Backport fixes from ruby 1.8.7 to fix compilation with newer openssl versions, fixes #254307

(Portage version: 2.1.6.4/cvs/Linux 2.6.27-gentoo-r7 x86_64)

4 files changed, 495 insertions, 2 deletions

diff --git a/dev-lang/ruby/ChangeLog b/dev-lang/ruby/ChangeLog
index 97b78746f526..31be7145f46f 100644
--- a/dev-lang/ruby/ChangeLog
+++ b/dev-lang/ruby/ChangeLog
@@ -1,6 +1,14 @@
 # ChangeLog for dev-lang/ruby
-# Copyright 2002-2008 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/dev-lang/ruby/ChangeLog,v 1.365 2008/12/29 13:58:16 ranger Exp $
+# Copyright 2002-2009 Gentoo Foundation; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/ruby/ChangeLog,v 1.366 2009/01/11 18:21:40 graaff Exp $
+
+*ruby-1.8.6_p287-r11 (11 Jan 2009)
+
+  11 Jan 2009; Hans de Graaff <graaff@gentoo.org>
+  +files/ruby-1.8.6-openssl.patch, +ruby-1.8.7_p287-r4,
+  +ruby-1.8.6_p287-r11.ebuild:
+  Backport conditional definition of missing openssl functions from ruby 1.8.7.
+  Fixes #254307.
 
   29 Dec 2008; Brent Baude <ranger@gentoo.org> ruby-1.8.6_p287-r10.ebuild:
   Marking ruby-1.8.6_p287-r10 ~ppc64 for bug 252315
diff --git a/dev-lang/ruby/files/ruby-1.8.6-openssl.patch b/dev-lang/ruby/files/ruby-1.8.6-openssl.patch
new file mode 100644
index 000000000000..03c35a626c2c
--- /dev/null
+++ b/dev-lang/ruby/files/ruby-1.8.6-openssl.patch
@@ -0,0 +1,157 @@
+This patch backports changes from ruby 1.8.7 which only includes the
+openssl prototypes for functions that are not in the system openssl
+library. This fixes #254307 and protects against similar issues with
+future openssl versions.
+
+diff -u ruby-1.8.6_p287-r10/work/ruby-1.8.6-p287/ext/openssl/extconf.rb ruby-1.8.7_p72-r1/work/ruby-1.8.7-p72/ext/openssl/extconf.rb
+--- ruby-1.8.6_p287-r10/work/ruby-1.8.6-p287/ext/openssl/openssl_missing.c	2007-02-13 00:01:19.000000000 +0100
++++ ruby-1.8.7_p72-r1/work/ruby-1.8.7-p72/ext/openssl/openssl_missing.c	2008-05-19 05:00:52.000000000 +0200
+@@ -22,17 +22,15 @@
+ #include "openssl_missing.h"
+ 
+ #if !defined(HAVE_HMAC_CTX_COPY)
+-int
++void
+ HMAC_CTX_copy(HMAC_CTX *out, HMAC_CTX *in)
+ {
+-    if (!out || !in) return 0;
++    if (!out || !in) return;
+     memcpy(out, in, sizeof(HMAC_CTX));
+ 
+-    if (!EVP_MD_CTX_copy(&out->md_ctx, &in->md_ctx)
+-	    || !EVP_MD_CTX_copy(&out->i_ctx, &in->i_ctx)
+-	    || !EVP_MD_CTX_copy(&out->o_ctx, &in->o_ctx))
+-	return 0;
+-    return 1;
++    EVP_MD_CTX_copy(&out->md_ctx, &in->md_ctx);
++    EVP_MD_CTX_copy(&out->i_ctx, &in->i_ctx);
++    EVP_MD_CTX_copy(&out->o_ctx, &in->o_ctx);
+ }
+ #endif /* HAVE_HMAC_CTX_COPY */
+ #endif /* NO_HMAC */
+diff -u ruby-1.8.6_p287-r10/work/ruby-1.8.6-p287/ext/openssl/openssl_missing.h ruby-1.8.7_p72-r1/work/ruby-1.8.7-p72/ext/openssl/openssl_missing.h
