From b527850bdb654642b171eda19fbad895e8fed2c0 Mon Sep 17 00:00:00 2001
From: Carles Fernandez <carles.fernandez@cttc.es>
Date: Sat, 6 Dec 2025 09:17:53 +0100
Subject: [PATCH] Update local Protocol Buffers to v33.2 and Armadillo to the
 15.2.x branch

---
 CMakeLists.txt |  6 ++----
 README.md      | 18 +++++++++---------
 2 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e13aa64f5..197ce8232 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -355,11 +355,11 @@ set(GNSSSDR_ABSEIL_MIN_VERSION "20240116")
 ################################################################################
 # Versions to download and build (but not to install system-wide) if not found
 ################################################################################
-set(GNSSSDR_ARMADILLO_LOCAL_VERSION "15.0.x")
+set(GNSSSDR_ARMADILLO_LOCAL_VERSION "15.2.x")
 set(GNSSSDR_GFLAGS_LOCAL_VERSION "2.3.0")
 set(GNSSSDR_GLOG_LOCAL_VERSION "0.7.1")
 set(GNSSSDR_MATIO_LOCAL_VERSION "1.5.29")
-set(GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION "32.1")
+set(GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION "33.2")
 set(GNSSSDR_PUGIXML_LOCAL_VERSION "1.15")
 set(GNSSSDR_GTEST_LOCAL_VERSION "1.17.0")
 set(GNSSSDR_GNSS_SIM_LOCAL_VERSION "origin/master")
@@ -383,7 +383,6 @@ endif()
 if(CMAKE_VERSION VERSION_LESS "3.16")
     set(GNSSSDR_GLOG_LOCAL_VERSION "0.5.0")
 endif()
-
 if(CMAKE_VERSION VERSION_LESS "3.3")
     set(GNSSSDR_GLOG_LOCAL_VERSION "0.4.0")
 endif()
@@ -421,7 +420,6 @@ if(CMAKE_VERSION VERSION_LESS "3.13" OR
   (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0.0))
     set(GNSSSDR_GTEST_LOCAL_VERSION "1.13.0")
 endif()
-
 if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) OR
   (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) OR
   CMAKE_VERSION VERSION_LESS 3.5)
diff --git a/README.md b/README.md
index 0914312a0..4cace4bcd 100644
--- a/README.md
+++ b/README.md
@@ -298,9 +298,9 @@ $ sudo apt install libblas-dev liblapack-dev       # For Debian/Ubuntu/LinuxMint
 $ sudo yum install lapack-devel blas-devel         # For Fedora/RHEL
 $ sudo zypper install lapack-devel blas-devel      # For OpenSUSE
 $ sudo pacman -S blas lapack                       # For Arch Linux
-$ wget https://sourceforge.net/projects/arma/files/armadillo-15.0.1.tar.xz
-$ tar xvfz armadillo-15.0.1.tar.xz
-$ cd armadillo-15.0.1
+$ wget https://sourceforge.net/projects/arma/files/armadillo-15.2.2.tar.xz
+$ tar xvfz armadillo-15.2.2.tar.xz
+$ cd armadillo-15.2.2
 $ cmake .
 $ make
 $ sudo make install
@@ -316,12 +316,12 @@ BLAS, LAPACK, and ATLAS).
 #### Install [Gflags](https://github.com/gflags/gflags "Gflags' Homepage"), a commandline flags processing module for C++
 
 ```
-$ wget https://github.com/gflags/gflags/archive/v2.2.2.tar.gz
-$ tar xvfz v2.2.2.tar.gz
-$ cd gflags-2.2.2
-$ cmake -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=OFF -DBUILD_gflags_nothreads_LIB=OFF .
-$ make
-$ sudo make install
+$ wget https://github.com/gflags/gflags/archive/v2.3.0.tar.gz
+$ tar xvfz v2.3.0.tar.gz
+$ cd gflags-2.3.0
+$ cmake -S . -B building -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=OFF
+$ cmake --build building
+$ sudo cmake --install building
 $ sudo ldconfig
 ```