To fix Issue#2164, create infrastructure to compile Maiko for Windows System for Linux v1 as a separate OS from Linux

.github/workflows/Dockerfile_maiko

@@ -18,8 +18,17 @@ COPY . ${INSTALL_LOCATION}
 # Build maiko
 RUN cd ${INSTALL_LOCATION}/bin \
     && ./makeright x cleanup \
-    && ./makeright x
-RUN cd ${INSTALL_LOCATION}/bin \
+    && ./makeright x \
     && if [ "$(./machinetype)" = "x86_64" ]; then \
            ./makeright init; \
        fi
+# Build specially for WSL1 by "fooling" a linux build
+RUN cd ${INSTALL_LOCATION}/bin \
+    && arch="$(./machinetype)" \
+    && if [ "$arch" = "x86_64" ] || [ "$arch" = "aarch64" ]; then \
+           export LDEARCH="${arch}-microsoft-wsl1" \
+           && ./makeright x cleanup \
+           && ./makeright x \
+           && ./makeright init \
+           ; \
+       fi

.github/workflows/buildRelease.yml

@@ -224,7 +224,13 @@ jobs:
           RELEASE_TAG: ${{ steps.tag.outputs.release_tag }}
         run: |
           mkdir -p /tmp/release_tars
-          for OSARCH in "linux.x86_64:linux_amd64" "linux.aarch64:linux_arm64" "linux.armv7l:linux_arm_v7" ;    \
+          for OSARCH in                                                                \
+                        "linux.x86_64:linux_amd64"                                     \
+                        "linux.aarch64:linux_arm64"                                    \
+                        "linux.armv7l:linux_arm_v7"                                    \
+                        "wsl1.x86_64:linux_amd64"                                      \
+                        "wsl1.aarch64:linux_arm64"                                     \
+                        ;                                                              \
             do                                                                         \
               pushd /tmp/docker_images/${OSARCH##*:}/usr/local/interlisp >/dev/null ;  \
               /usr/bin/tar -c -z                                                       \
@@ -246,6 +252,8 @@ jobs:
           artifacts:
             /tmp/release_tars/${{ steps.tag.outputs.release_tag }}-linux.x86_64.tgz,
             /tmp/release_tars/${{ steps.tag.outputs.release_tag }}-linux.aarch64.tgz,
+            /tmp/release_tars/${{ steps.tag.outputs.release_tag }}-wsl1.x86_64.tgz,
+            /tmp/release_tars/${{ steps.tag.outputs.release_tag }}-wsl1.aarch64.tgz,
             /tmp/release_tars/${{ steps.tag.outputs.release_tag }}-linux.armv7l.tgz
           tag: ${{ steps.tag.outputs.release_tag }}
           draft: ${{ needs.inputs.outputs.draft }}

bin/makefile-init-wsl1.aarch64

@@ -0,0 +1,29 @@
+# Options for Windows System for Linux v1, aarch64 processor, X windows, for INIT processing
+
+CC = gcc $(GCC_CFLAGS)
+#CC = clang $(CLANG_CFLAGS)
+
+XFILES = $(OBJECTDIR)xmkicon.o \
+	$(OBJECTDIR)xbbt.o \
+	$(OBJECTDIR)dspif.o \
+	$(OBJECTDIR)xinit.o \
+	$(OBJECTDIR)xscroll.o \
+	$(OBJECTDIR)xcursor.o \
+	$(OBJECTDIR)xlspwin.o \
+	$(OBJECTDIR)xrdopt.o \
+	$(OBJECTDIR)xwinman.o
+
+
+XFLAGS = -DXWINDOW
+
+# OPTFLAGS is normally -O2, for INIT we want unoptimized in case we need to debug it
+OPTFLAGS =  -O0 -g
+DEBUGFLAGS =
+DFLAGS = $(DEBUGFLAGS) $(XFLAGS) -DRELEASE=$(RELEASE) -DNOVERSION -DINIT -D__wsl1__
+
+LDFLAGS = -L/usr/X11/lib -lX11 -lc -lm
+LDELDFLAGS =  -L/usr/X11/lib -lX11 -lc -lm
+
+OBJECTDIR = ../$(RELEASENAME)/
+
+default	: ../$(OSARCHNAME)/ldeinit

