Adjust comments in <config.h> reminders.

* lib/*.h: In the comments, mention also HAVE_*.

25 files changed, 30 insertions, 25 deletions

diff --git a/lib/alignalloc.h b/lib/alignalloc.h
index 1574e26c92..a3813db6f8 100644
--- a/lib/alignalloc.h
+++ b/lib/alignalloc.h
@@ -21,7 +21,7 @@
 #define ALIGNALLOC_H_
 
 /* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE, _GL_ATTRIBUTE_ALLOC_SIZE,
-   _GL_ATTRIBUTE_MALLOC, _GL_ATTRIBUTE_RETURNS_NONNULL.  */
+   _GL_ATTRIBUTE_MALLOC, _GL_ATTRIBUTE_RETURNS_NONNULL, HAVE_POSIX_MEMALIGN.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/fpending.h b/lib/fpending.h
index 0585dcb329..1604ca0b7a 100644
--- a/lib/fpending.h
+++ b/lib/fpending.h
@@ -18,7 +18,8 @@
 
    Written by Jim Meyering.  */
 
-/* This file uses _GL_ATTRIBUTE_PURE.  */
+/* This file uses _GL_ATTRIBUTE_PURE, HAVE_STDIO_EXT_H,
+   HAVE_DECL___FPENDING.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/freadable.h b/lib/freadable.h
index c5d5d5cfb9..9a2cb3fecd 100644
--- a/lib/freadable.h
+++ b/lib/freadable.h
@@ -14,7 +14,7 @@
    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
-/* This file uses _GL_ATTRIBUTE_PURE.  */
+/* This file uses _GL_ATTRIBUTE_PURE, HAVE___FREADABLE, HAVE_STDIO_EXT_H.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/freadahead.h b/lib/freadahead.h
index d47026a05a..4a3275e90c 100644
--- a/lib/freadahead.h
+++ b/lib/freadahead.h
@@ -14,7 +14,7 @@
    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
-/* This file uses _GL_ATTRIBUTE_PURE.  */
+/* This file uses _GL_ATTRIBUTE_PURE, HAVE___FREADAHEAD.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/freading.h b/lib/freading.h
index c18ea4a292..0fe4810c3d 100644
--- a/lib/freading.h
+++ b/lib/freading.h
@@ -14,7 +14,7 @@
    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
-/* This file uses _GL_ATTRIBUTE_PURE.  */
+/* This file uses _GL_ATTRIBUTE_PURE, HAVE___FREADING, HAVE_STDIO_EXT_H.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/fwritable.h b/lib/fwritable.h
index d3c0b46615..84559a96a3 100644
--- a/lib/fwritable.h
+++ b/lib/fwritable.h
@@ -14,7 +14,7 @@
    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
-/* This file uses _GL_ATTRIBUTE_PURE.  */
+/* This file uses _GL_ATTRIBUTE_PURE, HAVE___FWRITABLE, HAVE_STDIO_EXT_H.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/fwriting.h b/lib/fwriting.h
index 28cb2c878a..c907695d19 100644
--- a/lib/fwriting.h
+++ b/lib/fwriting.h
@@ -14,7 +14,7 @@
    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
-/* This file uses _GL_ATTRIBUTE_PURE.  */
+/* This file uses _GL_ATTRIBUTE_PURE, HAVE___FWRITING, HAVE_STDIO_EXT_H.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/gethrxtime.h b/lib/gethrxtime.h
index 3a1340b69d..573e600b14 100644
--- a/lib/gethrxtime.h
+++ b/lib/gethrxtime.h
@@ -20,7 +20,8 @@
 #ifndef GETHRXTIME_H_
 #define GETHRXTIME_H_ 1
 
-/* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE.  */
+/* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE, HAVE_ARITHMETIC_HRTIME_T,
+   HAVE_DECL_GETHRTIME.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/glthread/cond.h b/lib/glthread/cond.h
index 4c780d2def..b0d23888e2 100644
--- a/lib/glthread/cond.h
+++ b/lib/glthread/cond.h
@@ -48,7 +48,7 @@
 #ifndef _GLTHREAD_COND_H
 #define _GLTHREAD_COND_H
 
