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# https://www.cse.iitd.ac.in/~cs5070217/csl718/assignment1/ss_install_instructions.html
{
bison,
fetchurl,
flex,
multiStdenv,
stdenv_32bit,
}: let
host = "i686-pc-linux";
target = "sslittle-na-sstrix";
gcc-version = "2.7.2.3";
makeflags = "LANGUAGES=c CC=\"$CC -m32 $CFLAGS\" prefix=$out";
in
multiStdenv.mkDerivation {
pname = "gcc-sslittle-na-sstrix";
version = "1998-08-11"; # !!!
nativeBuildInputs = [flex bison];
sourceRoot = ".";
srcs = [
(fetchTarball {
name = "simpleutils-990811";
url = "https://www.cse.iitd.ac.in/~cs5070217/csl718/simpleutils-990811.tar.gz";
sha256 = "sha256:0w952z382s7ghrxwrad7fd058b1kj5ad1abh8idxwwk47va72cdf";
})
];
# El código es muy viejo y Nix usa opciones muy estrictas por defecto
CFLAGS = "-O3 -Wno-error=format-security";
# Algunas tarballs vienen sin directorio de primer nivel y además requieren arreglos
postUnpack = let
simpletools = fetchurl {
url = "https://www.cse.iitd.ac.in/~cs5070217/csl718/simpletools-2v0.tgz";
sha256 = "sha256-FTDTqyQWZCnuNPmTcu3Hcjgp4pHNoUcC0GOGhSJV9Iw=";
};
gcc-ss = fetchurl {
url = "https://www.cse.iitd.ac.in/~cs5070217/csl718/gcc-${gcc-version}.ss.tar.gz";
sha256 = "sha256-3R3wsLmxoN3MkEW4gaxnhIyTBs0CUiSiH7C1/hF2atM=";
};
ar-and-ranlib = fetchurl {
url = "https://www.cse.iitd.ac.in/~cs5070217/csl718/ar_and_ranlib.tar.gz";
sha256 = "sha256-MRTO6cAg3WeXlk3jDy2lVuiSXDRz1+LLa2XDkBDygMU=";
};
in ''
tar xf ${simpletools}
rm -r gcc-2.6.3
tar xf ${gcc-ss}
mkdir ar-and-ranlib
tar xf ${ar-and-ranlib} -C ar-and-ranlib
chmod -R +w gcc-${gcc-version} ar-and-ranlib
'';
patches = [
./0001-fix-case-of-YY_CURRENT_BUFFER.patch
./0002-define-sys_nerr.patch
./0003-fix-obstack.h-post-increment.patch
./0004-stdarg.h-instead-of-varargs.h.patch
];
postPatch = ''
patchelf \
--set-interpreter "$(<${stdenv_32bit.cc}/nix-support/dynamic-linker-m32)" \
ar-and-ranlib/{ar,ranlib}
'';
configurePhase = ''
BUILD=$PWD
cd $BUILD/simpleutils-990811
./configure --host=${host} --target=${target} --with-gnu-as --with-gnu-ld --prefix=$out
cd $BUILD/gcc-${gcc-version}
./configure --host=${host} --target=${target} --with-gnu-as --with-gnu-ld --prefix=$out
'';
buildPhase = ''
make -C $BUILD/simpleutils-990811
# GCC necesita binutils para compilar
make -C $BUILD/simpleutils-990811 install
cp $BUILD/ar-and-ranlib/{ar,ranlib} $out/${target}/bin/
cd $BUILD/gcc-${gcc-version}
mkdir -p $out/lib
cp patched/sys/cdefs.h $BUILD/${target}/include/sys/cdefs.h
cp -r $BUILD/${target} $out/
cp $BUILD/${target}/lib/{libc.a,crt0.o} $out/lib/
sed -i '130s@-I/usr/include@-I./include@' Makefile
! make ${makeflags}
sed -i 's/\(return "FIXME\\n\)/\1\\/g' insn-output.c
PATH="$out/${target}/bin:$PATH" make ${makeflags}
'';
installPhase = ''
PATH="$out/${target}/bin:$PATH" make -C $BUILD/gcc-${gcc-version} ${makeflags} install
'';
}
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