bin/makefile-init-wsl1.x86_64

@@ -0,0 +1,29 @@
+# Options for Windows System for Linux v1, Intel x86_64 processor, X windows, for INIT processing
+
+CC = gcc $(GCC_CFLAGS)
+#CC = clang $(CLANG_CFLAGS)
+
+XFILES = $(OBJECTDIR)xmkicon.o \
+	$(OBJECTDIR)xbbt.o \
+	$(OBJECTDIR)dspif.o \
+	$(OBJECTDIR)xinit.o \
+	$(OBJECTDIR)xscroll.o \
+	$(OBJECTDIR)xcursor.o \
+	$(OBJECTDIR)xlspwin.o \
+	$(OBJECTDIR)xrdopt.o \
+	$(OBJECTDIR)xwinman.o
+
+
+XFLAGS = -DXWINDOW
+
+# OPTFLAGS is normally -O2, for INIT we want unoptimized in case we need to debug it
+OPTFLAGS =  -O0 -g
+DEBUGFLAGS =
+DFLAGS = $(DEBUGFLAGS) $(XFLAGS) -DRELEASE=$(RELEASE) -DNOVERSION -DINIT -D__wsl1__
+
+LDFLAGS = -L/usr/X11/lib -lX11 -lc -lm
+LDELDFLAGS =  -L/usr/X11/lib -lX11 -lc -lm
+
+OBJECTDIR = ../$(RELEASENAME)/
+
+default	: ../$(OSARCHNAME)/ldeinit

bin/makefile-wsl1.aarch64-sdl

@@ -0,0 +1,25 @@
+# Options for Windows System for Linux v1, ARM64 and SDL
+
+CC = gcc $(GCC_CFLAGS)
+#CC = clang $(CLANG_CFLAGS)
+
+XFILES = $(OBJECTDIR)sdl.o
+
+#
+#  For SDL version 2
+#      -DSDL=2 in SDLFLAGS and -lSDL2 in LDFLAGS
+#  For SDL version 3
+#      -DSDL=3 in SDLFLAGS and -lSDL3 in LDFLAGS
+#
+SDLFLAGS = -DSDL=2
+
+# OPTFLAGS is normally -O2.
+OPTFLAGS =  -O2 -g3
+DFLAGS = $(SDLFLAGS) -DRELEASE=$(RELEASE) -D__wsl1__
+
+LDFLAGS = -lSDL2 -lm
+LDELDFLAGS =
+
+OBJECTDIR = ../$(RELEASENAME)/
+
+default	: ../$(OSARCHNAME)/lde ../$(OSARCHNAME)/ldesdl

bin/makefile-wsl1.aarch64-x

@@ -0,0 +1,27 @@
+# Options for Windows System for Linux v1, aarch64 and X-Window
+
+CC = gcc $(GCC_CFLAGS)
+#CC = clang $(CLANG_CFLAGS)
+
+XFILES = $(OBJECTDIR)xmkicon.o \
+	$(OBJECTDIR)xbbt.o \
+	$(OBJECTDIR)dspif.o \
+	$(OBJECTDIR)xinit.o \
+	$(OBJECTDIR)xscroll.o \
+	$(OBJECTDIR)xcursor.o \
+	$(OBJECTDIR)xlspwin.o \
+	$(OBJECTDIR)xrdopt.o \
+	$(OBJECTDIR)xwinman.o
+
+XFLAGS = -DXWINDOW
+
+# OPTFLAGS is normally -O2.
+OPTFLAGS =  -O2 -g3
+DFLAGS = $(XFLAGS) -DRELEASE=$(RELEASE) -D__wsl1__
+
+LDFLAGS = -L/usr/X11/lib -lX11 -lc -lm
+LDELDFLAGS =  -L/usr/X11/lib -lX11 -lc -lm
+
+OBJECTDIR = ../$(RELEASENAME)/
+
+default	: ../$(OSARCHNAME)/lde ../$(OSARCHNAME)/ldex

