clang

unvendor

06/using-nix/2a1-static-binutils.nix

@@ -0,0 +1,56 @@
+{ fetchurl, mkDerivationStage2, stage1, static-gnumake }:
+
+let
+  source-tarball-binutils = fetchurl {
+    # local = /downloads/binutils-2.39.tar.xz;
+    url = "https://ftp.gnu.org/gnu/binutils/binutils-2.39.tar.xz";
+    sha256 = "645c25f563b8adc0a81dbd6a41cffbf4d37083a382e02d5d3df4f65c09516d00";
+  };
+in
+  mkDerivationStage2 {
+    name = "bootstrap-2a1-static-binutils";
+    buildInputPaths = [
+      "${stage1.tinycc}/wrappers"
+      "${stage1.protobusybox}/bin"
+      "${static-gnumake}/bin"
+    ];
+    script = ''
+        mkdir build-dir; cd build-dir
+      # unpack:
+        unpack ${source-tarball-binutils}
+      # fixup:
+        sed -i 's|/bin/sh|${stage1.protobusybox}/bin/ash|' \
+                missing install-sh mkinstalldirs
+        # see libtool's 74c8993c178a1386ea5e2363a01d919738402f30
+        sed -i 's/| \$NL2SP/| sort | $NL2SP/' ltmain.sh
+        sed -i 's|__FILE__|"__FILE__"|' \
+          ld/*.c ld/*.h bfd/*.* libctf/*.* opcodes/*.*
+        sed -i 's| -g | |' ld/Makefile*
+      # alias makeinfo to true
+        mkdir aliases
+        ln -s ${stage1.protobusybox}/bin/true aliases/makeinfo
+        PATH="$(pwd)/aliases/:$PATH"
+      # configure:
+        export lt_cv_sys_max_cmd_len=32768
+        export ac_cv_func_strncmp_works=no
+        ash ./configure \
+                CONFIG_SHELL='${stage1.protobusybox}/bin/ash' \
+                SHELL='${stage1.protobusybox}/bin/ash' \
+                CFLAGS='-O2 -D__LITTLE_ENDIAN__=1' \
+                CFLAGS_FOR_TARGET=-O2 \
+                --enable-deterministic-archives \
+                --disable-gprofng \
+                --host x86_64-linux --build x86_64-linux \
+                --prefix=$out
+      # build:
+        make -j $NPROC \
+                all-libiberty all-gas all-bfd all-libctf all-zlib all-gprof
+        make all-ld  # race condition on ld/.deps/ldwrite.Po, serialize
+        make -j $NPROC
+      # install:
+        make -j $NPROC install
+        rm $out/lib/*.la  # broken, reference builddir
+      # check for build path leaks:
+        ( ! grep -rF $(pwd) $out )
+    '';
+  }