--- /usr/portage/sys-devel/clang/clang-3.1-r5.ebuild	2012-08-30 14:01:29.000000000 +0400
+++ clang-3.1-r7.ebuild	2012-11-17 00:26:34.000000000 +0400
@@ -19,9 +19,10 @@
 LICENSE="UoI-NCSA"
 SLOT="0"
 KEYWORDS="~amd64 ~arm ~x86 ~amd64-fbsd ~x64-freebsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos"
-IUSE="debug kernel_FreeBSD multitarget +static-analyzer test"
+IUSE="debug +doc kernel_FreeBSD multitarget +python static-analyzer test"
 
-DEPEND="static-analyzer? ( dev-lang/perl )"
+DEPEND="static-analyzer? ( dev-lang/perl )
+        doc? ( app-doc/doxygen )"
 RDEPEND="~sys-devel/llvm-${PV}[multitarget=]"
 
 S=${WORKDIR}/llvm-${PV}.src
@@ -125,7 +126,7 @@
 }
 
 src_compile() {
-	emake VERBOSE=1 KEEP_SYMBOLS=1 REQUIRES_RTTI=1 clang-only
+    emake KEEP_SYMBOLS=1 REQUIRES_RTTI=1 clang-only
 }
 
 src_test() {
@@ -148,6 +149,15 @@
 src_install() {
 	cd "${S}"/tools/clang || die "cd clang failed"
 	emake KEEP_SYMBOLS=1 DESTDIR="${D}" install
+    # ATTENTION There is some BUG in a clang Makefiles: doxygened htmls won't
+    # install w/ `make install`...
+    if use doc; then
+        cd "${S}"/tools/clang/docs || die "cd clang/docs failed"
+        emake ENABLE_DOXYGEN=1 BUILD_FOR_WEBSITE=1 DESTDIR="${D}" install-doxygen
+        cd ..
+        # TODO `make install-doxygen` in clang is UGLY! Need to clean *.md5 and *.map
+        # files from installed API documentation!
+    fi
 
 	if use static-analyzer ; then
 		dobin tools/scan-build/ccc-analyzer
@@ -168,6 +178,15 @@
 		python_execute_function install-scan-view
 	fi
 
+    if use python; then
+        cd ${S}/tools/clang/bindings/python/clang
+        install-cindex() {
+            insinto "$(python_get_sitedir)"/clang
+            doins cindex.py __init__.py
+        }
+        python_execute_function install-cindex
+    fi
+
 	# Fix install_names on Darwin.  The build system is too complicated
 	# to just fix this, so we correct it post-install
 	if [[ ${CHOST} == *-darwin* ]] ; then