From: Christian Marangi <ansuelsmth@gmail.com>
Date: Sun, 17 Jul 2022 15:56:59 +0000 (+0200)
Subject: scripts: ext-toolchain: add support for musl
X-Git-Tag: v22.03.1~20
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fpepe2k.git;a=commitdiff_plain;h=4ad6925a9e6685ecb1931cd76431d1339f47e8c2

scripts: ext-toolchain: add support for musl

Openwrt now supports only glibc and musl. Add support for musl and
rework the libc check to handle the new config flags and correctly
compile package basend on that.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
(cherry picked from commit 7be01fe13b4517e5edb8a4818f437d60144cdcb4)
---

diff --git a/scripts/ext-toolchain.sh b/scripts/ext-toolchain.sh
index 1f8eca3076..fe1024c18e 100755
--- a/scripts/ext-toolchain.sh
+++ b/scripts/ext-toolchain.sh
@@ -369,8 +369,18 @@ print_config() {
 	echo "CONFIG_TOOLCHAIN_PREFIX=\"$prefix\"" >> "$config"
 	echo "CONFIG_TARGET_NAME=\"$target\"" >> "$config"
 
-	if [ "$LIBC_TYPE" != glibc ]; then
-		echo "CONFIG_TOOLCHAIN_LIBC=\"$LIBC_TYPE\"" >> "$config"
+	if [ -f "$config" ]; then
+		sed -i '/CONFIG_EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL/d' "$config"
+		sed -i '/CONFIG_EXTERNAL_TOOLCHAIN_LIBC_USE_GLIBC/d' "$config"
+	fi
+
+	if [ "$LIBC_TYPE" == glibc ]; then
+		echo "CONFIG_EXTERNAL_TOOLCHAIN_LIBC_USE_GLIBC=y" >> "$config"
+	elif [ "$LIBC_TYPE" == musl ]; then
+		echo "CONFIG_EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL=y" >> "$config"
+	else
+		echo "Can't detect LIBC type. Aborting!" >&2
+		return 1
 	fi
 
 	local lib