https://bugs.gentoo.org/981867
https://bugs.gentoo.org/981859
https://github.com/tesseract-ocr/tesseract/commit/c822b4f73d0a055f3588957c320b1acf06b69da5

From c822b4f73d0a055f3588957c320b1acf06b69da5 Mon Sep 17 00:00:00 2001
From: tachalorah <tachalorah@proton.me>
Date: Mon, 3 Aug 2026 11:37:55 +0700
Subject: [PATCH] arch/simddetect.cpp: add missing <cstdlib> for getenv()

--- a/tesseract/src/arch/simddetect.cpp
+++ b/tesseract/src/arch/simddetect.cpp
@@ -18,6 +18,7 @@
 #ifdef HAVE_CONFIG_H
 #  include "config_auto.h" // for HAVE_AVX, ...
 #endif
+#include <cstdlib> // for getenv
 #include <numeric> // for std::inner_product
 #include "dotproduct.h"
 #include "intsimdmatrix.h" // for IntSimdMatrix