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40 lines
1.0 KiB
40 lines
1.0 KiB
From 873d4759aa7b0581bf34e8a7ebfcbeca789ed6e1 Mon Sep 17 00:00:00 2001
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From: Florian Schmaus <flo@geekplace.eu>
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Date: Tue, 16 May 2023 09:56:48 +0200
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Subject: [PATCH] m4/ptyfuncs.m4 tools/configure: add linux headers for pty
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functions
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To avoid implicit function declarations, which will cause an error on
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modern compilers. See https://wiki.gentoo.org/wiki/Modern_C_porting
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Downstream Gentoo bug: https://bugs.gentoo.org/904449
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Signed-off-by: Florian Schmaus <flo@geekplace.eu>
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--- a/m4/ptyfuncs.m4
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+++ b/m4/ptyfuncs.m4
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@@ -19,6 +19,9 @@ AC_DEFUN([AX_CHECK_PTYFUNCS], [
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AC_LINK_IFELSE([AC_LANG_SOURCE([
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#ifdef INCLUDE_LIBUTIL_H
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#include INCLUDE_LIBUTIL_H
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+#else
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+#include <pty.h>
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+#include <utmp.h>
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#endif
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int main(void) {
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openpty(0,0,0,0,0);
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--- a/tools/configure
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+++ b/tools/configure
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@@ -9002,6 +9002,9 @@ See \`config.log' for more details" "$LINENO" 5; }
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#ifdef INCLUDE_LIBUTIL_H
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#include INCLUDE_LIBUTIL_H
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+#else
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+#include <pty.h>
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+#include <utmp.h>
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#endif
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int main(void) {
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openpty(0,0,0,0,0);
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--
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2.39.3
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