Index: gcc-4.4.7.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-devel/gcc/gcc-4.4.7.ebuild,v
retrieving revision 1.23
diff -u -r1.23 gcc-4.4.7.ebuild
--- gcc-4.4.7.ebuild	1 Jun 2015 14:48:13 -0000	1.23
+++ gcc-4.4.7.ebuild	22 Jun 2015 15:58:41 -0000
@@ -6,7 +6,14 @@
 
 PATCH_VER="1.2"
 UCLIBC_VER="1.0"
-
+# gnatboot-* images used by old gnatbuild.eclass are still supported to
+# ease bootgcc-* image creation for previously gnatboot-supported archs
+BOOTGCC_SRC_URI="
+	amd64? ( mirror://gentoo/bootgcc-4.4.7-amd64.tar.xz )
+	ppc?   ( mirror://gentoo/gnatboot-4.1-ppc.tar.bz2 )
+	x86?   ( mirror://gentoo/gnatboot-4.1-i386.tar.bz2 )
+	sparc? ( mirror://gentoo/gnatboot-4.3-sparc.tar.bz2 )
+"
 inherit eutils toolchain
 
 KEYWORDS="alpha amd64 arm hppa ia64 ~m68k ~mips ppc ppc64 ~s390 ~sh sparc x86 ~x86-fbsd"
Index: gcc-4.5.4.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-devel/gcc/gcc-4.5.4.ebuild,v
retrieving revision 1.22
diff -u -r1.22 gcc-4.5.4.ebuild
--- gcc-4.5.4.ebuild	1 Jun 2015 14:48:13 -0000	1.22
+++ gcc-4.5.4.ebuild	22 Jun 2015 15:58:41 -0000
@@ -6,7 +6,9 @@
 
 PATCH_VER="1.2"
 UCLIBC_VER="1.0"
-
+BOOTGCC_SRC_URI="
+	amd64? ( mirror://gentoo/bootgcc-4.4.7-amd64.tar.xz )
+"
 inherit eutils toolchain
 
 KEYWORDS="alpha amd64 arm hppa ia64 ~m68k ~mips ppc ppc64 ~s390 ~sh sparc x86 ~amd64-fbsd ~x86-fbsd"
Index: gcc-4.6.4.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-devel/gcc/gcc-4.6.4.ebuild,v
retrieving revision 1.19
diff -u -r1.19 gcc-4.6.4.ebuild
--- gcc-4.6.4.ebuild	27 May 2015 16:01:17 -0000	1.19
+++ gcc-4.6.4.ebuild	22 Jun 2015 15:58:41 -0000
@@ -6,6 +6,9 @@
 
 PATCH_VER="1.3"
 UCLIBC_VER="1.0"
+BOOTGCC_SRC_URI="
+	amd64? ( mirror://gentoo/bootgcc-4.4.7-amd64.tar.xz )
+"
 
 # Hardened gcc 4 stuff
 PIE_VER="0.5.2"
Index: gcc-4.7.4.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-devel/gcc/gcc-4.7.4.ebuild,v
retrieving revision 1.14
diff -u -r1.14 gcc-4.7.4.ebuild
--- gcc-4.7.4.ebuild	27 May 2015 16:01:17 -0000	1.14
+++ gcc-4.7.4.ebuild	22 Jun 2015 15:58:41 -0000
@@ -6,6 +6,9 @@
 
 PATCH_VER="1.3"
 UCLIBC_VER="1.0"
+BOOTGCC_SRC_URI="
+	amd64? ( mirror://gentoo/bootgcc-4.4.7-amd64.tar.xz )
+"
 
 # Hardened gcc 4 stuff
 PIE_VER="0.5.5"
Index: gcc-4.8.4.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-devel/gcc/gcc-4.8.4.ebuild,v
retrieving revision 1.15
diff -u -r1.15 gcc-4.8.4.ebuild
--- gcc-4.8.4.ebuild	27 May 2015 16:01:17 -0000	1.15
+++ gcc-4.8.4.ebuild	22 Jun 2015 15:58:41 -0000
@@ -6,6 +6,9 @@
 
 PATCH_VER="1.6"
 UCLIBC_VER="1.0"
+BOOTGCC_SRC_URI="
+	amd64? ( mirror://gentoo/bootgcc-4.4.7-amd64.tar.xz )
+"
 
 # Hardened gcc 4 stuff
 PIE_VER="0.6.1"
Index: gcc-4.9.2.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-devel/gcc/gcc-4.9.2.ebuild,v
retrieving revision 1.20
diff -u -r1.20 gcc-4.9.2.ebuild
--- gcc-4.9.2.ebuild	14 Jun 2015 17:58:37 -0000	1.20
+++ gcc-4.9.2.ebuild	22 Jun 2015 15:58:41 -0000
@@ -6,6 +6,9 @@
 
 PATCH_VER="1.5"
 UCLIBC_VER="1.0"
+BOOTGCC_SRC_URI="
+	amd64? ( mirror://gentoo/bootgcc-4.4.7-amd64.tar.xz )
+"
 
 # Hardened gcc 4 stuff
 PIE_VER="0.6.2"
Index: gcc-5.1.0.ebuild
===================================================================
RCS file: /var/cvsroot/gentoo-x86/sys-devel/gcc/gcc-5.1.0.ebuild,v
retrieving revision 1.4
diff -u -r1.4 gcc-5.1.0.ebuild
--- gcc-5.1.0.ebuild	27 May 2015 16:01:17 -0000	1.4
+++ gcc-5.1.0.ebuild	22 Jun 2015 15:58:41 -0000
@@ -6,6 +6,9 @@
 
 PATCH_VER="1.1"
 UCLIBC_VER="1.0"
+BOOTGCC_SRC_URI="
+	amd64? ( mirror://gentoo/bootgcc-4.4.7-amd64.tar.xz )
+"
 
 # Hardened gcc 4 stuff
 PIE_VER="0.6.3"