From 9fb00f4246a2c4510041941066c0c062c6b1db95 Mon Sep 17 00:00:00 2001
From: Dmitry Arkhipenko <36101416+dkgitdev@users.noreply.github.com>
Date: Sat, 25 Feb 2023 13:47:19 +0300
Subject: [PATCH] Fix: nintendoswitch compilation (#21368)

* Fix: make nintendoswitch someGcc, remove symlink support for nintendoswitch, add getAppFilename for nintendoswitch

* Fix: use getApplHeuristic on nintendoswitch
---
 lib/posix/posix.nim            | 8 ++++++--
 lib/pure/os.nim                | 4 +++-
 lib/std/private/ossymlinks.nim | 2 +-
 lib/std/sysatomics.nim         | 2 +-
 4 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/lib/posix/posix.nim b/lib/posix/posix.nim
index 07652c64d6bb5..12fc8fd571514 100644
--- a/lib/posix/posix.nim
+++ b/lib/posix/posix.nim
@@ -584,7 +584,8 @@ proc pread*(a1: cint, a2: pointer, a3: int, a4: Off): int {.
 proc pwrite*(a1: cint, a2: pointer, a3: int, a4: Off): int {.
   importc, header: "<unistd.h>".}
 proc read*(a1: cint, a2: pointer, a3: int): int {.importc, header: "<unistd.h>".}
-proc readlink*(a1, a2: cstring, a3: int): int {.importc, header: "<unistd.h>".}
+when not defined(nintendoswitch):
+  proc readlink*(a1, a2: cstring, a3: int): int {.importc, header: "<unistd.h>".}
 proc ioctl*(f: FileHandle, device: uint): int {.importc: "ioctl",
       header: "<sys/ioctl.h>", varargs, tags: [WriteIOEffect].}
   ## A system call for device-specific input/output operations and other
@@ -603,7 +604,10 @@ proc setsid*(): Pid {.importc, header: "<unistd.h>".}
 proc setuid*(a1: Uid): cint {.importc, header: "<unistd.h>".}
 proc sleep*(a1: cint): cint {.importc, header: "<unistd.h>".}
 proc swab*(a1, a2: pointer, a3: int) {.importc, header: "<unistd.h>".}
-proc symlink*(a1, a2: cstring): cint {.importc, header: "<unistd.h>".}
+when not defined(nintendoswitch):
+  proc symlink*(a1, a2: cstring): cint {.importc, header: "<unistd.h>".}
+else:
+  proc symlink*(a1, a2: cstring): cint = -1
 proc sync*() {.importc, header: "<unistd.h>".}
 proc sysconf*(a1: cint): int {.importc, header: "<unistd.h>".}
 proc tcgetpgrp*(a1: cint): Pid {.importc, header: "<unistd.h>".}
diff --git a/lib/pure/os.nim b/lib/pure/os.nim
index ecceed671cfef..3285c07df2cd7 100644
--- a/lib/pure/os.nim
+++ b/lib/pure/os.nim
@@ -254,7 +254,7 @@ proc findExe*(exe: string, followSymlinks: bool = true;
     for ext in extensions:
       var x = addFileExt(x, ext)
       if fileExists(x):
-        when not defined(windows):
+        when not (defined(windows) or defined(nintendoswitch)):
           while followSymlinks: # doubles as if here
             if x.symlinkExists:
               var r = newString(maxSymlinkLen)
@@ -702,6 +702,8 @@ proc getAppFilename*(): string {.rtl, extern: "nos$1", tags: [ReadIOEffect], noW
       result = getApplHaiku()
     elif defined(openbsd):
       result = getApplOpenBsd()
+    elif defined(nintendoswitch):
+      result = ""
 
     # little heuristic that may work on other POSIX-like systems:
     if result.len == 0:
diff --git a/lib/std/private/ossymlinks.nim b/lib/std/private/ossymlinks.nim
index 53f59f939cae8..6b2de6237b350 100644
--- a/lib/std/private/ossymlinks.nim
+++ b/lib/std/private/ossymlinks.nim
@@ -67,7 +67,7 @@ proc expandSymlink*(symlinkPath: string): string {.noWeirdTarget.} =
   ##
   ## See also:
   ## * `createSymlink proc`_
-  when defined(windows):
+  when defined(windows) or defined(nintendoswitch):
     result = symlinkPath
   else:
     result = newString(maxSymlinkLen)
diff --git a/lib/std/sysatomics.nim b/lib/std/sysatomics.nim
index b7ccb409263f2..36a4e55378f7a 100644
--- a/lib/std/sysatomics.nim
+++ b/lib/std/sysatomics.nim
@@ -15,7 +15,7 @@ when defined(nimPreviewSlimSystem):
 
 const
   hasThreadSupport = compileOption("threads") and not defined(nimscript)
-const someGcc = defined(gcc) or defined(llvm_gcc) or defined(clang)
+const someGcc = defined(gcc) or defined(llvm_gcc) or defined(clang) or defined(nintendoswitch)
 const someVcc = defined(vcc) or defined(clang_cl)
 
 type