nixpkgs/pkgs/development/compilers/open-watcom/wrapper.nix
2023-01-30 15:18:41 +01:00

143 lines
4.7 KiB
Nix

# Arguments that this derivation gets when it is created with `callPackage`
{ stdenv
, lib
, symlinkJoin
, makeWrapper
, runCommand
, file
}:
open-watcom:
let
wrapper =
{}:
let
archToBindir = with stdenv.hostPlatform; if isx86 then
"bin"
else if isAarch then
"arm"
# we don't support running on AXP
# don't know what MIPS, PPC bindirs are called
else throw "Don't know where ${system} binaries are located!";
binDirs = with stdenv.hostPlatform; if isWindows then [
(lib.optionalString is64bit "${archToBindir}nt64")
"${archToBindir}nt"
(lib.optionalString is32bit "${archToBindir}w")
] else if (isDarwin) then [
(lib.optionalString is64bit "${archToBindir}o64")
# modern Darwin cannot execute 32-bit code anymore
(lib.optionalString is32bit "${archToBindir}o")
] else [
(lib.optionalString is64bit "${archToBindir}l64")
"${archToBindir}l"
];
# TODO
# This works good enough as-is, but should really only be targetPlatform-specific
# but we don't support targeting DOS, OS/2, 16-bit Windows etc Nixpkgs-wide so this needs extra logic
includeDirs = with stdenv.hostPlatform; [
"h"
]
++ lib.optional isWindows "h/nt"
++ lib.optional isLinux "lh";
listToDirs = list: lib.strings.concatMapStringsSep ":" (dir: "${placeholder "out"}/${dir}") list;
name = "${open-watcom.passthru.prettyName}-${open-watcom.version}";
in
symlinkJoin {
inherit name;
paths = [ open-watcom ];
nativeBuildInputs = [ makeWrapper ];
postBuild = ''
mkdir $out/bin
for binDir in ${lib.strings.concatStringsSep " " binDirs}; do
for exe in $(find ${open-watcom}/$binDir \
-type f -executable \
${lib.optionalString stdenv.hostPlatform.isLinux "-not -iname '*.so' -not -iname '*.exe'"} \
); do
if [ ! -f $out/bin/$(basename $exe) ]; then
makeWrapper $exe $out/bin/$(basename $exe) \
--set WATCOM ${open-watcom} \
--prefix PATH : ${listToDirs binDirs} \
--set EDPATH ${open-watcom}/eddat \
--set INCLUDE ${listToDirs includeDirs}
fi
done
done
'';
passthru = {
unwrapped = open-watcom;
tests = let
wrapped = wrapper { };
in {
simple = runCommand "${name}-test-simple" { nativeBuildInputs = [ wrapped ]; } ''
cat <<EOF >test.c
#include <stdio.h>
int main() {
printf ("Testing OpenWatcom C89 compiler.\n");
return 0;
}
EOF
cat test.c
wcl386 -fe=test_c test.c
# Only test execution if hostPlatform is targetable
${lib.optionalString (!stdenv.hostPlatform.isDarwin && !stdenv.hostPlatform.isAarch) "./test_c"}
cat <<EOF >test.cpp
#include <string>
#include <iostream>
int main() {
std::cout << "Testing OpenWatcom C++ library implementation." << std::endl;
watcom::istring HELLO ("HELLO");
if (HELLO != "hello") {
return 1;
}
if (HELLO.find ("ello") != 1) {
return 2;
}
return 0;
}
EOF
cat test.cpp
wcl386 -fe=test_cpp test.cpp
# Only test execution if hostPlatform is targetable
${lib.optionalString (!stdenv.hostPlatform.isDarwin && !stdenv.hostPlatform.isAarch) "./test_cpp"}
touch $out
'';
cross = runCommand "${name}-test-cross" { nativeBuildInputs = [ wrapped file ]; } ''
cat <<EOF >test.c
#include <stdio.h>
int main() {
printf ("Testing OpenWatcom cross-compilation.\n");
return 0;
}
EOF
cat test.c
echo "Test compiling"
wcl386 -bcl=linux -fe=linux test.c
wcl386 -bcl=nt -fe=nt test.c
wcl386 -bcl=dos4g -fe=dos4g test.c
wcl -bcl=windows -fe=windows test.c
wcl -bcl=dos -fe=dos test.c
echo "Test file format"
file ./linux | grep "32-bit" | grep "Linux"
file ./nt.exe | grep "PE32" | grep "Windows"
file ./dos4g.exe | grep "MS-DOS" | grep "LE executable"
file ./windows.exe | grep "MS-DOS" | grep "Windows 3.x"
file ./dos.exe | grep "MS-DOS" | grep -v "LE" | grep -v "Windows 3.x"
touch $out
'';
};
};
inherit (open-watcom) meta;
};
in
lib.makeOverridable wrapper