From 82cc58199539d27927708c773c315b75aab7aef6 Mon Sep 17 00:00:00 2001
From: Janneke Nieuwenhuizen <janneke@gnu.org>
Date: Fri, 3 Jan 2025 10:34:02 +0100
Subject: [PATCH] gnu: r: Fix build with gcc-14.

* gnu/packages/statistics.scm (r-with-tests)[arguments]: Add CFLAGS to #:make-flags
to relax gcc-14's strictness.

Change-Id: I2b96d4da099572d2c356b99ccbc0e5b86f8ef136
---
 gnu/packages/statistics.scm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 0df89bf32e9d53ab3b0055593f4fd18cd1096b4c..a8cfd9104af91c901ebe942d1c963c49d3ff94fd 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -24,6 +24,7 @@
 ;;; Copyright © 2024 Nicolas Graves <ngraves@ngraves.fr>
 ;;; Copyright © 2024-2025 Sharlatan Hellseher <sharlatanus@gmail.com>
 ;;; Copyright © 2025 Jonas Freimuth <jonas.freimuth@posteo.de>
+;;; Copyright © 2025 Janneke Nieuwenhuizen <janneke@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -247,7 +248,9 @@ This package also provides @command{xls2csv} to export Excel files to CSV.")
      (list
       #:disallowed-references `(,tzdata-for-tests)
       #:make-flags
-      #~(list (string-append "LDFLAGS=-Wl,-rpath=" #$output "/lib/R/lib")
+      #~(list (string-append "CFLAGS=-g -O2"
+                             " -Wno-error=implicit-function-declaration")
+              (string-append "LDFLAGS=-Wl,-rpath=" #$output "/lib/R/lib")
               ;; This affects the embedded timestamp of only the core packages.
               "PKG_BUILT_STAMP=1970-01-01")
       #:phases