Windows: Remove obsolete support for OMF/DMC/Optlink toolchain

.github/workflows/build_release_template.yml

@@ -227,24 +227,9 @@ jobs:
           # Determine installed LDC version
           LDC=$(head -n 1 < <(ldc2 --version) | cut -d'(' -f2 | cut -d')' -f1)
 
-          # WINDOWS: Fetch additional DM tools
+          # Windows: set LDC_VSDIR
           if [[ "${{ matrix.target }}" == "windows" ]]
           then
-
-            # Fetch DMC (incl. DM make and sppn.exe)
-            curl https://downloads.dlang.org/other/dm857c.zip -o dmc.zip
-            7z x dmc.zip
-            curl http://ftp.digitalmars.com/sppn.zip -o sppn.zip
-            7z x -odm/bin sppn.zip
-
-            # Fetch implib
-            curl http://ftp.digitalmars.com/bup.zip -o bup.zip
-            7z x bup.zip dm/bin/implib.exe
-
-            # Add DM binaries to the path
-            export PATH="$PWD/dm/bin;$PATH"
-
-            # Export VS dir
             export LDC_VSDIR='C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise'
           fi
 

.github/workflows/build_windows.yml

@@ -123,12 +123,6 @@ jobs:
           powershell -command "& { iwr https://github.com/ldc-developers/ldc/releases/download/v$HOST_LDC_VERSION/ldc2-$HOST_LDC_VERSION-windows-multilib.7z -OutFile ldc.7z }"
           7z x ldc.7z
           mv ldc2-$HOST_LDC_VERSION-windows-multilib ldc2
-          powershell -command "& { iwr https://downloads.dlang.org/other/dm857c.zip -OutFile dmc.zip }"
-          7z x dmc.zip
-          powershell -command "& { iwr http://ftp.digitalmars.com/sppn.zip -OutFile sppn.zip }"
-          7z x -odm/bin sppn.zip
-          powershell -command "& { iwr http://ftp.digitalmars.com/bup.zip -OutFile bup.zip }"
-          7z x bup.zip dm/bin/implib.exe
           powershell -command "& { iwr https://nsis.sourceforge.io/mediawiki/images/c/c9/Inetc.zip -OutFile inetc.zip }"
           7z x inetc.zip -y -bb1 '-oc:\Program Files (x86)\NSIS'
       - name: Unzip docs

create_dmd_release/build_all.d

@@ -574,8 +574,6 @@ int main(string[] args)
     immutable isPreRelease = isBranch || !verMatch.captures[4].empty;
     immutable dubTag = isBranch ? gitTag : getDubTag(isPreRelease);
 
-    enum optlink = "optlink.zip";
-    enum libC = "snn.lib";
     enum libCurl = "libcurl-7.68.0-WinSSL-zlib-x86-x64.zip";
     enum mingwtag = "mingw-libs-8.0.0";
     enum mingwlibs = mingwtag ~ ".zip";               enum mingw_sha = hexString!"8c1619234ca8370b742a08a30b13bf9bdb333f842ed0ea02cafe9054c68adc97";
@@ -599,8 +597,6 @@ int main(string[] args)
     const hasWindows = platforms.any!(p => p.os == OS.windows);
     if (hasWindows)
     {
-        fetchFile("http://ftp.digitalmars.com/"~optlink, cacheDir~"/"~optlink);
-        fetchFile("http://ftp.digitalmars.com/"~libC, cacheDir~"/"~libC);
         fetchFile("https://downloads.dlang.org/other/"~libCurl, cacheDir~"/"~libCurl, verifySignature);
         fetchFile("https://downloads.dlang.org/other/"~lld, cacheDir~"/"~lld, verifySignature, lld_sha);
         fetchFile("https://downloads.dlang.org/other/"~lld64, cacheDir~"/"~lld64, verifySignature, lld64_sha);
@@ -628,12 +624,6 @@ int main(string[] args)
 