+--- ruby-1.8.6_p287-r10/work/ruby-1.8.6-p287/ext/openssl/openssl_missing.h	2008-08-04 06:43:34.000000000 +0200
++++ ruby-1.8.7_p72-r1/work/ruby-1.8.7-p72/ext/openssl/openssl_missing.h	2008-08-04 06:44:17.000000000 +0200
+@@ -60,14 +60,33 @@
+ 	(char *(*)())d2i_PKCS7_RECIP_INFO, (char *)ri)
+ #endif
+ 
++#if !defined(HAVE_EVP_MD_CTX_INIT)
+ void HMAC_CTX_init(HMAC_CTX *ctx);
+-int HMAC_CTX_copy(HMAC_CTX *out, HMAC_CTX *in);
++#endif
++
++#if !defined(HAVE_HMAC_CTX_COPY)
++void HMAC_CTX_copy(HMAC_CTX *out, HMAC_CTX *in);
++#endif
++
++#if !defined(HAVE_HMAC_CTX_CLEANUP)
+ void HMAC_CTX_cleanup(HMAC_CTX *ctx);
++#endif
+ 
++#if !defined(HAVE_EVP_MD_CTX_CREATE)
+ EVP_MD_CTX *EVP_MD_CTX_create(void);
++#endif
++
++#if !defined(HAVE_EVP_MD_CTX_INIT)
+ void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
++#endif
++
++#if !defined(HAVE_EVP_MD_CTX_CLEANUP)
+ int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
++#endif
++
++#if !defined(HAVE_EVP_MD_CTX_DESTROY)
+ void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
++#endif
+ 
+ #if !defined(HAVE_EVP_CIPHER_CTX_COPY)
+ int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, EVP_CIPHER_CTX *in);
+@@ -111,19 +130,54 @@
+ #define OPENSSL_cleanse(p, l) memset(p, 0, l)
+ #endif
+ 
++#if !defined(HAVE_X509_STORE_SET_EX_DATA)
+ void *X509_STORE_get_ex_data(X509_STORE *str, int idx);
+ int X509_STORE_set_ex_data(X509_STORE *str, int idx, void *data);
++#endif
++
++#if !defined(HAVE_X509_CRL_SET_VERSION)
+ int X509_CRL_set_version(X509_CRL *x, long version);
++#endif
++
++#if !defined(HAVE_X509_CRL_SET_ISSUER_NAME)
+ int X509_CRL_set_issuer_name(X509_CRL *x, X509_NAME *name);
++#endif
++
++#if !defined(HAVE_X509_CRL_SORT)
+ int X509_CRL_sort(X509_CRL *c);
++#endif
++
++#if !defined(HAVE_X509_CRL_ADD0_REVOKED)
+ int X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev);
++#endif
++
++#if !defined(HAVE_BN_MOD_SQR)
+ int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx);
++#endif
++
++#if !defined(HAVE_BN_MOD_ADD)
+ int BN_mod_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx);
++#endif
++
++#if !defined(HAVE_BN_MOD_SUB)
+ int BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx);
++#endif
++
++#if !defined(HAVE_BN_RAND_RANGE)
+ int BN_rand_range(BIGNUM *r, BIGNUM *range);
++#endif
++
++#if !defined(HAVE_BN_PSEUDO_RAND_RANGE)
+ int BN_pseudo_rand_range(BIGNUM *r, BIGNUM *range);
++#endif
++
++#if !defined(HAVE_CONF_GET1_DEFAULT_CONFIG_FILE)
+ char *CONF_get1_default_config_file(void);
++#endif
++
++#if !defined(HAVE_PEM_DEF_CALLBACK)
+ int PEM_def_callback(char *buf, int num, int w, void *key);
++#endif
+ 
+ #if defined(__cplusplus)
+ }
+diff -u ruby-1.8.6_p287-r10/work/ruby-1.8.6-p287/ext/openssl/ossl_hmac.c ruby-1.8.7_p72-r1/work/ruby-1.8.7-p72/ext/openssl/ossl_hmac.c
