Merge pull request #170 from dzenanz/master

Allow the library to be used from build directory. Closes #169.

Author: JohanMabille

CMakeLists.txt

@@ -124,6 +124,16 @@ add_library(xtensor-io INTERFACE)
 
 include_directories(${GTEST_INCLUDE_DIRS})
 
+find_path(ghc-filesystem-include REQUIRED
+    NAMES "ghc/filesystem.hpp"
+    DOC "Path to include directory of https://github.com/gulrak/filesystem"
+    )
+target_include_directories(xtensor-io
+    INTERFACE
+    $<BUILD_INTERFACE:${ghc-filesystem-include}>
+    $<INSTALL_INTERFACE:include>
+)
+
 target_include_directories(xtensor-io
     INTERFACE
     $<BUILD_INTERFACE:${XTENSOR_IO_INCLUDE_DIR}>

include/xtensor-io/xio_disk_handler.hpp

@@ -62,7 +62,7 @@ namespace xt
                     {
                         if (!fs::is_directory(directory))
                         {
-                            XTENSOR_THROW(std::runtime_error, "Path is not a directory: " + std::string(directory));
+                            XTENSOR_THROW(std::runtime_error, "Path is not a directory: " + std::string(directory.string()));
                         }
                     }
                     else

xtensor-ioConfig.cmake.in

@@ -19,11 +19,6 @@
 include(CMakeFindDependencyMacro)
 find_dependency(xtensor @xtensor_REQUIRED_VERSION@)
 
-set(PN xtensor_io)
-set_and_check(${PN}_INCLUDE_DIRS "${PACKAGE_PREFIX_DIR}/@CMAKE_INSTALL_INCLUDEDIR@")
-set(${PN}_LIBRARY "")
-check_required_components(${PN})
-
 if(NOT TARGET @PROJECT_NAME@)
   include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
 endif()