From 44861dcbfeee041223c4aac1ee075e92fa4daa01 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 18 Sep 2016 12:42:15 +0200
Subject: update

---
 eigen/cmake/FindGoogleHash.cmake | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 eigen/cmake/FindGoogleHash.cmake

(limited to 'eigen/cmake/FindGoogleHash.cmake')

diff --git a/eigen/cmake/FindGoogleHash.cmake b/eigen/cmake/FindGoogleHash.cmake
new file mode 100644
index 0000000..f6a81a0
--- /dev/null
+++ b/eigen/cmake/FindGoogleHash.cmake
@@ -0,0 +1,23 @@
+
+if (GOOGLEHASH_INCLUDES AND GOOGLEHASH_LIBRARIES)
+  set(GOOGLEHASH_FIND_QUIETLY TRUE)
+endif (GOOGLEHASH_INCLUDES AND GOOGLEHASH_LIBRARIES)
+
+find_path(GOOGLEHASH_INCLUDES
+  NAMES
+  google/dense_hash_map
+  PATHS
+  ${INCLUDE_INSTALL_DIR}
+)
+
+if(GOOGLEHASH_INCLUDES)
+  # let's make sure it compiles with the current compiler
+  file(WRITE ${CMAKE_BINARY_DIR}/googlehash_test.cpp
+  "#include <google/sparse_hash_map>\n#include <google/dense_hash_map>\nint main(int argc, char** argv) { google::dense_hash_map<int,float> a; google::sparse_hash_map<int,float> b; return 0;}\n")
+  try_compile(GOOGLEHASH_COMPILE ${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}/googlehash_test.cpp OUTPUT_VARIABLE GOOGLEHASH_COMPILE_RESULT)
+endif(GOOGLEHASH_INCLUDES)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GOOGLEHASH DEFAULT_MSG GOOGLEHASH_INCLUDES GOOGLEHASH_COMPILE)
+
+mark_as_advanced(GOOGLEHASH_INCLUDES)
-- 
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