fix for cross-builds targeting macosx

mesonbuild/compilers.py

@@ -103,23 +103,19 @@ msvc_buildtype_args = {'plain': [],
                        'minsize': ["/MD", "/Zi", "/Os", "/Ob1"],
                        }
 
-gnulike_buildtype_linker_args = {}
+apple_buildtype_linker_args = {'plain': [],
-
-
-if mesonlib.is_osx():
-    gnulike_buildtype_linker_args.update({'plain': [],
                                'debug': [],
                                'debugoptimized': [],
                                'release': [],
                                'minsize': [],
-                                          })
+                               }
-else:
+
-    gnulike_buildtype_linker_args.update({'plain': [],
+gnulike_buildtype_linker_args = {'plain': [],
                                  'debug': [],
                                  'debugoptimized': [],
                                  'release': ['-Wl,-O1'],
                                  'minsize': [],
-                                          })
+                                 }
 
 msvc_buildtype_linker_args = {'plain': [],
                               'debug': [],
@@ -286,12 +282,12 @@ def get_base_link_args(options, linker, is_shared_module):
     except KeyError:
         pass
     try:
-        if not is_shared_module and options['b_lundef'].value:
+        if not is_shared_module and 'b_lundef' in linker.base_options and options['b_lundef'].value:
             args.append('-Wl,--no-undefined')
     except KeyError:
         pass
     try:
-        if options['b_asneeded'].value:
+        if 'b_asneeded' in linker.base_options and options['b_asneeded'].value:
             args.append('-Wl,--as-needed')
     except KeyError:
         pass
@@ -2128,6 +2124,8 @@ class GnuCompiler:
         return gnulike_buildtype_args[buildtype]
 
     def get_buildtype_linker_args(self, buildtype):
+        if self.gcc_type == GCC_OSX:
+            return apple_buildtype_linker_args[buildtype]
         return gnulike_buildtype_linker_args[buildtype]
 
     def get_always_args(self):
@@ -2275,6 +2273,8 @@ class ClangCompiler():
         return gnulike_buildtype_args[buildtype]
 
     def get_buildtype_linker_args(self, buildtype):
+        if self.clang_type == CLANG_OSX:
+            return apple_buildtype_linker_args[buildtype]
         return gnulike_buildtype_linker_args[buildtype]
 
     def get_pch_suffix(self):
@@ -2435,6 +2435,8 @@ end program prog
         return gnulike_buildtype_args[buildtype]
 
     def get_buildtype_linker_args(self, buildtype):
+        if mesonlib.is_osx():
+            return apple_buildtype_linker_args[buildtype]
         return gnulike_buildtype_linker_args[buildtype]
 
     def split_shlib_to_parts(self, fname):

mesonbuild/environment.py

@@ -386,7 +386,7 @@ class Environment():
                 version = self.get_gnu_version_from_defines(defines)
                 return GnuCCompiler(ccache + [compiler], version, gtype, is_cross, exe_wrap, defines)
             if 'clang' in out:
-                if 'Apple' in out:
+                if 'Apple' in out or for_darwin(want_cross, self):
                     cltype = CLANG_OSX
                 else:
                     cltype = CLANG_STANDARD