From a4a3f1464ef5e7b8a72d84f396e80a77d7a08c4d Mon Sep 17 00:00:00 2001
From: Stanislaw Grams <stanislawgrams@gmail.com>
Date: Mon, 9 Feb 2026 21:31:39 +0100
Subject: [PATCH] [fix](trx-ft8): enable stpcpy on linux

Co-authored-by: Codex <codex@openai.com>
Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>
---
 src/trx-ft8/build.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/trx-ft8/build.rs b/src/trx-ft8/build.rs
index 8a7cf8c..1320bb0 100644
--- a/src/trx-ft8/build.rs
+++ b/src/trx-ft8/build.rs
@@ -10,6 +10,8 @@ fn main() {
         .include(format!("{base}/common"))
         .include(format!("{base}/fft"))
         .include(format!("{base}/ft8"))
+        .define("_GNU_SOURCE", None)
+        .define("_POSIX_C_SOURCE", "200809L")
         .file("src/ft8_wrapper.c")
         .file(format!("{base}/common/monitor.c"))
         .file(format!("{base}/fft/kiss_fft.c"))