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-rw-r--r--ale_linters/cpp/clangtidy.vim5
1 files changed, 5 insertions, 0 deletions
diff --git a/ale_linters/cpp/clangtidy.vim b/ale_linters/cpp/clangtidy.vim
index 191b7b07..5e062d86 100644
--- a/ale_linters/cpp/clangtidy.vim
+++ b/ale_linters/cpp/clangtidy.vim
@@ -25,6 +25,11 @@ function! ale_linters#cpp#clangtidy#GetCommand(buffer, output) abort
let l:options .= !empty(l:options) ? ale#Pad(l:cflags) : l:cflags
endif
+ " Tell clang-tidy a .h header with a C++ filetype in Vim is a C++ file.
+ if expand('#' . a:buffer) =~# '\.h$'
+ let l:options .= !empty(l:options) ? ' -x c++' : '-x c++'
+ endif
+
" Get the options to pass directly to clang-tidy
let l:extra_options = ale#Var(a:buffer, 'cpp_clangtidy_extra_options')