     if (hasWindows)
     {
-        // add latest optlink
-        extract(cacheDir~"/"~optlink, workDir~"/windows/extraBins/dmd2/windows/bin/");
-        if (exists(workDir~"/windows/extraBins/dmd2/windows/bin/link.exe"))
-            remove(workDir~"/windows/extraBins/dmd2/windows/bin/link.exe");
-        // add latest dmc libC (snn.lib)
-        copyFile(cacheDir~"/"~libC, workDir~"/windows/extraBins/dmd2/windows/lib/"~libC);
         // add libcurl build for windows
         extract(cacheDir~"/"~libCurl, workDir~"/windows/extraBins/");
         // add mingw coff libraries

create_dmd_release/create_dmd_release.d

@@ -8,16 +8,12 @@ Prerequisites to Run:
 - Git
 - Posix: Working gcc toolchain, including GNU make which is not installed on
   FreeBSD by default. On OSX, you can install the gcc toolchain through Xcode.
-- Windows: Working DMC (incl. sppn.exe and implib.exe) and 32/64-bit MSVC
-  toolchains. dmc.exe, DM lib.exe, sppn.exe and implib.exe must be found in PATH,
-  so it's recommended to set the DMC bin dir as *first* dir in PATH.
-  Also, this environment variable must be set:
+- Windows: Working 32/64-bit MSVC toolchains. Also, this environment variable
+  must be set:
     LDC_VSDIR: Visual Studio directory containing the MSVC toolchains
   Examples:
     set LDC_VSDIR="C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\"
 - Windows: A GNU make, found in PATH as mingw32-make (to avoid DM make.exe bundled with DMC).
-- Windows: A version of OPTLINK with the /LA[RGEADDRESSAWARE] flag:
-    <https://github.com/DigitalMars/optlink/commit/475bc5c1fa28eaf899ba4ac1dcfe2ab415db16c6>
 - Windows: Microsoft's HTML Help Workshop on the PATH.
 
 Typical Usage:
@@ -525,10 +521,7 @@ void createRelease(string branch)
         copyFile(cloneDir~"/dmd/generated/"~osDirName~"/release/64/dmd"~exe, releaseBin64Dir~"/dmd"~exe);
         version(Windows)
         {
-            // patch sc.ini to point to optlink.exe in bin folder
-            auto sc_ini = cast(string)std.file.read(cloneDir~"/dmd/compiler/ini/windows/bin/sc.ini");
-            sc_ini = sc_ini.replace(`%@P%\optlink.exe`, `%@P%\..\bin\optlink.exe`);
-            std.file.write(releaseBin64Dir~"/sc.ini", sc_ini);
+            copyFile(cloneDir~"/dmd/compiler/ini/windows/bin/sc.ini", releaseBin64Dir~"/sc.ini");
         }
         copyDir(cloneDir~"/tools/generated/"~osDirName~"/64", releaseBin64Dir, file => !file.endsWith(obj));
         copyFile(cloneDir~"/dub/bin/dub64"~exe, releaseBin64Dir~"/dub"~exe);

create_dmd_release/extras/all/dmd2/README.TXT

@@ -2,24 +2,3 @@
 	Digital Mars D Compiler Package
 	-------------------------------
 
-Windows Programmers:
---------------------
-
-Be sure and also download and install the Digital Mars C/C++ compiler
-toolset ftp://ftp.digitalmars.com/dmc.zip, which contains the linker
-and necessary libraries.
-
-Linux Programmers:
-------------------
-
-You may need to install libstdc++.so.5.
-
-Fedora 6+:
-
-You can get libstdc++.so.5 by installing the 'compat-libstdc++-<XX>' package,
-where '<XX>' varies by distribution but is usually '33'.
-
-Ubuntu 6.06+:
-
-You can get libstdc++.so.5 by installing 'libstdc++5'.
-

create_dmd_release/extras/windows/dmd2/windows/bin/README.TXT

@@ -10,8 +10,6 @@ dustmite.exe	D source code minimizer		https://github.com/CyberShadow/DustMite
 lib.exe		Librarian			http://www.digitalmars.com/ctg/lib.html
 libcurl.dll	Curl Library			https://curl.haxx.se/
 lld-link.exe	LLVM Linker			https://lld.llvm.org/
-make.exe	Make program			http://www.digitalmars.com/ctg/make.html
-optlink.exe	Linker				http://www.digitalmars.com/ctg/optlink.html
 rdmd.exe	Run D program as a script	http://dlang.org/rdmd.html
 replace.exe	Find/replace text in file(s)
 shell.exe	Test script runner		http://www.digitalmars.com/ctg/shell.html

create_dmd_release/extras/windows/dmd2/windows/lib/README.TXT

@@ -2,7 +2,6 @@
 Windows Libraries
 -----------------
 phobos.lib	D runtime library
-snn.lib		Digital Mars C/C++ runtime library
 
