From 092239c608efa6e266599a5d0117bda9cfb60221 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering@redhat.com>
Date: Wed, 19 Mar 2008 15:52:26 +0100
Subject: Check for -- and remove -- some unnecessarily included header files.

* Makefile.maint: Add checks for a handful of additional header files.
* src/mktemp.c: Don't include "long-options.h".  Not used.
* src/pr.c: Don't include "inttostr.h".  Not used.
* src/printenv.c: Don't include "error.h".  Not used.
* src/test.c: Don't include "error.h".  Not used.
* src/touch.c: Don't include "safe-read.h".  Not used.
---
 Makefile.maint | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'Makefile.maint')

diff --git a/Makefile.maint b/Makefile.maint
index 9f9401b5d..c866cbad7 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -196,6 +196,36 @@ sc_prohibit_quotearg_without_use:
 sc_prohibit_quote_without_use:
 	@h='"quote.h"' re='\<quote(_n)? *\(' $(_header_without_use)
 
+# Don't include this header unless you use one of its functions.
+sc_prohibit_long_options_without_use:
+	@h='"long-options.h"' re='\<parse_long_options *\(' \
+	  $(_header_without_use)
+
+# Don't include this header unless you use one of its functions.
+sc_prohibit_inttostr_without_use:
+	@h='"inttostr.h"' re='\<(off|[iu]max|uint)tostr *\(' \
+	  $(_header_without_use)
+
+# Don't include this header unless you use one of its functions.
+sc_prohibit_error_without_use:
+	@h='"error.h"' \
+	re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\
+	  $(_header_without_use)
+
+sc_prohibit_safe_read_without_use:
+	@h='"safe-read.h"' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
+	  $(_header_without_use)
+
+sc_prohibit_argmatch_without_use:
+	@h='"argmatch.h"' \
+	re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<argmatch(_exit_fn|_(in)?valid) *\()' \
+	  $(_header_without_use)
+
+sc_prohibit_root_dev_ino_without_use:
+	@h='"root-dev-ino.h"' \
+	re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \
+	  $(_header_without_use)
+
 sc_obsolete_symbols:
 	@grep -nE '\<(HAVE''_FCNTL_H|O''_NDELAY)\>'			\
 	     $$($(VC_LIST_EXCEPT)) &&					\
-- 
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