[c-host] added new pure C host project, see README.md

c-host/Makefile

@@ -0,0 +1,38 @@
+USE_DXGI ?= 1
+
+CC=gcc.exe
+
+CFLAGS  = -std=gnu99 -Wall -Werror
+CFLAGS += -g -O0
+CFLAGS += -DCOBJMACROS
+CFLAGS += -DINITGUID
+CFLAGS += -I.
+CFLAGS += -I../common
+
+OBJS  = main.o
+
+# if windows
+ifdef OS
+  LDFLAGS = -L./dll
+  OBJS += windebug.o
+
+  ifeq ($(USE_DXGI), 1)
+    CFLAGS += -DUSE_DXGI
+    LIBS   += -ld3d11
+    LIBS   += -ldxgi
+    DLLS   += dll/libd3d11.a
+    OBJS   += capture/dxgi.o
+  endif
+endif
+
+all: $(OBJS) $(DLLS)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o looking-glass-host.exe $(OBJS) $(LIBS)
+
+clean:
+	rm -v $(OBJS) $(DLLS) looking-glass-host.exe
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+%.a: %.def
+	dlltool --def $< --output-lib $@