mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-15 03:01:09 +08:00
6743aebf3d
on errno not getting changed by Debug(). Likely a problem elsewhere. Tests run okay, excepting concurrency has "no such object" problems.
772 lines
22 KiB
Plaintext
772 lines
22 KiB
Plaintext
dnl Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
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dnl COPYING RESTRICTIONS APPLY, See COPYRIGHT file
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dnl
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dnl OpenLDAP Autoconf Macros
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dnl
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dnl --------------------------------------------------------------------
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dnl Restricted form of AC_ARG_ENABLE that limits user options
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dnl
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dnl $1 = option name
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dnl $2 = help-string
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dnl $3 = default value (auto)
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dnl $4 = allowed values (auto yes no)
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AC_DEFUN([OL_ARG_ENABLE], [# OpenLDAP --enable-$1
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AC_ARG_ENABLE($1,[$2 (]ifelse($3,,auto,$3)[)],[
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ol_arg=invalid
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for ol_val in ifelse($4,,[auto yes no],[$4]) ; do
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if test "$enableval" = "$ol_val" ; then
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ol_arg="$ol_val"
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fi
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done
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if test "$ol_arg" = "invalid" ; then
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AC_MSG_ERROR(bad value $enableval for --enable-$1)
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fi
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ol_enable_$1="$ol_arg"
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],
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[ ol_enable_$1=ifelse($3,,"auto","$3")])dnl
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dnl AC_VERBOSE(OpenLDAP -enable-$1 $ol_enable_$1)
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# end --enable-$1
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])dnl
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dnl
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dnl --------------------------------------------------------------------
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dnl Restricted form of AC_ARG_WITH that limits user options
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dnl
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dnl $1 = option name
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dnl $2 = help-string
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dnl $3 = default value (no)
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dnl $4 = allowed values (yes or no)
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AC_DEFUN([OL_ARG_WITH], [# OpenLDAP --with-$1
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AC_ARG_WITH($1,[$2 (]ifelse($3,,yes,$3)[)],[
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ol_arg=invalid
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for ol_val in ifelse($4,,[yes no],[$4]) ; do
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if test "$withval" = "$ol_val" ; then
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ol_arg="$ol_val"
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fi
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done
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if test "$ol_arg" = "invalid" ; then
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AC_MSG_ERROR(bad value $withval for --with-$1)
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fi
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ol_with_$1="$ol_arg"
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],
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[ ol_with_$1=ifelse($3,,"no","$3")])dnl
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dnl AC_VERBOSE(OpenLDAP --with-$1 $ol_with_$1)
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# end --with-$1
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])dnl
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dnl
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dnl ====================================================================
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dnl check if hard links are supported.
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dnl
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AC_DEFUN([OL_PROG_LN_H], [# test for ln hardlink support
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AC_MSG_CHECKING(whether ln works)
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AC_CACHE_VAL(ol_cv_prog_LN_H,
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[rm -f conftest.src conftest.dst
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echo "conftest" > conftest.src
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if ln conftest.src conftest.dst 2>/dev/null
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then
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ol_cv_prog_LN_H="ln"
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else
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ol_cv_prog_LN_H="cp"
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fi
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rm -f conftest.src conftest.dst
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])dnl
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LN_H="$ol_cv_prog_LN_H"
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if test "$ol_cv_prog_LN_H" = "ln"; then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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AC_SUBST(LN_H)dnl
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])dnl
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dnl
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dnl ====================================================================
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dnl Check if system uses EBCDIC instead of ASCII
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AC_DEFUN([OL_CPP_EBCDIC], [# test for EBCDIC
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AC_MSG_CHECKING([for EBCDIC])
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AC_CACHE_VAL(ol_cv_cpp_ebcdic,[
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AC_TRY_CPP([
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#if !('M' == 0xd4)
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#include <__ASCII__/generate_error.h>
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#endif
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],
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[ol_cv_cpp_ebcdic=yes],
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[ol_cv_cpp_ebcdic=no])])
