clang

unvendor

06/using-nix/2a0-static-gnumake.nix

@@ -0,0 +1,70 @@
+{ fetchurl, mkDerivationStage2, stage1 }:
+
+let
+  source-tarball-gnumake = fetchurl {
+    # local = /downloads/make-4.4.1.tar.gz;
+    url = "http://ftp.gnu.org/gnu/make/make-4.4.1.tar.gz";
+    sha256 = "dd16fb1d67bfab79a72f5e8390735c49e3e8e70b4945a15ab1f81ddb78658fb3";
+  };
+in
+  mkDerivationStage2 {
+    name = "bootstrap-2a0-static-gnumake";
+    buildInputPaths = [
+      "${stage1.tinycc}/wrappers"
+      "${stage1.protobusybox}/bin"
+    ];
+    script = ''
+        mkdir build-dir; cd build-dir
+      # unpack:
+        unpack ${source-tarball-gnumake}
+      # fixup:
+        sed -i 's|/bin/sh|${stage1.protobusybox}/bin/ash|' \
+                src/job.c build-aux/install-sh po/Makefile.in.in
+        # this is part of stdlib, no idea how it's supposed to not clash
+        rm src/getopt.h
+        for f in src/getopt.c src/getopt1.c lib/fnmatch.c; do :> $f; done
+        for f in lib/glob.c lib/xmalloc.c lib/error.c; do :> $f; done
+      # embrace chaos
+        shuffle_comment='\/\* Handle shuffle mode argument.  \*\/'
+        shuffle_default='if (!shuffle_mode) shuffle_mode = xstrdup(\"random\");'
+        sed -i "s|$shuffle_comment|$shuffle_comment\n$shuffle_default|" \
+               src/main.c
+        grep 'if (!shuffle_mode) shuffle_mode = xstrdup("random");' src/main.c
+      # configure:
+        ash ./configure \
+                --build x86_64-linux \
+                --disable-dependency-tracking \
+                --prefix=$out \
+                CONFIG_SHELL='${stage1.protobusybox}/bin/ash' \
+                SHELL='${stage1.protobusybox}/bin/ash'
+      # bootstrap build:
+        ash ./build.sh
+      # test static GNU Make by remaking it with itself:
+        mv make make-intermediate
+        ./make-intermediate -j $NPROC clean
+        ./make-intermediate -j $NPROC
+      # reconfigure:
+        ash ./configure \
+                --build x86_64-linux \
+                --disable-dependency-tracking \
+                --prefix=$out \
+                CONFIG_SHELL='${stage1.protobusybox}/bin/ash' \
+                SHELL='${stage1.protobusybox}/bin/ash'
+      # rebuild:
+        ash ./build.sh
+      # test:
+        mv make make-intermediate
+        ./make-intermediate -j $NPROC clean
+        ./make-intermediate -j $NPROC CFLAGS=-O2
+      # install:
+        ./make -j $NPROC install
+      # check for build path leaks:
+        ( ! grep -rF $(pwd) $out )
+      # wrap:
+        # FIXME: patch make to use getenv?
+        mkdir -p $out/wrappers; cd $out/wrappers
+        echo "#!${stage1.protobusybox}/bin/ash" > make
+        echo "exec $out/bin/make SHELL=\$SHELL \"\$@\"" \ >> make
+        chmod +x make
+    '';
+  }