+--- ruby-1.8.6_p287-r10/work/ruby-1.8.6-p287/ext/openssl/ossl_hmac.c	2007-03-12 05:12:32.000000000 +0100
++++ ruby-1.8.7_p72-r1/work/ruby-1.8.7-p72/ext/openssl/ossl_hmac.c	2008-05-19 05:00:52.000000000 +0200
+@@ -81,12 +87,15 @@
+     GetHMAC(self, ctx1);
+     SafeGetHMAC(other, ctx2);
+ 
+-    if (!HMAC_CTX_copy(ctx1, ctx2)) {
+-	ossl_raise(eHMACError, NULL);
+-    }
++    HMAC_CTX_copy(ctx1, ctx2);
+     return self;
+ }
+ 
++/*
++ *  call-seq:
++ *     hmac.update(string) -> self
++ *
++ */
+ static VALUE
+ ossl_hmac_update(VALUE self, VALUE data)
+ {
+@@ -104,9 +113,7 @@
+ {
+     HMAC_CTX final;
+ 
+-    if (!HMAC_CTX_copy(&final, ctx)) {
+-	ossl_raise(eHMACError, NULL);
+-    }
++    HMAC_CTX_copy(&final, ctx);
+     if (!(*buf = OPENSSL_malloc(HMAC_size(&final)))) {
+ 	HMAC_CTX_cleanup(&final);
+ 	OSSL_Debug("Allocating %d mem", HMAC_size(&final));
diff --git a/dev-lang/ruby/ruby-1.8.6_p287-r11.ebuild b/dev-lang/ruby/ruby-1.8.6_p287-r11.ebuild
new file mode 100644
index 000000000000..373b879713a4
--- /dev/null
+++ b/dev-lang/ruby/ruby-1.8.6_p287-r11.ebuild
@@ -0,0 +1,165 @@
+# Copyright 1999-2009 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/ruby/ruby-1.8.6_p287-r11.ebuild,v 1.1 2009/01/11 18:21:40 graaff Exp $
+
+WANT_AUTOCONF="latest"
+WANT_AUTOMAKE="latest"
+
+ONIGURUMA="onigd2_5_9"
+
+inherit autotools eutils flag-o-matic multilib versionator
+
+MY_P="${PN}-$(replace_version_separator 3 '-')"
+S=${WORKDIR}/${MY_P}
+
+SLOT=$(get_version_component_range 1-2)
+MY_SUFFIX=$(delete_version_separator 1 ${SLOT})
+
+DESCRIPTION="An object-oriented scripting language"
+HOMEPAGE="http://www.ruby-lang.org/"
+SRC_URI="mirror://ruby/${SLOT}/${MY_P}.tar.bz2"
+
+LICENSE="Ruby"
+KEYWORDS="~alpha ~amd64 ~arm ~ia64 ~ppc64 ~s390 ~sh ~sparc ~x86"
+IUSE="berkdb debug doc emacs examples gdbm ipv6 rubytests socks5 ssl threads tk xemacs"
+
+RDEPEND="
+	berkdb? ( sys-libs/db )
+	gdbm? ( sys-libs/gdbm )
+	ssl? ( dev-libs/openssl )
+	socks5? ( >=net-proxy/dante-1.1.13 )
+	tk? ( dev-lang/tk )
+	app-admin/eselect-ruby
+	!=dev-lang/ruby-cvs-${SLOT}*
+	!dev-ruby/rdoc
+	!dev-ruby/rexml"
+DEPEND="${RDEPEND}"
+PDEPEND="emacs? ( app-emacs/ruby-mode )
+	xemacs? ( app-xemacs/ruby-modes )"
+
+PROVIDE="virtual/ruby"
+
+src_unpack() {
+	unpack ${A}
+
+	cd "${S}/ext/dl"
+	epatch "${FILESDIR}/${PN}-1.8.6-memory-leak.diff"
+	cd "${S}"
+
+	epatch "${FILESDIR}/${P}-entity_expansion_limit.diff"
+	epatch "${FILESDIR}/${PN}-1.8.6-shortname_constants.patch"
+	epatch "${FILESDIR}/${PN}-1.8.6-openssl.patch"
+
+	# Fix a hardcoded lib path in configure script
+	sed -i -e "s:\(RUBY_LIB_PREFIX=\"\${prefix}/\)lib:\1$(get_libdir):" \
+		configure.in || die "sed failed"
+
+	eautoreconf
+}
+
+src_compile() {
+	# -fomit-frame-pointer makes ruby segfault, see bug #150413.
