diff -ur doxygen.orig/doxygen-1.7.3.ebuild doxygen/doxygen-1.7.3.ebuild
--- doxygen.orig/doxygen-1.7.3.ebuild	2011-03-29 21:01:02.000000000 +0800
+++ doxygen/doxygen-1.7.3.ebuild	2011-11-18 18:03:51.073959129 +0800
@@ -3,8 +3,9 @@
 # $Header: /var/cvsroot/gentoo-x86/app-doc/doxygen/doxygen-1.7.3.ebuild,v 1.7 2011/03/29 12:45:58 jer Exp $
 
 EAPI=3
+PYTHON_DEPEND="doc? 2"
 
-inherit eutils flag-o-matic toolchain-funcs qt4-r2 fdo-mime
+inherit eutils flag-o-matic toolchain-funcs qt4-r2 fdo-mime python
 
 DESCRIPTION="documentation system for C++, C, Java, Objective-C, Python, IDL, and other languages"
 HOMEPAGE="http://www.doxygen.org/"
@@ -19,7 +20,7 @@
 
 RDEPEND="qt4? ( x11-libs/qt-gui:4 )
 	latex? ( >=app-text/texlive-2008[extra] )
-	dev-lang/python
+	doc? ( dev-lang/python )
 	virtual/libiconv
 	media-libs/libpng
 	app-text/ghostscript-gpl
@@ -31,6 +32,13 @@
 
 EPATCH_SUFFIX="patch"
 
+pkg_setup() {
+	if use doc; then
+		python_set_active_version 2
+		python_pkg_setup
+	fi
+}
+
 src_prepare() {
 	# use CFLAGS, CXXFLAGS, LDFLAGS
 	export ECFLAGS="${CFLAGS}" ECXXFLAGS="${CXXFLAGS}" ELDFLAGS="${LDFLAGS}"
@@ -145,7 +153,7 @@
 }
 
 src_install() {
-	make DESTDIR="${D}" MAN1DIR=share/man/man1 \
+	make DESTDIR="${ED}" MAN1DIR=share/man/man1 \
 		install || die '"make install" failed.'
 
 	if use qt4; then
diff -ur doxygen.orig/doxygen-1.7.5.1.ebuild doxygen/doxygen-1.7.5.1.ebuild
--- doxygen.orig/doxygen-1.7.5.1.ebuild	2011-11-17 08:54:31.043981183 +0800
+++ doxygen/doxygen-1.7.5.1.ebuild	2011-11-18 17:56:20.718959266 +0800
@@ -4,8 +4,9 @@
 
 RESTRICT="mirror"
 EAPI=3
+PYTHON_DEPEND="2"
 
-inherit eutils flag-o-matic toolchain-funcs qt4-r2 fdo-mime
+inherit eutils flag-o-matic toolchain-funcs qt4-r2 fdo-mime python
 
 DESCRIPTION="documentation system for C++, C, Java, Objective-C, Python, IDL, and other languages"
 HOMEPAGE="http://www.doxygen.org/"
@@ -19,7 +20,7 @@
 
 RDEPEND="qt4? ( x11-libs/qt-gui:4 )
 	latex? ( >=app-text/texlive-2008[extra] )
-	dev-lang/python
+	doc? ( dev-lang/python )
 	virtual/libiconv
 	media-libs/libpng
 	app-text/ghostscript-gpl
@@ -32,6 +33,13 @@
 
 EPATCH_SUFFIX="patch"
 
+pkg_setup() {
+	if use doc; then
+		python_set_active_version 2
+		python_pkg_setup
+	fi
+}
+
 src_prepare() {
 	# use CFLAGS, CXXFLAGS, LDFLAGS
 	export ECFLAGS="${CFLAGS}" ECXXFLAGS="${CXXFLAGS}" ELDFLAGS="${LDFLAGS}"