Draft Pixi build configuration

.github/workflows/pixi-build.yml

@@ -0,0 +1,20 @@
+name: Pixi Build CI
+
+on: 
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the code
+        uses: actions/checkout@v4
+
+      - name: Set up Pixi
+        uses: prefix-dev/setup-pixi@v0.8.9
+
+      # Build
+      - name: Build
+        run: pixi build

CMakeLists.txt

@@ -1,10 +1,12 @@
 project(MESS C CXX)
 cmake_minimum_required(VERSION 3.16)
 
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
+
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp")
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
 
 # Options for automatic dependency handling
@@ -421,11 +423,12 @@ target_link_libraries(messsym
     ${CMAKE_DL_LIBS}
 )
 
-install(TARGETS mess DESTINATION bin)
-install(TARGETS mess-v2 DESTINATION bin)
-install(TARGETS messpf DESTINATION bin)
-install(TARGETS messabs DESTINATION bin)
-install(TARGETS messsym DESTINATION bin)
+install(TARGETS mess DESTINATION ${BINDIR})
+install(TARGETS mess-v2 DESTINATION ${BINDIR})
+install(TARGETS messpf DESTINATION ${BINDIR})
+install(TARGETS messabs DESTINATION ${BINDIR})
+install(TARGETS messsym DESTINATION ${BINDIR})
+install(TARGETS messlibs LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
 
 # Create a direct wrapper for missing SLATEC functions
 file(WRITE ${CMAKE_BINARY_DIR}/slatec_wrapper.f "

pixi.toml

@@ -0,0 +1,33 @@
+[workspace]
+channels = ["conda-forge", "Auto-Mech"]
+platforms = ["linux-64"]
+preview = ["pixi-build"]                                  
+
+[dependencies] 
+mess = { path = "." }
+
+[package] 
+name = "mess"
+version = "2.10.6"
+
+[package.build]
+backend = { name = "pixi-build-cmake", version = "0.3.*" }
+
+[package.build.config]
+extra-args = [
+    "-DCMAKE_BUILD_TYPE=Release",
+    "-DBUILD_SHARED_LIBS=ON"
+]
+
+[package.build-dependencies]
+fortran-compiler = "*"
+
+[package.host-dependencies]
+openblas = "*"
+openmp = "*"
+gsl = "*"
+qd = "*"
+slatec = "*"
+
+[package.run-dependencies]
+slatec = "*"