48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
From 7f06ac2b3fc0077f29bcc68064ca8e91fa7cd080 Mon Sep 17 00:00:00 2001
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From: Michael Pratt <mcpratt@pm.me>
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Date: Thu, 10 Oct 2024 10:27:02 +0000
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Subject: [PATCH] libcpu: Include config.h before standard headers in lexer
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source
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As part of the processing of flex, definitions and headers
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are added to output source before any literal text or generated code.
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This causes standard headers to come before config.h
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unless config.h is included in a %top block instead
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as specified in the flex manual, section 5.1 "Format of the Definitions".
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The %top block is non-POSIX, so using it reinforces
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the requirement of "flex" over a standardized "lex" even more.
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* libcpu/i386_lex.l (%top): add flex %top block
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and move config.h header inclusion to it.
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Signed-off-by: Michael Pratt <mcpratt@pm.me>
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---
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libcpu/i386_lex.l | 10 ++++++----
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1 file changed, 6 insertions(+), 4 deletions(-)
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--- a/libcpu/i386_lex.l
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+++ b/libcpu/i386_lex.l
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@@ -1,3 +1,9 @@
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+%top{
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+#ifdef HAVE_CONFIG_H
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+# include <config.h>
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+#endif
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+}
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+
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%{
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/* Copyright (C) 2004, 2005, 2007, 2008 Red Hat, Inc.
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Written by Ulrich Drepper <drepper@redhat.com>, 2004.
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@@ -26,10 +32,6 @@
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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-#ifdef HAVE_CONFIG_H
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-# include <config.h>
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-#endif
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-
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#include <ctype.h>
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#include <libeu.h>
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