-/* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE.  */
+/* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE, HAVE_THREADS_H.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/glthread/thread.h b/lib/glthread/thread.h
index 091b601e99..88bc53ee7f 100644
--- a/lib/glthread/thread.h
+++ b/lib/glthread/thread.h
@@ -70,7 +70,7 @@
 #ifndef _GLTHREAD_THREAD_H
 #define _GLTHREAD_THREAD_H
 
-/* This file uses _Noreturn.  */
+/* This file uses _Noreturn, HAVE_THREADS_H, HAVE_PTHREAD_ATFORK.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/localename.h b/lib/localename.h
index f5663a6b37..c804e2d823 100644
--- a/lib/localename.h
+++ b/lib/localename.h
@@ -17,7 +17,7 @@
 #ifndef _GL_LOCALENAME_H
 #define _GL_LOCALENAME_H
 
-/* This file uses _GL_ATTRIBUTE_CONST.  */
+/* This file uses _GL_ATTRIBUTE_CONST, HAVE_CFPREFERENCESCOPYAPPVALUE.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/malloca.h b/lib/malloca.h
index 576a56de40..f68ddfe010 100644
--- a/lib/malloca.h
+++ b/lib/malloca.h
@@ -19,7 +19,7 @@
 #define _MALLOCA_H
 
 /* This file uses _GL_ATTRIBUTE_ALLOC_SIZE, _GL_ATTRIBUTE_DEALLOC,
-   _GL_ATTRIBUTE_MALLOC.  */
+   _GL_ATTRIBUTE_MALLOC, HAVE_ALLOCA.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/openat.h b/lib/openat.h
index ba4a780dc0..97f066d10f 100644
--- a/lib/openat.h
+++ b/lib/openat.h
@@ -20,7 +20,7 @@
 #define _GL_HEADER_OPENAT
 
 /* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE, _Noreturn,
-   _GL_ATTRIBUTE_DEPRECATED.  */
+   _GL_ATTRIBUTE_DEPRECATED, HAVE_OPENAT.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/priv-set.h b/lib/priv-set.h
index e9ffc0c9aa..c9d42b4e07 100644
--- a/lib/priv-set.h
+++ b/lib/priv-set.h
@@ -17,7 +17,8 @@
 
    Written by David Bartley.  */
 
-/* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE.  */
+/* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE, HAVE_PRIV_H,
+   HAVE_GETPPRIV.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/readline.h b/lib/readline.h
index 9048b727d7..416121c5c2 100644
--- a/lib/readline.h
+++ b/lib/readline.h
@@ -18,7 +18,7 @@
 #ifndef GL_READLINE_H
 #define GL_READLINE_H
 
-/* This file uses _GL_ATTRIBUTE_MALLOC.  */
+/* This file uses _GL_ATTRIBUTE_MALLOC, HAVE_READLINE_READLINE_H.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/readutmp.h b/lib/readutmp.h
index eda80a44fa..097dca6024 100644
--- a/lib/readutmp.h
+++ b/lib/readutmp.h
@@ -20,7 +20,9 @@
 #ifndef __READUTMP_H__
 # define __READUTMP_H__
 
-/* This file uses _GL_ATTRIBUTE_MALLOC, _GL_ATTRIBUTE_RETURNS_NONNULL.  */
+/* This file uses _GL_ATTRIBUTE_MALLOC, _GL_ATTRIBUTE_RETURNS_NONNULL,
+   HAVE_UTMP_H, HAVE_UTMPX_H, HAVE_STRUCT_UTMP_*, HAVE_STRUCT_UTMPX_*,
+   HAVE_UTMPNAME, HAVE_UTMPXNAME, HAVE_DECL_GETUTENT.  */
 # if !_GL_CONFIG_H_INCLUDED
 #  error "Please include config.h first."
 # endif
diff --git a/lib/relocatable.h b/lib/relocatable.h
index b29c29ed1b..f4634b1238 100644
--- a/lib/relocatable.h
+++ b/lib/relocatable.h
@@ -18,7 +18,7 @@
 #ifndef _RELOCATABLE_H
 #define _RELOCATABLE_H
 
