Converted a bunch of locations to support different target output path.

backends.py

@@ -69,7 +69,8 @@ class Backend():
         return filename
 
     def get_target_dir(self, target):
-        dirname = target.get_subdir()
+#        dirname = target.get_subdir()
+        dirname = 'meson-out'
         os.makedirs(os.path.join(self.environment.get_build_dir(), dirname), exist_ok=True)
         return dirname
 
@@ -257,8 +258,15 @@ class Backend():
         if not isinstance(target, build.Executable):
             print(target)
             return []
-        prospectives = target.get_transitive_rpaths()
-        return [os.path.join(self.environment.get_build_dir(), i) for i in prospectives if len(i) > 0]
+        prospectives = target.get_transitive_link_deps()
+        result = []
+        for ld in prospectives:
+            if ld == '' or ld == '.':
+                continue
+            dirseg = os.path.join(self.environment.get_build_dir(), self.get_target_dir())
+            if dirseg not in result:
+                result.append(dirseg)
+        return result
 
     def write_test_file(self, datafile):
         arr = []

build.py

@@ -267,13 +267,13 @@ class BuildTarget():
     def extract_all_objects(self):
         return ExtractedObjects(self, self.sources)
 
-    def get_rpaths(self):
-        return self.get_transitive_rpaths()
+    def get_all_link_deps(self):
+        return self.get_transitive_link_deps()
 
-    def get_transitive_rpaths(self):
+    def get_transitive_link_deps(self):
         result = []
         for i in self.link_targets:
-            result += i.get_rpaths()
+            result += i.get_all_link_deps()
         return result
 
     def get_custom_install_dir(self):
@@ -648,8 +648,8 @@ class SharedLibrary(BuildTarget):
     def get_import_filename(self):
         return self.prefix + self.name + '.' + self.importsuffix
 
-    def get_rpaths(self):
-        return [self.subdir] + self.get_transitive_rpaths()
+    def get_all_link_deps(self):
+        return [self] + self.get_transitive_link_deps()
 
     def get_filename(self):
         '''Works on all platforms except OSX, which does its own thing.'''
@@ -744,13 +744,7 @@ class CustomTarget:
                 final_cmd += c.get_command()
             elif isinstance(c, BuildTarget) or isinstance(c, CustomTarget):
                 self.dependencies.append(c)
-                # GIR scanner will attempt to execute this binary but
-                # it assumes that it is in path, so always give it a full path.
-                tmp = c.get_filename()
-                if isinstance(tmp, str):
-                    tmp =[tmp]
-                totarget = [os.path.join('.', c.get_subdir(), i) for i in tmp]
-                final_cmd += totarget
+                final_cmd.append(c)
             elif isinstance(c, list):
                 # Hackety hack, only supports one level of flattening. Should really
                 # work to arbtrary depth.

ninjabackend.py

@@ -198,7 +198,7 @@ class NinjaBackend(backends.Backend):
         for gensource in target.get_generated_sources():
             if isinstance(gensource, build.CustomTarget):
                 for src in gensource.output:
-                    src = os.path.join(gensource.subdir, src)
+                    src = os.path.join(self.get_target_dir(gensource), src)
                     if self.environment.is_source(src) and not self.environment.is_header(src):
                         if is_unity:
                             unity_deps.append(os.path.join(self.environment.get_build_dir(), RawFilename(src)))
@@ -267,15 +267,14 @@ class NinjaBackend(backends.Backend):
             if not tname in self.processed_targets:
                 self.generate_target(t, outfile)
 
