From 6f2dbaab5f0f63e655fd581d16eead9aa4b0b0f7 Mon Sep 17 00:00:00 2001
From: "tree-sitter-ci-bot[bot]"
 <180118140+tree-sitter-ci-bot[bot]@users.noreply.github.com>
Date: Sun, 2 Mar 2025 23:46:23 +0100
Subject: [PATCH] build: do not define _POSIX_C_SOURCE on NetBSD (#4196)

It leads to missing symbols, see #4180.

(cherry picked from commit 2bf04d1f045f27a265ed1b1916e5eef929c13bae)

---------

Co-authored-by: Thomas Klausner <wiz@gatalith.at>
---
 lib/src/portable/endian.h | 6 +++++-
 lib/src/query.c           | 9 +++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/src/portable/endian.h b/lib/src/portable/endian.h
index 6aa4438d..51defc5e 100644
--- a/lib/src/portable/endian.h
+++ b/lib/src/portable/endian.h
@@ -18,16 +18,20 @@
 #if defined(HAVE_ENDIAN_H) || \
     defined(__linux__) || \
     defined(__GNU__) || \
+    defined(__NetBSD__) || \
     defined(__OpenBSD__) || \
     defined(__CYGWIN__) || \
     defined(__MSYS__) || \
     defined(__EMSCRIPTEN__)
 
+#if defined(__NetBSD__)
+#define _NETBSD_SOURCE 1
+#endif
+
 # include <endian.h>
 
 #elif defined(HAVE_SYS_ENDIAN_H) || \
     defined(__FreeBSD__) || \
-    defined(__NetBSD__) || \
     defined(__DragonFly__)
 
 # include <sys/endian.h>
diff --git a/lib/src/query.c b/lib/src/query.c
index 05eddef5..eb4e906c 100644
--- a/lib/src/query.c
+++ b/lib/src/query.c
@@ -1,3 +1,12 @@
+/*
+ * On NetBSD, defining standard requirements like this removes symbols
+ * from the namespace; however, we need non-standard symbols for
+ * endian.h.
+ */
+#if defined(__NetBSD__) && defined(_POSIX_C_SOURCE)
+#undef _POSIX_C_SOURCE
+#endif
+
 #include "tree_sitter/api.h"
 #include "./alloc.h"
 #include "./array.h"