[PR PATCH] R: define __MUSL__ when building for musl libc

[PR PATCH] R: define __MUSL__ when building for musl libc

[sgn]

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

https://github.com/sgn/void-packages R-musl
https://github.com/void-linux/void-packages/pull/32982

R: define __MUSL__ when building for musl libc
R people assumes it's defined for musl libc.

<!-- Mark items with [x] where applicable -->

#### General
- [ ] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

#### Have the results of the proposed changes been tested?
- [ ] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR

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A patch file from https://github.com/void-linux/void-packages/pull/32982.patch is attached

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From 6013dc74052dc84472f533ae29741654337fff52 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=90o=C3=A0n=20Tr=E1=BA=A7n=20C=C3=B4ng=20Danh?=
 <congdanhqx@gmail.com>
Date: Thu, 16 Sep 2021 22:44:43 +0700
Subject: [PATCH] R: define __MUSL__ when building for musl libc

R people assumes it's defined for musl libc.
---
 srcpkgs/R/template | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/srcpkgs/R/template b/srcpkgs/R/template
index dad0e3b00421..38ecea576b55 100644
--- a/srcpkgs/R/template
+++ b/srcpkgs/R/template
@@ -1,7 +1,7 @@
 # Template file for 'R'
 pkgname=R
 version=4.1.1
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--docdir=/usr/share/doc/R rdocdir=/usr/share/doc/R
  --with-blas$(vopt_if openblas '=openblas') --with-lapack
@@ -37,6 +37,10 @@ case "$XBPS_TARGET_MACHINE" in
 	*) ;;
 esac
 
+if [ "$XBPS_TARGET_LIBC" = musl ]; then
+	export CPPFLAGS=-D__MUSL__
+fi
+
 pre_configure() {
 	export R_BROWSER=/usr/bin/xdg-open
 	export R_PDFVIEWER=/usr/bin/xdg-open

Re: [PR PATCH] [Merged]: R: define __MUSL__ when building for musl libc

[sgn]

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There's a merged pull request on the void-packages repository

R: define __MUSL__ when building for musl libc
https://github.com/void-linux/void-packages/pull/32982

Description:
R people assumes it's defined for musl libc.

<!-- Mark items with [x] where applicable -->

#### General
- [ ] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

#### Have the results of the proposed changes been tested?
- [ ] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR

<!--
If GitHub CI cannot be used to validate the build result (for example, if the
build is likely to take several hours), make sure to
[skip CI](https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#continuous-integration).
When skipping CI, uncomment and fill out the following section.
Note: for builds that are likely to complete in less than 2 hours, it is not
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<!-- 
#### Does it build and run successfully? 
(Please choose at least one native build and, if supported, at least one cross build. More are better.)
- [ ] I built this PR locally for my native architecture, (ARCH-LIBC)
- [ ] I built this PR locally for these architectures (if supported. mark crossbuilds):
  - [ ] aarch64-musl
  - [ ] armv7l
  - [ ] armv6l-musl
-->