patch 8.0.0742: terminal feature does not work on MS-Windows

Problem:    Terminal feature does not work on MS-Windows.
Solution:   Use libvterm and libwinpty on MS-Windows. (Yasuhiro Matsumoto)

src/INSTALLpc.txt

@@ -29,10 +29,11 @@ Contents:
 10. Building with Perl support
 11. Building with Ruby support
 12. Building with Tcl support
-13. Windows 3.1
-14. MS-DOS
+13. Building with Terminal support
+14. Windows 3.1
+15. MS-DOS
 
-15. Installing after building from sources
+16. Installing after building from sources
 
 
 The currently preferred method is using the free Visual C++ Toolkit 2008
@@ -702,19 +703,35 @@ Or when using MinGW (as one line):
         TCL=C:\Tcl86 DYNAMIC_TCL=yes TCL_VER=86 TCL_VER_LONG=8.6
 
 
-13. Windows 3.1x
+13. Building with Terminal support
+==================================
+
+Vim with Terminal support can be built with MinGW or Cygwin.
+Terminal support require winpty which provide following two files.
+
+    winpty.dll
+    winpty-agent.dll
+
+You can download following page:
+
+    https://github.com/rprichard/winpty
+
+It don't need header files or libraries. Just put them on your PATH.
+
+
+14. Windows 3.1x
 ================
 
 The Windows 3.1x support was removed in patch 7.4.1364.
 
 
-14. MS-DOS
+15. MS-DOS
 ==========
 
 The MS-DOS support was removed in patch 7.4.1399.
 
 
-15. Installing after building from sources
+16. Installing after building from sources
 ==========================================
 
 [provided by Michael Soyka]

src/Make_cyg_ming.mak

@@ -750,6 +750,7 @@ endif
 
 ifeq ($(TERMINAL),yes)
 OBJ += $(OUTDIR)/terminal.o
+VTERM_LIB = libvterm/.libs/libvterm.a
 endif
 
 
@@ -849,7 +850,7 @@ uninstal.exe: uninstal.c
 	$(CC) $(CFLAGS) -o uninstal.exe uninstal.c $(LIB)
 
 $(TARGET): $(OUTDIR) $(OBJ)
-	$(CC) $(CFLAGS) $(LFLAGS) -o $@ $(OBJ) $(LIB) -lole32 -luuid $(LUA_LIB) $(MZSCHEME_LIBDIR) $(MZSCHEME_LIB) $(PYTHONLIB) $(PYTHON3LIB) $(RUBYLIB)
+	$(CC) $(CFLAGS) $(LFLAGS) -o $@ $(OBJ) $(LIB) -lole32 -luuid $(LUA_LIB) $(MZSCHEME_LIBDIR) $(MZSCHEME_LIB) $(PYTHONLIB) $(PYTHON3LIB) $(RUBYLIB) $(VTERM_LIB)
 
 upx: exes
 	upx gvim.exe
@@ -865,6 +866,9 @@ xxd/xxd.exe: xxd/xxd.c
 GvimExt/gvimext.dll: GvimExt/gvimext.cpp GvimExt/gvimext.rc GvimExt/gvimext.h
 	$(MAKE) -C GvimExt -f Make_ming.mak CROSS=$(CROSS) CROSS_COMPILE=$(CROSS_COMPILE) CXX='$(CXX)' STATIC_STDCPLUS=$(STATIC_STDCPLUS)
 
+libvterm/.libs/libvterm.a :
+	cd libvterm && $(MAKE) libvterm.la
+
 clean:
 	-$(DEL) $(OUTDIR)$(DIRSLASH)*.o
 	-$(DEL) $(OUTDIR)$(DIRSLASH)*.res

src/channel.c

@@ -4643,7 +4643,7 @@ job_still_useful(job_T *job)
  * changed to JOB_ENDED (i.e. after job_status() returned "dead" first or
  * mch_detect_ended_job() returned non-NULL).
  */
-    static void
+    void
 job_cleanup(job_T *job)
 {
     if (job->jv_status != JOB_ENDED)
@@ -4773,7 +4773,7 @@ free_unused_jobs(int copyID, int mask)
 /*
  * Allocate a job.  Sets the refcount to one and sets options default.
  */
-    static job_T *
+    job_T *
 job_alloc(void)
 {
     job_T *job;

src/proto/channel.pro

@@ -55,6 +55,8 @@ void clear_job_options(jobopt_T *opt);
 void free_job_options(jobopt_T *opt);
 int get_job_options(typval_T *tv, jobopt_T *opt, int supported);
 channel_T *get_channel_arg(typval_T *tv, int check_open, int reading, ch_part_T part);
+job_T *job_alloc(void);
+void job_cleanup(job_T *job);
 void job_free_all(void);
 int set_ref_in_job(int copyID);
 void job_unref(job_T *job);

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    742,
 /**/
     741,
 /**/