made a cmake build for the gpulib. first step toward a sedacs spackage

src/sedacs/gpu/nvda/CMakeLists.txt

@@ -0,0 +1,73 @@
+cmake_minimum_required(VERSION 3.18)
+project(nvda LANGUAGES CXX)
+
+# ------------------------------------------------------
+# Set NVIDIA compiler and flags from environment
+# ------------------------------------------------------
+#set(CMAKE_CXX_COMPILER $ENV{CXX})
+
+# ------------------------------------------------------
+# Configure MPI using find_package with custom path
+# ------------------------------------------------------
+find_package(MPI REQUIRED)
+
+message(STATUS "MPI Include Path: ${MPI_INCLUDE_PATH}")
+message(STATUS "MPI Libraries: ${MPI_CXX_LIBRARIES}")
+
+# ------------------------------------------------------
+# Include directories
+# ------------------------------------------------------
+include_directories(
+    include
+    ${MPI_INCLUDE_PATH}
+    $ENV{NVHPC_ROOT}/compilers/include
+    $ENV{NVHPC_ROOT}/math_libs/include
+    $ENV{NVHPC_ROOT}/cuda/include
+    $ENV{LAPACK_ROOT}/include
+)
+
+# ------------------------------------------------------
+# Library search paths (if needed)
+# ------------------------------------------------------
+link_directories(
+    $ENV{NVHPC_ROOT}/compilers/lib64
+    $ENV{NVHPC_ROOT}/math_libs/lib64
+    $ENV{NVHPC_ROOT}/cuda/lib64
+    $ENV{LAPACK_ROOT}/lib
+)
+
+# ------------------------------------------------------
+# Source files (treat .cu as C++ with nvc++)
+# ------------------------------------------------------
+file(GLOB_RECURSE ALL_SRCS
+    src/diag/*.cu
+    src/dnnsp2/*.cu
+    src/dnnprt/*.cu
+    src/goldensp2/*.cu
+    src/movingmusp2/*.cu
+    src/fastcheby/*.cu
+    src/mlsp2/*.cu
+    src/lib/*.cu
+)
+
+# Explicitly mark .cu as C++ files
+foreach(file ${ALL_SRCS})
+    set_source_files_properties(${file} PROPERTIES LANGUAGE CXX)
+endforeach()
+
+# ------------------------------------------------------
+# Shared library target
+# ------------------------------------------------------
+add_library(nvda SHARED ${ALL_SRCS})
+set_target_properties(nvda PROPERTIES OUTPUT_NAME "nvda")
+
+target_link_libraries(nvda
+    ${MPI_CXX_LIBRARIES}
+    cudanvhpc
+    cublas
+    cusolver
+    cudart
+    nvToolsExt
+    lapack
+)
+

src/sedacs/gpu/nvda/cmake-build.sh

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+# clear the build dir
+rm -rf build;
+mkdir build;
+cd build;
+
+cmake .. \
+  -DCMAKE_VERBOSE_MAKEFILE=ON \
+  -DCMAKE_CXX_COMPILER=nvc++ \
+  -DCMAKE_CXX_FLAGS="-O3 -cuda -gpu=cc89 -acc=gpu -Minfo=accel -fPIC \
+                     --diag_suppress=bad_macro_redef \
+                     --diag_suppress=cuda_compile \
+                     --diag_suppress=declared_but_not_referenced " \
+#-DNVHPC_ROOT=/opt/nvidia/hpc_sdk/Linux_x86_64/24.3 \
+#-DOMPI_ROOT=/projects/shared/spack/opt/spack/linux-zen4/openmpi-5.0.7-6dehamwfocnigimmbozkxhujq4b3epqf \
+#-DLAPACK_ROOT=/path/to/lapack \
+#-DCMAKE_PREFIX_PATH="/projects/shared/spack/opt/spack/linux-zen4/openmpi-5.0.7-6dehamwfocnigimmbozkxhujq4b3epqf"
+
+
+make -j