4 files changed, 11 insertions, 22 deletions
diff --git a/mesonbuild/dependencies/base.py b/mesonbuild/dependencies/base.py
index f74eabb..6063fd3 100644
--- a/mesonbuild/dependencies/base.py
+++ b/mesonbuild/dependencies/base.py
@@ -115,6 +115,7 @@ class Dependency:
         self.raw_link_args = None
         self.sources = []
         self.methods = self._process_method_kw(kwargs)
+        self.ext_deps = []  # type: List[Dependency]
 
     def __repr__(self):
         s = '<{0} {1}: {2}>'
@@ -152,9 +153,6 @@ class Dependency:
     def get_exe_args(self, compiler):
         return []
 
-    def need_threads(self):
-        return False
-
     def get_pkgconfig_variable(self, variable_name, kwargs):
         raise DependencyException('{!r} is not a pkgconfig dependency'.format(self.name))
 
diff --git a/mesonbuild/dependencies/boost.py b/mesonbuild/dependencies/boost.py
index 6a8050d..62a652a 100644
--- a/mesonbuild/dependencies/boost.py
+++ b/mesonbuild/dependencies/boost.py
@@ -22,6 +22,7 @@ from .. import mesonlib
 from ..environment import detect_cpu_family
 
 from .base import (DependencyException, ExternalDependency)
+from .misc import ThreadDependency
 
 # On windows 3 directory layouts are supported:
 # * The default layout (versioned) installed:
@@ -103,6 +104,8 @@ class BoostDependency(ExternalDependency):
         self.is_multithreading = threading == "multi"
 
         self.requested_modules = self.get_requested(kwargs)
+        if 'thread' in self.requested_modules:
+            self.ext_deps.append(ThreadDependency(environment, kwargs))
 
         self.boost_root = None
         self.boost_roots = []
@@ -488,9 +491,6 @@ class BoostDependency(ExternalDependency):
     def get_sources(self):
         return []
 
-    def need_threads(self):
-        return 'thread' in self.requested_modules
-
 
 # Generated with boost_names.py
 BOOST_LIBS = [
diff --git a/mesonbuild/dependencies/dev.py b/mesonbuild/dependencies/dev.py
index 57a6a96..c911cfa 100644
--- a/mesonbuild/dependencies/dev.py
+++ b/mesonbuild/dependencies/dev.py
@@ -26,6 +26,7 @@ from .base import (
     DependencyException, DependencyMethods, ExternalDependency, PkgConfigDependency,
     strip_system_libdirs, ConfigToolDependency,
 )
+from .misc import ThreadDependency
 
 
 def get_shared_library_suffix(environment, native):
@@ -45,6 +46,7 @@ class GTestDependency(ExternalDependency):
         self.main = kwargs.get('main', False)
         self.src_dirs = ['/usr/src/gtest/src', '/usr/src/googletest/googletest/src']
         self.detect()
+        self.ext_deps.append(ThreadDependency(environment, kwargs))
 
     def detect(self):
         gtest_detect = self.clib_compiler.find_library("gtest", self.env, [])
@@ -83,9 +85,6 @@ class GTestDependency(ExternalDependency):
                 return True
         return False
 
-    def need_threads(self):
-        return True
-
     def log_info(self):
         if self.prebuilt:
             return 'prebuilt'
@@ -118,6 +117,7 @@ class GMockDependency(ExternalDependency):
     def __init__(self, environment, kwargs):
         super().__init__('gmock', environment, 'cpp', kwargs)
         self.main = kwargs.get('main', False)
+        self.ext_deps.append(ThreadDependency(environment, kwargs))
 
         # If we are getting main() from GMock, we definitely
         # want to avoid linking in main() from GTest
@@ -132,10 +132,7 @@ class GMockDependency(ExternalDependency):
         if not gtest_dep.is_found:
             self.is_found = False
             return
-
-        self.compile_args = gtest_dep.compile_args
-        self.link_args = gtest_dep.link_args
-        self.sources = gtest_dep.sources
+        self.ext_deps.append(gtest_dep)
 
         # GMock may be a library or just source.
         # Work with both.
@@ -167,9 +164,6 @@ class GMockDependency(ExternalDependency):
 
         self.is_found = False
 
-    def need_threads(self):
-        return True
-
     def log_info(self):
         if self.prebuilt:
             return 'prebuilt'
@@ -262,6 +256,7 @@ class LLVMDependency(ConfigToolDependency):
             self._set_old_link_args()
         self.link_args = strip_system_libdirs(environment, self.link_args)
         self.link_args = self.__fix_bogus_link_args(self.link_args)
+        self.ext_deps.append(ThreadDependency(environment, kwargs))
 
     @staticmethod
     def __fix_bogus_link_args(args):
@@ -399,9 +394,6 @@ class LLVMDependency(ConfigToolDependency):
 
             self.module_details.append(mod + status)
 
-    def need_threads(self):
-        return True
-
     def log_details(self):
         if self.module_details:
             return 'modules: ' + ', '.join(self.module_details)
diff --git a/mesonbuild/dependencies/misc.py b/mesonbuild/dependencies/misc.py
index f4694ca..219b3d6 100644
--- a/mesonbuild/dependencies/misc.py
+++ b/mesonbuild/dependencies/misc.py
@@ -388,9 +388,8 @@ class ThreadDependency(ExternalDependency):
         super().__init__('threads', environment, None, kwargs)
         self.name = 'threads'
         self.is_found = True
-
-    def need_threads(self):
-        return True
+        self.compile_args = self.clib_compiler.thread_flags(environment)
+        self.link_args = self.clib_compiler.thread_link_flags(environment)
 
 
 class Python3Dependency(ExternalDependency):