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AC_MSG_RESULT($ol_cv_cpp_ebcdic)
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if test $ol_cv_cpp_ebcdic = yes ; then
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AC_DEFINE(HAVE_EBCDIC,1, [define if system uses EBCDIC instead of ASCII])
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fi
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])
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dnl
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dnl --------------------------------------------------------------------
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dnl OpenLDAP version of STDC header check w/ EBCDIC support
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AC_DEFUN(OL_HEADER_STDC,
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[AC_REQUIRE_CPP()dnl
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AC_REQUIRE([OL_CPP_EBCDIC])dnl
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AC_CACHE_CHECK([for ANSI C header files], ol_cv_header_stdc,
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[AC_TRY_CPP([#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <float.h>], ol_cv_header_stdc=yes, ol_cv_header_stdc=no)
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if test $ol_cv_header_stdc = yes; then
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# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
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AC_EGREP_HEADER(memchr, string.h, , ol_cv_header_stdc=no)
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fi
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if test $ol_cv_header_stdc = yes; then
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# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
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AC_EGREP_HEADER(free, stdlib.h, , ol_cv_header_stdc=no)
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fi
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if test $ol_cv_header_stdc = yes; then
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# /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
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AC_TRY_RUN([#include <ctype.h>
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#ifndef HAVE_EBCDIC
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# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
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# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
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#else
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# define ISLOWER(c) (('a' <= (c) && (c) <= 'i') \
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|| ('j' <= (c) && (c) <= 'r') \
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|| ('s' <= (c) && (c) <= 'z'))
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# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
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#endif
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#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
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int main () { int i; for (i = 0; i < 256; i++)
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if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
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exit (0); }
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], , ol_cv_header_stdc=no, :)
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fi])
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if test $ol_cv_header_stdc = yes; then
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AC_DEFINE(STDC_HEADERS)
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fi
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ac_cv_header_stdc=disable
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])
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dnl
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dnl ====================================================================
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dnl Check if struct passwd has pw_gecos
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AC_DEFUN([OL_STRUCT_PASSWD_PW_GECOS], [# test for pw_gecos in struct passwd
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AC_MSG_CHECKING([struct passwd for pw_gecos])
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AC_CACHE_VAL(ol_cv_struct_passwd_pw_gecos,[
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AC_TRY_COMPILE([#include <pwd.h>],[
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struct passwd pwd;
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pwd.pw_gecos = pwd.pw_name;
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],
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[ol_cv_struct_passwd_pw_gecos=yes],
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[ol_cv_struct_passwd_pw_gecos=no])])
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AC_MSG_RESULT($ol_cv_struct_passwd_pw_gecos)
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if test $ol_cv_struct_passwd_pw_gecos = yes ; then
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AC_DEFINE(HAVE_PW_GECOS,1, [define if struct passwd has pw_gecos])
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fi
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])
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dnl
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dnl ====================================================================
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dnl Check if db.h is Berkeley DB2
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dnl
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dnl defines ol_cv_header_db2 to 'yes' or 'no'
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dnl
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dnl uses:
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dnl AC_CHECK_HEADERS(db.h)
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dnl
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AC_DEFUN([OL_HEADER_BERKELEY_DB2],
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[AC_CHECK_HEADERS(db.h)
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if test $ac_cv_header_db_h = yes ; then
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AC_CACHE_CHECK([if db.h is DB2], [ol_cv_header_db2],[
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AC_EGREP_CPP(__db_version_2,[
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# include <db.h>
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/* this check could be improved */
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# ifdef DB_VERSION_MAJOR
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# if DB_VERSION_MAJOR == 2
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__db_version_2
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# endif
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# endif
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], ol_cv_header_db2=yes, ol_cv_header_db2=no)])
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else
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ol_cv_header_db2=no
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fi
