From 5c8df002295f15e1915a628445e2ebc5ff5f8dbb Mon Sep 17 00:00:00 2001
From: Gurchetan Singh <gurchetan.singh.foss@gmail.com>
Date: Wed, 13 May 2026 15:16:59 -0700
Subject: [PATCH] Add initial detection for Fuchsia

Fuchsia is a microkernel-like OS that takes many cues from Plan9.

Co-Authored-by: Dylan Baker <dylan@pnwbakers.com>
---
 docs/markdown/Reference-tables.md | 4 +++-
 mesonbuild/envconfig.py           | 4 ++++
 mesonbuild/utils/universal.py     | 5 +++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/docs/markdown/Reference-tables.md b/docs/markdown/Reference-tables.md
index faa039bfe..9c17ab35c 100644
--- a/docs/markdown/Reference-tables.md
+++ b/docs/markdown/Reference-tables.md
@@ -176,6 +176,7 @@ These are provided by the `.system()` method call.
 | windows             | Native Windows (not Cygwin or MSYS2) |
 | sunos               | illumos and Solaris |
 | os/2                | OS/2 |
+| fuchsia             | Google's Fuchsia |
 
 Any string not listed above is not guaranteed to remain stable in
 future releases.
@@ -197,7 +198,8 @@ Native names as returned by the `.kernel()` method.
 | solaris             | Kernel derived from OpenSolaris by Oracle |
 | dragonfly | |
 | haiku| |
-| none                 | For e.g. bare metal embedded    |
+| fuchsia             | Google's Fuchsia |
+| none                | For e.g. bare metal embedded    |
 
 
 ## Subsystem names (since 1.2.0)
diff --git a/mesonbuild/envconfig.py b/mesonbuild/envconfig.py
index b0072a49b..c1940cd1f 100644
--- a/mesonbuild/envconfig.py
+++ b/mesonbuild/envconfig.py
@@ -396,6 +396,9 @@ class MachineInfo(HoldableObject):
         """
         return self.system == 'os/2'
 
+    def is_fuchsia(self) -> bool:
+        return self.system == 'fuchsia'
+
     # Various prefixes and suffixes for import libraries, shared libraries,
     # static libraries, and executables.
     # Versioning is added to these names in the backends as-needed.
@@ -523,6 +526,7 @@ KERNEL_MAPPINGS: T.Mapping[str, str] = {'freebsd': 'freebsd',
                                         'dragonfly': 'dragonfly',
                                         'haiku': 'haiku',
                                         'gnu': 'gnu',
+                                        'fuchsia': 'fuchsia',
                                         }
 
 def detect_windows_arch(compilers: CompilerDict) -> str:
diff --git a/mesonbuild/utils/universal.py b/mesonbuild/utils/universal.py
index 7b5f0a9a6..60ffeb8b9 100644
--- a/mesonbuild/utils/universal.py
+++ b/mesonbuild/utils/universal.py
@@ -134,6 +134,7 @@ __all__ = [
     'is_debianlike',
     'is_dragonflybsd',
     'is_freebsd',
+    'is_fuchsia',
     'is_haiku',
     'is_hurd',
     'is_irix',
@@ -716,6 +717,10 @@ def is_android() -> bool:
     return _PLATFORM_SYSTEM_LOWER == 'android'
 
 
+def is_fuchsia() -> bool:
+    return _PLATFORM_SYSTEM_LOWER == 'fuchsia'
+
+
 def is_haiku() -> bool:
     return _PLATFORM_SYSTEM_LOWER == 'haiku'