Support for UEFI target

Author: RossComputerGuy

docs/markdown/Reference-tables.md

@@ -168,6 +168,7 @@ These are provided by the `.system()` method call.
 | openbsd             | |
 | windows             | Native Windows (not Cygwin or MSYS2) |
 | sunos               | illumos and Solaris |
+| uefi                | |
 
 Any string not listed above is not guaranteed to remain stable in
 future releases.

mesonbuild/build.py

@@ -2366,6 +2366,10 @@ def determine_filenames(self):
             suffix = 'so'
             # Android doesn't support shared_library versioning
             self.filename_tpl = '{0.prefix}{0.name}.{0.suffix}'
+        elif self.environment.machines[self.for_machine].is_uefi():
+            prefix = 'lib'
+            suffix = 'lib'
+            self.filename_tpl = '{0.prefix}{0.name}.{0.suffix}'
         else:
             prefix = 'lib'
             suffix = 'so'

mesonbuild/envconfig.py

@@ -366,12 +366,18 @@ def is_irix(self) -> bool:
         """Machine is IRIX?"""
         return self.system.startswith('irix')
 
+    def is_uefi(self) -> bool:
+        """Machine is UEFI?"""
+        return self.system == 'uefi'
+
     # 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) -> str:
         if self.is_windows() or self.is_cygwin():
             return 'exe'
+        elif self.is_uefi():
+            return 'efi'
         else:
             return ''
 
@@ -382,7 +388,7 @@ def get_object_suffix(self) -> str:
             return 'o'
 
     def libdir_layout_is_win(self) -> bool:
-        return self.is_windows() or self.is_cygwin()
+        return self.is_windows() or self.is_cygwin() or self.is_uefi()
 
 class BinaryTable:
 

mesonbuild/utils/universal.py

@@ -687,6 +687,9 @@ def is_qnx() -> bool:
 def is_aix() -> bool:
     return platform.system().lower() == 'aix'
 
+def is_uefi() -> bool:
+    return platform.system().lower() == 'uefi'
+
 @lru_cache(maxsize=None)
 def darwin_get_object_archs(objpath: str) -> 'ImmutableListProtocol[str]':
     '''

test cases/common/132 get define/meson.build

@@ -13,6 +13,7 @@ system_define_map = {
   'openbsd'   : ['__OpenBSD__',   '1'],
   'gnu'       : ['__GNU__',       '1'],
   'sunos'     : ['__sun__',       '1'],
+  'uefi'      : ['__uefi__',      '1'],
 
   # The __FreeBSD__ define will be equal to the major version of the release
   # (ex, in FreeBSD 11.x, __FreeBSD__ == 11). To make the test robust when