1 files changed, 79 insertions, 5 deletions
diff --git a/mesonbuild/environment.py b/mesonbuild/environment.py
index c1a3654..8c6c60e 100644
--- a/mesonbuild/environment.py
+++ b/mesonbuild/environment.py
@@ -17,7 +17,7 @@ import configparser, os, platform, re, sys, shlex, shutil, subprocess
 from . import coredata
 from .linkers import ArLinker, ArmarLinker, VisualStudioLinker, DLinker
 from . import mesonlib
-from .mesonlib import EnvironmentException, Popen_safe
+from .mesonlib import EnvironmentException, PerMachine, Popen_safe
 from . import mlog
 
 from . import compilers
@@ -1130,6 +1130,20 @@ class MachineInfo:
         self.cpu = cpu
         self.endian = endian
 
+    def __eq__(self, other):
+        if self.__class__ is not other.__class__:
+            return NotImplemented
+        return \
+            self.system == other.system and \
+            self.cpu_family == other.cpu_family and \
+            self.cpu == other.cpu and \
+            self.endian == other.endian
+
+    def __ne__(self, other):
+        if self.__class__ is not other.__class__:
+            return NotImplemented
+        return not self.__eq__(other)
+
     @staticmethod
     def detect(compilers = None):
         """Detect the machine we're running on
@@ -1167,11 +1181,71 @@ class MachineInfo:
             literal['cpu'],
             endian)
 
-class MachineInfos:
+    def is_windows(self):
+        """
+        Machine is windows?
+        """
+        return self.system == 'windows'
+
+    def is_cygwin(self):
+        """
+        Machine is cygwin?
+        """
+        return self.system == 'cygwin'
+
+    def is_linux(self):
+        """
+        Machine is linux?
+        """
+        return self.system == 'linux'
+
+    def is_darwin(self):
+        """
+        Machine is Darwin (iOS/OS X)?
+        """
+        return self.system in ('darwin', 'ios')
+
+    def is_android(self):
+        """
+        Machine is Android?
+        """
+        return self.system == 'android'
+
+    def is_haiku(self):
+        """
+        Machine is Haiku?
+        """
+        return self.system == 'haiku'
+
+    def is_openbsd(self):
+        """
+        Machine is OpenBSD?
+        """
+        return self.system == 'openbsd'
+
+    # Various prefixes and suffixes for import libraries, shared libraries,
+    # static libraries, and executables.
+    # Versioning is added to these names in the backends as-needed.
+
+    def get_exe_suffix(self):
+        if self.is_windows() or self.is_cygwin():
+            return 'exe'
+        else:
+            return ''
+
+    def get_object_suffix(self):
+        if self.is_windows():
+            return 'obj'
+        else:
+            return 'o'
+
+    def libdir_layout_is_win(self):
+        return self.is_windows() \
+            or self.is_cygwin()
+
+class MachineInfos(PerMachine):
     def __init__(self):
-        self.build = None
-        self.host = None
-        self.target = None
+        super().__init__(None, None, None)
 
     def default_missing(self):
         """Default host to buid and target to host.