From 6c077052133c10f0835fe3671742bc6bd8e92e2b Mon Sep 17 00:00:00 2001
From: Daan De Meyer <daan.j.demeyer@gmail.com>
Date: Thu, 18 Apr 2024 14:27:38 +0200
Subject: [PATCH] mkosi: undefine FORTIFY_SOURCE instead of setting it zero

Newer gcc complains if FORTIFY_SOURCE=0 is set so just undefine it
instead.
---
 mkosi.images/system/mkosi.conf.d/10-arch/mkosi.build.chroot   | 2 +-
 .../system/mkosi.conf.d/10-centos-fedora/mkosi.build.chroot   | 4 ++--
 .../system/mkosi.conf.d/10-opensuse/mkosi.build.chroot        | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.build.chroot b/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.build.chroot
index be7594609da..5abeea5493c 100755
--- a/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.build.chroot
+++ b/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.build.chroot
@@ -25,7 +25,7 @@ mount --mkdir --rbind "$PWD/pkg/$ID" "pkg/$ID/src/"
 # on the makepkg command line so we append to /etc/makepkg.conf instead. The rootfs is overlaid with a
 # writable tmpfs during the build script so these changes don't end up in the image itself.
 tee --append /etc/makepkg.conf >/dev/null <<EOF
-CFLAGS="$CFLAGS -O0 -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=0"
+CFLAGS="$CFLAGS -O0 -Wp,-U_FORTIFY_SOURCE"
 OPTIONS=(
     docs
     !libtool
diff --git a/mkosi.images/system/mkosi.conf.d/10-centos-fedora/mkosi.build.chroot b/mkosi.images/system/mkosi.conf.d/10-centos-fedora/mkosi.build.chroot
index 46a509b3302..f745a2c002e 100755
--- a/mkosi.images/system/mkosi.conf.d/10-centos-fedora/mkosi.build.chroot
+++ b/mkosi.images/system/mkosi.conf.d/10-centos-fedora/mkosi.build.chroot
@@ -31,8 +31,8 @@ DIST="$(rpm --eval %dist)"
 ARCH="$(rpm --eval %_arch)"
 SRCDEST="/usr/src/debug/systemd-$VERSION-${RELEASE}${DIST}.$ARCH"
 
-# TODO: Drop -D_FORTIFY_SOURCE when we switch to CentOS Stream 10.
-EXTRA_CFLAGS="-O0 -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=0"
+# TODO: Drop -U_FORTIFY_SOURCE when we switch to CentOS Stream 10.
+EXTRA_CFLAGS="-O0 -Wp,-U_FORTIFY_SOURCE"
 if ((WITH_DEBUG)); then
     EXTRA_CFLAGS="$EXTRA_CFLAGS -ffile-prefix-map=../src=$SRCDEST"
 fi
diff --git a/mkosi.images/system/mkosi.conf.d/10-opensuse/mkosi.build.chroot b/mkosi.images/system/mkosi.conf.d/10-opensuse/mkosi.build.chroot
index 6261be19903..be270997918 100755
--- a/mkosi.images/system/mkosi.conf.d/10-opensuse/mkosi.build.chroot
+++ b/mkosi.images/system/mkosi.conf.d/10-opensuse/mkosi.build.chroot
@@ -37,7 +37,7 @@ ARCH="$(rpm --eval %_arch)"
 SRCDEST="/usr/src/debug/systemd-$VERSION-${RELEASE}${DIST}.$ARCH"
 
 # TODO: Enable this when the opensuse spec stops unconditionally setting FORTIFY_SOURCE=2.
-# EXTRA_CFLAGS="-O0 -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=0"
+# EXTRA_CFLAGS="-O0 -Wp,-U_FORTIFY_SOURCE"
 EXTRA_CFLAGS=""
 if ((WITH_DEBUG)); then
     EXTRA_CFLAGS="$EXTRA_CFLAGS -ffile-prefix-map=../src=$SRCDEST"
-- 
2.47.3