+	filter-flags -fomit-frame-pointer
+	# In many places aliasing rules are broken; play it safe
+	# as it's risky with newer compilers to leave it as it is.
+	append-flags -fno-strict-aliasing
+
+	# Socks support via dante
+	if use socks5 ; then
+		# Socks support can't be disabled as long as SOCKS_SERVER is
+		# set and socks library is present, so need to unset
+		# SOCKS_SERVER in that case.
+		unset SOCKS_SERVER
+	fi
+
+	# Increase GC_MALLOC_LIMIT if set (default is 8000000)
+	if [ -n "${RUBY_GC_MALLOC_LIMIT}" ] ; then
+		append-flags "-DGC_MALLOC_LIMIT=${RUBY_GC_MALLOC_LIMIT}"
+	fi
+
+	econf --program-suffix=$MY_SUFFIX --enable-shared \
+		$(use_enable socks5 socks) \
+		$(use_enable doc install-doc) \
+		$(use_enable threads pthread) \
+		$(use_enable ipv6) \
+		$(use_enable debug) \
+		$(use_with berkdb dbm) \
+		$(use_with gdbm) \
+		$(use_with ssl openssl) \
+		$(use_with tk) \
+		${myconf} \
+		--with-sitedir=/usr/$(get_libdir)/ruby/site_ruby \
+		|| die "econf failed"
+
+	emake EXTLDFLAGS="${LDFLAGS}" || die "emake failed"
+}
+
+src_test() {
+	emake -j1 test || die "make test failed"
+
+	elog "Ruby's make test has been run. Ruby also ships with a make check"
+	elog "that cannot be run until after ruby has been installed."
+	elog
+	if use rubytests; then
+		elog "You have enabled rubytests, so they will be installed to"
+		elog "/usr/share/${PN}-${SLOT}/test. To run them you must be a user other"
+		elog "than root, and you must place them into a writeable directory."
+		elog "Then call: "
+		elog
+		elog "ruby -C /location/of/tests runner.rb"
+	else
+		elog "Enable the rubytests USE flag to install the make check tests"
+	fi
+}
+
+src_install() {
+	LD_LIBRARY_PATH="${D}/usr/$(get_libdir)"
+	RUBYLIB="${S}:${D}/usr/$(get_libdir)/ruby/${SLOT}"
+	for d in $(find "${S}/ext" -type d) ; do
+		RUBYLIB="${RUBYLIB}:$d"
+	done
+	export LD_LIBRARY_PATH RUBYLIB
+
+	emake DESTDIR="${D}" install || die "make install failed"
+
+	MINIRUBY=$(echo -e 'include Makefile\ngetminiruby:\n\t@echo $(MINIRUBY)'|make -f - getminiruby)
+	keepdir $(${MINIRUBY} -rrbconfig -e "print Config::CONFIG['sitelibdir']")
+	keepdir $(${MINIRUBY} -rrbconfig -e "print Config::CONFIG['sitearchdir']")
+
+	if use doc; then
+		make DESTDIR="${D}" install-doc || die "make install-doc failed"
+	fi
+
+	if use examples; then
+		dodir /usr/share/doc/${PF}
+		cp -pPR sample "${D}/usr/share/doc/${PF}"
+	fi
+
+	dosym libruby$MY_SUFFIX$(get_libname ${PV%_*}) /usr/$(get_libdir)/libruby$(get_libname ${PV%.*})
+	dosym libruby$MY_SUFFIX$(get_libname ${PV%_*}) /usr/$(get_libdir)/libruby$(get_libname ${PV%_*})
+
+	dodoc ChangeLog NEWS README* ToDo
+
+	if use rubytests; then
+		dodir /usr/share/${PN}-${SLOT}
+		cp -pPR test "${D}/usr/share/${PN}-${SLOT}"
+	fi
+}
+
+pkg_postinst() {
+	if [[ ! -n $(readlink "${ROOT}"usr/bin/ruby) ]] ; then
+		eselect ruby set ruby${MY_SUFFIX}
+	fi
+
+	elog
+	elog "This ebuild is compatible to eselect-ruby"
+	elog "To switch between available Ruby profiles, execute as root:"
+	elog "\teselect ruby set ruby(18|19|...)"
