[RFC PATCH Vim] Add support for Hurd

[Zhaoming Luo]

Please have a look, I hope the semantics are correct :).

Zhaoming

---
 runtime/doc/builtin.txt        | 1 +
 src/evalfunc.c                 | 9 ++++++++-
 src/testdir/test_functions.vim | 2 ++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index d7ed7320f..310268b00 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -12639,6 +12639,7 @@ gui_win32s              idem, and Win32s system being 
used (Windows 3.1)
 haiku                  Haiku version of Vim.
 hangul_input           Compiled with Hangul input support. |hangul|
 hpux                   HP-UX version of Vim.
+hurd                   Hurd version of Vim
 iconv                  Can use iconv() for conversion.
 insert_expand          Compiled with support for CTRL-X expansion commands in
                        Insert mode. (always true)
diff --git a/src/evalfunc.c b/src/evalfunc.c
index d81480b50..27b54b7f0 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -6409,7 +6409,7 @@ f_has(typval_T *argvars, typval_T *rettv)
 #endif
                },
        {"bsd",
-#if defined(BSD) && !defined(MACOS_X)
+#if defined(BSD) && !defined(MACOS_X) && !defined(__GNU__)
                1
 #else
                0
@@ -6420,6 +6420,13 @@ f_has(typval_T *argvars, typval_T *rettv)
                1
 #else
                0
+#endif
+               },
+       {"hurd",
+#ifdef __GNU__
+               1
+#else
+               0
 #endif
                },
        {"linux",
diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index f80754f0a..ca9137df3 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -2760,6 +2760,7 @@ func Test_platform_name()
   " Is Unix?
   call assert_equal(has('bsd'), has('bsd') && has('unix'))
   call assert_equal(has('hpux'), has('hpux') && has('unix'))
+  call assert_equal(has('hurd'), has('hurd') && has('unix'))
   call assert_equal(has('linux'), has('linux') && has('unix'))
   call assert_equal(has('mac'), has('mac') && has('unix'))
   call assert_equal(has('qnx'), has('qnx') && has('unix'))
@@ -2777,6 +2778,7 @@ func Test_platform_name()
     call assert_equal(uname =~? 'QNX', has('qnx'))
     call assert_equal(uname =~? 'SunOS', has('sun'))
     call assert_equal(uname =~? 'CYGWIN\|MSYS', has('win32unix'))
+    call assert_equal(uname =~? 'GNU', has('hurd'))
   endif
 endfunc
 
-- 
2.47.2