Mirror all go releases (OpenBSD Make)

Makefile

SRC:=                   1.2.2
SRC+=   1.3     1.3.1   1.3.2   1.3.3
SRC+=   1.4     1.4.1   1.4.2   1.4.3
SRC+=   1.5     1.5.1   1.5.2   1.5.3   1.5.4
SRC+=   1.6     1.6.1   1.6.2   1.6.3   1.6.4
SRC+=   1.7     1.7.1           1.7.3   1.7.4   1.7.5   1.7.6
SRC+=   1.8     1.8.1   1.8.2   1.8.3   1.8.4   1.8.5   1.8.6   1.8.7
SRC+=   1.9     1.9.1   1.9.2   1.9.3   1.9.4   1.9.5   1.9.6   1.9.7
SRC+=   1.10    1.10.1  1.10.2  1.10.3  1.10.4  1.10.5
SRC+=   1.11    1.11.1  1.11.2

BOOT:=  20170518 20170531

TGZ:=   ${SRC:C/^(.*)$/go\1.src.tar.gz/}
TGZ+=   ${BOOT:C/^(.*)$/go1.4-bootstrap-\1.tar.gz/}

all: ${TGZ}

${TGZ}:
        @ftp https://storage.googleapis.com/golang/$@
        @sha256 $@ >> SHA256

check: ${TGZ}
        @sha256 -C SHA256 $?