Description:
------------
Hello.
When compile PHP 5.1.6 with the option --with-curl=/users/opt/curl gmake process fail

Reproduce code:
---------------
./configure --prefix=/opt/hpws/apache/php \
            --with-apxs2=/opt/hpws/apache/bin/apxs \
            --with-config-file-path=/opt/hpws/apache/conf \
            --enable-libgcc \
            --enable-ftp \
            --with-informix=/informix/ifx31 \
            --with-gd \
            --with-unixODBC=/users/opt/unixODBC \
            --with-iconv=/usr/local \
            --with-zlib=/usr/local \
            --with-zlib-dir=/usr/local \
            --with-freetype-dir=/usr/local \
            --with-gettext=/usr/local \
            --with-jpeg-dir=/usr/local \
            --with-png-dir=/usr/local \
            --with-ttf=/usr/local \
            --with-t1lib=/usr/local \
            --enable-gd-native-ttf \
            --enable-xslt \
            --with-xslt-sablot=/usr/local \
            --with-curl=/users/opt/curl \
            --with-curlwrappers \
            --with-ldap=/usr/local \
            --with-mhash=/usr/local \
            --with-mssql=/users/opt/freetds \
            --with-openssl=/usr/local \
            --with-libexpat-dir=/usr/local \
            --with-libxml-dir=/usr/local \
            --with-xsl=/usr/local \
            --enable-calendar \
              

Expected result:
----------------
Build complete.

Actual result:
--------------
/bin/sh /users/fuentes/php-5.1.6/libtool --silent --preserve-dup-deps --mode=link /users/fuentes/php-5.1.6/meta_ccld -I/usr/local/include -g -O2 -pthread -DZTS  -rpath /users/fuentes/php-5.1.6/libs -avoid-version -module -L/usr/local/lib/gcc/hppa2.0w-hp-hpux11.11/4.1.1 -L/usr/local/lib -L/users/opt/curl/lib -L/usr/local/bin/lib -L/informix/ifx31/lib -L/informix/ifx31/lib/esql -L/users/opt/freetds/lib -L/users/opt/unixODBC/lib  -R /usr/local/lib/gcc/hppa2.0w-hp-hpux11.11/4.1.1 -R /usr/local/lib -R /users/opt/curl/lib -R /usr/local/bin/lib -R /informix/ifx31/lib -R /informix/ifx31/lib/esql -R /users/opt/freetds/lib -R /users/opt/unixODBC/lib ext/libxml/libxml.lo ext/openssl/openssl.lo ext/openssl/xp_ssl.lo ext/pcre/pcrelib/pcre_chartables.lo ext/pcre/pcrelib/pcre_ucp_searchfuncs.lo ext/pcre/pcrelib/pcre_compile.lo ext/pcre/pcrelib/pcre_config.lo ext/pcre/pcrelib/pcre_dfa_exec.lo ext/pcre/pcrelib/pcre_exec.lo ext/pcre/pcrelib/pcre_fullinfo.lo ext/pcre/pcrelib/pcre_get.lo ext/pcre/pcrelib/pcre_globals.lo ext/pcre/pcrelib/pcre_info.lo ext/pcre/pcrelib/pcre_maketables.lo ext/pcre/pcrelib/pcre_ord2utf8.lo ext/pcre/pcrelib/pcre_refcount.lo ext/pcre/pcrelib/pcre_study.lo ext/pcre/pcrelib/pcre_tables.lo ext/pcre/pcrelib/pcre_try_flipped.lo ext/pcre/pcrelib/pcre_valid_utf8.lo ext/pcre/pcrelib/pcre_version.lo