Changeset 1d776f0b

Timestamp:

01/19/2019 06:13:43 PM (5 years ago)

Author:

Douglas R. Reno <renodr@…>

Branches:

10.0, 10.1, 11.0, 11.1, 11.2, 11.3, 12.0, 12.1, 8.4, 9.0, 9.1, bdubbs/svn, kea, ken/TL2024, ken/inkscape-core-mods, ken/tuningfonts, lazarus, lxqt, plabs/newcss, plabs/python-mods, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, trunk, upgradedb, xry111/intltool, xry111/llvm18, xry111/soup3, xry111/test-20220226, xry111/xf86-video-removal

Children:

aba7ff6

Parents:

7430906c

Message:

Add a patch to qtwebengine to permit building on i686 systems

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@20999 af4574ff-66df-0310-9fd7-8a98e5e911e0

Files:

• introduction/welcome/changelog.xml (modified) (1 diff)
• x/lib/qtwebengine.xml (modified) (2 diffs)

introduction/welcome/changelog.xml

@@ -45 +45 @@
       <para>January 18th, 2019</para>
       <itemizedlist>
+        <listitem>
+          <para>[renodr] - Add a patch to permit building qtwebengine on i686.
+          This is due to the alignof operator being changed in GCC 8, as it
+          returns an incorrect value on 32-bit machines.</para>
+        </listitem>
         <listitem>
           <para>[bdubbs] - Update to cups-filters-1.22.0. Fixes

x/lib/qtwebengine.xml

@@ -96 +96 @@
     </itemizedlist>
 
+    <bridgehead renderas="sect3">Additional Downloads</bridgehead>
+    <itemizedlist spacing="compact">
+      <listitem>
+        <para>
+          Required patch (if building on i686):
+          <ulink url="&patch-root;/qtwebengine-&qtwebengine-version;-i686_alignof_fix-1.patch"/>
+        </para>
+      </listitem>
+    </itemizedlist>
+
     <bridgehead renderas="sect3">qtwebengine Dependencies</bridgehead>
 
@@ -163 +173 @@
 
 <screen role="root"><userinput>mv -v ${QT5DIR}/lib/libQtWebEngineCore.so{,.old}</userinput></screen>
+
+    <para>
+      If you are building on a 32-bit i686 system, GCC changed the alignof
+      operator to optimize the ABI. Unfortunately, this makes the alignof()
+      operator return an incorrect number (4 instead of 8). Apply a patch to
+      fix this:
+    </para>
+
+<screen><userinput>patch -Np1 -i ../qtwebengine-&qtwebengine-version;-i686_alignof_fix-1.patch</userinput></screen>
 
 <screen><userinput>mkdir build &amp;&amp;