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@@ -1,151 +0,0 @@
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-From 4e102de2e6204c1d8e8be00bb5ffd4587e70350c Mon Sep 17 00:00:00 2001
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-From: Khem Raj <raj.khem@gmail.com>
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-Date: Mon, 15 Aug 2022 10:35:53 -0700
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-Subject: [PATCH] configure: Add needed system headers in checks
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-
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-Newer compilers throw warnings when a funciton is used with implicit
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-declaration and enabling -Werror can silently fail these tests and
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-result in wrong configure results. Therefore add the needed headers in
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-the AC_TRY_LINK macros
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-
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- * configure.ac: Add missing system headers in AC_TRY_LINK.
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-
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-Upstream-Status: Submitted [https://lists.gnu.org/archive/html/screen-devel/2022-08/msg00000.html]
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-Signed-off-by: Khem Raj <raj.khem@gmail.com>
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----
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- configure.ac | 57 +++++++++++++++++++++++++++++++++++++++-------------
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- 1 file changed, 43 insertions(+), 14 deletions(-)
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-
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-diff --git a/configure.ac b/configure.ac
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-index c0f02df..d308079 100644
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---- a/configure.ac
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-+++ b/configure.ac
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-@@ -233,6 +233,7 @@ AC_CHECKING(BSD job jontrol)
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- AC_TRY_LINK(
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- [#include <sys/types.h>
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- #include <sys/ioctl.h>
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-+#include <unistd.h>
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- ], [
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- #ifdef POSIX
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- tcsetpgrp(0, 0);
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-@@ -250,12 +251,16 @@ dnl
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- dnl **** setresuid(), setreuid(), seteuid() ****
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- dnl
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- AC_CHECKING(setresuid)
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--AC_TRY_LINK(,[
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--setresuid(0, 0, 0);
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-+AC_TRY_LINK([
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-+#include <unistd.h>
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-+],[
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-+return setresuid(0, 0, 0);
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- ], AC_DEFINE(HAVE_SETRESUID))
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- AC_CHECKING(setreuid)
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--AC_TRY_LINK(,[
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--setreuid(0, 0);
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-+AC_TRY_LINK([
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-+#include <unistd.h>
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-+],[
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-+return setreuid(0, 0);
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- ], AC_DEFINE(HAVE_SETREUID))
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- dnl
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- dnl seteuid() check:
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-@@ -274,7 +279,9 @@ seteuid(0);
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-
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- dnl execvpe
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- AC_CHECKING(execvpe)
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--AC_TRY_LINK(,[
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-+AC_TRY_LINK([
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-+ #include <unistd.h>
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-+],[
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- execvpe(0, 0, 0);
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- ], AC_DEFINE(HAVE_EXECVPE)
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- CFLAGS="$CFLAGS -D_GNU_SOURCE")
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-@@ -284,10 +291,18 @@ dnl **** select() ****
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- dnl
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-
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- AC_CHECKING(select)
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--AC_TRY_LINK(,[select(0, 0, 0, 0, 0);],,
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-+AC_TRY_LINK([
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-+ #include <sys/select.h>
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-+],[
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-+ select(0, 0, 0, 0, 0);
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-+],,
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- LIBS="$LIBS -lnet -lnsl"
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- AC_CHECKING(select with $LIBS)
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--AC_TRY_LINK(,[select(0, 0, 0, 0, 0);],,
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-+AC_TRY_LINK([
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-+ #include <sys/select.h>
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-+],[
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-+ select(0, 0, 0, 0, 0);
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-+],,
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- AC_MSG_ERROR(!!! no select - no screen))
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- )
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- dnl
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-@@ -624,11 +639,19 @@ dnl
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- dnl **** termcap or terminfo ****
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- dnl
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- AC_CHECKING(for tgetent)
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--AC_TRY_LINK(,tgetent((char *)0, (char *)0);,,
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-+AC_TRY_LINK([
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-+ #include <curses.h>
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-+ #include <term.h>
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-+],[
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-+ tgetent((char *)0, (char *)0);
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-+],,
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- olibs="$LIBS"
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- LIBS="-lcurses $olibs"
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- AC_CHECKING(libcurses)
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--AC_TRY_LINK(,[
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-+AC_TRY_LINK([
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-+ #include <curses.h>
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-+ #include <term.h>
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-+],[
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- #ifdef __hpux
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- __sorry_hpux_libcurses_is_totally_broken_in_10_10();
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- #else
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-@@ -871,7 +894,7 @@ test -f /usr/lib/libutil.a && LIBS="$LIBS -lutil"
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- fi
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-
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- AC_CHECKING(getloadavg)
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--AC_TRY_LINK(,[getloadavg((double *)0, 0);],
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-+AC_TRY_LINK([#include <stdlib.h>],[getloadavg((double *)0, 0);],
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- AC_DEFINE(LOADAV_GETLOADAVG) load=1,
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- if test "$cross_compiling" = no && test -f /usr/lib/libkvm.a ; then
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- olibs="$LIBS"
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-@@ -1109,10 +1132,10 @@ AC_CHECKING(IRIX sun library)
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- AC_TRY_LINK(,,,LIBS="$oldlibs")
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-
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- AC_CHECKING(syslog)
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--AC_TRY_LINK(,[closelog();], , [oldlibs="$LIBS"
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-+AC_TRY_LINK([#include <syslog.h>],[closelog();], , [oldlibs="$LIBS"
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- LIBS="$LIBS -lbsd"
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- AC_CHECKING(syslog in libbsd.a)
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--AC_TRY_LINK(, [closelog();], AC_NOTE(- found.), [LIBS="$oldlibs"
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-+AC_TRY_LINK([#include <syslog.h>], [closelog();], AC_NOTE(- found.), [LIBS="$oldlibs"
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- AC_NOTE(- bad news: syslog missing.) AC_DEFINE(NOSYSLOG)])])
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-
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- AC_EGREP_CPP(YES_IS_DEFINED,
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-@@ -1149,7 +1172,7 @@ AC_CHECKING(getspnam)
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- AC_TRY_LINK([#include <shadow.h>], [getspnam("x");],AC_DEFINE(SHADOWPW))
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-
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- AC_CHECKING(getttyent)
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--AC_TRY_LINK(,[getttyent();], AC_DEFINE(GETTTYENT))
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-+AC_TRY_LINK([#include <ttyent.h>],[getttyent();], AC_DEFINE(GETTTYENT))
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-
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- AC_CHECKING(fdwalk)
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- AC_TRY_LINK([#include <stdlib.h>], [fdwalk(NULL, NULL);],AC_DEFINE(HAVE_FDWALK))
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-@@ -1204,7 +1227,13 @@ main() {
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- AC_SYS_LONG_FILE_NAMES
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-
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- AC_MSG_CHECKING(for vsprintf)
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--AC_TRY_LINK([#include <stdarg.h>],[va_list valist; vsprintf(0,0,valist);], AC_MSG_RESULT(yes);AC_DEFINE(USEVARARGS), AC_MSG_RESULT(no))
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-+AC_TRY_LINK([
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-+ #include <stdarg.h>
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-+ #include <stdio.h>
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-+],[
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-+ va_list valist;
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-+ vsprintf(0,0,valist);
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-+], AC_MSG_RESULT(yes);AC_DEFINE(USEVARARGS), AC_MSG_RESULT(no))
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-
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- AC_HEADER_DIRENT
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-
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