From cbd5267669ea682646897d987e59de849ee7f803 Mon Sep 17 00:00:00 2001
From: edoapra <edoardo.apra@gmail.com>
Date: Mon, 8 Dec 2025 16:46:27 -0800
Subject: [PATCH] fix for libstdc++ error

---
 travis/build_env.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/travis/build_env.sh b/travis/build_env.sh
index 4702465035..252026c586 100755
--- a/travis/build_env.sh
+++ b/travis/build_env.sh
@@ -218,6 +218,12 @@ if [[ "$os" == "Linux" ]]; then
 	    if [[ "$USE_LIBXC" == "-1" ]]; then
 		pkg_extra+=" libxc-dev"
 	    fi
+	    if [[ "$BUILD_PLUMED" == "1" ]]; then
+		if [[ "${FC}" == *"-"* ]]; then
+		    gccver=$(echo ${FC} | cut -d - -f 2)
+		    pkg_extra+="gcc-${gccver} libstdc++-${gccver}-dev g++-${gccver}"
+		fi
+	    fi
 	    echo "BLAS_ENV is" $BLAS_ENV
 	    if [[ "$BLAS_ENV" == lib*openblas* ]]; then
 		pkg_extra+=" $BLAS_ENV"