diff --git a/devel/binutils/PKGCONF b/devel/binutils/PKGCONF
index 2fd4e23..dcd454a 100644
--- a/devel/binutils/PKGCONF
+++ b/devel/binutils/PKGCONF
@@ -1,7 +1,7 @@
 VERSION=2.45
 PACKAGE=binutils
 SRC=${PACKAGE}-${VERSION}.tar.gz
-URL=${SITE_GNU}/binutils/${SRC}
+URL=${SITE_GNU}/${PACKAGE}/${SRC}
 CATEGORY=devel
 DEPENDS=libs/isl
 
diff --git a/devel/cloog/PKGCONF b/devel/cloog/PKGCONF
new file mode 100644
index 0000000..8d455f1
--- /dev/null
+++ b/devel/cloog/PKGCONF
@@ -0,0 +1,25 @@
+VERSION=0.21.1
+PACKAGE=cloog
+SRC=${PACKAGE}-${VERSION}.tar.gz
+URL=git://github.com/periscop/cloog@${PACKAGE}-${VERSION}
+CATEGORY=devel
+DEPENDS="devel/autoconf devel/automake libs/isl devel/libtool"
+
+configure() {
+	echo "Configuring $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	./autogen.sh
+	./configure --with-isl=system
+}
+
+build() {
+	echo "Building $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make -j ${NCPU}
+}
+
+install() {
+	echo "Installing $PACKAGE to ${DESTDIR}"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make install DESTDIR="${DESTDIR}"
+}
diff --git a/devel/libtool/PKGCONF b/devel/libtool/PKGCONF
new file mode 100644
index 0000000..c0b8f7a
--- /dev/null
+++ b/devel/libtool/PKGCONF
@@ -0,0 +1,23 @@
+VERSION=2.5.4
+PACKAGE=libtool
+SRC=${PACKAGE}-${VERSION}.tar.gz
+URL=${SITE_GNU}/${PACKAGE}/${SRC}
+CATEGORY=devel
+
+configure() {
+	echo "Configuring $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	./configure
+}
+
+build() {
+	echo "Building $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make -j ${NCPU}
+}
+
+install() {
+	echo "Installing $PACKAGE to ${DESTDIR}"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make install DESTDIR="${DESTDIR}"
+}
diff --git a/lang/flex/PKGCONF b/lang/flex/PKGCONF
new file mode 100644
index 0000000..a2e3c8f
--- /dev/null
+++ b/lang/flex/PKGCONF
@@ -0,0 +1,25 @@
+VERSION=2.6.4
+PACKAGE=flex
+SRC=${PACKAGE}-${VERSION}.tar.gz
+URL=git://github.com/westes/${PACKAGE}@v${VERSION}
+CATEGORY=devel
+DEPENDS="devel/automake devel/autoconf devel/libtool libs/gettext"
+
+configure() {
+	echo "Configuring $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	./autogen.sh
+	./configure
+}
+
+build() {
+	echo "Building $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make -j ${NCPU}
+}
+
+install() {
+	echo "Installing $PACKAGE to ${DESTDIR}"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make install DESTDIR="${DESTDIR}"
+}
diff --git a/lang/gcc-5/PKGCONF b/lang/gcc-5/PKGCONF
new file mode 100644
index 0000000..91547c9
--- /dev/null
+++ b/lang/gcc-5/PKGCONF
@@ -0,0 +1,54 @@
+VERSION=5.5.0
+PACKAGE=gcc-5
+SRC=gcc-${VERSION}.tar.gz
+URL=${SITE_GNU}/gcc/gcc-${VERSION}/${SRC}
+CATEGORY=lang
+DEPENDS="devel/binutils libs/gmp libs/mpc libs/mpfr devel/cloog"
+
+configure() {
+	echo "Configuring $PACKAGE"
+	cd "${SRCDIR}/gcc-${VERSION}"
+	./configure \
+	    --exec_prefix=/usr/local \
+	    --bindir=/usr/local/bin \
+	    --sbindir=/usr/local/sbin \
