From 539bbafbf3160681d93f3889f7434287cee5a1b5 Mon Sep 17 00:00:00 2001
From: Petr Sumbera <sumbera@volny.cz>
Date: Wed, 6 Nov 2024 13:41:40 +0100
Subject: [PATCH] Fix definition of FNM_CASEFOLD for Illumos/Solaris

Illumos reference (originally included in Solaris):
https://github.com/illumos/illumos-gate/blob/aaceae985c2e78cadef76bf0b7b50ed887ccb3a6/usr/src/head/fnmatch.h#L41

(backport <https://github.com/rust-lang/libc/pull/4004>)
(cherry picked from commit 98a20b31de909c0d499de2db67482872430e6e04)
---
 src/unix/mod.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index 90d6f23b6a9a2..d26d9053558ee 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -314,9 +314,19 @@ pub const ATF_PUBL: ::c_int = 0x08;
 pub const ATF_USETRAILERS: ::c_int = 0x10;
 
 pub const FNM_PERIOD: c_int = 1 << 2;
-pub const FNM_CASEFOLD: c_int = 1 << 4;
 pub const FNM_NOMATCH: c_int = 1;
 
+cfg_if! {
+    if #[cfg(any(
+        target_os = "illumos",
+        target_os = "solaris",
+    ))] {
+        pub const FNM_CASEFOLD: c_int = 1 << 3;
+    } else {
+        pub const FNM_CASEFOLD: c_int = 1 << 4;
+    }
+}
+
 cfg_if! {
     if #[cfg(any(
         target_os = "macos",