Set GCC flags appropriately for older versions

1 files changed, 11 insertions, 10 deletions

diff --git a/ale_linters/cpp/gcc.vim b/ale_linters/cpp/gcc.vim
index 9e8f859d..19de0c9c 100644
--- a/ale_linters/cpp/gcc.vim
+++ b/ale_linters/cpp/gcc.vim
@@ -3,16 +3,17 @@
 
 " Set this option to change the GCC options for warnings for C.
 if !exists('g:ale_cpp_gcc_options')
-    " added c++14 standard support
-    " POSIX thread and standard c++ thread and atomic library Linker
-    " let g:ale_cpp_gcc_options = '-std=c++1z' for c++17
-    " for previous version and default, you can just use
-    " let g:ale_cpp_gcc_options = '-Wall'
-    " for more see man pages of gcc
-    " $ man g++
-    " make sure g++ in your $PATH
-    " Add flags according to your requirements
-    let g:ale_cpp_gcc_options = '-std=c++14 -Wall'
+    let s:version = ale#handlers#gcc#ParseGCCVersion(systemlist('gcc --version'))
+
+    if !empty(s:version) && ale#semver#GreaterOrEqual(s:version, [4, 9, 0])
+        " Use c++14 support in 4.9 and above.
+        let g:ale_cpp_gcc_options = '-std=c++14 -Wall'
+    else
+        " Use c++1y in older versions.
+        let g:ale_cpp_gcc_options = '-std=c++1y -Wall'
+    endif
+
+    unlet! s:version
 endif
 
 function! ale_linters#cpp#gcc#GetCommand(buffer) abort