[blfs] branch trunk updated: dovecot: force -std=gnu++17 for g++

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git pushed a commit to branch trunk
in repository blfs.

The following commit(s) were added to refs/heads/trunk by this push:
     new 8f7b6b8095 dovecot: force -std=gnu++17 for g++
8f7b6b8095 is described below

commit 8f7b6b80955fef58881d1867ea61f17204c1d50f
Author: Pierre Labastie <[email protected]>
AuthorDate: Thu Jun 25 14:42:06 2026 +0200

    dovecot: force -std=gnu++17 for g++
    
    This is needed if xapian is found, because xapian-2.0 uses C++17
    features. Note that normally, version 16.1.0 of g++ without any
    "-std" option uses C++20, so this shoud be ok, but configure uses
    a program for testing some C++11 features that is not compatible
    with C++20 (problem with some char_xx type). So configure falls
    back to -std=gnu++11. Passing CXX="g++ -std=gnu++17" allows to
    have the test program compile, and xapian too.
---
 server/mail/dovecot.xml | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/server/mail/dovecot.xml b/server/mail/dovecot.xml
index 398d7beeb8..8b38eb2da4 100644
--- a/server/mail/dovecot.xml
+++ b/server/mail/dovecot.xml
@@ -153,14 +153,16 @@ useradd -c "Dovecot login user" -d /dev/null -u 43 \
             --localstatedir=/var                   \
             --with-systemd=no                      \
             --docdir=/usr/share/doc/dovecot-&dovecot-version;  \
-            --disable-static &amp;&amp;
+            --disable-static                       \
+            CXX="g++ -std=gnu++17" &amp;&amp;
 make</userinput></screen>
 
 <screen revision="systemd"><userinput>./configure --prefix=/usr                          \
             --sysconfdir=/etc                      \
             --localstatedir=/var                   \
             --docdir=/usr/share/doc/dovecot-&dovecot-version;  \
-            --disable-static                       &amp;&amp;
+            --disable-static                       \
+            CXX="g++ -std=gnu++17"                 &amp;&amp;
 make</userinput></screen>
 
     <para>
@@ -181,6 +183,12 @@ make</userinput></screen>
     <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
       href="../../xincludes/static-libraries.xml"/>
 
+    <para>
+      <parameter>CXX="g++ -std=gnu++17"</parameter>: This setting enables
+      the C++17 standard. It is needed if <xref linkend='xapian'/> is
+      installed, and does not hurt if not.
+    </para>
+
     <para>
       <option>--with-ldap</option>: This switch enables
       <application>OpenLDAP</application> authentication support.

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