1 files changed, 130 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/open-watcom/wrapper.nix b/nixpkgs/pkgs/development/compilers/open-watcom/wrapper.nix
new file mode 100644
index 000000000000..94cca7ab34ce
--- /dev/null
+++ b/nixpkgs/pkgs/development/compilers/open-watcom/wrapper.nix
@@ -0,0 +1,130 @@
+# Arguments that this derivation gets when it is created with `callPackage`
+{ stdenv
+, lib
+, symlinkJoin
+, makeWrapper
+, runCommand
+, file
+}:
+
+open-watcom:
+
+let
+  wrapper =
+    {}:
+    let
+      binDirs = with stdenv.hostPlatform; if isWindows then [
+        (lib.optionalString is64bit "binnt64")
+        "binnt"
+        (lib.optionalString is32bit "binw")
+      ] else if (isDarwin && is64bit) then [
+        "osx64"
+      ] else [
+        (lib.optionalString is64bit "binl64")
+        "binl"
+      ];
+      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 = "${open-watcom.pname}-${open-watcom.version}";
+    in
+    symlinkJoin {
+      inherit name;
+
+      paths = [ open-watcom ];
+
+      buildInputs = [ 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
+            # Darwin target not supported, only host
+            wcl386 -fe=test_c test.c
+            ${lib.optionalString (!stdenv.hostPlatform.isDarwin) "./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
+            # Darwin target not supported, only host
+            wcl386 -fe=test_cpp test.cpp
+            ${lib.optionalString (!stdenv.hostPlatform.isDarwin) "./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