+	elog
+}
+
+pkg_postrm() {
+	if [[ ! -n $(readlink "${ROOT}"usr/bin/ruby) ]] ; then
+		eselect ruby set ruby${MY_SUFFIX}
+	fi
+}
diff --git a/dev-lang/ruby/ruby-1.8.6_p287-r4.ebuild b/dev-lang/ruby/ruby-1.8.6_p287-r4.ebuild
new file mode 100644
index 000000000000..e9edb28baf88
--- /dev/null
+++ b/dev-lang/ruby/ruby-1.8.6_p287-r4.ebuild
@@ -0,0 +1,163 @@
+# Copyright 1999-2008 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/ruby/ruby-1.8.6_p287-r4.ebuild,v 1.1 2009/01/11 18:21:40 graaff Exp $
+
+WANT_AUTOCONF="latest"
+WANT_AUTOMAKE="latest"
+
+ONIGURUMA="onigd2_5_9"
+
+inherit autotools eutils flag-o-matic multilib versionator
+
+MY_P="${PN}-$(replace_version_separator 3 '-')"
+S=${WORKDIR}/${MY_P}
+
+SLOT=$(get_version_component_range 1-2)
+MY_SUFFIX=$(delete_version_separator 1 ${SLOT})
+
+DESCRIPTION="An object-oriented scripting language"
+HOMEPAGE="http://www.ruby-lang.org/"
+SRC_URI="mirror://ruby/${SLOT}/${MY_P}.tar.bz2"
+
+LICENSE="Ruby"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~sparc-fbsd ~x86 ~x86-fbsd"
+IUSE="berkdb debug doc emacs examples gdbm ipv6 rubytests socks5 ssl threads tk xemacs"
+
+RDEPEND="
+	berkdb? ( sys-libs/db )
+	gdbm? ( sys-libs/gdbm )
+	ssl? ( dev-libs/openssl )
+	socks5? ( >=net-proxy/dante-1.1.13 )
+	tk? ( dev-lang/tk )
+	>=dev-ruby/ruby-config-0.3.1
+	!=dev-lang/ruby-cvs-${SLOT}*
+	!dev-ruby/rdoc
+	!dev-ruby/rexml"
+DEPEND="${RDEPEND}"
+PDEPEND="emacs? ( app-emacs/ruby-mode )
+	xemacs? ( app-xemacs/ruby-modes )"
+
+PROVIDE="virtual/ruby"
+
+src_unpack() {
+	unpack ${A}
+
+	cd "${S}/ext/dl"
+	epatch "${FILESDIR}/${PN}-1.8.6-memory-leak.diff"
+	cd "${S}"
+
+	epatch "${FILESDIR}/${P}-entity_expansion_limit.diff"
+	epatch "${FILESDIR}/${PN}-1.8.6-shortname_constants.patch"
+	epatch "${FILESDIR}/${PN}-1.8.6-openssl.patch"
+
+	# Fix a hardcoded lib path in configure script
+	sed -i -e "s:\(RUBY_LIB_PREFIX=\"\${prefix}/\)lib:\1$(get_libdir):" \
+		configure.in || die "sed failed"
+
+	eautoreconf
+}
+
+src_compile() {
+	# -fomit-frame-pointer makes ruby segfault, see bug #150413.
+	filter-flags -fomit-frame-pointer
+	# In many places aliasing rules are broken; play it safe
+	# as it's risky with newer compilers to leave it as it is.
+	append-flags -fno-strict-aliasing
+
+	# Socks support via dante
+	if use socks5 ; then
+		# Socks support can't be disabled as long as SOCKS_SERVER is
+		# set and socks library is present, so need to unset
+		# SOCKS_SERVER in that case.
