Can have multiple Qt resource files in a single target. Closes #572.

mesonbuild/modules/qt5.py

@@ -125,14 +125,18 @@ class Qt5Module():
         if len(rcc_files) > 0:
             rcc_kwargs = {'output' : '@BASENAME@.cpp',
                           'arguments' : ['@INPUT@', '-o', '@OUTPUT@']}
-            rcc_gen = build.Generator([self.rcc], rcc_kwargs)
-            rcc_output = build.GeneratedList(rcc_gen)
             qrc_deps = []
             for i in rcc_files:
                 qrc_deps += self.parse_qrc(state, i)
-            rcc_output.extra_depends = qrc_deps
-            [rcc_output.add_file(os.path.join(state.subdir, a)) for a in rcc_files]
-            sources.append(rcc_output)
+            rcc_kwargs = {'input' : rcc_files,
+                    'output' : rcc_files[0] + '.cpp',
+                    'command' : [self.rcc, '-o', '@OUTPUT@', '@INPUT@'],
+                    'depend_files' : qrc_deps,
+                    }
+            res_target = build.CustomTarget(rcc_files[0].replace('.', '_'),
+                                            state.subdir,
+                                            rcc_kwargs)
+            sources.append(res_target)
         if len(ui_files) > 0:
             ui_kwargs = {'output' : 'ui_@BASENAME@.h',
                          'arguments' : ['-o', '@OUTPUT@', '@INPUT@']}

test cases/frameworks/4 qt5/meson.build

@@ -3,10 +3,13 @@ project('qt5 build test', 'cpp')
 qt5 = import('qt5')
 qt5dep = dependency('qt5', modules : ['Core', 'Gui', 'Widgets'])
 
+# The following has two resource files because having two in one target
+# requires you to do it properly or you get linker symbol clashes.
+
 prep = qt5.preprocess(
-  moc_headers : ['mainWindow.h'], # These need to be fed through the moc tool before use. 
-  ui_files : 'mainWindow.ui',     # XML files that need to be compiled with the uic tol.
-  qresources : 'stuff.qrc',       # Resource file for rcc compiler.
+  moc_headers : ['mainWindow.h'],           # These need to be fed through the moc tool before use. 
+  ui_files : 'mainWindow.ui',               # XML files that need to be compiled with the uic tol.
+  qresources : ['stuff.qrc', 'stuff2.qrc'], # Resource file for rcc compiler.
 )
 
 q5exe = executable('qt5app',

test cases/frameworks/4 qt5/stuff.qrc

@@ -2,6 +2,5 @@
 <RCC version="1.0">
   <qresource>
       <file>thing.png</file>
-      <file>thing2.png</file>
   </qresource>
 </RCC>

test cases/frameworks/4 qt5/stuff2.qrc

@@ -0,0 +1,6 @@
+<!DOCTYPE RCC>
+<RCC version="1.0">
+  <qresource>
+      <file>thing2.png</file>
+  </qresource>
+</RCC>