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])dnl
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dnl --------------------------------------------------------------------
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dnl Check if Berkeley DB2 library exists
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dnl Check for dbopen in standard libraries or -ldb
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dnl
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dnl defines ol_cv_lib_db2 to '-ldb' or 'no'
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dnl
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dnl uses:
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dnl AC_CHECK_LIB(db,db_open)
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dnl
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AC_DEFUN([OL_LIB_BERKELEY_DB2],
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[AC_CACHE_CHECK([for DB2 library], [ol_cv_lib_db2],
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[ ol_LIBS="$LIBS"
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AC_CHECK_LIB(db,db_open,[ol_cv_lib_db2=-ldb],[ol_cv_lib_db2=no])
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LIBS="$ol_LIBS"
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])
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])dnl
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dnl
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dnl --------------------------------------------------------------------
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dnl Check if Berkeley db2 exists
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dnl
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dnl defines ol_cv_berkeley_db2 to 'yes' or 'no'
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dnl
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dnl uses:
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dnl OL_LIB_BERKELEY_DB2
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dnl OL_HEADER_BERKELEY_DB2
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dnl
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AC_DEFUN([OL_BERKELEY_DB2],
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[AC_REQUIRE([OL_LIB_BERKELEY_DB2])
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AC_REQUIRE([OL_HEADER_BERKELEY_DB2])
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AC_CACHE_CHECK([for Berkeley DB2], [ol_cv_berkeley_db2], [
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if test "$ol_cv_lib_db2" = no -o "$ol_cv_header_db2" = no ; then
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ol_cv_berkeley_db2=no
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else
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ol_cv_berkeley_db2=yes
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fi
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])
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if test $ol_cv_berkeley_db2 = yes ; then
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AC_DEFINE(HAVE_BERKELEY_DB2,1, [define if Berkeley DBv2 is available])
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fi
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])dnl
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dnl
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dnl ====================================================================
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dnl Check for db.h/db_185.h is Berkeley DB
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dnl
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dnl defines ol_cv_header_db to 'yes' or 'no'
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dnl
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dnl uses:
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dnl OL_HEADER_BERKELEY_DB2
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dnl AC_CHECK_HEADERS(db_185.h)
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dnl
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AC_DEFUN([OL_HEADER_BERKELEY_DB],
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[AC_REQUIRE([OL_HEADER_BERKELEY_DB2])
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AC_CHECK_HEADERS(db_185.h)
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if test "$ol_cv_header_db2" = yes ; then
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dnl db.h is db2!
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ol_cv_header_db=$ac_cv_header_db_185_h
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else
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ol_cv_header_db=$ac_cv_header_db_h
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fi
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])dnl
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dnl
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dnl --------------------------------------------------------------------
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dnl Check if Berkeley DB library exists
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dnl Check for dbopen in standard libraries or -ldb
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dnl
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dnl defines ol_cv_lib_db to 'yes' or '-ldb' or 'no'
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dnl 'yes' implies dbopen is in $LIBS
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dnl
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dnl uses:
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dnl AC_CHECK_FUNC(dbopen)
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dnl AC_CHECK_LIB(db,dbopen)
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dnl
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AC_DEFUN([OL_LIB_BERKELEY_DB],
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[AC_CACHE_CHECK([for Berkeley DB library], [ol_cv_lib_db],
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[ ol_LIBS="$LIBS"
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AC_CHECK_FUNC(dbopen,[ol_cv_lib_db=yes], [
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AC_CHECK_LIB(db,dbopen,[ol_cv_lib_db=-ldb],[ol_cv_lib_db=no])
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])
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LIBS="$ol_LIBS"
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])
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])dnl
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dnl
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dnl --------------------------------------------------------------------
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dnl Check if Berkeley DB exists
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dnl
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dnl defines ol_cv_berkeley_db to 'yes' or 'no'
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dnl
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dnl uses:
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dnl OL_LIB_BERKELEY_DB
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dnl OL_HEADER_BERKELEY_DB
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dnl
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AC_DEFUN([OL_BERKELEY_DB],
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[AC_REQUIRE([OL_LIB_BERKELEY_DB])
