From 29d58e9de7838bcf32e358602abd4ed4498566f8 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Thu, 5 Aug 2021 14:01:14 +0900
Subject: [PATCH] build: Simplify for string.h and getopt.h.

* configure.ac (AC_CHECK_HEADERS): Remove string.h and getopt.h.
* dirmngr/ks-engine-ldap.c: Remove including getopt.h.
* tools/make-dns-cert.c: Likewise.

--

Checking string.h is supported by AC_HEADER_STDC.  Use of getopt.h
is only needed for getopt_long of GNU extention.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
---
 configure.ac             | 2 +-
 dirmngr/ks-engine-ldap.c | 3 ---
 tools/make-dns-cert.c    | 3 ---
 3 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/configure.ac b/configure.ac
index 361a5d80d..913aeb4e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1358,7 +1358,7 @@ fi
 AC_MSG_NOTICE([checking for header files])
 AC_HEADER_STDC
 AC_HEADER_TIME
-AC_CHECK_HEADERS([string.h unistd.h langinfo.h termio.h locale.h getopt.h \
+AC_CHECK_HEADERS([unistd.h langinfo.h termio.h locale.h \
                   pwd.h inttypes.h signal.h sys/select.h     \
                   stdint.h signal.h termios.h \
                   ucred.h sys/ucred.h sys/sysmacros.h sys/mkdev.h])
diff --git a/dirmngr/ks-engine-ldap.c b/dirmngr/ks-engine-ldap.c
index 25f03c3f6..e0f8e6f7c 100644
--- a/dirmngr/ks-engine-ldap.c
+++ b/dirmngr/ks-engine-ldap.c
@@ -24,9 +24,6 @@
 #include <string.h>
 #include <time.h>
 #include <unistd.h>
-#ifdef HAVE_GETOPT_H
-# include <getopt.h>
-#endif
 #include <stdlib.h>
 #include <npth.h>
 
diff --git a/tools/make-dns-cert.c b/tools/make-dns-cert.c
index 9a7e20d10..865364cb8 100644
--- a/tools/make-dns-cert.c
+++ b/tools/make-dns-cert.c
@@ -22,9 +22,6 @@
 #endif
 
 #include <unistd.h>
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>