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e26de67770
gethostby{name,addr}_r functions.
Contributed by Juan Carlos Gomes IT#68 (apparently).
Also includes support for detecting ssleay in configure.in.
518 lines
15 KiB
Plaintext
518 lines
15 KiB
Plaintext
dnl Copyright 1998 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 builtin(include, build/libtool.m4)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 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 $ol_cv_berkeley_db2 = yes ; then
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AC_DEFINE(HAVE_BERKELEY_DB2,1)
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fi
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])dnl
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dnl
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dnl ====================================================================
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dnl Check for db.h/db_185.h is Berkeley DB
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dnl
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dnl defines ol_cv_header_db to 'yes' or 'no'
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dnl
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dnl uses:
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dnl OL_HEADER_BERKELEY_DB2
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dnl AC_CHECK_HEADERS(db_185.h)
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dnl
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AC_DEFUN([OL_HEADER_BERKELEY_DB],
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[AC_REQUIRE([OL_HEADER_BERKELEY_DB2])
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AC_CHECK_HEADERS(db_185.h)
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if test "$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)
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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)
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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)
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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
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dnl should be tested separately.
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dnl
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AC_DEFUN([OL_POSIX_THREAD_VERSION],
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[AC_CACHE_CHECK([POSIX thread version],[ol_cv_pthread_version],[
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AC_EGREP_CPP(pthread_version_final,[
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# include <pthread.h>
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/* this check could be improved */
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# ifdef PTHREAD_ONCE_INIT
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pthread_version_final
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# endif
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], ol_pthread_final=yes, ol_pthread_final=no)
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AC_EGREP_CPP(pthread_version_draft4,[
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# include <pthread.h>
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/* this check could be improved */
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# ifdef pthread_once_init
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pthread_version_draft4
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# endif
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], ol_pthread_draft4=yes, ol_pthread_draft4=no)
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if test $ol_pthread_final = yes -a $ol_pthread_draft4 = no; then
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ol_cv_pthread_version=final
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elif test $ol_pthread_final = no -a $ol_pthread_draft4 = yes; then
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ol_cv_pthread_version=draft4
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else
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ol_cv_pthread_version=unknown
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fi
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])
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])dnl
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dnl
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dnl --------------------------------------------------------------------
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dnl Check LinuxThread
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dnl
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dnl defines ol_cv_linux_threads to 'yes' or 'no'
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dnl 'no' implies pthreads.h is not LinuxThreads or pthreads.h
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dnl doesn't exists. Existance of pthread.h should separately
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dnl checked.
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dnl
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AC_DEFUN([OL_LINUX_THREADS],
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[
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AC_CACHE_CHECK([for LinuxThreads], [ol_cv_linux_threads], [
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res=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`
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if test "$res" -gt 0 ; then
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ol_cv_linux_threads=yes
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else
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ol_cv_linux_threads=no
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fi
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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 toupper() requires islower() to be called first
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AC_DEFUN([OL_C_UPPER_LOWER],
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[
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AC_MSG_CHECKING([if toupper() requires islower()])
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AC_CACHE_VAL(ol_cv_c_upper_lower,[
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AC_TRY_RUN([
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#include <ctype.h>
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main()
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{
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if ('C' == toupper('C'))
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exit(0);
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else
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exit(1);
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}],
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[ol_cv_c_upper_lower=no],
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[ol_cv_c_upper_lower=yes],
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[ol_cv_c_upper_lower=safe])])
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AC_MSG_RESULT($ol_cv_c_upper_lower)
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if test $ol_cv_c_upper_lower != no ; then
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AC_DEFINE(C_UPPER_LOWER,1)
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fi
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])
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dnl ====================================================================
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dnl Check for declaration of sys_errlist in one of stdio.h and errno.h.
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dnl Declaration of sys_errlist on BSD4.4 interferes with our declaration.
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dnl Reported by Keith Bostic.