ext/pcre/pcrelib/pcre_xclass.lo ext/pcre/php_pcre.lo ext/zlib/zlib.lo ext/zlib/zlib_fopen_wrapper.lo ext/zlib/zlib_filter.lo ext/calendar/calendar.lo ext/calendar/dow.lo ext/calendar/french.lo ext/calendar/gregor.lo ext/calendar/jewish.lo ext/calendar/julian.lo ext/calendar/easter.lo ext/calendar/cal_unix.lo ext/ctype/ctype.lo ext/curl/interface.lo ext/curl/multi.lo ext/curl/streams.lo ext/date/php_date.lo ext/date/lib/astro.lo ext/date/lib/dow.lo ext/date/lib/parse_date.lo ext/date/lib/parse_tz.lo ext/date/lib/timelib.lo ext/date/lib/tm2unixtime.lo ext/date/lib/unixtime2tm.lo ext/dom/php_dom.lo ext/dom/attr.lo ext/dom/document.lo ext/dom/domerrorhandler.lo ext/dom/domstringlist.lo ext/dom/domexception.lo ext/dom/namelist.lo ext/dom/processinginstruction.lo ext/dom/cdatasection.lo ext/dom/documentfragment.lo ext/dom/domimplementation.lo ext/dom/element.lo ext/dom/node.lo ext/dom/string_extend.lo ext/dom/characterdata.lo ext/dom/documenttype.lo ext/dom/domimplementationlist.lo ext/dom/entity.lo ext/dom/nodelist.lo ext/dom/text.lo ext/dom/comment.lo ext/dom/domconfiguration.lo ext/dom/domimplementationsource.lo ext/dom/entityreference.lo ext/dom/notation.lo ext/dom/xpath.lo ext/dom/dom_iterators.lo ext/dom/typeinfo.lo ext/dom/domerror.lo ext/dom/domlocator.lo ext/dom/namednodemap.lo ext/dom/userdatahandler.lo ext/ftp/php_ftp.lo ext/ftp/ftp.lo ext/gd/gd.lo ext/gd/gdttf.lo ext/gd/libgd/gd.lo ext/gd/libgd/gd_gd.lo ext/gd/libgd/gd_gd2.lo ext/gd/libgd/gd_io.lo ext/gd/libgd/gd_io_dp.lo ext/gd/libgd/gd_io_file.lo ext/gd/libgd/gd_ss.lo ext/gd/libgd/gd_io_ss.lo ext/gd/libgd/gd_png.lo ext/gd/libgd/gd_jpeg.lo ext/gd/libgd/gdxpm.lo ext/gd/libgd/gdfontt.lo ext/gd/libgd/gdfonts.lo ext/gd/libgd/gdfontmb.lo ext/gd/libgd/gdfontl.lo ext/gd/libgd/gdfontg.lo ext/gd/libgd/gdtables.lo ext/gd/libgd/gdft.lo ext/gd/libgd/gdcache.lo ext/gd/libgd/gdkanji.lo ext/gd/libgd/wbmp.lo ext/gd/libgd/gd_wbmp.lo ext/gd/libgd/gdhelpers.lo ext/gd/libgd/gd_topal.lo ext/gd/libgd/gd_gif_in.lo ext/gd/libgd/xbm.lo ext/gd/libgd/gd_gif_out.lo ext/gettext/gettext.lo ext/hash/hash.lo ext/hash/hash_md.lo ext/hash/hash_sha.lo ext/hash/hash_ripemd.lo ext/hash/hash_haval.lo ext/hash/hash_tiger.lo ext/hash/hash_gost.lo ext/hash/hash_snefru.lo ext/hash/hash_whirlpool.lo ext/hash/hash_adler32.lo ext/hash/hash_crc32.lo ext/iconv/iconv.lo ext/informix/ifx.lo ext/ldap/ldap.lo ext/mhash/mhash.lo ext/mssql/php_mssql.lo ext/odbc/php_odbc.lo ext/pdo/pdo.lo ext/pdo/pdo_dbh.lo ext/pdo/pdo_stmt.lo ext/pdo/pdo_sql_parser.lo ext/pdo/pdo_sqlstate.lo ext/posix/posix.lo ext/reflection/php_reflection.lo ext/session/session.lo ext/session/mod_files.lo ext/session/mod_mm.lo ext/session/mod_user.lo ext/simplexml/simplexml.lo ext/spl/php_spl.lo