07/13: gnu: r-rstan: Adjust GCC@14.

[guix-commits]

guix_mirror_bot pushed a commit to branch r-team
in repository guix.

commit 2848000db0fef1f1670ce945ecbd6ac279068fdc
Author: Simon Tournier <zimon.touto...@gmail.com>
AuthorDate: Tue Oct 28 17:49:39 2025 +0100

    gnu: r-rstan: Adjust GCC@14.
    
    * gnu/packages/bioconductor.scm (r-rstan)[arguments]: Add phase that 
decreases
    GCC@14 strictness.
    
    Change-Id: I83920c1acfd944f36625385012f0dd28bbc3decc
---
 gnu/packages/cran.scm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 345cf3a627..43d64f1242 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -45549,7 +45549,13 @@ techniques to average Bayesian predictive 
distributions.")
              (setenv "TZ" "UTC+1")
              (setenv "TZDIR"
                      (search-input-directory inputs
-                                             "share/zoneinfo")))))))
+                                             "share/zoneinfo"))))
+         (add-before 'install 'relax-gcc-14-strictness
+            (lambda _
+              (substitute* "src/Makevars"
+                (("CXX_STD = CXX17")
+                 "CXX_STD = CXX17
+PKG_CXXFLAGS+=-g -O2 -Wno-error=changes-meaning")))))))
     (native-inputs
      (list r-knitr
            r-matrix