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cross compile gcc 10.1.0 on linux for avr fails
From: |
Klaus Rudolph |
Subject: |
cross compile gcc 10.1.0 on linux for avr fails |
Date: |
Thu, 16 Jul 2020 10:38:52 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
I try to compile gcc 10.1.0 for target avr. If fails with:
make[2]: Entering directory
'/home/krud/git_my_checkout/first/own_components/gcc_install/gcc/gcc-10.1.0/build/gcc'
g++ -c -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wno-error=format-diag
-Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -DHAVE_CONFIG_H
-DGENERATOR_FILE -fno-PIE -I. -Ibuild -I../../gcc -I../../gcc/build
-I../../gcc/../include -I../../gcc/../libcpp/include \
-o build/genmodes.o ../../gcc/genmodes.c
/opt/avr_10.1.0/avr/bin/as: unrecognized option '--64'
As I see it tries to use gcc to compile and link with avr-as which is
wrong. What did I wrong?
I simply do
make binutils
make gcc
with the following makefile
PREFIX=/opt
VERSION_BINUTILS=2.34
VERSION_GCC=10.1.0
GCC_DOWNLOAD_SUBDIR=gcc-10.1.0
MPC_VERSION=1.0.3
MPFR_VERSION=3.1.4
GMP_VERSION=6.1.0
binutils:
mkdir binutils
( cd binutils; \
wget https://ftp.gnu.org/gnu/binutils/binutils-2.34.tar.xz; \
tar xf binutils-2.34.tar.xz ; \
cd binutils-2.34 ; \
mkdir build ; \
cd build ; \
../configure --target=avr --prefix=$(PREFIX)/avr_$(VERSION_GCC) ;\
make -j8 ; \
sudo make install ; \
)
gcc:
mkdir gcc
( cd gcc; \
wget
https://ftp.gnu.org/gnu/gcc/$(GCC_DOWNLOAD_SUBDIR)/gcc-$(VERSION_GCC).tar.xz
; \
tar xf gcc-$(VERSION_GCC).tar.xz ; \
cd gcc-$(VERSION_GCC)/ ; \
wget
https://gcc.gnu.org/pub/gcc/infrastructure/mpc-$(MPC_VERSION).tar.gz ; \
tar xf mpc-$(MPC_VERSION).tar.gz ; \
mv mpc-$(MPC_VERSION) ./mpc ; \
wget
https://gcc.gnu.org/pub/gcc/infrastructure/mpfr-$(MPFR_VERSION).tar.bz2 ; \
tar xf mpfr-$(MPFR_VERSION).tar.bz2 ; \
mv mpfr-$(MPFR_VERSION) ./mpfr ; \
wget
https://gcc.gnu.org/pub/gcc/infrastructure/gmp-$(GMP_VERSION).tar.bz2 ; \
tar xf gmp-$(GMP_VERSION).tar.bz2 ; \
mv gmp-$(GMP_VERSION) ./gmp ; \
mkdir build ; \
cd build ; \
../configure --prefix=$(PREFIX)/avr_$(VERSION_GCC) --target=avr
--enable-languages=c,c++ --enable-lto --disable-nls --disable-libssp ; \
make -j8 ; \
sudo make install ; \
)
- cross compile gcc 10.1.0 on linux for avr fails,
Klaus Rudolph <=