ext/spl/spl_functions.lo ext/spl/spl_engine.lo ext/spl/spl_iterators.lo ext/spl/spl_array.lo ext/spl/spl_directory.lo ext/spl/spl_sxe.lo ext/spl/spl_exceptions.lo ext/spl/spl_observer.lo ext/sqlite/sqlite.lo ext/sqlite/sess_sqlite.lo ext/sqlite/pdo_sqlite2.lo ext/sqlite/libsqlite/src/opcodes.lo ext/sqlite/libsqlite/src/parse.lo ext/sqlite/libsqlite/src/encode.lo ext/sqlite/libsqlite/src/auth.lo ext/sqlite/libsqlite/src/btree.lo ext/sqlite/libsqlite/src/build.lo ext/sqlite/libsqlite/src/delete.lo ext/sqlite/libsqlite/src/expr.lo ext/sqlite/libsqlite/src/func.lo ext/sqlite/libsqlite/src/hash.lo ext/sqlite/libsqlite/src/insert.lo ext/sqlite/libsqlite/src/main.lo ext/sqlite/libsqlite/src/os.lo ext/sqlite/libsqlite/src/pager.lo ext/sqlite/libsqlite/src/printf.lo ext/sqlite/libsqlite/src/random.lo ext/sqlite/libsqlite/src/select.lo ext/sqlite/libsqlite/src/table.lo ext/sqlite/libsqlite/src/tokenize.lo ext/sqlite/libsqlite/src/update.lo ext/sqlite/libsqlite/src/util.lo ext/sqlite/libsqlite/src/vdbe.lo ext/sqlite/libsqlite/src/attach.lo ext/sqlite/libsqlite/src/btree_rb.lo ext/sqlite/libsqlite/src/pragma.lo ext/sqlite/libsqlite/src/vacuum.lo ext/sqlite/libsqlite/src/copy.lo ext/sqlite/libsqlite/src/vdbeaux.lo ext/sqlite/libsqlite/src/date.lo ext/sqlite/libsqlite/src/where.lo ext/sqlite/libsqlite/src/trigger.lo regex/regcomp.lo regex/regexec.lo regex/regerror.lo regex/regfree.lo ext/standard/array.lo ext/standard/base64.lo ext/standard/basic_functions.lo ext/standard/browscap.lo ext/standard/crc32.lo ext/standard/crypt.lo ext/standard/cyr_convert.lo ext/standard/datetime.lo ext/standard/dir.lo ext/standard/dl.lo ext/standard/dns.lo ext/standard/exec.lo ext/standard/file.lo ext/standard/filestat.lo ext/standard/flock_compat.lo ext/standard/formatted_print.lo ext/standard/fsock.lo ext/standard/head.lo ext/standard/html.lo ext/standard/image.lo ext/standard/info.lo ext/standard/iptc.lo ext/standard/lcg.lo ext/standard/link.lo ext/standard/mail.lo ext/standard/math.lo ext/standard/md5.lo ext/standard/metaphone.lo ext/standard/microtime.lo ext/standard/pack.lo ext/standard/pageinfo.lo ext/standard/quot_print.lo ext/standard/rand.lo ext/standard/reg.lo ext/standard/soundex.lo ext/standard/string.lo ext/standard/scanf.lo ext/standard/syslog.lo ext/standard/type.lo ext/standard/uniqid.lo ext/standard/url.lo ext/standard/url_scanner.lo ext/standard/var.lo ext/standard/versioning.lo ext/standard/assert.lo ext/standard/strnatcmp.lo ext/standard/levenshtein.lo ext/standard/incomplete_class.lo ext/standard/url_scanner_ex.lo ext/standard/ftp_fopen_wrapper.lo ext/standard/http_fopen_wrapper.lo ext/standard/php_fopen_wrapper.lo ext/standard/credits.lo ext/standard/css.lo ext/standard/var_unserializer.lo ext/standard/ftok.lo