Updated plugins

sources_non_forked/syntastic/syntax_checkers/cpp/gcc.vim

@@ -15,10 +15,6 @@ if exists('g:loaded_syntastic_cpp_gcc_checker')
 endif
 let g:loaded_syntastic_cpp_gcc_checker = 1
 
-if !exists('g:syntastic_cpp_compiler')
-    let g:syntastic_cpp_compiler = executable('g++') ? 'g++' : 'clang++'
-endif
-
 if !exists('g:syntastic_cpp_compiler_options')
     let g:syntastic_cpp_compiler_options = ''
 endif
@@ -27,6 +23,9 @@ let s:save_cpo = &cpo
 set cpo&vim
 
 function! SyntaxCheckers_cpp_gcc_IsAvailable() dict
+    if !exists('g:syntastic_cpp_compiler')
+        let g:syntastic_cpp_compiler = executable(self.getExec()) ? self.getExec() : 'clang++'
+    endif
     return executable(expand(g:syntastic_cpp_compiler))
 endfunction
 
@@ -47,7 +46,8 @@ endfunction
 
 call g:SyntasticRegistry.CreateAndRegisterChecker({
     \ 'filetype': 'cpp',
-    \ 'name': 'gcc' })
+    \ 'name': 'gcc',
+    \ 'exec': 'g++' })
 
 let &cpo = s:save_cpo
 unlet s:save_cpo