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AC_DEFUN([OL_SYS_ERRLIST],
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[
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AC_MSG_CHECKING([declaration of sys_errlist])
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AC_CACHE_VAL(ol_cv_dcl_sys_errlist,[
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AC_TRY_COMPILE([
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#include <stdio.h>
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#include <sys/types.h>
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#include <errno.h> ],
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[char *c = (char *) *sys_errlist],
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[ol_cv_dcl_sys_errlist=yes],
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[ol_cv_dcl_sys_errlist=no])])
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AC_MSG_RESULT($ol_cv_dcl_sys_errlist)
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# It's possible (for near-UNIX clones) that sys_errlist doesn't exist
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if test $ol_cv_dcl_sys_errlist = no ; then
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AC_DEFINE(DECL_SYS_ERRLIST,1)
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AC_MSG_CHECKING([existence of sys_errlist])
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AC_CACHE_VAL(ol_cv_have_sys_errlist,[
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AC_TRY_LINK([#include <errno.h>],
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[char *c = (char *) *sys_errlist],
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[ol_cv_have_sys_errlist=yes],
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[ol_cv_have_sys_errlist=no])])
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AC_MSG_RESULT($ol_cv_have_sys_errlist)
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fi
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])dnl
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dnl ====================================================================
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dnl Early MIPS compilers (used in Ultrix 4.2) don't like
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dnl "int x; int *volatile a = &x; *a = 0;"
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dnl -- borrowed from PDKSH
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AC_DEFUN(OL_C_VOLATILE,
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[AC_CACHE_CHECK(if compiler understands volatile, ol_cv_c_volatile,
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[AC_TRY_COMPILE([int x, y, z;],
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[volatile int a; int * volatile b = x ? &y : &z;
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/* Older MIPS compilers (eg., in Ultrix 4.2) don't like *b = 0 */
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*b = 0;], ol_cv_c_volatile=yes, ol_cv_c_volatile=no)])
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if test $ol_cv_c_volatile = yes; then
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:
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else
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AC_DEFINE(volatile, )
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fi
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])dnl
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dnl ====================================================================
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dnl Define sig_atomic_t if not defined in signal.h
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AC_DEFUN(OL_TYPE_SIG_ATOMIC_T,
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[AC_CACHE_CHECK(for sig_atomic_t, ol_cv_type_sig_atomic_t,
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[AC_TRY_COMPILE([#include <signal.h>], [sig_atomic_t atomic;],
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ol_cv_type_sig_atomic_t=yes, ol_cv_type_sig_atomic_t=no)])
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if test $ol_cv_type_sig_atomic_t = no; then
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AC_DEFINE(sig_atomic_t, int)
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fi
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])dnl
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dnl ====================================================================
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dnl check no of arguments for ctime_r
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AC_DEFUN(OL_FUNC_CTIME_R_NARGS,
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[AC_CACHE_CHECK(number of arguments of ctime_r, ol_cv_func_ctime_r_nargs,
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[AC_TRY_COMPILE([#include <time.h>],
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[time_t ti; char *buffer; ctime_r(&ti,buffer,32);],
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ol_cv_func_ctime_r_nargs=3, ol_cv_func_ctime_r_nargs=0)
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if test $ol_cv_func_ctime_r_nargs = 0 ; then
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AC_TRY_COMPILE([#include <time.h>],
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[time_t ti; char *buffer;
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ctime_r(&ti,buffer);],
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ol_cv_func_ctime_r_nargs=2, ol_cv_func_ctime_r_nargs=0)
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fi
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])
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if test $ol_cv_func_ctime_r_nargs -gt 1 ; then
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AC_DEFINE_UNQUOTED(CTIME_R_NARGS, $ol_cv_func_ctime_r_nargs)
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fi
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])dnl
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dnl ====================================================================
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dnl check no of arguments for gethostbyname_r
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AC_DEFUN(OL_FUNC_GETHOSTBYNAME_R_NARGS,
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[AC_CACHE_CHECK(number of arguments of gethostbyname_r, ol_cv_func_gethostbyname_r_nargs,
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[AC_TRY_COMPILE([#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#define BUFSIZE (sizeof(struct hostent)+10)],
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[struct hostent hent; char buffer[BUFSIZE];
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int bufsize=BUFSIZE;int h_errno;
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(void)gethostbyname_r( "segovia.cs.purdue.edu", &hent, buffer, bufsize, &h_errno);
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return 0;],
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ol_cv_func_gethostbyname_r_nargs=5, ol_cv_func_gethostbyname_r_nargs=0)
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if test $ol_cv_func_gethostbyname_r_nargs = 0 ; then
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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;
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|
char buffer[BUFSIZE];
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int bufsize=BUFSIZE;int h_errno;
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|
(void)gethostbyname_r( "segovia.cs.purdue.edu", &hent, buffer, bufsize, &rhent, &h_errno);
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|
return 0;],
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|
ol_cv_func_gethostbyname_r_nargs=6, ol_cv_func_gethostbyname_r_nargs=0)
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|
fi
|
|
])
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if test $ol_cv_func_gethostbyname_r_nargs -gt 1 ; then
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|
AC_DEFINE_UNQUOTED(GETHOSTBYNAME_R_NARGS, $ol_cv_func_gethostbyname_r_nargs)
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|
fi
|
|
])dnl
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|
dnl check no of arguments for gethostbyaddr_r
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|
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={0x70707070};
|
|
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);
|
|
return 0;],
|
|
ol_cv_func_gethostbyaddr_r_nargs=7,
|
|
ol_cv_func_gethostbyaddr_r_nargs=0)
|
|
if test $ol_cv_func_gethostbyaddr_r_nargs = 0 ; then
|
|
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={0x70707070};
|
|
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);
|
|
return 0;],
|
|
ol_cv_func_gethostbyaddr_r_nargs=8,
|
|
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)
|
|
fi
|
|
])dnl
|
|
|