ext/standard/sha1.lo ext/standard/user_filters.lo ext/standard/uuencode.lo ext/standard/filters.lo ext/standard/proc_open.lo ext/standard/streamsfuncs.lo ext/standard/http.lo ext/tokenizer/tokenizer.lo ext/xml/xml.lo ext/xmlreader/php_xmlreader.lo ext/xmlwriter/php_xmlwriter.lo ext/xsl/php_xsl.lo ext/xsl/xsltprocessor.lo TSRM/TSRM.lo TSRM/tsrm_strtok_r.lo TSRM/tsrm_virtual_cwd.lo main/main.lo main/snprintf.lo main/spprintf.lo main/php_sprintf.lo main/safe_mode.lo main/fopen_wrappers.lo main/alloca.lo main/php_scandir.lo main/php_ini.lo main/SAPI.lo main/rfc1867.lo main/php_content_types.lo main/strlcpy.lo main/strlcat.lo main/mergesort.lo main/reentrancy.lo main/php_variables.lo main/php_ticks.lo main/network.lo main/php_open_temporary_file.lo main/php_logos.lo main/output.lo main/streams/streams.lo main/streams/cast.lo main/streams/memory.lo main/streams/filter.lo main/streams/plain_wrapper.lo main/streams/userspace.lo main/streams/transports.lo main/streams/xp_socket.lo main/streams/mmap.lo Zend/zend_language_parser.lo Zend/zend_language_scanner.lo Zend/zend_ini_parser.lo Zend/zend_ini_scanner.lo Zend/zend_alloc.lo Zend/zend_compile.lo Zend/zend_constants.lo Zend/zend_dynamic_array.lo Zend/zend_execute_API.lo Zend/zend_highlight.lo Zend/zend_llist.lo Zend/zend_opcode.lo Zend/zend_operators.lo Zend/zend_ptr_stack.lo Zend/zend_stack.lo Zend/zend_variables.lo Zend/zend.lo Zend/zend_API.lo Zend/zend_extensions.lo Zend/zend_hash.lo Zend/zend_list.lo Zend/zend_indent.lo Zend/zend_builtin_functions.lo Zend/zend_sprintf.lo Zend/zend_ini.lo Zend/zend_qsort.lo Zend/zend_multibyte.lo Zend/zend_ts_hash.lo Zend/zend_stream.lo Zend/zend_iterators.lo Zend/zend_interfaces.lo Zend/zend_exceptions.lo Zend/zend_strtod.lo Zend/zend_objects.lo Zend/zend_object_handlers.lo Zend/zend_objects_API.lo Zend/zend_mm.lo Zend/zend_default_classes.lo Zend/zend_execute.lo sapi/apache2handler/mod_php5.lo sapi/apache2handler/sapi_apache2.lo sapi/apache2handler/apache_config.lo sapi/apache2handler/php_functions.lo main/internal_functions.lo -lifsql -lifasf -lifgen -lifos -lifgls -lnsl_s -lsec -lcl -lnsl_s /informix/ifx31/lib/esql/checkapi.o -lifglx -lexslt -lexpat -lsybdb -lmhash -lldap -llber -liconv -liconv -lintl -lt1 -lfreetype -lpng -lz -ljpeg -lssl -lcrypto -lcurl -lz -lssl -lcrypto -lm -lnsl -lgcc -lxml2 -lz -liconv -lm -lcurl -lidn -lssl -lcrypto -lz -lxml2 -lz -liconv -lm -lodbc -lxml2 -lz -liconv -lm -lxml2 -lz -liconv -lm -lxml2 -lz -liconv -lm -lxslt -lxml2 -lz -liconv -lm  -o libphp5.la

*** Warning: Linking the shared library libphp5.la against the non-libtool
*** objects  /informix/ifx31/lib/esql/checkapi.o is not portable!
ar: /users/opt/curl/lib/.libs/libcurl.a: No such file or directory
gmake: *** [libphp5.la] Error 9