Fix building systemd with GCC 10

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11843 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter01/changelog.xml

@@ -42,6 +42,16 @@
     <listitem revision="sysv"> or <listitem revision="systemd"> as
     appropriate for the entry or if needed the entire day's listitem.
     -->
+    <listitem revision="systemd">
+      <para>2020-05-09</para>
+      <itemizedlist>
+        <listitem>
+          <para>[pierre] - Pass -Wno-format-overflow to systemd to
+          prevent an error with GCC 10.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>2020-05-08</para>
       <itemizedlist>

chapter06/systemd.xml

@@ -73,6 +73,7 @@ LANG=en_US.UTF-8                   \
 meson --prefix=/usr                 \
       --sysconfdir=/etc             \
       --localstatedir=/var          \
+      -Dc_args=-Wno-format-overflow \
       -Dblkid=true                  \
       -Dbuildtype=release           \
       -Ddefault-dnssec=no           \
@@ -97,6 +98,16 @@ meson --prefix=/usr                \
     <variablelist>
       <title>The meaning of the meson options:</title>
 
+      <varlistentry>
+        <term><parameter>-Dc_args=-Wno-format-overflow</parameter></term>
+        <listitem>
+          <para>The defaults flags passed to gcc contain
+          <parameter>-Werror=format-overflow</parameter>, which generates
+	  an error with GCC 10. Passing this parameter prevents the error
+	  from occuring.</para>
+        </listitem>
+      </varlistentry>
+
       <varlistentry>
         <term><parameter>-D*-path=*</parameter></term>
         <listitem>

general.ent

@@ -3,11 +3,11 @@
                                       Change to x.y for release but not -rc releases -->
 <!ENTITY generic-version "development"> <!-- Use "development"  or "x.y[-pre{x}]" -->
 
-<!ENTITY versiond        "20200508-systemd">
+<!ENTITY versiond        "20200509-systemd">
 <!ENTITY short-versiond  "systemd">
 <!ENTITY generic-versiond "systemd"> 
 
-<!ENTITY releasedate     "May 8th, 2020">
+<!ENTITY releasedate     "May 9th, 2020">
 
 <!ENTITY copyrightdate   "1999-2020"><!-- jhalfs needs a literal dash, not &ndash; -->