diff --git a/lib/prereqs/Gentoo/meta b/lib/prereqs/Gentoo/meta
index b0382df..16453c9 100644
--- a/lib/prereqs/Gentoo/meta
+++ b/lib/prereqs/Gentoo/meta
@@ -1,7 +1,7 @@
 NAME='Gentoo'
 SUPPORTED='yes'
 CHECK_METHOD='egrep "^Gentoo\ Base\ System" /etc/gentoo-release'
-PKG_MGR='emerge -qD ${pkgname}'
+PKG_MGR='emerge -q1Dn ${pkgname}'
 PRE_RUN='emerge -q --sync'
 PKG_CHK='emerge -qp @installed 2>/dev/null | egrep -E "/${pkgname}-[0-9.]+"'
 URL='https://www.gentoo.org/'
diff --git a/lib/prereqs/Gentoo/pkgs b/lib/prereqs/Gentoo/pkgs
index e69de29..d7c67c1 100644
--- a/lib/prereqs/Gentoo/pkgs
+++ b/lib/prereqs/Gentoo/pkgs
@@ -0,0 +1,17 @@
+sys-devel/binutils
+net-misc/curl
+sys-devel/gcc
+dev-vcs/git
+dev-libs/libisoburn
+www-client/lynx
+app-arch/lzma
+sys-devel/make
+sys-fs/mtools
+sys-devel/patch
+dev-lang/perl
+net-misc/rsync
+sys-apps/sed
+sys-fs/squashfs-tools
+sys-boot/syslinux
+app-arch/xz-utils
+sys-libs/zlib
diff --git a/lib/prereqs/Mageia/pkgs b/lib/prereqs/Mageia/pkgs
index e69de29..ab94131 100644
--- a/lib/prereqs/Mageia/pkgs
+++ b/lib/prereqs/Mageia/pkgs
@@ -0,0 +1,21 @@
+binutils
+binutils-devel
+curl
+gcc
+git
+libisofs
+lynx
+make
+mtools
+patch
+perl
+rsync
+sed
+squashfs-tools
+syslinux
+syslinux-devel
+xorriso
+xz
+xz-devel
+zlib
+zlib-devel