Squashed 'third_party/eigen/' content from commit 61d72f6
Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/cmake/FindUmfpack.cmake b/cmake/FindUmfpack.cmake
new file mode 100644
index 0000000..16b046c
--- /dev/null
+++ b/cmake/FindUmfpack.cmake
@@ -0,0 +1,48 @@
+# Umfpack 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 (UMFPACK_INCLUDES AND UMFPACK_LIBRARIES)
+ set(UMFPACK_FIND_QUIETLY TRUE)
+endif (UMFPACK_INCLUDES AND UMFPACK_LIBRARIES)
+
+find_path(UMFPACK_INCLUDES
+ NAMES
+ umfpack.h
+ PATHS
+ $ENV{UMFPACKDIR}
+ ${INCLUDE_INSTALL_DIR}
+ PATH_SUFFIXES
+ suitesparse
+ ufsparse
+)
+
+find_library(UMFPACK_LIBRARIES umfpack PATHS $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
+
+if(UMFPACK_LIBRARIES)
+
+ if (NOT UMFPACK_LIBDIR)
+ get_filename_component(UMFPACK_LIBDIR ${UMFPACK_LIBRARIES} PATH)
+ endif(NOT UMFPACK_LIBDIR)
+
+ find_library(COLAMD_LIBRARY colamd PATHS ${UMFPACK_LIBDIR} $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
+ if (COLAMD_LIBRARY)
+ set(UMFPACK_LIBRARIES ${UMFPACK_LIBRARIES} ${COLAMD_LIBRARY})
+ endif (COLAMD_LIBRARY)
+
+ find_library(AMD_LIBRARY amd PATHS ${UMFPACK_LIBDIR} $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
+ if (AMD_LIBRARY)
+ set(UMFPACK_LIBRARIES ${UMFPACK_LIBRARIES} ${AMD_LIBRARY})
+ endif (AMD_LIBRARY)
+
+ find_library(SUITESPARSE_LIBRARY SuiteSparse PATHS ${UMFPACK_LIBDIR} $ENV{UMFPACKDIR} ${LIB_INSTALL_DIR})
+ if (SUITESPARSE_LIBRARY)
+ set(UMFPACK_LIBRARIES ${UMFPACK_LIBRARIES} ${SUITESPARSE_LIBRARY})
+ endif (SUITESPARSE_LIBRARY)
+
+endif(UMFPACK_LIBRARIES)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(UMFPACK DEFAULT_MSG
+ UMFPACK_INCLUDES UMFPACK_LIBRARIES)
+
+mark_as_advanced(UMFPACK_INCLUDES UMFPACK_LIBRARIES AMD_LIBRARY COLAMD_LIBRARY SUITESPARSE_LIBRARY)