New comment by Johnnynator on void-packages repository

https://github.com/void-linux/void-packages/pull/36395#issuecomment-1081097494

Comment:
A patch like the following should stop make attempting to recompile everything in do_install.
```diff
@@ -108,9 +108,12 @@
 linux++: WARN += -Wno-missing-field-initializers
 linux++: linux
 
-linux-libs: CFLAGS += -fPIC
-linux-libs: mongoose.o
+CFLAGS += -fPIC
+.PHONY: linux-libs
+linux-libs: libmongoose.a libmongoose.so.$(VERSION)
+libmongoose.so.$(VERSION): mongoose.o
        $(CC) mongoose.o $(LDFLAGS) -shared -o libmongoose.so.$(VERSION)
+libmongoose.a: mongoose.o
        $(AR) rcs libmongoose.a mongoose.o
 
 install: linux-libs
```