From 6f4427f6ddb76603a19a15a94fd91b59a8478158 Mon Sep 17 00:00:00 2001
From: Liam Keegan <liam@keegan.ch>
Date: Thu, 2 Nov 2023 16:59:55 +0100
Subject: [PATCH] -fexperimental-library for clang/libc++ to enable
 <execution>, try to use llvm clang17

---
 build.sh | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/build.sh b/build.sh
index 2493c18..3098c8b 100755
--- a/build.sh
+++ b/build.sh
@@ -9,11 +9,10 @@ echo "DUNE_COPASI_VERSION: ${DUNE_COPASI_VERSION}"
 echo "PATH: $PATH"
 echo "MSYSTEM: $MSYSTEM"
 
-which g++
-which cmake
-g++ --version
-gcc --version
-cmake --version
+export CXX=/usr/local/opt/llvm/bin/clang++
+export CC=/usr/local/opt/llvm/bin/clang
+
+$CXX --version
 
 echo "Downloading static libs for OS_TARGET: $OS_TARGET"
 wget "https://github.com/spatial-model-editor/sme_deps_common/releases/download/${SME_DEPS_COMMON_VERSION}/sme_deps_common_${OS_TARGET}.tgz"
@@ -31,7 +30,8 @@ fi
 export DUNE_COPASI_USE_STATIC_DEPS=ON
 export CMAKE_INSTALL_PREFIX=$DEPSDIR
 export MAKE_OPTIONS="-j2 VERBOSE=1"
-export CMAKE_CXX_FLAGS='-fvisibility=hidden'
+# -fexperimental-library for clang/libc++ to enable <execution>
+export CMAKE_CXX_FLAGS="-fvisibility=hidden -fexperimental-library -L/usr/local/opt/llvm/lib/c++ -Wl,-rpath,/usr/local/opt/llvm/lib/c++"
 export BUILD_SHARED_LIBS=OFF
 export CMAKE_DISABLE_FIND_PACKAGE_MPI=ON
 export DUNE_ENABLE_PYTHONBINDINGS=OFF