command: split man-generator code

Move code for generating man pages to man-generator.c
which is no longer a symlink to command.c and just
includes this file for the common code.

.gitignore

@@ -52,7 +52,6 @@ daemons/dmfilemapd
 daemons/lvmetad/
 
 tools/man-generator
-tools/man-generator.c
 
 test/.lib-dir-stamp
 test/.tests-stamp

tools/Makefile.in

@@ -98,7 +98,7 @@ CLEAN_TARGETS = liblvm2cmd.$(LIB_SUFFIX) $(TARGETS_DM) \
 	liblvm2cmd.$(LIB_SUFFIX).$(LIB_VERSION) lvm-static.o \
 	liblvm2cmd-static.a lvm.static lvm-static.d \
 	$(LDDEPS) .exported_symbols_generated cmds.h \
-	command-lines-input.h command-count.h man-generator.c
+	command-lines-input.h command-count.h
 
 ifeq ("@SHARED_LINK@", "yes")
 ifeq ("@CMDLIB@", "yes")
@@ -127,12 +127,6 @@ lvm: $(OBJECTS) lvm.o $(LVMINTERNAL_LIBS)
 	$(Q) $(CC) $(CFLAGS) $(LDFLAGS) $(EXTRA_EXEC_LDFLAGS) $(ELDFLAGS) \
 		-o $@ $+ $(LVMLIBS)
 
-DEFS_man-generator.o += -DMAN_PAGE_GENERATOR
-
-man-generator.c: $(srcdir)/command.c
-	$(SHOW) "    [LN] $@"
-	$(Q) $(LN_S) -f $< $(@F)
-
 man-generator: man-generator.o
 	$(SHOW) "    [CC] $@"
 	$(Q) $(CC) $(CFLAGS) $(CPPFLAGS) -o $@ $(<F)