bmake: fix compilation error and added v20200710 (#17956)

var/spack/repos/builtin/packages/bmake/package.py

@@ -12,6 +12,7 @@ class Bmake(Package):
     homepage = "http://www.crufty.net/help/sjg/bmake.htm"
     url      = "http://www.crufty.net/ftp/pub/sjg/bmake-20180512.tar.gz"
 
+    version('20200710', sha256='6538fc4319ef79d178dca76d3b869f7aa93a9bb7b510df08a7d872c01a56b76c')
     version('20180512', sha256='ac3cd262065fcc20c1dec7c95f06306c8138b3e17025b949343a06a8980a5508')
     version('20171207', sha256='1703667e53a0498c0903b20612ebcbb41b886a94b238624cfeadd91a4111d39a')
 
@@ -20,6 +21,9 @@ class Bmake(Package):
     def patch(self):
         # Do not pre-roff cat pages
         filter_file('MANTARGET?', 'MANTARGET', 'mk/man.mk', string=True)
+        # boot-strap hardcodes the directory it expects to be extracted to
+        filter_file('GetDir /bmake', 'GetDir ' + self.stage.source_path,
+                    'boot-strap', string=True)
 
     def configure(self, spec, prefix):
         sh = which('sh')