fix bug that fail the version finder (#2568)

fengleitian · diyessi · commit 524f57bd3a89 · 2019-03-06T11:11:15.000-08:00
diff --git a/src/ngraph/codegen/compiler.cpp b/src/ngraph/codegen/compiler.cpp
@@ -633,7 +633,7 @@ std::string codegen::CompilerCore::find_header_version(const std::string& path)
 {
     // Step 1: find highest g++ version
     std::string gpp_prefix = file_util::path_join(path, "bin/g++-");
-    std::string gpp_ver = "0";
+    std::string gpp_ver;
     for (auto i : {"8", "7", "6", "5", "4.9", "4.8"})
     {
         if (file_util::exists(gpp_prefix + i))

Original file line number	Diff line number	Diff line change
`@@ -633,7 +633,7 @@ std::string codegen::CompilerCore::find_header_version(const std::string& path)`
`633`	`633`	`{`
`634`	`634`	`// Step 1: find highest g++ version`
`635`	`635`	`std::string gpp_prefix = file_util::path_join(path, "bin/g++-");`
`636`		`- std::string gpp_ver = "0";`
	`636`	`+ std::string gpp_ver;`
`637`	`637`	`for (auto i : {"8", "7", "6", "5", "4.9", "4.8"})`
`638`	`638`	`{`
`639`	`639`	`if (file_util::exists(gpp_prefix + i))`