pyrox.dev
1{
2 lib,
3 stdenvNoCC,
4 fetchurl,
5 qemu,
6 writeScript,
7 writeScriptBin,
8 ncurses,
9 bash,
10 coreutils,
11 unixtools,
12}:
13
14let
15
16 # We execute all OpenWatcom binaries in qemu-user, because otherwise
17 # some binaries (most notably the installer itself and wlib) fail to
18 # use the stat() systemcall. The failure mode is that it returns
19 # EOVERFLOW for completely legitimate requests. This seems like an
20 # incompatibility of new Linux kernels to run this ancient binary.
21 wrapLegacyBinary = writeScript "wrapLegacyBinary" ''
22 #!${bash}/bin/bash
23
24 set -eu
25
26 if [ $# -ne 2 ]; then
27 echo "Usage: $0 unwrapped-binary wrapped-binary"
28 exit 1
29 fi
30
31 IN="$(${coreutils}/bin/realpath $1)"
32 OUT="$2"
33 ARGV0="$(basename $2)"
34
35 cat > "$OUT" <<EOF
36 #!${bash}/bin/bash
37
38 TERMINFO=${ncurses}/share/terminfo TERM=vt100 exec ${qemu}/bin/qemu-i386 -0 $ARGV0 $IN "\$@"
39 EOF
40
41 chmod +x "$OUT"
42 '';
43
44 wrapInPlace = writeScriptBin "wrapInPlace" ''
45 #!${bash}/bin/bash
46
47 set -eu
48
49 if [ $# -ne 1 ]; then
50 echo "Usage: $0 unwrapped-binary"
51 exit 1
52 fi
53
54 TARGET="$1"
55
56 mv "$TARGET" "$TARGET-unwrapped"
57 chmod +x "$TARGET-unwrapped"
58
59 exec ${wrapLegacyBinary} "$TARGET-unwrapped" "$TARGET"
60 '';
61
62in
63stdenvNoCC.mkDerivation rec {
64 pname = "${passthru.prettyName}-unwrapped";
65 version = "1.9";
66
67 src = fetchurl {
68 url = "http://ftp.openwatcom.org/install/open-watcom-c-linux-${version}";
69 sha256 = "1wzkvc6ija0cjj5mcyjng5b7hnnc5axidz030c0jh05pgvi4nj7p";
70 };
71
72 nativeBuildInputs = [
73 wrapInPlace
74 unixtools.script
75 ];
76
77 dontUnpack = true;
78 dontConfigure = true;
79
80 buildPhase = ''
81 cp ${src} install-bin-unwrapped
82 wrapInPlace install-bin-unwrapped
83 '';
84
85 installPhase = ''
86 # Command line options to do an unattended install are documented in
87 # https://github.com/open-watcom/open-watcom-v2/blob/master/bld/setupgui/setup.txt
88 script -c "./install-bin-unwrapped -dDstDir=$out -dFullInstall=1 -i"
89
90 for e in $(find $out/binl -type f -executable); do
91 echo "Wrapping $e"
92 wrapInPlace "$e"
93 done
94 '';
95
96 passthru.prettyName = "open-watcom-bin";
97
98 meta = with lib; {
99 description = "Project to maintain and enhance the Watcom C, C++, and Fortran cross compilers and tools";
100 sourceProvenance = with sourceTypes; [ binaryNativeCode ];
101 homepage = "http://www.openwatcom.org/";
102 license = licenses.watcom;
103 platforms = [
104 "x86_64-linux"
105 "i686-linux"
106 ];
107 maintainers = [ maintainers.blitz ];
108 };
109}