-    def hackety_hack(self, hack):
-        if isinstance(hack, list):
-            return hack[0]
-        return hack
-
     def generate_custom_target(self, target, outfile):
-        ofilenames = [os.path.join(target.subdir, i) for i in target.output]
-        # FIXME, should not grab element at zero but rather expand all.
-        deps = [os.path.join(i.get_subdir(), self.hackety_hack(i.get_filename())) for i in target.get_dependencies()]
+        ofilenames = [os.path.join(self.get_target_dir(target), i) for i in target.output]
+        deps = []
+        for i in target.get_dependencies():
+            # FIXME, should not grab element at zero but rather expand all.
+            if isinstance(i, list):
+                i = i[0]
+            deps.append(os.path.join(self.get_target_dir(i), i.get_filename()[0]))
         srcs = []
         for i in target.sources:
             if isinstance(i, str):
@@ -291,9 +290,14 @@ class NinjaBackend(backends.Backend):
             if not isinstance(tmp, list):
                 tmp = [tmp]
             for fname in tmp:
-                elem.add_dep(os.path.join(d.get_subdir(), fname))
+                elem.add_dep(os.path.join(self.get_target_dir(d), fname))
         cmd = []
         for i in target.command:
+            if isinstance(i, build.CustomTarget):
+                # GIR scanner will attempt to execute this binary but
+                # it assumes that it is in path, so always give it a full path.
+                tmp = i.get_filename()[0]
+                i = os.path.join(self.get_target_dir(i), tmp)
             for (j, src) in enumerate(srcs):
                 i = i.replace('@INPUT%d@' % j, src)
             for (j, res) in enumerate(ofilenames):
@@ -302,8 +306,11 @@ class NinjaBackend(backends.Backend):
                 cmd += srcs
             elif i == '@OUTPUT@':
                 cmd += ofilenames
+            elif i == '@OUTDIR@':
+                cmd.append(self.get_target_dir(target))
             else:
                 cmd.append(i)
+
         elem.add_item('COMMAND', cmd)
         elem.add_item('description', 'Generating %s with a custom command.' % target.name)
         elem.write(outfile)
@@ -1190,6 +1197,14 @@ rule FORTRAN_DEP_HACK
                 sargs = compiler.get_include_args(srctreedir)
                 commands += bargs
                 commands += sargs
+        custom_target_include_dirs = []
+        for i in target.generated:
+            if isinstance(i, build.CustomTarget):
+                idir = self.get_target_dir(i)
+                if idir not in custom_target_include_dirs:
+                    custom_target_include_dirs.append(idir)
+        for i in custom_target_include_dirs:
+            commands+= compiler.get_include_args(i)
         if self.environment.coredata.use_pch:
             commands += self.get_pch_include_args(compiler, target)
         crstr = ''
@@ -1359,7 +1374,7 @@ rule FORTRAN_DEP_HACK
                     for dep in d.get_external_deps():
                         commands += dep.get_link_args()
         commands += linker.build_rpath_args(self.environment.get_build_dir(),\
-                                            target.get_rpaths(), target.install_rpath)
+                                            self.determine_rpath_dirs(target), target.install_rpath)
         if self.environment.coredata.coverage:
             commands += linker.get_coverage_link_args()
         commands += extra_args
@@ -1371,6 +1386,15 @@ rule FORTRAN_DEP_HACK
         elem.add_item('LINK_ARGS', commands)
         return elem
 
+    def determine_rpath_dirs(self, target):
+        link_deps = target.get_all_link_deps()
+        result = []
+        for ld in link_deps:
+            prospective = self.get_target_dir(ld)
+            if not prospective in result:
+                result.append(prospective)
+        return result
+
     def get_dependency_filename(self, t):
         if isinstance(t, build.SharedLibrary):
             return os.path.join(self.get_target_private_dir_abs(t), self.get_target_filename(t) + '.symbols')

test cases/common/57 custom target chain/meson.build

@@ -5,17 +5,15 @@ python = find_program('python3')
 comp = '@0@/@1@'.format(meson.current_source_dir(), 'my_compiler.py')
 comp2 = '@0@/@1@'.format(meson.current_source_dir(), 'my_compiler2.py')
 infile = '@0@/@1@'.format(meson.current_source_dir(), 'data_source.txt')
-outfile = '@0@/@1@'.format(meson.current_build_dir(), 'data.dat')
-outfile2 = '@0@/@1@'.format(meson.current_build_dir(), 'data2.dat')
 
 mytarget = custom_target('bindat',
-output : 'data.dat',
-command : [python, comp, infile, outfile],
+  output : 'data.dat',
+  command : [python, comp, infile, '@OUTPUT@'],
 )
 
 mytarget2 = custom_target('bindat2',
-output : 'data2.dat',
-command : [python, comp2, mytarget, outfile2],
-install : true,
-install_dir : 'subdir'
+  output : 'data2.dat',
+  command : [python, comp2, mytarget, '@OUTPUT@'],
+  install : true,
+  install_dir : 'subdir'
 )

test cases/common/61 custom target source output/meson.build

@@ -2,7 +2,7 @@ project('source generation', 'c')
 
 ct = custom_target('gen',
 output : ['mylib.h', 'mylib.c'],
-command : [find_program('generator.py'), meson.current_build_dir()],
+command : [find_program('generator.py'), '@OUTDIR@'],
 )
 
 e = executable('prog', 'main.c', ct)