Fix incorrect warning when sdk_version is cleared

jmroot · jmroot · commit 8402cf807ff5 · 2020-08-19T23:44:18.000+10:00
diff --git a/src/port1.0/portutil.tcl b/src/port1.0/portutil.tcl
@@ -3386,7 +3386,7 @@ proc _check_xcode_version {} {
                 }
             }
 
-            if {${os.major} >= 18 && [file tail [option configure.sdkroot]] ne "MacOSX[option configure.sdk_version].sdk"} {
+            if {${os.major} >= 18 && [option configure.sdk_version] ne "" && [file tail [option configure.sdkroot]] ne "MacOSX[option configure.sdk_version].sdk"} {
                 ui_warn "The macOS [option configure.sdk_version] SDK does not appear to be installed. Ports may not build correctly."
                 ui_warn "You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install'."
             }

Original file line number	Diff line number	Diff line change
`@@ -3386,7 +3386,7 @@ proc _check_xcode_version {} {`
`3386`	`3386`	`}`
`3387`	`3387`	`}`
`3388`	`3388`
`3389`		`- if {${os.major} >= 18 && [file tail [option configure.sdkroot]] ne "MacOSX[option configure.sdk_version].sdk"} {`
	`3389`	`+ if {${os.major} >= 18 && [option configure.sdk_version] ne "" && [file tail [option configure.sdkroot]] ne "MacOSX[option configure.sdk_version].sdk"} {`
`3390`	`3390`	`ui_warn "The macOS [option configure.sdk_version] SDK does not appear to be installed. Ports may not build correctly."`
`3391`	`3391`	ui_warn "You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install'."
`3392`	`3392`	`}`