add a pixi file and split into two envs (host & build)

.gitattributes

@@ -1 +1,6 @@
 **/*.py -text
+# GitHub syntax highlighting
+pixi.lock linguist-language=YAML
+
+# GitHub syntax highlighting
+pixi.lock linguist-language=YAML linguist-generated=true

.gitignore

@@ -237,3 +237,7 @@ integration_tests/expr_12.c
 
 # Interactive Shell
 input
+# pixi environments
+.pixi
+*.egg-info
+

CMakeLists.txt

@@ -51,10 +51,8 @@ include(CPack)
 set(CPACK_PACKAGE_FILE_NAME lpython-${LFORTRAN_VERSION}-${CMAKE_SYSTEM_NAME})
 
 
-if (NOT CMAKE_CXX_STANDARD)
-    set(CMAKE_CXX_STANDARD 17
-        CACHE STRING "C++ standard" FORCE)
-endif ()
+set(CMAKE_CXX_STANDARD 17
+    CACHE STRING "C++ standard" FORCE)
 
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 

build1.sh

@@ -3,15 +3,20 @@
 set -e
 set -x
 
-cmake \
+mkdir -p ./build
+cd build
+
+cmake .. \
+    -GNinja \
     -DCMAKE_BUILD_TYPE=Debug \
     -DWITH_LLVM=yes \
     -DLPYTHON_BUILD_ALL=yes \
     -DWITH_STACKTRACE=yes \
     -DWITH_RUNTIME_STACKTRACE=yes \
+    -DWITH_INTRINSIC_MODULES=yes \
     -DWITH_LSP=no \
     -DWITH_LFORTRAN_BINARY_MODFILES=no \
-    -DCMAKE_PREFIX_PATH="$CMAKE_PREFIX_PATH_LPYTHON;$CONDA_PREFIX" \
+    -DCMAKE_PREFIX_PATH="$PIXI_PROJECT_ROOT/.pixi/envs/host/" \
     -DCMAKE_INSTALL_PREFIX=`pwd`/inst \
-    .
-cmake --build . -j16 --target install
+
+cmake --build . --target install