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/FindSPQR.cmake b/cmake/FindSPQR.cmake
new file mode 100644
index 0000000..794c212
--- /dev/null
+++ b/cmake/FindSPQR.cmake
@@ -0,0 +1,36 @@
+# SPQR lib usually requires linking to a blas and lapack library.
+# It is up to the user of this module to find a BLAS and link to it.
+
+# SPQR lib requires Cholmod, colamd and amd as well.
+# FindCholmod.cmake can be used to find those packages before finding spqr
+
+if (SPQR_INCLUDES AND SPQR_LIBRARIES)
+ set(SPQR_FIND_QUIETLY TRUE)
+endif (SPQR_INCLUDES AND SPQR_LIBRARIES)
+
+find_path(SPQR_INCLUDES
+ NAMES
+ SuiteSparseQR.hpp
+ PATHS
+ $ENV{SPQRDIR}
+ ${INCLUDE_INSTALL_DIR}
+ PATH_SUFFIXES
+ suitesparse
+ ufsparse
+)
+
+find_library(SPQR_LIBRARIES spqr $ENV{SPQRDIR} ${LIB_INSTALL_DIR})
+
+if(SPQR_LIBRARIES)
+
+ find_library(SUITESPARSE_LIBRARY SuiteSparse PATHS $ENV{SPQRDIR} ${LIB_INSTALL_DIR})
+ if (SUITESPARSE_LIBRARY)
+ set(SPQR_LIBRARIES ${SPQR_LIBRARIES} ${SUITESPARSE_LIBRARY})
+ endif (SUITESPARSE_LIBRARY)
+
+endif(SPQR_LIBRARIES)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SPQR DEFAULT_MSG SPQR_INCLUDES SPQR_LIBRARIES)
+
+mark_as_advanced(SPQR_INCLUDES SPQR_LIBRARIES)
\ No newline at end of file