-dnl Copyright 1998 The OpenLDAP Foundation, All Rights Reserved.
+dnl $OpenLDAP$
+dnl
+dnl Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
dnl COPYING RESTRICTIONS APPLY, See COPYRIGHT file
dnl
dnl OpenLDAP Autoconf Macros
dnl
-dnl builtin(include, build/libtool.m4)dnl
+dnl --------------------------------------------------------------------
+AC_DEFUN([OL_RCS_ID], "[$]$1[$]")dnl
dnl --------------------------------------------------------------------
dnl Restricted form of AC_ARG_ENABLE that limits user options
dnl
])dnl
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 ${OL_MKDEP} depend flag], ol_cv_mkdep, [
+ ol_cv_mkdep=no
+ for flag in "-M" "-xM"; do
+ cat > conftest.c <<EOF
+ noCode;
+EOF
+ if AC_TRY_COMMAND($OL_MKDEP $flag conftest.c) \
+ | egrep '^conftest\.'"${ac_objext}" >/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 <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>], 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 <ctype.h>
+#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 <pwd.h>],[
+ 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 <pwd.h>],[
+ 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 $ol_cv_struct_passwd_pw_passwd = yes ; then
+ AC_DEFINE(HAVE_PW_PASSWD,1, [define if struct passwd has pw_passwd])
+fi
+])
+dnl
+dnl ====================================================================
dnl Check if db.h is Berkeley DB2
dnl
dnl defines ol_cv_header_db2 to 'yes' or 'no'
dnl
AC_DEFUN([OL_LIB_BERKELEY_DB],
[AC_CACHE_CHECK([for Berkeley DB library], [ol_cv_lib_db],
-[ ol_LIBS="$LIBS"
+[
+ AC_CHECK_HEADERS(db1/db.h)
+ ol_LIBS="$LIBS"
AC_CHECK_FUNC(dbopen,[ol_cv_lib_db=yes], [
- AC_CHECK_LIB(db,dbopen,[ol_cv_lib_db=-ldb],[ol_cv_lib_db=no])
+ AC_CHECK_LIB(db1,dbopen,[ol_cv_lib_db=-ldb1],[
+ AC_CHECK_LIB(db,dbopen,[ol_cv_lib_db=-ldb],
+ [ol_cv_lib_db=no])
+ ])
])
LIBS="$ol_LIBS"
])
])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
dnl
dnl --------------------------------------------------------------------
-dnl Check LinuxThread
+AC_DEFUN([OL_PTHREAD_TEST_INCLUDES],
+[/* pthread test headers */
+#include <pthread.h>
+#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;
+
+ /* make sure pthread_create() isn't just a stub */
+#if HAVE_PTHREADS_D4
+ status = pthread_create(&t, pthread_attr_default, task, NULL);
+#else
+ status = pthread_create(&t, NULL, task, NULL);
+#endif
+
+ if( status ) exit( status );
+
+ /* 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="$1"
+ ol_link_threads=posix
+ fi
+fi
+])
dnl
-dnl defines ol_cv_linux_threads to 'yes' or 'no'
+dnl ====================================================================
+dnl Check GNU Pth pthread Header
+dnl
+dnl defines ol_cv_header linux_threads to 'yes' or 'no'
dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
dnl doesn't exists. Existance of pthread.h should separately
dnl checked.
dnl
-AC_DEFUN([OL_LINUX_THREADS],
-[
-AC_CACHE_CHECK([for LinuxThreads], [ol_cv_linux_threads], [
- res=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`
- if test "$res" -gt 0 ; then
- ol_cv_linux_threads=yes
- else
- ol_cv_linux_threads=no
+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 <pthread.h>
+#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 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 <pthread.h>],
+ [ol_cv_header_linux_threads=yes],
+ [ol_cv_header_linux_threads=no])
+ ])
+ if test $ol_cv_header_linux_threads = yes; then
+ AC_DEFINE(HAVE_LINUX_THREADS,1,[if you have LinuxThreads])
fi
-])
])dnl
+dnl --------------------------------------------------------------------
+dnl Check LinuxThreads Implementation
+dnl
+dnl defines ol_cv_sys_linux_threads to 'yes' or 'no'
+dnl 'no' implies pthreads implementation is not LinuxThreads.
