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From e37f7d8b6b4d2f9accf97eb96d0eacbddf2a1345 Mon Sep 17 00:00:00 2001
From: Xiretza <xiretza@xiretza.xyz>
Date: Sat, 1 Jan 2022 14:40:24 +0100
Subject: [PATCH] makepkg: use -ffile-prefix-map instead of -fdebug-prefix-map
>From gcc(1):
-ffile-prefix-map=old=new
[...] Specifying this option is equivalent to specifying all the
individual -f*-prefix-map options. This can be used to make reproducible
builds that are location independent.
Specifically, this additionally enables -fmacro-prefix-map=, which causes
prefix mapping to be applied to expansions of __FILE__ and similar macros.
Without this option, if source files are compiled by passing the
absolute file path to the compiler (as done by e.g. cmake), any
expansions of __FILE__ (e.g. from uses of assert()) will contain
$srcdir.
Signed-off-by: Allan McRae <allan@archlinux.org>
---
scripts/libmakepkg/buildenv/debugflags.sh.in | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/scripts/libmakepkg/buildenv/debugflags.sh.in b/scripts/libmakepkg/buildenv/debugflags.sh.in
index e0a1ed00..84ca7b71 100644
--- a/scripts/libmakepkg/buildenv/debugflags.sh.in
+++ b/scripts/libmakepkg/buildenv/debugflags.sh.in
@@ -30,8 +30,8 @@ buildenv_functions+=('buildenv_debugflags')
buildenv_debugflags() {
if check_option "debug" "y"; then
- DEBUG_CFLAGS+=" -fdebug-prefix-map=$srcdir=${DBGSRCDIR:-/usr/src/debug}"
- DEBUG_CXXFLAGS+=" -fdebug-prefix-map=$srcdir=${DBGSRCDIR:-/usr/src/debug}"
+ DEBUG_CFLAGS+=" -ffile-prefix-map=$srcdir=${DBGSRCDIR:-/usr/src/debug}"
+ DEBUG_CXXFLAGS+=" -ffile-prefix-map=$srcdir=${DBGSRCDIR:-/usr/src/debug}"
DEBUG_RUSTFLAGS+=" --remap-path-prefix=$srcdir=${DBGSRCDIR:-/usr/src/debug}"
CFLAGS+=" $DEBUG_CFLAGS"
CXXFLAGS+=" $DEBUG_CXXFLAGS"
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