From 6eee60de41b51856e80230196abd69357f1cec21 Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gunnar@beutner.name>
Date: Fri, 13 Aug 2021 20:51:04 +0200
Subject: [PATCH] Ports: Make sure HOST_* variables are set correctly for
 nested builds

When building a port as a dependency for another port the HOST_*
variables were previously initialized with values referring to the
SerenityOS toolchain.

Fixes #9168.
---
 Ports/.port_include.sh | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/Ports/.port_include.sh b/Ports/.port_include.sh
index bae6d29620..79a0f6b6c3 100755
--- a/Ports/.port_include.sh
+++ b/Ports/.port_include.sh
@@ -4,14 +4,16 @@ set -eu
 SCRIPT="$(dirname "${0}")"
 export SERENITY_ARCH="${SERENITY_ARCH:-i686}"
 
-HOST_CC="${CC:=cc}"
-HOST_CXX="${CXX:=c++}"
-HOST_AR="${AR:=ar}"
-HOST_RANLIB="${RANLIB:=ranlib}"
-HOST_PATH="${PATH:=}"
-HOST_PKG_CONFIG_DIR="${PKG_CONFIG_DIR:=}"
-HOST_PKG_CONFIG_SYSROOT_DIR="${PKG_CONFIG_SYSROOT_DIR:=}"
-HOST_PKG_CONFIG_LIBDIR="${PKG_CONFIG_LIBDIR:=}"
+if [ -z "${HOST_CC:=}" ]; then
+    export HOST_CC="${CC:=cc}"
+    export HOST_CXX="${CXX:=c++}"
+    export HOST_AR="${AR:=ar}"
+    export HOST_RANLIB="${RANLIB:=ranlib}"
+    export HOST_PATH="${PATH:=}"
+    export HOST_PKG_CONFIG_DIR="${PKG_CONFIG_DIR:=}"
+    export HOST_PKG_CONFIG_SYSROOT_DIR="${PKG_CONFIG_SYSROOT_DIR:=}"
+    export HOST_PKG_CONFIG_LIBDIR="${PKG_CONFIG_LIBDIR:=}"
+fi
 
 DESTDIR="/"