build: add install target for linux systems

Signed-off-by: leongross <leon.gross@9elements.com>

Author: leongross

GNUmakefile

@@ -2,6 +2,8 @@
 # aliases
 all: tinygo
 
+#SHELL := /usr/bin/env bash
+
 # Default build and source directories, as created by `make llvm-build`.
 LLVM_BUILDDIR ?= llvm-build
 LLVM_PROJECTDIR ?= llvm-project
@@ -36,6 +38,10 @@ GOTESTPKGS ?= ./builder ./cgo ./compileopts ./compiler ./interp ./transform .
 # tinygo binary for tests
 TINYGO ?= $(call detect,tinygo,tinygo $(CURDIR)/build/tinygo)
 
+# isntalltion location defaults
+INSTALL_LOCAL_DIR ?= $(HOME)/go/bin/
+INSTALL_SYSTEM_DIR ?= /usr/bin/
+
 # Check for ccache if the user hasn't set it to on or off.
 ifeq (, $(CCACHE))
     # Use CCACHE for LLVM if possible
@@ -972,3 +978,16 @@ lint:
 spell:
 	# Check for typos in comments. Skip git submodules etc.
 	go run github.com/client9/misspell/cmd/misspell -i 'ackward,devided,extint,inbetween,programmmer,rela' $$( find . -depth 1 -type d  | egrep -w -v 'lib|llvm|src/net' )
+
+install: tinygo build/tinygo$(EXE)
+ifeq ($(OS),Windows_NT)
+	$(error Windows install not supported)
+	exit 1
+else
+ifeq ($(INSTALL_LOCAL),)
+	@if [ -d $(INSTALL_SYSTEM_DIR) ]; then cp build/tinygo $(INSTALL_SYSTEM_DIR); else echo "unable to find local installation directory $(INSTALL_SYSTEM_DIR). Specify custom directory by setting 'INSTALL_SYSTEM_DIR'"; exit 1; fi
+else
+	@if [ -d $(INSTALL_LOCAL_DIR) ]; then cp build/tinygo $(INSTALL_LOCAL_DIR); else echo "unable to find local installation directory $(INSTALL_LOCAL_DIR). Specify custom directory by setting 'INSTALL_LOCAL_DIR'"; exit 1; fi
+endif
+endif
+