[blfs] branch trunk updated: protobuf-c: Fixed building with GCC 16

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The following commit(s) were added to refs/heads/trunk by this push:
     new 8ecf0e7040 protobuf-c: Fixed building with GCC 16
8ecf0e7040 is described below

commit 8ecf0e704003a24e2f491e46899846ef7ed1754f
Author: Douglas R. Reno <[email protected]>
AuthorDate: Thu May 14 15:18:50 2026 -0500

    protobuf-c: Fixed building with GCC 16
    
    When configuring the package with GCC 16, I got:
    
    checking for google/protobuf/compiler/command_line_interface.h... no
    configure: error: required protobuf header file not found
    
    I double checked that the file was installed and present, and dug into
    config.log. I discovered dozens of errors out of abseil-cpp, which
    seemed odd because I built Qt just fine with protobuf support. I noticed
    that it was forcibly enabling C++17 instead of C++20. I created a test
    file to experiment where I just included that header file, and it only
    built if I used c++20 or later (which is default now). If I set it to
    use c++17, the same error occurs.
    
    Running an autoreconf didn't help in this case.
    
    Let's work around this for now by forcing the configure script to use
    c++20.
---
 general/genlib/protobuf-c.xml      | 2 +-
 introduction/welcome/changelog.xml | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/general/genlib/protobuf-c.xml b/general/genlib/protobuf-c.xml
index 0c1504dcc7..75d29f4aa3 100644
--- a/general/genlib/protobuf-c.xml
+++ b/general/genlib/protobuf-c.xml
@@ -98,7 +98,7 @@
       commands:
     </para>
 
-<screen><userinput>./configure --prefix=/usr --disable-static &amp;&amp;
+<screen><userinput>CXXFLAGS+=" -std=c++20" ./configure --prefix=/usr --disable-static &amp;&amp;
 make</userinput></screen>
 
     <para>
diff --git a/introduction/welcome/changelog.xml b/introduction/welcome/changelog.xml
index d2e589f6bb..9c1505e7af 100644
--- a/introduction/welcome/changelog.xml
+++ b/introduction/welcome/changelog.xml
@@ -42,6 +42,9 @@
     <listitem>
       <para>May 14th, 2026</para>
       <itemizedlist>
+        <listitem>
+          <para>[renodr] - Fixed compiling protobuf-c with GCC 16.</para>
+        </listitem>
         <listitem>
           <para>[jlocash] - Update to gnupg-2.5.20 (Security Update). Fixes
           <ulink url="&blfs-ticket-root;23292">#23292</ulink>.</para>

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