bin/makefile-wsl1.x86_64-sdl

@@ -0,0 +1,25 @@
+# Options for Windows System for Linux v1, Intel x86_64 and SDL
+
+CC = gcc -m64 $(GCC_CFLAGS)
+# CC = clang -m64 $(CLANG_CFLAGS)
+
+XFILES = $(OBJECTDIR)sdl.o
+
+#
+#  For SDL version 2
+#      -DSDL=2 in XFLAGS and -lSDL2 in LDFLAGS
+#  For SDL version 3
+#      -DSDL=3 in XFLAGS and -lSDL3 in LDFLAGS
+#
+XFLAGS = -DSDL=2
+
+# OPTFLAGS is normally -O2.
+OPTFLAGS =  -O2 -g3
+DFLAGS = $(XFLAGS) -DRELEASE=$(RELEASE) -D__wsl1__
+
+LDFLAGS = -lm -lSDL2
+LDELDFLAGS =
+
+OBJECTDIR = ../$(RELEASENAME)/
+
+default	: ../$(OSARCHNAME)/lde ../$(OSARCHNAME)/ldesdl

bin/makefile-wsl1.x86_64-x

@@ -0,0 +1,28 @@
+# Options for Windows System for Linux v1, Intel x86_64 and X-Window
+
+CC = gcc -m64 $(GCC_CFLAGS)
+# CC = clang -m64 $(CLANG_CFLAGS)
+
+XFILES = $(OBJECTDIR)xmkicon.o \
+	$(OBJECTDIR)xbbt.o \
+	$(OBJECTDIR)dspif.o \
+	$(OBJECTDIR)xinit.o \
+	$(OBJECTDIR)xscroll.o \
+	$(OBJECTDIR)xcursor.o \
+	$(OBJECTDIR)xlspwin.o \
+	$(OBJECTDIR)xrdopt.o \
+	$(OBJECTDIR)xwinman.o
+
+
+XFLAGS = -DXWINDOW
+
+# OPTFLAGS is normally -O2.
+OPTFLAGS =  -O2 -g3
+DFLAGS = $(XFLAGS) -DRELEASE=$(RELEASE) -D__wsl1__
+
+LDFLAGS = -L/usr/X11/lib -lX11 -lc -lm
+LDELDFLAGS =  -L/usr/X11/lib -lX11 -lc -lm
+
+OBJECTDIR = ../$(RELEASENAME)/
+
+default	: ../$(OSARCHNAME)/lde ../$(OSARCHNAME)/ldex

bin/osversion

@@ -8,11 +8,14 @@ case "$os" in
         *-*-solaris2*)	        echo sunos5 ;;
         alpha-dec-osf1)		echo osf1 ;;
 	*-apple-darwin*)	echo darwin ;;
-        *-*-linux*)		echo linux ;;
+        *-*-linux*)
+           if [ -n "${WSL_DISTRO_NAME}" ] && [ -z "${WSL_INTEROP}" ];
+           then echo wsl1; else echo linux; fi ;;
         *-*-openbsd*)		echo openbsd ;;
         *-*-freebsd*)		echo freebsd ;;
 	*-*-cygwin*)            echo cygwin ;;
 	*-*-haiku*)             echo haiku ;;
+        *-microsoft-wsl1)       echo wsl1 ;;
 esac
 ### Don't leave the variable set.
 unset os

inc/maiko/platform.h

@@ -38,13 +38,23 @@
 #  define MAIKO_OS_DETECTED 1
 #endif
 
-#ifdef __linux__
+#if defined(__linux__) && !defined(__wsl1__)
 #  define MAIKO_OS_LINUX 1
 #  define MAIKO_OS_NAME "Linux"
 #  define MAIKO_OS_UNIX_LIKE 1
 #  define MAIKO_OS_DETECTED 1
 #endif
 
+#if defined(__linux__) && defined(__wsl1__)
+#  define MAIKO_OS_LINUX 1
+#  define MAIKO_OS_WSL1 1
+#  define MAIKO_OS_NAME "Windows System for Linux v1"
+#  define MAIKO_OS_UNIX_LIKE 1
+#  define MAIKO_EMULATE_TIMER_INTERRUPTS 1
+#  define MAIKO_EMULATE_ASYNC_INTERRUPTS 1
+#  define MAIKO_OS_DETECTED 1
+#endif
+
 #ifdef __NetBSD__
 #  define MAIKO_OS_NETBSD 1
 #  define MAIKO_OS_NAME "NetBSD"