The gfortran checker now supports Intel Fortran.

It's now possible to set g:syntastic_fortran_compiler to 'ifort' to use
Intel Fortran instead of GNU Fortran.

plugin/syntastic.vim

@@ -19,7 +19,7 @@ if has('reltime')
     lockvar! g:_SYNTASTIC_START
 endif
 
-let g:_SYNTASTIC_VERSION = '3.6.0-72'
+let g:_SYNTASTIC_VERSION = '3.6.0-74'
 lockvar g:_SYNTASTIC_VERSION
 
 " Sanity checks {{{1

syntax_checkers/fortran/gfortran.vim

@@ -13,34 +13,101 @@
 if exists('g:loaded_syntastic_fortran_gfortran_checker')
     finish
 endif
-let g:loaded_syntastic_fortran_gfortran_checker=1
+let g:loaded_syntastic_fortran_gfortran_checker = 1
 
 if !exists('g:syntastic_fortran_compiler_options')
     let g:syntastic_fortran_compiler_options = ''
 endif
 
+let s:type_map = {}
+
 let s:save_cpo = &cpo
 set cpo&vim
 
-function! SyntaxCheckers_fortran_gfortran_IsAvailable() dict
+function! SyntaxCheckers_fortran_gfortran_IsAvailable() dict " {{{1
     if !exists('g:syntastic_fortran_compiler')
         let g:syntastic_fortran_compiler = self.getExec()
     endif
     call self.log('g:syntastic_fortran_compiler = ', g:syntastic_fortran_compiler)
     return executable(expand(g:syntastic_fortran_compiler, 1))
-endfunction
+endfunction " }}}1
 
-function! SyntaxCheckers_fortran_gfortran_GetLocList() dict
-    return syntastic#c#GetLocList('fortran', 'gfortran', {
-        \ 'errorformat':
-        \     '%-C %#,'.
-        \     '%-C  %#%.%#,'.
-        \     '%A%f:%l.%c:,'.
-        \     '%Z%trror: %m,'.
-        \     '%Z%tarning: %m,'.
-        \     '%-G%.%#',
+" @vimlint(EVL104, 1, l:errorformat)
+function! SyntaxCheckers_fortran_gfortran_GetLocList() dict " {{{1
+    call s:SetCompilerType(g:syntastic_fortran_compiler)
+    if !has_key(s:type_map, g:syntastic_fortran_compiler)
+        call syntastic#log#error("checker fortran/gfortran: can't parse version string (abnormal termination?)")
+        return []
+    endif
+
+    if exists('g:syntastic_fortran_gfortran_sort')
+        let save_sort = g:syntastic_fortran_gfortran_sort
+    endif
+
+    if s:type_map[g:syntastic_fortran_compiler] ==# 'gfortran'
+        let errorformat =
+            \ '%-C %#,'.
+            \ '%-C  %#%.%#,'.
+            \ '%A%f:%l.%c:,'.
+            \ '%Z%trror: %m,'.
+            \ '%Z%tarning: %m,'.
+            \ '%-G%.%#'
+        if !exists('g:syntastic_fortran_gfortran_sort')
+            let g:syntastic_fortran_gfortran_sort = 0
+        endif
+    elseif s:type_map[g:syntastic_fortran_compiler] ==# 'ifort'
+        let errorformat =
+            \ '%E%f(%l): error #%n: %m,'.
+            \ '%W%f(%l): warning #%n: %m,'.
+            \ '%W%f(%l): remark #%n: %m,'.
+            \ '%-Z%p^,'.
+            \ '%-G%.%#'
+        if !exists('g:syntastic_fortran_gfortran_sort')
+            let g:syntastic_fortran_gfortran_sort = 1
+        endif
+    endif
+
+    let loclist = syntastic#c#GetLocList('fortran', 'gfortran', {
+        \ 'errorformat': errorformat,
         \ 'main_flags': '-fsyntax-only' })
-endfunction
+
+    if s:type_map[g:syntastic_fortran_compiler] ==# 'ifort'
+        for e in loclist
+            if match(getline(e['lnum']), "\t") >= 0
+                let e['vcol'] = 1
+            endif
+        endfor
+    endif
+
+    if exists('save_sort')
+        let g:syntastic_fortran_gfortran_sort = save_sort
+    else
+        unlet! g:syntastic_fortran_gfortran_sort
+    endif
+
+    return loclist
+endfunction " }}}1
+" @vimlint(EVL104, 0, l:errorformat)
+
+" Utilities {{{1
+
+function! s:SetCompilerType(exe) " {{{2
+    if !has_key(s:type_map, a:exe)
+        try
+            let ver = filter( split(syntastic#util#system(syntastic#util#shescape(a:exe) . ' --version'), '\n'),
+                \ 'v:val =~# "\\v^%(GNU Fortran|ifort) "' )[0]
+            if ver =~# '\m^GNU Fortran '
+                let s:type_map[a:exe] = 'gfortran'
+            elseif ver =~# '\m^ifort '
+                let s:type_map[a:exe] = 'ifort'
+            endif
+        catch /\m^Vim\%((\a\+)\)\=:E684/
+            " do nothing
+        endtry
+    endif
+endfunction " }}}2
+
+" }}}
 
 call g:SyntasticRegistry.CreateAndRegisterChecker({
     \ 'filetype': 'fortran',