specfile + gfortran fixes

cross-compilers/compilers_generic/install-gcc.sh

@@ -17,6 +17,13 @@ pushd ${SRC_DIR}/.build/${CHOST}/build/build-cc-gcc-final/
   make -C ${CHOST}/libgcc prefix=${PREFIX} install
   # rm ${PREFIX}/lib/libgcc_s.so*
 
+  mkdir -p $PREFIX/$CHOST/sysroot/lib
+
+  cp ${SRC_DIR}/gcc_built/$CHOST/sysroot/lib/libgomp.so* $PREFIX/$CHOST/sysroot/lib
+  if [ -e ${SRC_DIR}/gcc_built/$CHOST/sysroot/lib/libquadmath.so* ]; then
+    cp ${SRC_DIR}/gcc_built/$CHOST/sysroot/lib/libquadmath.so* $PREFIX/$CHOST/sysroot/lib
+  fi
+
   make prefix=${PREFIX} install-libcc1
   install -d ${PREFIX}/share/gdb/auto-load/usr/lib
 

cross-compilers/compilers_generic/install-gfortran.sh

@@ -9,23 +9,45 @@ export PATH=${SRC_DIR}/gcc_built/bin:${SRC_DIR}/.build/${CHOST}/buildtools/bin:$
 
 pushd $SRC_DIR/.build/$CHOST/build/build-cc-gcc-final/
 
-make -C $CHOST/libgfortran prefix=$PREFIX install
+# adapted from Arch install script from https://github.com/archlinuxarm/PKGBUILDs/blob/master/core/gcc/PKGBUILD
+# We cannot make install since .la files are not relocatable so libtool deliberately prevents it:
+# libtool: install: error: cannot install `libgfortran.la' to a directory not ending in ${SRC_DIR}/work/gcc_built/${CHOST}/lib/../lib
+make -C $CHOST/libgfortran prefix=$PREFIX all-multi libgfortran.spec ieee_arithmetic.mod ieee_exceptions.mod ieee_features.mod config.h
 if [[ -d $CHOST/libgomp ]]; then
   make -C $CHOST/libgomp prefix=$PREFIX install-nodist_fincludeHEADERS
 fi
 make -C gcc prefix=$PREFIX fortran.install-{common,man,info}
 install -Dm755 gcc/f951 $PREFIX/${_libdir}/f951
 
+mkdir -p $PREFIX/$CHOST/sysroot/lib
+cp $CHOST/libgfortran/libgfortran.spec $PREFIX/$CHOST/sysroot/lib
+
 pushd $PREFIX/bin
   ln -s $CHOST-gfortran $CHOST-f95
 popd
 
 popd
 
+cp ${SRC_DIR}/gcc_built/$CHOST/sysroot/lib/libgfortran.so* $PREFIX/$CHOST/sysroot/lib
 # Install Runtime Library Exception
 install -Dm644 $SRC_DIR/.build/src/gcc-${PKG_VERSION}/COPYING.RUNTIME \
         ${PREFIX}/share/licenses/gcc-fortran/RUNTIME.LIBRARY.EXCEPTION
 
+# generate specfile so that we can patch loader link path
+# link_libgcc should have the gcc's own libraries by default (-R)
+# so that LD_LIBRARY_PATH isn't required for basic libraries.
+#
+# GF method here to create specs file and edit it.  The other methods
+# tried had no effect on the result.  including:
+#   setting LINK_LIBGCC_SPECS on configure
+#   setting LINK_LIBGCC_SPECS on make
+#   setting LINK_LIBGCC_SPECS in gcc/Makefile
+specdir=`dirname $($PREFIX/bin/${CHOST}-gcc -print-libgcc-file-name -no-canonical-prefixes)`
+mv $PREFIX/bin/${CHOST}-gfortran $PREFIX/bin/${CHOST}-gfortran.bin
+echo '#!/bin/sh' > $PREFIX/bin/${CHOST}-gfortran
+echo $PREFIX/bin/${CHOST}-gfortran.bin -specs=$specdir/specs '"$@"' >> $PREFIX/bin/${CHOST}-gfortran
+chmod +x $PREFIX/bin/${CHOST}-gfortran
+
 mkdir -p ${PREFIX}/etc/conda/{de,}activate.d
 cp "${SRC_DIR}"/activate-gfortran.sh ${PREFIX}/etc/conda/activate.d/activate-${PKG_NAME}.sh
 cp "${SRC_DIR}"/deactivate-gfortran.sh ${PREFIX}/etc/conda/deactivate.d/deactivate-${PKG_NAME}.sh