+	    --libexecdir=/usr/local/libexec \
+	    --datadir=/usr/local/share \
+	    --sysconfdir=/etc/usr/local \
+	    --sharedstatedir=/usr/local/share \
+	    --localstatedir=/var/usr/local \
+	    --libdir=/usr/local/lib \
+	    --infodir=/usr/local/share/info \
+	    --includedir=/usr/local/include \
+	    --mandir=/usr/local/share/man \
+	    --enable-cloog-backend=isl \
+	    --enable-languages=c,c++,fortran,go,objc \
+	    --enable-libssp \
+	    --enable-nls \
+	    --enable-objc-gc \
+	    --enable-threads=posix \
+	    --program-suffix=-5 \
+	    --with-cloog=/usr/local \
+	    --with-gmp=/usr/local \
+	    --with-included-gettext \
+	    --with-ld=/usr/ccs/bin/ld \
+	    --without-gnu-ld \
+	    --with-libiconv-prefix=/usr/local \
+	    --with-mpfr=/usr/local \
+	    --with-ppl=/usr/local \
+	    --with-system-zlib=/usr/local \
+	    --with-as=/usr/ccs/bin/as \
+	    --without-gnu-as 
+}
+
+build() {
+	echo "Building $PACKAGE"
+	cd "${SRCDIR}/gcc-${VERSION}"
+	make -j ${NCPU}
+}
+
+install() {
+	echo "Installing $PACKAGE to ${DESTDIR}"
+	cd "${SRCDIR}/gcc-${VERSION}"
+	make install DESTDIR="${DESTDIR}"
+}
diff --git a/libs/gettext/PKGCONF b/libs/gettext/PKGCONF
new file mode 100644
index 0000000..c4755e1
--- /dev/null
+++ b/libs/gettext/PKGCONF
@@ -0,0 +1,24 @@
+PACKAGE=gettext
+VERSION=0.26
+SRC=${PACKAGE}-${VERSION}.tar.gz
+URL=${SITE_GNU}/${PACKAGE}/${SRC}
+CATEGORY=libs
+DEPENDS="libs/libiconv"
+
+configure() {
+	echo "Configuring $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	./configure
+}
+
+build() {
+	echo "Building $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make -j ${NCPU}
+}
+
+install() {
+	echo "Installing $PACKAGE to ${DESTDIR}"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make install DESTDIR="${DESTDIR}"
+}
diff --git a/libs/lopsub/PKGCONF b/libs/lopsub/PKGCONF
new file mode 100644
index 0000000..882ccf6
--- /dev/null
+++ b/libs/lopsub/PKGCONF
@@ -0,0 +1,22 @@
+PACKAGE=lopsub
+VERSION=1.0.5-2
+SRC=${PACKAGE}-${VERSION}.tar.gz
+URL=git://git.tuebingen.mpg.de/${PACKAGE}.git@v${VERSION}
+CATEGORY=libs
+DEPENDS=lang/flex
+
+configure() {
+	echo "No configuration needed"
+}
+
+build() {
+	echo "Building $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make -j ${NCPU}
+}
+
+install() {
+	echo "Installing $PACKAGE to ${DESTDIR}"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make install PREFIX="${DESTDIR}"
+}
diff --git a/libs/osl/PKGCONF b/libs/osl/PKGCONF
new file mode 100644
index 0000000..5fb1f82
--- /dev/null
+++ b/libs/osl/PKGCONF
@@ -0,0 +1,21 @@
+PACKAGE=osl
+VERSION=0.2.0
+SRC=${PACKAGE}-${VERSION}.tar.gz
+URL=git://git.tuebingen.mpg.de/osl.git@v${VERSION}
+CATEGORY=libs
+DEPENDS="devel/m4 libs/lopsub"
+
+configure() {
+}
+
+build() {
+	echo "Building $PACKAGE"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make -j ${NCPU}
+}
+
+install() {
+	echo "Installing $PACKAGE to ${DESTDIR}"
+	cd "${SRCDIR}/${PACKAGE}-${VERSION}"
+	make install PREFIX="${DESTDIR}"
+}