 Windows System API Libraries
 ----------------------------

windows/d2-installer-descriptions.nsh

@@ -8,7 +8,6 @@ LangString DESC_SMShortcuts ${LANG_ENGLISH} "Add Shortcuts to the Start Menu to
 LangString DESC_AddD2ToPath ${LANG_ENGLISH} "Modify the PATH environment variable so DMD can be used from any command prompt"
 
 LangString DESC_VisualDDownload ${LANG_ENGLISH} "Visual Studio package providing both project management and language services. It works with Visual Studio 2008-2017 (and the free VS Shells)"
-LangString DESC_DmcDownload ${LANG_ENGLISH} "Digital Mars C/C++ compiler"
 
 
 ; Shortcuts
@@ -23,5 +22,4 @@ LangString SHORTCUT_Uninstall ${LANG_ENGLISH} "Uninstall"
     !insertmacro MUI_DESCRIPTION_TEXT ${StartMenuShortcuts} $(DESC_SMShortcuts)
     !insertmacro MUI_DESCRIPTION_TEXT ${AddD2ToPath} $(DESC_AddD2ToPath)
     !insertmacro MUI_DESCRIPTION_TEXT ${VisualDDownload} $(DESC_VisualDDownload)
-    !insertmacro MUI_DESCRIPTION_TEXT ${DmcDownload} $(DESC_DmcDownload)
 !insertmacro MUI_FUNCTION_DESCRIPTION_END

windows/d2-installer.nsi

@@ -41,14 +41,10 @@
 ; Visual D
 !define VersionVisualD "1.3.1"
 
-; DMC
-!define VersionDMC "857"
-
 ; Update Rarely Needed
 ; --------------------
 ; Files
 !define VisualDFilename "VisualD-v${VersionVisualD}.exe"
-!define DmcFilename "dmc-${VersionDMC}.exe"
 !define VS2013Filename "vs_community2013.exe"
 !define VS2017Filename "vs_community2017.exe"
 !define VS2017BTFilename "vs_BuildTools2017.exe"
@@ -58,15 +54,10 @@
 !define VCRedistx64Filename "vcredist_x64.exe"
 
 ; URLs
-!define BaseURL "https://downloads.dlang.org"
-!define BaseURLAlt "http://ftp.digitalmars.com"
 !define VisualDBaseURL "https://github.com/dlang/visuald/releases/download"
 
 !define VisualDUrl "${VisualDBaseURL}/v${VersionVisualD}/${VisualDFilename}"
 
-!define DmcUrl  "${BaseURL}/other/${DmcFilename}"
-!define DmcAltUrl "${BaseURLAlt}/${DmcFilename}"
-
 !define VS2013Url "http://go.microsoft.com/fwlink/?LinkId=517284"
 !define VS2017Url "https://download.visualstudio.microsoft.com/download/pr/100404311/045b56eb413191d03850ecc425172a7d/vs_Community.exe"
 !define VS2017BuildToolsUrl "https://download.visualstudio.microsoft.com/download/pr/100404314/e64d79b40219aea618ce2fe10ebd5f0d/vs_BuildTools.exe"
@@ -317,11 +308,6 @@ SectionGroup /e "Extras"
   Section /o "Download Visual D" VisualDDownload
     !insertmacro DownloadAndRun ${VisualDFilename} ${VisualDUrl} ""
   SectionEnd
-
-
-  Section /o "Download DMC" DmcDownload
-    !insertmacro DownloadAndRun ${DmcFilename} ${DmcUrl} ${DmcAltUrl}
-  SectionEnd
 SectionGroupEnd
 
 ;--------------------------------------------------------