Re: [PR PATCH] [Updated] rclone: fix musl cross builds.

[ericonr <ericonr@users.noreply.github.com>]

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There is an updated pull request by ericonr against master on the void-packages repository

https://github.com/ericonr/void-packages rclone
https://github.com/void-linux/void-packages/pull/26640

rclone: fix musl cross builds.
For some reason, the cross built binaries have a TEXTREL in their
dynamic section, which musl's runtime linker doesn't support at all,
causing a segfault at launch. Fix this by disabling CGO_ENABLED for now.

Fixes #26638 

A patch file from https://github.com/void-linux/void-packages/pull/26640.patch is attached

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From 212973a566c3ee67d55ec92495dd39b318276fe6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89rico=20Rolim?= <erico.erc@gmail.com>
Date: Mon, 23 Nov 2020 11:27:08 -0300
Subject: [PATCH] rclone: fix segfault in musl cross targets.

For some reason, the cross built binaries have a TEXTREL in their
dynamic section, which musl's runtime linker doesn't support at all,
causing a segfault at launch. Fix this by disabling CGO_ENABLED for now.
---
 srcpkgs/rclone/template | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/srcpkgs/rclone/template b/srcpkgs/rclone/template
index 3c7ea20e5bc..56b4353c1aa 100644
--- a/srcpkgs/rclone/template
+++ b/srcpkgs/rclone/template
@@ -1,7 +1,7 @@
 # Template file for 'rclone'
 pkgname=rclone
 version=1.53.3
-revision=1
+revision=2
 wrksrc="rclone-v${version}"
 build_style=go
 go_import_path=github.com/rclone/rclone
@@ -14,6 +14,15 @@ changelog="https://raw.githubusercontent.com/rclone/rclone/master/docs/content/c
 distfiles="https://github.com/rclone/rclone/releases/download/v${version}/rclone-v${version}.tar.gz"
 checksum=f1e213bc6fb7c46f9a4cc8604ae0856718434bdafe07fa3ce449ae9a510a5763
 
+pre_build() {
+	if [ "$CROSS_BUILD" ] && [ "$XBPS_TARGET_LIBC" = musl ]; then
+		# XXX: when cross building, the binary has a textrel, which segfaults when
+		# launched on musl
+		# FIXME: linkers for the musl toolchains should reject textrels entirely
+		export CGO_ENABLED=0
+	fi
+}
+
 post_install() {
 	vlicense COPYING
 	vman rclone.1