[74403] trunk/dports/_resources/port1.0/group/xcodeversion-1.0.tcl

[ryandesign at macports.org]

Revision: 74403
          http://trac.macports.org/changeset/74403
Author:   ryandesign at macports.org
Date:     2010-12-15 11:33:15 -0800 (Wed, 15 Dec 2010)
Log Message:
-----------
xcodeversion-1.0.tcl: check for existence of Xcode before trying to check its version; see #27682

Modified Paths:
--------------
    trunk/dports/_resources/port1.0/group/xcodeversion-1.0.tcl

Modified: trunk/dports/_resources/port1.0/group/xcodeversion-1.0.tcl
===================================================================
--- trunk/dports/_resources/port1.0/group/xcodeversion-1.0.tcl	2010-12-15 18:15:21 UTC (rev 74402)
+++ trunk/dports/_resources/port1.0/group/xcodeversion-1.0.tcl	2010-12-15 19:33:15 UTC (rev 74403)
@@ -45,11 +45,24 @@
 
 platform macosx {
     pre-extract {
-        set current_xcodeversion [exec defaults read ${developer_dir}/Applications/Xcode.app/Contents/Info CFBundleShortVersionString]
+        set xcode_app ${developer_dir}/Applications/Xcode.app
+        if {![file exists ${xcode_app}]} {
+            ui_error "Couldn't find Xcode; expected it to be at ${xcode_app}."
+            ui_error ""
+            ui_error "If you have not installed Xcode, install it now; see:"
+            ui_error "http://guide.macports.org/chunked/installing.xcode.html"
+            ui_error ""
+            ui_error "If you have installed Xcode in a nonstandard location, inform MacPorts"
+            ui_error "of that location by changing the 'developer_dir' variable in"
+            ui_error "${prefix}/etc/macports/macports.conf"
+            ui_error ""
+            return -code error "unable to find Xcode"
+        }
+        set current_xcodeversion [exec defaults read ${xcode_app}/Contents/Info CFBundleShortVersionString]
         foreach {darwin_major minimum_xcodeversion} [join ${minimum_xcodeversions}] {
             if {${darwin_major} == ${os.major}} {
                 if {[rpm-vercomp ${current_xcodeversion} ${minimum_xcodeversion}] < 0} {
-                    ui_msg "On Mac OS X ${macosx_version}, ${name} ${version} requires Xcode ${minimum_xcodeversion} or later but you have Xcode ${current_xcodeversion}."
+                    ui_error "On Mac OS X ${macosx_version}, ${name} ${version} requires Xcode ${minimum_xcodeversion} or later but you have Xcode ${current_xcodeversion}."
                     return -code error "incompatible Xcode version"
                 }
             }
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