added FindProtoDeps.cmake

Author: galabovaa

CMakeLists.txt

@@ -146,6 +146,9 @@ endif()
   # message(STATUS "CUPLDP with Nvidia is only supported on Linux at the moment. Using CPU version.")
 # endif()
 
+option(PROTO_IPM "Build ProtoIPM" OFF)
+message(STATUS "Build ProtoIPM: ${PROTO_IPM}")
+
 if (CUPDLP_GPU)
   if (WIN32)
     set(BUILD_SHARED_LIBS ON)
@@ -176,6 +179,14 @@ endif()
 # in comparison with the CPU
 option(CUPDLP_FORCE_NATIVE "Build pdlp with native termination" OFF)
 
+# ProtoIPM deps 
+if(PROTO_IPM)
+  # find_package(METIS REQUIRED)
+  # find_package(GKlib REQUIRED)
+  # does not work with outdated CMake 
+  include(FindProtoDeps)
+endif()
+
 if (BUILD_CXX)
   # Default Build Type to be Release
   get_property(isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)

cmake/FindProtoDeps.cmake

@@ -0,0 +1,28 @@
+
+# BLAS
+if(NOT APPLE)
+    find_library(BLAS_LIB NAMES blas PATH /opt/intel/oneapi/mkl/latest/lib/)
+    if(BLAS_LIB)
+        message("Found BLAS library at ${BLAS_LIB}")
+    else(BLAS_LIB)
+        find_library(OPENBLAS_LIB NAMES openblas)
+        if(NOT OPENBLAS_LIB)
+            message(FATAL_ERROR "No BLAS library found")
+        endif(NOT OPENBLAS_LIB)
+        message("Found OpenBLAS library at ${OPENBLAS_LIB}")
+    endif(BLAS_LIB)
+endif(NOT APPLE)
+
+# Metis
+find_path(METIS_PATH NAMES "metis.h" REQUIRED HINTS "${METIS_DIR}/include")
+message("Found Metis header at ${METIS_PATH}")
+
+find_library(METIS_LIB NAMES metis REQUIRED HINTS "${METIS_PATH}/../lib")
+message("Found Metis library at ${METIS_LIB}")
+
+# GKlib
+find_path(GKLIB_PATH NAMES "GKlib.h" REQUIRED HINTS "${GKLIB_DIR}/include" HINTS "${METIS_DIR}/include")
+message("Found GKlib header at ${GKLIB_PATH}")
+
+find_library(GKLIB_LIB NAMES GKlib REQUIRED HINTS "${GKLIB_PATH}/../lib")
+message("Found GKlib library at ${GKLIB_LIB}")