130 lines
4 KiB
Nix
130 lines
4 KiB
Nix
{ stdenv
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, lib
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, fetchFromGitHub
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, unstableGitUpdater
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, dosbox
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# Docs cause an immense increase in build time, up to 2 additional hours
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, withDocs ? false
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, ghostscript
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, withGUI ? false
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}:
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stdenv.mkDerivation rec {
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pname = "${passthru.prettyName}-unwrapped";
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# nixpkgs-update: no auto update
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version = "unstable-2023-01-30";
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src = fetchFromGitHub {
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owner = "open-watcom";
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repo = "open-watcom-v2";
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rev = "996740acdbb173499ec1bf2ba6c8942f2a374220";
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sha256 = "sha256-9m+0e2v1Hk8jYZHqJwb1mN02WgGDArsWbF7Ut3Z5OIg=";
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};
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postPatch = ''
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patchShebangs *.sh
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for dateSource in bld/wipfc/configure; do
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substituteInPlace $dateSource \
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--replace '`date ' '`date -ud "@$SOURCE_DATE_EPOCH" '
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done
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substituteInPlace bld/watcom/h/banner.h \
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--replace '__DATE__' "\"$(date -ud "@$SOURCE_DATE_EPOCH" +'%b %d %Y')\"" \
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--replace '__TIME__' "\"$(date -ud "@$SOURCE_DATE_EPOCH" +'%T')\""
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substituteInPlace build/makeinit \
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--replace '$+$(%__CYEAR__)$-' "$(date -ud "@$SOURCE_DATE_EPOCH" +'%Y')"
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'' + lib.optionalString (!stdenv.hostPlatform.isDarwin) ''
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substituteInPlace build/mif/local.mif \
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--replace '-static' ""
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'';
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nativeBuildInputs = [
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dosbox
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] ++ lib.optionals withDocs [
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ghostscript
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];
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configurePhase = ''
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runHook preConfigure
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export OWROOT=$(realpath $PWD)
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export OWTOOLS=${if stdenv.cc.isClang then "CLANG" else "GCC"}
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export OWDOCBUILD=${if withDocs then "1" else "0"}
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export OWGHOSTSCRIPTPATH=${lib.optionalString withDocs "${ghostscript}/bin"}
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export OWGUINOBUILD=${if withGUI then "0" else "1"}
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export OWNOBUILD=
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export OWDISTRBUILD=0
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export OWDOSBOX=${dosbox}/bin/dosbox
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export OWVERBOSE=0
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export OWRELROOT=$out
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source cmnvars.sh
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runHook postConfigure
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'';
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buildPhase = ''
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runHook preBuild
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./build.sh build
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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./build.sh cprel
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runHook postInstall
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'';
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# Stripping breaks many tools
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dontStrip = true;
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passthru = {
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prettyName = "open-watcom-v2";
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updateScript = unstableGitUpdater {
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url = "https://github.com/open-watcom/open-watcom-v2.git";
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};
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};
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meta = with lib; {
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description = "The v2 fork of the Open Watcom suite of compilers and tools";
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longDescription = ''
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A fork of Open Watcom: A C/C++/Fortran compiler and assembler suite
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targeting a multitude of architectures (x86, IA-32, Alpha AXP, MIPS,
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PowerPC) and operating systems (DOS, OS/2, Windows, Linux).
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Main differences from Open Watcom 1.9:
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- New two-phase build system - Open Watcom can be built by the host's
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native C/C++ compiler or by itself
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- Code generator properly initializes pointers by DLL symbol addresses
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- DOS tools now support long file names (LFN) if appropriate LFN driver
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is loaded by DOS
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- Open Watcom is ported to 64-bit hosts (Win64, Linux x64)
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- Librarian supports x64 CPU object modules and libraries
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- RDOS 32-bit C run-time compact memory model libraries are fixed
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- Resource compiler and Resource editors support Win64 executables
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- Open Watcom text editor is now self-contained, it can be used as
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standalone tool without any requirements for any additional files or
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configuration
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- Broken C++ compiler pre-compiled header template support is fixed
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- Many C++ compiler crashes are fixed
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- Debugger has no length limit for any used environment variable
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'' + lib.optionalString (!withDocs) ''
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The documentation has been excluded from this build for build time reasons. It can be found here:
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https://github.com/open-watcom/open-watcom-v2/wiki/Open-Watcom-Documentation
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'';
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homepage = "https://open-watcom.github.io";
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license = licenses.watcom;
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platforms = with platforms; windows ++ unix;
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badPlatforms = platforms.riscv ++ [ "powerpc64-linux" "powerpc64le-linux" "mips64el-linux" ];
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maintainers = with maintainers; [ OPNA2608 ];
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};
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}
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