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AC_REQUIRE([OL_HEADER_BERKELEY_DB])
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AC_CACHE_CHECK([for Berkeley DB], [ol_cv_berkeley_db], [
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if test "$ol_cv_lib_db" = no -o "$ol_cv_header_db" = no ; then
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ol_cv_berkeley_db=no
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else
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ol_cv_berkeley_db=yes
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fi
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])
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if test $ol_cv_berkeley_db = yes ; then
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AC_DEFINE(HAVE_BERKELEY_DB,1, [define if Berkeley DB is available])
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fi
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])dnl
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dnl
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dnl ====================================================================
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dnl Check if GDBM library exists
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dnl Check for gdbm_open in standard libraries or -lgdbm
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dnl
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dnl defines ol_cv_lib_gdbm to 'yes' or '-lgdbm' or 'no'
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dnl 'yes' implies gdbm_open is in $LIBS
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dnl
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dnl uses:
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dnl AC_CHECK_FUNC(gdbm_open)
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dnl AC_CHECK_LIB(gdbm,gdbm_open)
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dnl
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AC_DEFUN([OL_LIB_GDBM],
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[AC_CACHE_CHECK(for GDBM library, [ol_cv_lib_gdbm],
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[ ol_LIBS="$LIBS"
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AC_CHECK_FUNC(gdbm_open,[ol_cv_lib_gdbm=yes], [
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AC_CHECK_LIB(gdbm,gdbm_open,[ol_cv_lib_gdbm=-lgdbm],[ol_cv_lib_gdbm=no])
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])
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LIBS="$ol_LIBS"
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])
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])dnl
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dnl
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dnl --------------------------------------------------------------------
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dnl Check if GDBM exists
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dnl
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dnl defines ol_cv_gdbm to 'yes' or 'no'
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dnl
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dnl uses:
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dnl OL_LIB_GDBM
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dnl AC_CHECK_HEADERS(gdbm.h)
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dnl
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AC_DEFUN([OL_GDBM],
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[AC_REQUIRE([OL_LIB_GDBM])
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AC_CHECK_HEADERS(gdbm.h)
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AC_CACHE_CHECK(for db, [ol_cv_gdbm], [
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if test $ol_cv_lib_gdbm = no -o $ac_cv_header_gdbm_h = no ; then
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ol_cv_gdbm=no
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else
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ol_cv_gdbm=yes
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fi
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])
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if test $ol_cv_gdbm = yes ; then
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AC_DEFINE(HAVE_GDBM,1, [define if GNU DBM is available])
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fi
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])dnl
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dnl
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dnl ====================================================================
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dnl Check if MDBM library exists
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dnl Check for mdbm_open in standard libraries or -lmdbm
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dnl
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dnl defines ol_cv_lib_mdbm to 'yes' or '-lmdbm' or 'no'
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dnl 'yes' implies mdbm_open is in $LIBS
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dnl
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dnl uses:
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dnl AC_CHECK_FUNC(mdbm_set_chain)
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dnl AC_CHECK_LIB(mdbm,mdbm_set_chain)
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dnl
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AC_DEFUN([OL_LIB_MDBM],
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[AC_CACHE_CHECK(for MDBM library, [ol_cv_lib_mdbm],
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[ ol_LIBS="$LIBS"
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AC_CHECK_FUNC(mdbm_set_chain,[ol_cv_lib_mdbm=yes], [
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AC_CHECK_LIB(mdbm,mdbm_set_chain,[ol_cv_lib_mdbm=-lmdbm],[ol_cv_lib_mdbm=no])
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])
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LIBS="$ol_LIBS"
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])
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])dnl
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dnl
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dnl --------------------------------------------------------------------
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dnl Check if MDBM exists
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dnl
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dnl defines ol_cv_mdbm to 'yes' or 'no'
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dnl
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dnl uses:
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dnl OL_LIB_MDBM
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dnl AC_CHECK_HEADERS(mdbm.h)
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dnl
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AC_DEFUN([OL_MDBM],
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[AC_REQUIRE([OL_LIB_MDBM])
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AC_CHECK_HEADERS(mdbm.h)
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AC_CACHE_CHECK(for db, [ol_cv_mdbm], [
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if test $ol_cv_lib_mdbm = no -o $ac_cv_header_mdbm_h = no ; then
