[PR PATCH] adding go cross compiling flags example

[voidlinux-github@inbox.vuxu.org]

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There is a new pull request by sammerry against master on the void-packages repository

https://github.com/sammerry/void-packages master
https://github.com/void-linux/void-packages/pull/14445

adding go cross compiling flags example
Creating this pull request as an example for feed back.

I'd like to add cross compiling support for a few go projects like docker. Is this an appropriate place to inject go's cross compile flags?

A patch file from https://github.com/void-linux/void-packages/pull/14445.patch is attached

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From c331a6448ffb0618f566245dc3e5828ba2152118 Mon Sep 17 00:00:00 2001
From: Sam Merry <sammerry@users.noreply.github.com>
Date: Sat, 14 Sep 2019 01:37:39 -0700
Subject: [PATCH] adding go cross compiling flags example

---
 common/cross-profiles/armv7l.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/common/cross-profiles/armv7l.sh b/common/cross-profiles/armv7l.sh
index e2d9d98cd56..3d0c02b4a0e 100644
--- a/common/cross-profiles/armv7l.sh
+++ b/common/cross-profiles/armv7l.sh
@@ -8,3 +8,7 @@ XBPS_CROSS_CXXFLAGS="$XBPS_CROSS_CFLAGS"
 XBPS_CROSS_FFLAGS=""
 XBPS_CROSS_RUSTFLAGS="--sysroot=${XBPS_CROSS_BASE}/usr"
 XBPS_CROSS_RUST_TARGET="armv7-unknown-linux-gnueabihf"
+
+GOOS=linux
+GOARCH=arm
+GOARM=7