From c0e1d510fd7086a7e79987b7df0a789a4457c5dc Mon Sep 17 00:00:00 2001
From: Kyle Vedder <kyle.c.vedder@gmail.com>
Date: Wed, 4 Oct 2017 21:01:23 -0500
Subject: Add support for SuiteSparse's KLU routines

---
 cmake/FindKLU.cmake | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 cmake/FindKLU.cmake

(limited to 'cmake/FindKLU.cmake')

diff --git a/cmake/FindKLU.cmake b/cmake/FindKLU.cmake
new file mode 100644
index 000000000..2783b63d2
--- /dev/null
+++ b/cmake/FindKLU.cmake
@@ -0,0 +1,51 @@
+# KLU lib usually requires linking to a blas library.
+# It is up to the user of this module to find a BLAS and link to it.
+
+if (KLU_INCLUDES AND KLU_LIBRARIES)
+  set(KLU_FIND_QUIETLY TRUE)
+endif (KLU_INCLUDES AND KLU_LIBRARIES)
+
+find_path(KLU_INCLUDES
+  NAMES
+  klu.h
+  PATHS
+  $ENV{KLUDIR}
+  ${INCLUDE_INSTALL_DIR}
+  PATH_SUFFIXES
+  suitesparse
+  ufsparse
+)
+
+if(KLU_LIBRARIES)
+
+  if(NOT KLU_LIBDIR)
+    get_filename_component(KLU_LIBDIR ${KLU_LIBRARIES} PATH)
+  endif(NOT KLU_LIBDIR)
+
+  find_library(COLAMD_LIBRARY colamd PATHS ${KLU_LIBDIR} $ENV{KLUDIR} ${LIB_INSTALL_DIR})
+  if(COLAMD_LIBRARY)
+    set(KLU_LIBRARIES ${KLU_LIBRARIES} ${COLAMD_LIBRARY})
+  endif ()
+  
+  find_library(AMD_LIBRARY amd PATHS ${KLU_LIBDIR} $ENV{KLUDIR} ${LIB_INSTALL_DIR})
+  if(AMD_LIBRARY)
+    set(KLU_LIBRARIES ${KLU_LIBRARIES} ${AMD_LIBRARY})
+  endif ()
+
+  find_library(SUITESPARSE_LIBRARY SuiteSparse PATHS ${KLU_LIBDIR} $ENV{KLUDIR} ${LIB_INSTALL_DIR})
+  if(SUITESPARSE_LIBRARY)
+    set(KLU_LIBRARIES ${KLU_LIBRARIES} ${SUITESPARSE_LIBRARY})
+  endif ()
+
+  find_library(CHOLMOD_LIBRARY cholmod PATHS $ENV{KLU_LIBDIR} $ENV{KLUDIR} ${LIB_INSTALL_DIR})
+  if(CHOLMOD_LIBRARY)
+    set(KLU_LIBRARIES ${KLU_LIBRARIES} ${CHOLMOD_LIBRARY})
+  endif()
+
+endif(KLU_LIBRARIES)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(KLU DEFAULT_MSG
+                                  KLU_INCLUDES KLU_LIBRARIES)
+
+mark_as_advanced(KLU_INCLUDES KLU_LIBRARIES AMD_LIBRARY COLAMD_LIBRARY CHOLMOD_LIBRARY SUITESPARSE_LIBRARY)
-- 
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