------------------------------- dnl Try to link AC_DEFUN([OL_BERKELEY_DB_TRY], [if test $ol_cv_lib_db = no ; then AC_CACHE_CHECK([for Berkeley DB link (]ifelse($2,,default,$2)[)],[$1], [ ol_DB_LIB=ifelse($2,,,$2) ol_LIBS=$LIBS LIBS="$ol_DB_LIB $LIBS" AC_TRY_LINK([ #ifdef HAVE_DB_185_H # include #else # include #endif #ifndef DB_VERSION_MAJOR # define DB_VERSION_MAJOR 1 #endif #ifndef NULL #define NULL ((void*)0) #endif ],[ #if DB_VERSION_MAJOR > 2 db_env_create( NULL, 0 ); #elif DB_VERSION_MAJOR > 1 db_appexit( NULL ); #else (void) dbopen( NULL, 0, 0, 0, NULL); #endif ],[$1=yes],[$1=no]) LIBS="$ol_LIBS" ]) if test $$1 = yes ; then ol_cv_lib_db=ifelse($2,,yes,$2) fi fi ]) dnl dnl -------------------------------------------------------------------- dnl Try to locate appropriate library AC_DEFUN([OL_BERKELEY_DB_LINK], [ol_cv_lib_db=no OL_BERKELEY_DB_TRY(ol_cv_db_none) OL_BERKELEY_DB_TRY(ol_cv_db_db,[-ldb]) OL_BERKELEY_DB_TRY(ol_cv_db_db3,[-ldb3]) OL_BERKELEY_DB_TRY(ol_cv_db_db2,[-ldb2]) OL_BERKELEY_DB_TRY(ol_cv_db_db1,[-ldb1]) ]) dnl dnl -------------------------------------------------------------------- dnl Check if Berkeley DB supports DB_THREAD AC_DEFUN([OL_BERKELEY_DB_THREAD], [AC_CACHE_CHECK([for Berkeley DB thread support], [ol_cv_berkeley_db_thread], [ ol_LIBS="$LIBS" if test $ol_cv_lib_db != yes ; then LIBS="$ol_cv_lib_db" fi AC_TRY_RUN([ #ifdef HAVE_DB_185_H choke me; #else #include #endif #ifndef NULL #define NULL ((void *)0) #endif main() { int rc; u_int32_t flags = DB_CREATE | DB_THREAD; #if DB_VERSION_MAJOR > 2 DB_ENV *env = NULL; rc = db_env_create( &env, 0 ); if( rc == 0 ) { #if (DB_VERSION_MAJOR > 3) || (DB_VERSION_MINOR >= 1) rc = env->open( env, NULL, flags, 0 ); #else rc = env->open( env, NULL, NULL, flags, 0 ); #endif } #else DB_ENV env; memset( &env, '\0', sizeof(env) ); rc = db_appinit( NULL, NULL, &env, flags ); if( rc == 0 ) { db_appexit( &env ); } #endif #if DB_VERSION_MAJOR > 2 #if (DB_VERSION_MAJOR > 3) || (DB_VERSION_MINOR >= 1) env->remove( env, NULL, DB_FORCE); #else env->remove( env, NULL, NULL, DB_FORCE); #endif #endif return rc; }], [ol_cv_berkeley_db_thread=yes], [ol_cv_berkeley_db_thread=no], [ol_cv_berkeley_db_thread=cross]) LIBS="$ol_LIBS" if test $ol_cv_berkeley_db_thread != no ; then AC_DEFINE(HAVE_BERKELEY_DB_THREAD, 1, [define if Berkeley DB has DB_THREAD support]) fi ])])dnl dnl dnl -------------------------------------------------------------------- dnl Find any DB AC_DEFUN([OL_BERKELEY_DB], [ol_cv_berkeley_db=no AC_CHECK_HEADERS(db.h) if test $ac_cv_header_db_h = yes; then OL_BERKELEY_DB_LINK if test "$ol_cv_lib_db" != no ; then ol_cv_berkeley_db=yes OL_BERKELEY_DB_THREAD fi fi ]) dnl dnl -------------------------------------------------------------------- dnl Find old Berkeley DB 1.85/1.86 AC_DEFUN([OL_BERKELEY_COMPAT_DB], [ol_cv_berkeley_db=no AC_CHECK_HEADERS(db_185.h db.h) if test $ac_cv_header_db_185_h = yes -o $ac_cv_header_db_h = yes; then AC_CACHE_CHECK([if Berkeley DB header compatibility], [ol_cv_header_db1],[ AC_EGREP_CPP(__db_version_1,[ #if HAVE_DB_185_H # include #else # include #endif /* this check could be improved */ #ifndef DB_VERSION_MAJOR # define DB_VERSION_MAJOR 1 #endif #if DB_VERSION_MAJOR == 1 __db_version_1 #endif ], [ol_cv_header_db1=yes], [ol_cv_header_db1=no])]) if test ol_cv_header_db1=yes ; then OL_BERKELEY_DB_LINK if test "$ol_cv_lib_db" != no ; then ol_cv_berkeley_db=yes fi fi fi ]) dnl dnl ==================================================================== dnl Check if GDBM library exists dnl Check for gdbm_open in standard libraries or -lgdbm dnl dnl defines ol_cv_lib_gdbm to 'yes' or '-lgdbm' or 'no' dnl 'yes' implies gdbm_open is in $LIBS dnl dnl uses: dnl AC_CHECK_FUNC(gdbm_open) dnl AC_CHECK_LIB(gdbm,gdbm_open) dnl AC_DEFUN([OL_LIB_GDBM], [AC_CACHE_CHECK(for GDBM library, [ol_cv_lib_gdbm], [ ol_LIBS="$LIBS" AC_CHECK_FUNC(gdbm_open,[ol_cv_lib_gdbm=yes], [ AC_CHECK_LIB(gdbm,gdbm_open,[ol_cv_lib_gdbm=-lgdbm],[ol_cv_lib_gdbm=no]) ]) LIBS="$ol_LIBS" ]) ])dnl dnl dnl -------------------------------------------------------------------- dnl Check if GDBM exists dnl dnl defines ol_cv_gdbm to 'yes' or 'no' dnl dnl uses: dnl OL_LIB_GDBM dnl AC_CHECK_HEADERS(gdbm.h) dnl AC_DEFUN([OL_GDBM], [AC_REQUIRE([OL_LIB_GDBM]) AC_CHECK_HEADERS(gdbm.h) AC_CACHE_CHECK(for db, [ol_cv_gdbm], [ if test $ol_cv_lib_gdbm = no -o $ac_cv_header_gdbm_h = no ; then ol_cv_gdbm=no else ol_cv_gdbm=yes fi ]) if test $ol_cv_gdbm = yes ; then AC_DEFINE(HAVE_GDBM,1, [define if GNU DBM is available]) fi ])dnl dnl dnl ==================================================================== dnl Check if MDBM library exists dnl Check for mdbm_open in standard libraries or -lmdbm dnl dnl defines ol_cv_lib_mdbm to 'yes' or '-lmdbm' or 'no' dnl 'yes' implies mdbm_open is in $LIBS dnl dnl uses: dnl AC_CHECK_FUNC(mdbm_set_chain) dnl AC_CHECK_LIB(mdbm,mdbm_set_chain) dnl AC_DEFUN([OL_LIB_MDBM], [AC_CACHE_CHECK(for MDBM library, [ol_cv_lib_mdbm], [ ol_LIBS="$LIBS" AC_CHECK_FUNC(mdbm_set_chain,[ol_cv_lib_mdbm=yes], [ AC_CHECK_LIB(mdbm,mdbm_set_chain,[ol_cv_lib_mdbm=-lmdbm],[ol_cv_lib_mdbm=no]) ]) LIBS="$ol_LIBS" ]) ])dnl dnl dnl -------------------------------------------------------------------- dnl Check if MDBM exists dnl dnl defines ol_cv_mdbm to 'yes' or 'no' dnl dnl uses: dnl OL_LIB_MDBM dnl AC_CHECK_HEADERS(mdbm.h) dnl AC_DEFUN([OL_MDBM], [AC_REQUIRE([OL_LIB_MDBM]) AC_CHECK_HEADERS(mdbm.h) AC_CACHE_CHECK(for db, [ol_cv_mdbm], [ if test $ol_cv_lib_mdbm = no -o $ac_cv_header_mdbm_h = no ; then ol_cv_mdbm=no else ol_cv_mdbm=yes fi ]) if test $ol_cv_mdbm = yes ; then AC_DEFINE(HAVE_MDBM,1, [define if MDBM is available]) fi ])dnl dnl dnl ==================================================================== dnl Check if NDBM library exists dnl Check for dbm_open in standard libraries or -lndbm or -ldbm dnl dnl defines ol_cv_lib_ndbm to 'yes' or '-lndbm' or -ldbm or 'no' dnl 'yes' implies ndbm_open is in $LIBS dnl dnl uses: dnl AC_CHECK_FUNC(dbm_open) dnl AC_CHECK_LIB(ndbm,dbm_open) dnl AC_CHECK_LIB(dbm,dbm_open) dnl dnl restrictions: dnl should also check SVR4 case: dbm_open() in -lucb but that dnl would requiring dealing with -L/usr/ucblib dnl AC_DEFUN([OL_LIB_NDBM], [AC_CACHE_CHECK(for NDBM library, [ol_cv_lib_ndbm], [ ol_LIBS="$LIBS" AC_CHECK_FUNC(dbm_open,[ol_cv_lib_ndbm=yes], [ AC_CHECK_LIB(ndbm,dbm_open,[ol_cv_lib_ndbm=-lndbm], [ AC_CHECK_LIB(dbm,dbm_open,[ol_cv_lib_ndbm=-ldbm], [ol_cv_lib_ndbm=no])dnl ]) ]) LIBS="$ol_LIBS" ]) ])dnl dnl dnl -------------------------------------------------------------------- dnl Check if NDBM exists dnl dnl defines ol_cv_ndbm to 'yes' or 'no' dnl dnl uses: dnl OL_LIB_NDBM dnl AC_CHECK_HEADERS(ndbm.h) dnl dnl restrictions: dnl Doesn't handle SVR4 case (see above) dnl AC_DEFUN([OL_NDBM], [AC_REQUIRE([OL_LIB_NDBM]) AC_CHECK_HEADERS(ndbm.h) AC_CACHE_CHECK(for db, [ol_cv_ndbm], [ if test $ol_cv_lib_ndbm = no -o $ac_cv_header_ndbm_h = no ; then ol_cv_ndbm=no else ol_cv_ndbm=yes fi ]) if test $ol_cv_ndbm = yes ; then AC_DEFINE(HAVE_NDBM,1, [define if NDBM is available]) fi ])dnl dnl dnl ==================================================================== dnl Check POSIX Thread version dnl dnl defines ol_cv_posix_version to 'final' or 'draft' or 'unknown' dnl 'unknown' implies that the version could not be detected dnl or that pthreads.h does exist. Existance of pthreads.h dnl should be tested separately. dnl AC_DEFUN([OL_POSIX_THREAD_VERSION], [AC_CACHE_CHECK([POSIX thread version],[ol_cv_pthread_version],[ AC_EGREP_CPP(pthread_version_final,[ # include /* this check could be improved */ # ifdef PTHREAD_ONCE_INIT pthread_version_final; # endif ], ol_pthread_final=yes, ol_pthread_final=no) AC_EGREP_CPP(pthread_version_draft4,[ # include /* this check could be improved */ # ifdef pthread_once_init pthread_version_draft4; # endif ], ol_pthread_draft4=yes, ol_pthread_draft4=no) if test $ol_pthread_final = yes -a $ol_pthread_draft4 = no; then ol_cv_pthread_version=final elif test $ol_pthread_final = no -a $ol_pthread_draft4 = yes; then ol_cv_pthread_version=draft4 else ol_cv_pthread_version=unknown fi ]) ])dnl dnl dnl -------------------------------------------------------------------- AC_DEFUN([OL_PTHREAD_TEST_INCLUDES], [/* pthread test headers */ #include #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 */ pthread_t t; int status; #if HAVE_PTHREADS_FINAL && defined(PTHREAD_CREATE_UNDETACHED) /* This system (e.g. AIX) defaults detached; must override */ pthread_attr_t attr; status = pthread_attr_init(&attr); if( status ) exit( status ); status = pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_UNDETACHED); if( status ) exit( status ); # define ATTR &attr #elif defined( HAVE_PTHREADS_D4 ) # define ATTR pthread_attr_default #else # define ATTR NULL #endif /* make sure pthread_create() isn't just a stub */ status = pthread_create(&t, ATTR, task, NULL); if( status ) exit( status ); /* give the thread a chance to complete... * it should remain joinable and hence detachable */ sleep( 1 ); /* make sure pthread_detach() isn't just a stub */ #if HAVE_PTHREADS_D4 status = pthread_detach( &t ); #else status = pthread_detach( t ); #endif #ifdef HAVE_LINUX_THREADS pthread_kill_other_threads_np(); #endif exit( status ); ]) AC_DEFUN([OL_PTHREAD_TEST_PROGRAM], [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_TRY_RUN(OL_PTHREAD_TEST_PROGRAM, [$2=yes], [$2=no], [AC_TRY_LINK(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 exists. Existance 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]) 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 exists. Existance 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 -a \ $ol_cv_sys_linux_threads = yes; then