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ol_cv_mdbm=no
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else
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ol_cv_mdbm=yes
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fi
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])
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if test $ol_cv_mdbm = yes ; then
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AC_DEFINE(HAVE_MDBM,1, [define if MDBM is available])
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fi
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])dnl
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dnl
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dnl ====================================================================
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dnl Check if NDBM library exists
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dnl Check for dbm_open in standard libraries or -lndbm or -ldbm
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dnl
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dnl defines ol_cv_lib_ndbm to 'yes' or '-lndbm' or -ldbm or 'no'
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dnl 'yes' implies ndbm_open is in $LIBS
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dnl
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dnl uses:
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dnl AC_CHECK_FUNC(dbm_open)
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dnl AC_CHECK_LIB(ndbm,dbm_open)
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dnl AC_CHECK_LIB(dbm,dbm_open)
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dnl
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dnl restrictions:
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dnl should also check SVR4 case: dbm_open() in -lucb but that
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dnl would requiring dealing with -L/usr/ucblib
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dnl
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AC_DEFUN([OL_LIB_NDBM],
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[AC_CACHE_CHECK(for NDBM library, [ol_cv_lib_ndbm],
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[ ol_LIBS="$LIBS"
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AC_CHECK_FUNC(dbm_open,[ol_cv_lib_ndbm=yes], [
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AC_CHECK_LIB(ndbm,dbm_open,[ol_cv_lib_ndbm=-lndbm], [
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AC_CHECK_LIB(dbm,dbm_open,[ol_cv_lib_ndbm=-ldbm],
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[ol_cv_lib_ndbm=no])dnl
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])
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])
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LIBS="$ol_LIBS"
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])
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])dnl
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dnl
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dnl --------------------------------------------------------------------
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dnl Check if NDBM exists
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dnl
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dnl defines ol_cv_ndbm to 'yes' or 'no'
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dnl
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dnl uses:
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dnl OL_LIB_NDBM
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dnl AC_CHECK_HEADERS(ndbm.h)
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dnl
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dnl restrictions:
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dnl Doesn't handle SVR4 case (see above)
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dnl
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AC_DEFUN([OL_NDBM],
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[AC_REQUIRE([OL_LIB_NDBM])
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AC_CHECK_HEADERS(ndbm.h)
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AC_CACHE_CHECK(for db, [ol_cv_ndbm], [
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if test $ol_cv_lib_ndbm = no -o $ac_cv_header_ndbm_h = no ; then
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ol_cv_ndbm=no
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else
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ol_cv_ndbm=yes
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fi
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])
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if test $ol_cv_ndbm = yes ; then
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AC_DEFINE(HAVE_NDBM,1, [define if NDBM is available])
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fi
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])dnl
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dnl
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dnl ====================================================================
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dnl Check POSIX Thread version
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dnl
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dnl defines ol_cv_posix_version to 'final' or 'draft' or 'unknown'
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dnl 'unknown' implies that the version could not be detected
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|
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 <pthread.h>
|
|
/* 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 <pthread.h>
|
|
/* 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_TRY_LINK], [# 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_LINK([
|
|
#include <pthread.h>
|
|
#ifndef NULL
|
|
#define NULL (void*)0
|
|
#endif
|
|
],[
|
|
pthread_t t;
|
|
|
|
#if HAVE_PTHREADS_D4
|
|
pthread_create(&t, pthread_attr_default, NULL, NULL);
|
|
pthread_detach( &t );
|
|
#else
|
|
pthread_create(&t, NULL, NULL, NULL);
|
|
pthread_detach( t );
|
|
#endif
|
|
#ifdef HAVE_LINUX_THREADS
|
|
pthread_kill_other_threads_np();
|
|
#endif
|
|
], [$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 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 \
|
|
$ol_cv_sys_linux_threads = no; then
|
|
ol_cv_linux_threads=no
|
|
else
|
|
ol_cv_linux_threads=error
|
|
fi
|
|
])
|
|
])dnl
|
|
dnl
|
|
dnl ====================================================================
|
|
dnl Check if toupper() requires islower() to be called first
|
|
AC_DEFUN([OL_C_UPPER_LOWER],
|
|
[
|
|
AC_MSG_CHECKING([if toupper() requires islower()])
|
|
AC_CACHE_VAL(ol_cv_c_upper_lower,[
|
|
AC_TRY_RUN([
|
|
#include <ctype.h>
|
|
main()
|
|
{
|
|
if ('C' == toupper('C'))
|
|
exit(0);
|
|
else
|
|
exit(1);
|
|
}],
|
|
[ol_cv_c_upper_lower=no],
|
|
[ol_cv_c_upper_lower=yes],
|
|
[ol_cv_c_upper_lower=safe])])
|
|
AC_MSG_RESULT($ol_cv_c_upper_lower)
|
|
if test $ol_cv_c_upper_lower != no ; then
|
|
AC_DEFINE(C_UPPER_LOWER,1, [define if toupper() requires islower()])
|
|
fi
|
|
])
|
|
dnl
|
|
dnl ====================================================================
|
|
dnl Check for declaration of sys_errlist in one of stdio.h and errno.h.
