From 5aebea01163d438c9efa250dc60c9f85c158144c Mon Sep 17 00:00:00 2001
From: David Elsing <david.elsing@posteo.net>
Date: Tue, 29 Jul 2025 16:19:32 +0200
Subject: gnu: yaehmop: Fix build with GCC 14.

The C code calls functions from Fortran without declaration.

* gnu/packages/chemistry.scm (yaehmop)[arguments]: Add CMAKE_C_FLAGS.

Change-Id: Ib115645a414693cd42429d957d746f8435a889a6
Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>
---
 gnu/packages/chemistry.scm | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'gnu')

diff --git a/gnu/packages/chemistry.scm b/gnu/packages/chemistry.scm
index 9ee7280407..522778776c 100644
--- a/gnu/packages/chemistry.scm
+++ b/gnu/packages/chemistry.scm
@@ -1258,6 +1258,8 @@ emphasis on quality rather than speed.")
       #:configure-flags
       #~(list
          "-DUSE_BLAS_LAPACK=ON"
+         ;; Some functions are written in Fortran.
+         "-DCMAKE_C_FLAGS=-Wno-implicit-function-declaration"
          (string-append "-DPARM_FILE_LOC=" #$output
                         "/share/" #$name "-" #$version "/eht_parms.dat")
          "-DBIND_EXE_NAME=yaehmop-bind")
-- 
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