Index: clang-2.7-r2.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-devel/clang/clang-2.7-r2.ebuild,v
retrieving revision 1.1
diff -u -r1.1 clang-2.7-r2.ebuild
--- clang-2.7-r2.ebuild	27 Jul 2010 13:06:47 -0000	1.1
+++ clang-2.7-r2.ebuild	22 Aug 2010 15:05:08 -0000
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/sys-devel/clang/clang-2.7-r2.ebuild,v 1.1 2010/07/27 13:06:47 voyageur Exp $
 
-EAPI=2
+EAPI=3
 
 RESTRICT_PYTHON_ABIS="3.*"
 SUPPORT_PYTHON_ABIS="1"
@@ -17,7 +17,7 @@
 
 LICENSE="UoI-NCSA"
 SLOT="0"
-KEYWORDS="~amd64 ~x86"
+KEYWORDS="~amd64 ~x86 ~ppc-macos"
 IUSE="debug +static-analyzer system-cxx-headers test"
 
 # Note: for LTO support, clang will depend on binutils with gold plugins, and LLVM built after that - http://llvm.org/docs/GoldPlugin.html
@@ -50,7 +50,7 @@
 	# From llvm src_prepare
 	einfo "Fixing install dirs"
 	sed -e 's,^PROJ_docsdir.*,PROJ_docsdir := $(PROJ_prefix)/share/doc/'${PF}, \
-		-e 's,^PROJ_etcdir.*,PROJ_etcdir := /etc/llvm,' \
+		-e 's,^PROJ_etcdir.*,PROJ_etcdir := '"${EPREFIX}"'/etc/llvm,' \
 		-e 's,^PROJ_libdir.*,PROJ_libdir := $(PROJ_prefix)/'$(get_libdir), \
 		-i Makefile.config.in || die "Makefile.config sed failed"
 
@@ -73,6 +73,12 @@
 			--disable-expensive-checks"
 	fi
 
+	# Setup the search path to include the Prefix includes
+	if use prefix ; then
+		CONF_FLAGS="${CONF_FLAGS} \
+			--with-c-include-dirs=${EPREFIX}/usr/include:/usr/include"
+	fi
+
 	if use amd64; then
 		CONF_FLAGS="${CONF_FLAGS} --enable-pic"
 	fi
@@ -127,10 +133,19 @@
 		install-scan-view() {
 			insinto "$(python_get_sitedir)"/clang
 			doins Reporter.py Resources ScanView.py startfile.py
-			touch "${D}"/"$(python_get_sitedir)"/clang/__init__.py
+			touch "${ED}"/"$(python_get_sitedir)"/clang/__init__.py
 		}
 		python_execute_function install-scan-view
 	fi
+	
+	# Fix install_names on Darwin.  The build system is too complicated
+	# to just fix this, so we correct it post-install
+	if [[ ${CHOST} == *-darwin* ]] ; then
+		for lib in libCIndex.dylib ; do
+			install_name_tool -id "${EPREFIX}"/usr/lib/${lib} \
+				"${ED}"/usr/lib/${lib}
+		done
+	fi
 }
 
 pkg_postinst() {