From 10272557b73a4c59860d49023527bc77322db2a8 Mon Sep 17 00:00:00 2001
From: Simon Tournier <zimon.toutoune@gmail.com>
Date: Wed, 29 Oct 2025 20:19:48 +0100
Subject: [PATCH] gnu: r-blavaan: Adjust GCC@14.

* gnu/packages/cran.scm (r-blavaan)[arguments]: Add phase that decreases
GCC@14 strictness.

Change-Id: Ic56b3d6ba1b92ee98b57ebfe0db4c1aa2a542b24
---
 gnu/packages/cran.scm | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 30dfc793e322cbb13032626fe57fd77fb13cc053..ea00540d6676368d49ebc39a2bfb67b37ad02b39 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -25751,6 +25751,17 @@ cross-validation.")
         (base32 "00pxi5zj68796b3qkil3w66z446ib61xl2l5v1qia1mc9fznlzri"))))
     (properties `((upstream-name . "blavaan")))
     (build-system r-build-system)
+    (arguments
+     (list
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'relax-gcc-14-strictness
+            (lambda _
+              (substitute* "configure"
+                ;; Modifying src/Makevars directly is overruled.
+                (("config\\(\\)\"")
+                 "config()\"
+echo \"PKG_CXXFLAGS+=-g -O2 -Wno-error=changes-meaning\" >> src/Makevars")))))))
     (propagated-inputs (list r-bayesplot
                              r-bh
                              r-coda