+		unset SOCKS_SERVER
+	fi
+
+	# Increase GC_MALLOC_LIMIT if set (default is 8000000)
+	if [ -n "${RUBY_GC_MALLOC_LIMIT}" ] ; then
+		append-flags "-DGC_MALLOC_LIMIT=${RUBY_GC_MALLOC_LIMIT}"
+	fi
+
+	econf --program-suffix=$MY_SUFFIX --enable-shared \
+		$(use_enable socks5 socks) \
+		$(use_enable doc install-doc) \
+		$(use_enable threads pthread) \
+		$(use_enable ipv6) \
+		$(use_enable debug) \
+		$(use_with berkdb dbm) \
+		$(use_with gdbm) \
+		$(use_with ssl openssl) \
+		$(use_with tk) \
+		${myconf} \
+		--with-sitedir=/usr/$(get_libdir)/ruby/site_ruby \
+		|| die "econf failed"
+
+	emake EXTLDFLAGS="${LDFLAGS}" || die "emake failed"
+}
+
+src_test() {
+	emake -j1 test || die "make test failed"
+
+	elog "Ruby's make test has been run. Ruby also ships with a make check"
+	elog "that cannot be run until after ruby has been installed."
+	elog
+	if use rubytests; then
+		elog "You have enabled rubytests, so they will be installed to"
+		elog "/usr/share/${PN}-${SLOT}/test. To run them you must be a user other"
+		elog "than root, and you must place them into a writeable directory."
+		elog "Then call: "
+		elog
+		elog "ruby -C /location/of/tests runner.rb"
+	else
+		elog "Enable the rubytests USE flag to install the make check tests"
+	fi
+}
+
+src_install() {
+	LD_LIBRARY_PATH="${D}/usr/$(get_libdir)"
+	RUBYLIB="${S}:${D}/usr/$(get_libdir)/ruby/${SLOT}"
+	for d in $(find "${S}/ext" -type d) ; do
+		RUBYLIB="${RUBYLIB}:$d"
+	done
+	export LD_LIBRARY_PATH RUBYLIB
+
+	emake DESTDIR="${D}" install || die "make install failed"
+
+	MINIRUBY=$(echo -e 'include Makefile\ngetminiruby:\n\t@echo $(MINIRUBY)'|make -f - getminiruby)
+	keepdir $(${MINIRUBY} -rrbconfig -e "print Config::CONFIG['sitelibdir']")
+	keepdir $(${MINIRUBY} -rrbconfig -e "print Config::CONFIG['sitearchdir']")
+
+	if use doc; then
+		make DESTDIR="${D}" install-doc || die "make install-doc failed"
+	fi
+
+	if use examples; then
+		dodir /usr/share/doc/${PF}
+		cp -pPR sample "${D}/usr/share/doc/${PF}"
+	fi
+
+	dosym libruby$MY_SUFFIX$(get_libname ${PV%_*}) /usr/$(get_libdir)/libruby$(get_libname ${PV%.*})
+	dosym libruby$MY_SUFFIX$(get_libname ${PV%_*}) /usr/$(get_libdir)/libruby$(get_libname ${PV%_*})
+
+	dodoc ChangeLog NEWS README* ToDo
+
+	if use rubytests; then
+		dodir /usr/share/${PN}-${SLOT}
+		cp -pPR test "${D}/usr/share/${PN}-${SLOT}"
+	fi
+}
+
+pkg_postinst() {
+
+	if [[ ! -n $(readlink "${ROOT}"usr/bin/ruby) ]] ; then
+		"${ROOT}usr/sbin/ruby-config" ruby$MY_SUFFIX
+	fi
+	elog
+	elog "You can change the default ruby interpreter by ${ROOT}usr/sbin/ruby-config"
+	elog
+}
+
+pkg_postrm() {
+	if [[ ! -n $(readlink "${ROOT}"usr/bin/ruby) ]] ; then
+		"${ROOT}usr/sbin/ruby-config" ruby$MY_SUFFIX
+	fi
+}