-/* This file uses _GL_ATTRIBUTE_MALLOC.  */
+/* This file uses _GL_ATTRIBUTE_MALLOC, HAVE_VISIBILITY.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/stat-time.h b/lib/stat-time.h
index 487e8b0971..5b2702356e 100644
--- a/lib/stat-time.h
+++ b/lib/stat-time.h
@@ -21,7 +21,7 @@
 #define STAT_TIME_H 1
 
 /* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE, _GL_UNUSED,
-   _GL_ATTRIBUTE_PURE.  */
+   _GL_ATTRIBUTE_PURE, HAVE_STRUCT_STAT_*.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/striconv.h b/lib/striconv.h
index 6cd7dc31cf..a4164da636 100644
--- a/lib/striconv.h
+++ b/lib/striconv.h
@@ -18,7 +18,7 @@
 #ifndef _STRICONV_H
 #define _STRICONV_H
 
-/* This file uses _GL_ATTRIBUTE_MALLOC.  */
+/* This file uses _GL_ATTRIBUTE_MALLOC, HAVE_ICONV.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/striconveh.h b/lib/striconveh.h
index 6bced43e9c..b109af4ea9 100644
--- a/lib/striconveh.h
+++ b/lib/striconveh.h
@@ -18,7 +18,7 @@
 #ifndef _STRICONVEH_H
 #define _STRICONVEH_H
 
-/* This file uses _GL_ATTRIBUTE_MALLOC.  */
+/* This file uses _GL_ATTRIBUTE_MALLOC, HAVE_ICONV.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/term-style-control.h b/lib/term-style-control.h
index 6b77277cf3..e144db944d 100644
--- a/lib/term-style-control.h
+++ b/lib/term-style-control.h
@@ -21,7 +21,7 @@
 /* The user of this file will define a macro 'term_style_user_data', such that
    'struct term_style_user_data' is a user-defined struct.  */
 
-/* This file uses _GL_ASYNC_SAFE.  */
+/* This file uses _GL_ASYNC_SAFE, HAVE_TCGETATTR.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/xmalloca.h b/lib/xmalloca.h
index 3f03eba5aa..9ef41c6052 100644
--- a/lib/xmalloca.h
+++ b/lib/xmalloca.h
@@ -19,7 +19,7 @@
 #define _XMALLOCA_H
 
 /* This file uses _GL_ATTRIBUTE_ALLOC_SIZE, _GL_ATTRIBUTE_DEALLOC,
-   _GL_ATTRIBUTE_MALLOC, _GL_ATTRIBUTE_RETURNS_NONNULL.  */
+   _GL_ATTRIBUTE_MALLOC, _GL_ATTRIBUTE_RETURNS_NONNULL, HAVE_ALLOCA.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/xsize.h b/lib/xsize.h
index 746d6569bf..5b08d61f2f 100644
--- a/lib/xsize.h
+++ b/lib/xsize.h
@@ -18,7 +18,7 @@
 #ifndef _XSIZE_H
 #define _XSIZE_H
 
-/* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE.  */
+/* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE, HAVE_STDINT_H.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/xstriconv.h b/lib/xstriconv.h
index ee17e490c5..5a3a6636d3 100644
--- a/lib/xstriconv.h
+++ b/lib/xstriconv.h
@@ -18,7 +18,7 @@
 #ifndef _XSTRICONV_H
 #define _XSTRICONV_H
 
-/* This file uses _GL_ATTRIBUTE_MALLOC.  */
+/* This file uses _GL_ATTRIBUTE_MALLOC, HAVE_ICONV.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif
diff --git a/lib/xstriconveh.h b/lib/xstriconveh.h
index fe15eed912..35ef5620f5 100644
--- a/lib/xstriconveh.h
+++ b/lib/xstriconveh.h
@@ -18,7 +18,7 @@
 #ifndef _XSTRICONVEH_H
 #define _XSTRICONVEH_H
 
-/* This file uses _GL_ATTRIBUTE_MALLOC.  */
+/* This file uses _GL_ATTRIBUTE_MALLOC, HAVE_ICONV.  */
 #if !_GL_CONFIG_H_INCLUDED
  #error "Please include config.h first."
 #endif