Merge branch 'makefile-freebsd' into 'master'

RFC: bsd-compatible makefile

The "shell" function -- $(shell cmd), to execute cmd in the shell -- is a GNU extensions. There are two options: one of them is to use the grave accent, as in this proposed change; the other is to use the shell assignment operator "!=", originally found in BSDs and implemented by GNU make later.

See merge request !197

Makefile

@@ -181,7 +181,7 @@ gitlab-workhorse/.git/pull:
 influxdb-setup:	influxdb/influxdb.conf influxdb/bin/influxd influxdb/meta/meta.db
 influxdb/bin/influxd:
-	cd influxdb && make
+	cd influxdb && ${MAKE}
 influxdb/meta/meta.db:	Procfile
 	grep '^influxdb:' Procfile || (printf ',s/^#influxdb/influxdb/\nwq\n' | ed -s Procfile)
@@ -193,7 +193,7 @@ influxdb/influxdb.conf:
 grafana-setup:	grafana/grafana.ini grafana/bin/grafana-server grafana/gdk-pg-created grafana/gdk-data-source-created
 grafana/bin/grafana-server:
-	cd grafana && make
+	cd grafana && ${MAKE}
 grafana/grafana.ini:
 	sed -e "s|/home/git|${gitlab_development_root}|g" \

lib/gdk.rb

@@ -5,6 +5,7 @@
 module GDK
   PROGNAME = 'gdk'
+  MAKE = RUBY_PLATFORM =~ /bsd/ ? 'gmake' : 'make'
   # This function is called from bin/gdk. It must return true/false or
   # an exit code.
@@ -13,11 +14,11 @@ module GDK
     when 'run'
       exec('./run', *ARGV, chdir: $gdk_root)
     when 'install'
-      exec('make', *ARGV, chdir: $gdk_root)
+      exec(MAKE, *ARGV, chdir: $gdk_root)
     when 'update'
-      exec('make', 'update', chdir: $gdk_root)
+      exec(MAKE, 'update', chdir: $gdk_root)
     when 'reconfigure'
-      exec('make', 'clean-config', 'all', chdir: $gdk_root)
+      exec(MAKE, 'clean-config', 'all', chdir: $gdk_root)
     when 'help'
       puts File.read(File.join($gdk_root, 'HELP'))
       true