Adapt the MS-Windows build to 'nofollow' changes

* nt/gnulib-cfg.mk (OMIT_GNULIB_MODULE_fchmodat)
(OMIT_GNULIB_MODULE_lchmod): Set to true to omit building these
modules on MS-Windows.
* nt/mingw-cfg.site (ac_cv_func_fchmodat)
(gl_cv_func_fchmodat_works, ac_cv_func_lchmod): Disable tests on
MS-Windows.

* src/w32.c (chmod_worker, lchmod, fchmodat): New functions.
(sys_chmod): Move most of the code to chmod_worker.
* src/w32.h (fchmodat, lchmod): Add prototypes.

2 files changed, 5 insertions, 0 deletions

diff --git a/nt/gnulib-cfg.mk b/nt/gnulib-cfg.mk
index 08e83e028da..1d120a973d1 100644
--- a/nt/gnulib-cfg.mk
+++ b/nt/gnulib-cfg.mk
@@ -63,3 +63,5 @@ OMIT_GNULIB_MODULE_sys_time = true
 OMIT_GNULIB_MODULE_sys_types = true
 OMIT_GNULIB_MODULE_unistd = true
 OMIT_GNULIB_MODULE_canonicalize-lgpl = true
+OMIT_GNULIB_MODULE_fchmodat = true
+OMIT_GNULIB_MODULE_lchmod = true
diff --git a/nt/mingw-cfg.site b/nt/mingw-cfg.site
index dfdca3926f9..5bd5b834634 100644
--- a/nt/mingw-cfg.site
+++ b/nt/mingw-cfg.site
@@ -102,6 +102,9 @@ ac_cv_func_lstat=yes
 gl_cv_func_lstat_dereferences_slashed_symlink=yes
 ac_cv_func_fstatat=yes
 gl_cv_func_fstatat_zero_flag=yes
+ac_cv_func_fchmodat=yes
+gl_cv_func_fchmodat_works="not-needed-so-yes"
+ac_cv_func_lchmod=yes
 # Aliased to _commit in ms-w32.h
 ac_cv_func_fsync=yes
 ac_cv_func_fdatasync=yes