Issue with Linker can't find lib's.

[Ghalib Khan <ghalib dot khan at exaleapsemi dot com>]

Hi

       I tried to a Build Riscv cross Toolchain with upstream sources.

step1: clone sources from http://mirrors.kernel.org/gnu/ binutils_version=2.32 gcc_version=9.1.0 glibc_version=2.29
-----------
& http://ftp.ntu.edu.tw/linux/kernel/v5.x/linux_version.5.1.9

step2: Build with a configuration as below,
--------------
build-binutils-linux
 $ ./configure \
 --target=riscv64-unknown-linux-gnu \
  \
 --prefix=$(INSTALL_DIR) \
 --with-sysroot=$(INSTALL_DIR)/sysroot \
 --disable-multilib \
  \
 --disable-werror \
 --disable-nls \
 --with-expat=yes  \
 --disable-gdb \
 --disable-sim \
 --disable-libdecnumber \
 --disable-readline
 make all
 make install
build-gcc-linux
 $ ./configure \
 --target=riscv64-unknown-linux-gnu \
  \
 --prefix=$(INSTALL_DIR) \
 --with-sysroot=$(INSTALL_DIR)/sysroot \
 --with-newlib \
 --without-headers \
 --disable-shared \
 --disable-threads \
 --with-system-zlib \
 --enable-tls \
 --enable-languages=c \
 --disable-libatomic \
 --disable-libmudflap \
 --disable-libssp \
 --disable-libquadmath \
 --disable-libgomp \
 --disable-nls \
 --disable-bootstrap \
 --src=$(PWD)/gcc-$(gcc_version) \
 --enable-checking=yes \
 --disable-multilib \
 --with-abi=lp64d \
 --with-arch=rv64imafdc \
 CFLAGS_FOR_TARGET="-O2  -mcmodel=medlow" \
 CXXFLAGS_FOR_TARGET="-O2  -mcmodel=medlow"
 make all-gcc
 make install-gcc
 make all-target-libgcc
 make install-target-libgcc

build-glibc-linux
 $ ./configure \
 CC="riscv64-unknown-linux-gnu-gcc " \
 CXX="riscv64-unknown-linux-gnu-g++ " \
 CFLAGS=" -mcmodel=medlow -g -O2 " \
 CXXFLAGS=" -mcmodel=medlow -g -O2 " \
 ASFLAGS=" -mcmodel=medlow " \
 --host=riscv64-unknown-linux-gnu \
 --prefix=$(INSTALL_DIR) \
 --with-sysroot=$(INSTALL_DIR)/sysroot \
 --disable-werror \
 --enable-shared \
 --enable-obsolete-rpc \
 --with-headers=$(INSTALL_DIR)/include  \
 --disable-multilib \
 --enable-add-ons \
 --enable-kernel=$(linux_version) \
  \
 --libdir=$(INSTALL_DIR)/sysroot/usr/lib libc_cv_slibdir=$(INSTALL_DIR)/sysroot/lib libc_cv_rtlddir=$(INSTALL_DIR)/sysroot/lib
build-glibc-linux-headers
 ./configure \
 CC="riscv64-unknown-linux-gnu-gcc " \
 --host=riscv64-unknown-linux-gnu \
 --prefix=$(INSTALL_DIR)/sysroot/usr  \
 --with-sysroot=$(INSTALL_DIR)/sysroot \
 --enable-shared \
 --with-headers=$(INSTALL_DIR)/include \
 --disable-multilib \
 --enable-add-ons \
 --enable-kernel=$(linux_version)

make -C Build/build-glibc-linux-headers install-bootstrap-headers=yes install-headers
make -C Build/build-glibc-linux-headers csu/subdir_lib

make -C Build/build-gcc-linux all-target-libgcc
make -C Build/build-gcc-linux install-target-libgcc

make -C Build/build-glibc-linux all
make -C Build/build-glibc-linux install_root=$(INSTALL_DIR)/sysroot install

make -C Build/build-gcc-linux all
make -C Build/build-gcc-linux install

cp -a $(INSTALL_DIR)/include $(INSTALL_DIR)/sysroot/usr/



step3: Got the Executables, It has all the libraries in the same location but it is unable to find them i don't know why. getting an Error as shown
----------
below,

<home/riscv/install>/bin/../lib/gcc/riscv64-unknown-linux-gnu/9.1.0/../../../../riscv64-unknown-linux-gnu/bin/ld: cannot find <home/riscv/install>/sysroot/lib/libc.so.6 inside <home/riscv/install>/bin/../sysroot
<home/riscv/install>/bin/../lib/gcc/riscv64-unknown-linux-gnu/9.1.0/../../../../riscv64-unknown-linux-gnu/bin/ld: cannot find <home/riscv/install>/sysroot/usr/lib/libc_nonshared.a inside <home/riscv/install>/bin/../sysroot
<home/riscv/install>/bin/../lib/gcc/riscv64-unknown-linux-gnu/9.1.0/../../../../riscv64-unknown-linux-gnu/bin/ld: cannot find <home/riscv/install>/sysroot/lib/ld-linux-riscv64-lp64d.so.1 inside <home/riscv/install>/bin/../sysroot
collect2: error: ld returned 1 exit status

--> Here

can you Help me to Build upstream sources Riscv-gnu-Toolchain.

Regards,
khan.