Several minor cmake fixes

Author: emmenlau

CMakeLists.txt

@@ -88,10 +88,10 @@ if (CXXBLAS_DEBUG)
 endif()
 
 OPTION(BUILD_TESTS "xtensor-blas test suite" OFF)
-OPTION(DOWNLOAD_GTEST "build gtest from downloaded sources" OFF)
+OPTION(BUILD_BENCHMARK "xtensor-blas test suite" OFF)
 
-OPTION(BUILD_BENCHMARKS "xtensor-blas test suite" OFF)
-OPTION(DOWNLOAD_GBENCHMARK "build gtest from downloaded sources" OFF)
+OPTION(DOWNLOAD_GTEST "download gtest and build from source" OFF)
+OPTION(DOWNLOAD_GBENCHMARK "download google benchmark and build from source" OFF)
 
 if(DOWNLOAD_GTEST OR GTEST_SRC_DIR)
     set(BUILD_TESTS ON)

benchmark/CMakeLists.txt

@@ -12,7 +12,7 @@ if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
     project(xtensor-benchmark)
 
     find_package(xtensor REQUIRED CONFIG)
-    set(XTENSOR_INCLUDE_DIR ${xtensor_INCLUDE_DIR})
+    set(XTENSOR_INCLUDE_DIR ${xtensor_INCLUDE_DIRS})
 endif ()
 
 message(STATUS "Forcing tests build type to Release")

test/CMakeLists.txt

@@ -13,13 +13,17 @@ if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
     project(xtensor-blas-test)
 
     find_package(xtensor REQUIRED CONFIG)
-    set(XTENSOR_INCLUDE_DIR ${xtensor_INCLUDE_DIR})
+    set(XTENSOR_INCLUDE_DIR ${xtensor_INCLUDE_DIRS})
     find_package(xtensor-blas REQUIRED CONFIG)
     set(XTENSOR_BLAS_INCLUDE_DIR ${xblas_INCLUDE_DIRS})
 endif ()
 
-message(STATUS "Forcing tests build type to Release")
-set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
+if(NOT CMAKE_BUILD_TYPE)
+    message(STATUS "Setting tests build type to Release")
+    set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
+else()
+    message(STATUS "Tests build type is ${CMAKE_BUILD_TYPE}")
+endif()
 
 include(CheckCXXCompilerFlag)