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From 3939a8bf93e27d8151aa1d92bf3ce10bbbc96a72 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 15 Sep 2024 15:57:52 +0200
Subject: [PATCH] GNU/Hurd: Add getExecutablePath support
GNU/Hurd exposes it as /proc/self/exe just like on Linux.
---
.../src/GHC/Internal/System/Environment/ExecutablePath.hsc | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: b/libraries/ghc-internal/src/GHC/Internal/System/Environment/ExecutablePath.hsc
===================================================================
--- a/libraries/ghc-internal/src/GHC/Internal/System/Environment/ExecutablePath.hsc
+++ b/libraries/ghc-internal/src/GHC/Internal/System/Environment/ExecutablePath.hsc
@@ -200,9 +200,9 @@ executablePath = Just (fmap Just getExec
| otherwise = throw e
--------------------------------------------------------------------------------
--- Linux / Solaris
+-- Linux / Solaris / Hurd
-#elif defined(linux_HOST_OS) || defined(solaris2_HOST_OS)
+#elif defined(linux_HOST_OS) || defined(solaris2_HOST_OS) || defined(gnu_HOST_OS)
foreign import ccall unsafe "readlink"
c_readlink :: CString -> CString -> CSize -> IO CInt
@@ -219,7 +219,7 @@ readSymbolicLink file =
c_readlink s buf 4096
peekFilePathLen (buf,fromIntegral len)
-# if defined(linux_HOST_OS)
+# if defined(linux_HOST_OS) || defined(gnu_HOST_OS)
getExecutablePath = readSymbolicLink $ "/proc/self/exe"
executablePath = Just (check <$> getExecutablePath) where
|