|
|
dnl Declaration of sys_errlist on BSD4.4 interferes with our declaration.
|
|
dnl Reported by Keith Bostic.
|
|
AC_DEFUN([OL_SYS_ERRLIST],
|
|
[
|
|
AC_MSG_CHECKING([declaration of sys_errlist])
|
|
AC_CACHE_VAL(ol_cv_dcl_sys_errlist,[
|
|
AC_TRY_COMPILE([
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <errno.h> ],
|
|
[char *c = (char *) *sys_errlist],
|
|
[ol_cv_dcl_sys_errlist=yes],
|
|
[ol_cv_dcl_sys_errlist=no])])
|
|
AC_MSG_RESULT($ol_cv_dcl_sys_errlist)
|
|
# It's possible (for near-UNIX clones) that sys_errlist doesn't exist
|
|
if test $ol_cv_dcl_sys_errlist = no ; then
|
|
AC_DEFINE(DECL_SYS_ERRLIST,1,
|
|
[define if sys_errlist is not declared in stdio.h or errno.h])
|
|
AC_MSG_CHECKING([existence of sys_errlist])
|
|
AC_CACHE_VAL(ol_cv_have_sys_errlist,[
|
|
AC_TRY_LINK([#include <errno.h>],
|
|
[char *c = (char *) *sys_errlist],
|
|
[ol_cv_have_sys_errlist=yes],
|
|
[ol_cv_have_sys_errlist=no])])
|
|
AC_MSG_RESULT($ol_cv_have_sys_errlist)
|
|
if test $ol_cv_have_sys_errlist = yes ; then
|
|
AC_DEFINE(HAVE_SYS_ERRLIST,1,
|
|
[define if you actually have sys_errlist in your libs])
|
|
fi
|
|
fi
|
|
])dnl
|
|
dnl
|
|
dnl ====================================================================
|
|
dnl Check to see if we should not declare strdup if we have it
|
|
dnl
|
|
AC_DEFUN([OL_DECL_STRDUP],
|
|
[
|
|
AC_MSG_CHECKING([strdup declaration])
|
|
AC_CACHE_VAL(ol_cv_dcl_strdup,[
|
|
AC_TRY_COMPILE([
|
|
#include <string.h> ],
|
|
[extern char *strdup();],
|
|
[ol_cv_dcl_strdup=yes],
|
|
[ol_cv_dcl_strdup=no])])
|
|
AC_MSG_RESULT($ol_cv_dcl_strdup)
|
|
if test $ol_cv_dcl_strdup = yes ; then
|
|
AC_DEFINE(DECL_STRDUP,1,
|
|
[define if you have strdup() but it's not declared])
|
|
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_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,)
|
|
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)
|
|
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.h>],
|
|
[time_t ti; char *buffer; ctime_r(&ti,buffer,32);],
|
|
ol_cv_func_ctime_r_nargs=3,
|
|
[AC_TRY_COMPILE([#include <time.h>],
|
|
[time_t ti; char *buffer; ctime_r(&ti,buffer);],
|
|
ol_cv_func_ctime_r_nargs=2,
|
|
ol_cv_func_ctime_r_nargs=0)])])
|
|
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 <time.h>],
|
|
[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 <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netdb.h>
|
|
#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_nargs=5,
|
|
[AC_TRY_COMPILE([#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netdb.h>
|
|
#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_nargs=6,
|
|
ol_cv_func_gethostbyname_r_nargs=0)])])
|
|
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 <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netdb.h>
|
|
#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_nargs=7,
|
|
[AC_TRY_COMPILE([#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <netdb.h>
|
|
#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_nargs=8,
|
|
ol_cv_func_gethostbyaddr_r_nargs=0)])])
|
|
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
|