[gardening] Use $(…) instead of legacy ….

practicalswift · practicalswift · commit 12a147f8996f · 2016-07-08T20:58:39.000+02:00
diff --git a/utils/build-script-impl b/utils/build-script-impl
@@ -406,7 +406,7 @@ function set_build_options_for_host() {
                         --foundation "$(build_directory ${host} foundation)"
                         --build-dir "$(build_directory ${host} playgroundlogger)"
                         --swift-build-dir "$(build_directory ${host} swift)"
-                        --`python -c 'import sys; print sys.argv[1].lower()' ${PLAYGROUNDLOGGER_BUILD_TYPE}`
+                        --$(python -c 'import sys; print sys.argv[1].lower()' ${PLAYGROUNDLOGGER_BUILD_TYPE})
                     )
                     ;;
                 linux-armv6)

Original file line number	Diff line number	Diff line change
`@@ -406,7 +406,7 @@ function set_build_options_for_host() {`
`406`	`406`	`--foundation "$(build_directory ${host} foundation)"`
`407`	`407`	`--build-dir "$(build_directory ${host} playgroundlogger)"`
`408`	`408`	`--swift-build-dir "$(build_directory ${host} swift)"`
`409`		- --`python -c 'import sys; print sys.argv[1].lower()' ${PLAYGROUNDLOGGER_BUILD_TYPE}`
	`409`	`+ --$(python -c 'import sys; print sys.argv[1].lower()' ${PLAYGROUNDLOGGER_BUILD_TYPE})`
`410`	`410`	`)`
`411`	`411`	`;;`
`412`	`412`	`linux-armv6)`