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6bfa42218d
gcc provides wrappers for binutils' ar, nm and ranlib executables, which must be used instead when using link-time optimisation. See also: http://manpages.ubuntu.com/manpages/zesty/man1/aarch64-linux-gnu-gcc-ar-5.1.html The upstream version of avr-gcc-ar searches in paths passed to the configure script for the avr-ar binary that it wraps, falling back to searching PATH instead. Thus currently avr-gcc-ar works on Nix, but only if avrbinutils is already in the environment. This change bakes the path to avr-ar into avr-gcc-ar, since its path is known at compile time. It also no longer searches PATH, meaning the user's local environment won't override this path. Note that avr-gcc-nm and avr-gcc-ranlib are compiled from the same source file as avr-gcc-ar, just with different compiler flags. Testing on master (without avrbinutils in the environment): $ nix-build -A avrgcc $ result/bin/avr-gcc-ar --version result/bin/avr-gcc-ar: Cannot find binary 'avr-ar' Testing on branch with this fix: $ nix-build -A avrgcc $ result/bin/avr-gcc-ar --version GNU ar (GNU Binutils) 2.26.20160125 ...
61 lines
1.4 KiB
Nix
61 lines
1.4 KiB
Nix
{ stdenv, fetchurl, gmp, mpfr, libmpc, zlib, avrbinutils, texinfo }:
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let
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version = "5.4.0";
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in
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stdenv.mkDerivation {
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name = "avr-gcc-${version}";
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src = fetchurl {
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url = "mirror://gcc/releases/gcc-${version}/gcc-${version}.tar.bz2";
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sha256 = "0fihlcy5hnksdxk0sn6bvgnyq8gfrgs8m794b1jxwd1dxinzg3b0";
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};
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patches = [
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./avrbinutils-path.patch
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];
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# avrbinutils-path.patch introduces a reference to @avrbinutils@, substitute
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# it now.
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postPatch = ''
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substituteInPlace gcc/gcc-ar.c --subst-var-by avrbinutils ${avrbinutils}
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'';
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buildInputs = [ gmp mpfr libmpc zlib avrbinutils ];
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nativeBuildInputs = [ texinfo ];
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hardeningDisable = [ "format" ];
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stripDebugList= [ "bin" "libexec" ];
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enableParallelBuilding = true;
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configurePhase = ''
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mkdir gcc-build
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cd gcc-build
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../configure \
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--prefix=$out \
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--host=$CHOST \
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--build=$CHOST \
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--target=avr \
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--with-as=${avrbinutils}/bin/avr-as \
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--with-gnu-as \
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--with-gnu-ld \
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--with-ld=${avrbinutils}/bin/avr-ld \
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--with-system-zlib \
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--disable-install-libiberty \
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--disable-nls \
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--disable-libssp \
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--with-dwarf2 \
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--enable-languages=c,c++'';
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meta = with stdenv.lib; {
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description = "GNU Compiler Collection, version ${version} for AVR microcontrollers";
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homepage = http://gcc.gnu.org;
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license = licenses.gpl3Plus;
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platforms = platforms.unix;
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maintainers = with maintainers; [ mguentner ];
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};
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}
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