IVGCVSW-4487 Remove boost::filesystem

 * Replace filesystem::path
 * Replace filesystem::exists
 * Replace filesystem::is_directory
 * Replace filesystem::directory_iterator
 * Replace filesystem::filesystem_error exception
 * Replace filesystem::temp_directory_path
 * Replace filesystem::unique path
 * Replace filesystem::ofstream with std::ofstream
 * Replace filesystem::remove
 * Replace filesystem::is_regular_file
 * Replace boost::optional with armnn::Optional in touched files
 * Remove some superfluous includes
 * Update build guides, GlobalConfig.cmake and CMakeLists.txt
 * Remove redundant armnnUtils::Filesystem::Remove function.
 * Remove redundant armnnUtils::Filesystem::GetFileSize function.

Temporarily adding back Boost::filesystem to enable Boost::dll.

Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>
Signed-off-by: Colm Donelan <Colm.Donelan@arm.com>

Change-Id: Ifa46d4a0097d2612ddacd8e9736c0b36e365fb11

2 files changed, 7 insertions, 10 deletions

diff --git a/src/armnn/test/CsvReaderTest.cpp b/src/armnn/test/CsvReaderTest.cpp
index 8491ad778d..96185c8408 100644
--- a/src/armnn/test/CsvReaderTest.cpp
+++ b/src/armnn/test/CsvReaderTest.cpp
@@ -3,13 +3,13 @@
 // SPDX-License-Identifier: MIT
 //
 #include "CsvReader.hpp"
+#include "armnn/Optional.hpp"
+#include <Filesystem.hpp>
 
 #include <boost/test/unit_test.hpp>
 
 #include <iostream>
 #include <string>
-#include <boost/filesystem.hpp>
-#include <boost/optional.hpp>
 
 using namespace armnnUtils;
 
@@ -29,11 +29,10 @@ struct TestHelper {
 
     std::string CreateTempCsvFile()
     {
-        boost::filesystem::path fileDir = boost::filesystem::temp_directory_path();
-        boost::filesystem::path p{fileDir / boost::filesystem::unique_path("%%%%-%%%%-%%%%.csv")};
+        fs::path p = armnnUtils::Filesystem::NamedTempFile("Armnn-CreateTempCsvFileTest-TempFile.csv");
         try
         {
-            boost::filesystem::ofstream ofs{p};
+            std::ofstream ofs{p};
             ofs << "airplane, bicycle , bird , \"m,o,n,k,e,y\"\n";
             ofs << "banana, shoe, \"ice\"";
             ofs.close();
@@ -63,17 +62,17 @@ struct TestHelper {
         {
             try
             {
-                boost::filesystem::remove(*m_CsvFile);
+                fs::remove(m_CsvFile.value());
             }
             catch (std::exception &e)
             {
-                std::cerr << "Unable to delete file [" << *m_CsvFile << "] : " << e.what() << std::endl;
+                std::cerr << "Unable to delete file [" << m_CsvFile.value() << "] : " << e.what() << std::endl;
                 BOOST_TEST(false);
             }
         }
     }
 
-    boost::optional<boost::filesystem::path> m_CsvFile;
+    armnn::Optional<fs::path> m_CsvFile;
 };
 }
 
diff --git a/src/armnn/test/ModelAccuracyCheckerTest.cpp b/src/armnn/test/ModelAccuracyCheckerTest.cpp
index 1bffa9c57c..c6c93edc3c 100644
--- a/src/armnn/test/ModelAccuracyCheckerTest.cpp
+++ b/src/armnn/test/ModelAccuracyCheckerTest.cpp
@@ -6,8 +6,6 @@
 
 #include <boost/test/unit_test.hpp>
 
-#include <boost/filesystem.hpp>
-#include <boost/optional.hpp>
 #include <boost/variant.hpp>
 #include <iostream>
 #include <string>