ol_cv_linux_threads=yes elif test $ol_cv_header_linux_threads = no -a \ $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_TRY_RUN([ #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_TRY_RUN([ #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 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([declaration of sys_errlist],ol_cv_dcl_sys_errlist,[ AC_TRY_COMPILE([ #include #include #include #ifdef WINNT #include #endif ], [char *c = (char *) *sys_errlist], [ol_cv_dcl_sys_errlist=yes ol_cv_have_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]) AC_CACHE_CHECK([existence of sys_errlist],ol_cv_have_sys_errlist,[ AC_TRY_LINK([#include ], [char *c = (char *) *sys_errlist], [ol_cv_have_sys_errlist=yes], [ol_cv_have_sys_errlist=no])]) fi 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]) fi ])dnl 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_TRY_COMPILE([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 $LIBS" AC_CACHE_CHECK([fetch(3) library],ol_cv_lib_fetch,[ AC_TRY_LINK([ #include #include #include ], [struct url *u = fetchParseURL("file:///"); ], [ol_cv_lib_fetch=yes], [ol_cv_lib_fetch=no])]) LIBS=$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 sig_atomic_t if not defined in signal.h AC_DEFUN(OL_TYPE_SIG_ATOMIC_T, [AC_CACHE_CHECK(for sig_atomic_t, ol_cv_type_sig_atomic_t, [AC_TRY_COMPILE([#include ], [sig_atomic_t atomic;], ol_cv_type_sig_atomic_t=yes, ol_cv_type_sig_atomic_t=no)]) if test $ol_cv_type_sig_atomic_t = no; then AC_DEFINE(sig_atomic_t,int, [define to atomic type if sig_atomic_t is not available]) fi ])dnl dnl dnl ==================================================================== dnl Define socklen_t if not defined in sys/types.h or sys/socket.h AC_DEFUN(OL_TYPE_SOCKLEN_T, [AC_CACHE_CHECK(for socklen_t, ol_cv_type_socklen_t, [AC_TRY_COMPILE([ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif ], [socklen_t len;], ol_cv_type_socklen_t=yes, ol_cv_type_socklen_t=no)]) if test $ol_cv_type_socklen_t = no; then AC_DEFINE(socklen_t, int, [define to int if socklen_t is not available]) 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_TRY_LINK([ #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_TRY_COMPILE([#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_TRY_COMPILE([#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 -a \ $ol_cv_func_ctime_r_nargs2 = no ; then ol_cv_func_ctime_r_nargs=3 elif test $ol_cv_func_ctime_r_nargs3 = no -a \ $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_TRY_COMPILE([#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_TRY_COMPILE([#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_TRY_COMPILE([#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 -a \ $ol_cv_func_gethostbyname_r_nargs6 = no ; then ol_cv_func_gethostbyname_r_nargs=5 elif test $ol_cv_func_gethostbyname_r_nargs5 = no -a \ $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_TRY_COMPILE([#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_TRY_COMPILE([#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 -a \ $ol_cv_func_gethostbyaddr_r_nargs8 = no ; then ol_cv_func_gethostbyaddr_r_nargs=7 elif test $ol_cv_func_gethostbyaddr_r_nargs7 = no -a \ $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