Move from vendor to mruby-build directory, point everything at it

go 1.13+ needs this adjustment to compile appropriately with the other
tools we use. `vendor` is special in a modules-only environment.

Signed-off-by: Erik Hollensbe <[email protected]>

Author: Erik Hollensbe

.gitignore

@@ -1,3 +1,3 @@
 build_config.rb
 libmruby.a
-vendor/
+mruby-build

Makefile

@@ -1,9 +1,10 @@
 MRUBY_COMMIT ?= 1.2.0
+MRUBY_VENDOR_DIR ?= mruby-build
 
 all: libmruby.a test
 
 clean:
-	rm -rf vendor
+	rm -rf ${MRUBY_VENDOR_DIR}
 	rm -f libmruby.a
 
 gofmt:
@@ -17,15 +18,15 @@ megacheck:
 	go get honnef.co/go/tools/cmd/megacheck
 	GO111MODULE=off megacheck ./...
 
-libmruby.a: vendor/mruby
-	cd vendor/mruby && ${MAKE}
-	cp vendor/mruby/build/host/lib/libmruby.a .
+libmruby.a: ${MRUBY_VENDOR_DIR}/mruby
+	cd ${MRUBY_VENDOR_DIR}/mruby && ${MAKE}
+	cp ${MRUBY_VENDOR_DIR}/mruby/build/host/lib/libmruby.a .
 
-vendor/mruby:
-	mkdir -p vendor
-	git clone https://github.com/mruby/mruby.git vendor/mruby
-	cd vendor/mruby && git reset --hard && git clean -fdx
-	cd vendor/mruby && git checkout ${MRUBY_COMMIT}
+${MRUBY_VENDOR_DIR}/mruby:
+	mkdir -p ${MRUBY_VENDOR_DIR}
+	git clone https://github.com/mruby/mruby.git ${MRUBY_VENDOR_DIR}/mruby
+	cd ${MRUBY_VENDOR_DIR}/mruby && git reset --hard && git clean -fdx
+	cd ${MRUBY_VENDOR_DIR}/mruby && git checkout ${MRUBY_COMMIT}
 
 test: gofmt lint
 	go test -v

golint.sh

@@ -2,7 +2,7 @@ package mruby
 
 import "unsafe"
 
-// #cgo CFLAGS: -Ivendor/mruby/include
+// #cgo CFLAGS: -Imruby-build/mruby/include
 // #cgo LDFLAGS: ${SRCDIR}/libmruby.a -lm
 // #include <stdlib.h>
 // #include "gomruby.h"