+dnl
+AC_DEFUN([OL_SYS_LINUX_THREADS], [
+ AC_CHECK_FUNC(pthread_kill_other_threads_np)
+ AC_CACHE_CHECK([for LinuxThreads implementation],
+ [ol_cv_sys_linux_threads],
+ [ol_cv_sys_linux_threads=$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 \
+ $ol_cv_sys_linux_threads = no; then
+ ol_cv_linux_threads=no
+ else
+ ol_cv_linux_threads=error
+ fi
+ ])
+])dnl
+dnl
+dnl ====================================================================
+dnl Check for POSIX Regex
+AC_DEFUN([OL_POSIX_REGEX], [
+AC_CACHE_CHECK([for compatible POSIX regex],ol_cv_c_posix_regex,[
+ AC_TRY_RUN([
+#include <sys/types.h>
+#include <regex.h>
+static char *pattern, *string;
+main()
+{
+ int rc;
+ regex_t re;
+
+ pattern = "^A";
+
+ if(regcomp(&re, pattern, 0)) {
+ return -1;
+ }
+
+ string = "ALL MATCH";
+
+ rc = regexec(&re, string, 0, (void*)0, 0);
+
+ regfree(&re);
+
+ return rc;
+}],
+ [ol_cv_c_posix_regex=yes],
+ [ol_cv_c_posix_regex=no],
+ [ol_cv_c_posix_regex=cross])])
+])
dnl
dnl ====================================================================
dnl Check if toupper() requires islower() to be called first
AC_DEFUN([OL_C_UPPER_LOWER],
-[
-AC_MSG_CHECKING([if toupper() requires islower()])
-AC_CACHE_VAL(ol_cv_c_upper_lower,[
+[AC_CACHE_CHECK([if toupper() requires islower()],ol_cv_c_upper_lower,[
AC_TRY_RUN([
#include <ctype.h>
main()
[ol_cv_c_upper_lower=no],
[ol_cv_c_upper_lower=yes],
[ol_cv_c_upper_lower=safe])])
-AC_MSG_RESULT($ol_cv_c_upper_lower)
if test $ol_cv_c_upper_lower != no ; then
AC_DEFINE(C_UPPER_LOWER,1, [define if toupper() requires islower()])
fi
dnl Declaration of sys_errlist on BSD4.4 interferes with our declaration.
dnl Reported by Keith Bostic.
AC_DEFUN([OL_SYS_ERRLIST],
-[
-AC_MSG_CHECKING([declaration of sys_errlist])
-AC_CACHE_VAL(ol_cv_dcl_sys_errlist,[
+[AC_CACHE_CHECK([declaration of sys_errlist],ol_cv_dcl_sys_errlist,[
AC_TRY_COMPILE([
#include <stdio.h>
#include <sys/types.h>
#include <errno.h> ],
[char *c = (char *) *sys_errlist],
- [ol_cv_dcl_sys_errlist=yes],
+ [ol_cv_dcl_sys_errlist=yes
+ ol_cv_have_sys_errlist=yes],
[ol_cv_dcl_sys_errlist=no])])
-AC_MSG_RESULT($ol_cv_dcl_sys_errlist)
+#
# It's possible (for near-UNIX clones) that sys_errlist doesn't exist
if test $ol_cv_dcl_sys_errlist = no ; then
AC_DEFINE(DECL_SYS_ERRLIST,1,
- [define if sys_errlist is declared in stdio.h or errno.h])
- AC_MSG_CHECKING([existence of sys_errlist])
- AC_CACHE_VAL(ol_cv_have_sys_errlist,[
+ [define if sys_errlist is not declared in stdio.h or errno.h])
+
+ AC_CACHE_CHECK([existence of sys_errlist],ol_cv_have_sys_errlist,[
AC_TRY_LINK([#include <errno.h>],
[char *c = (char *) *sys_errlist],
[ol_cv_have_sys_errlist=yes],
[ol_cv_have_sys_errlist=no])])
- AC_MSG_RESULT($ol_cv_have_sys_errlist)
- 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
+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;"
if test $ol_cv_c_volatile = yes; then
:
else
- AC_DEFINE(volatile,)
+ AC_DEFINE(volatile,,[define as empty if volatile is not supported])
fi
])dnl
dnl
dnl ====================================================================
+dnl Look for fetch(3)
+AC_DEFUN([OL_LIB_FETCH],
+[ol=$LIBS
+LIBS="-lfetch -lcom_err $LIBS"
+AC_CACHE_CHECK([fetch(3) library],ol_cv_lib_fetch,[
+ AC_TRY_LINK([
+#include <sys/param.h>
+#include <stdio.h>
+#include <fetch.h>],
+ [struct url *u = fetchParseURL("file:///"); ],
+ [ol_cv_lib_fetch=yes],
+ [ol_cv_lib_fetch=no])])
+LIBS=$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 <signal.h>], [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)
+ 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 <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#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 <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+# ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+# endif
+# include <netinet/in.h>
+# ifdef HAVE_ARPA_INET_H
+# include <arpa/inet.h>
+# 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
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 <time.h>],
- [int ctime_r();],
+ [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