Bump boost requirement to 1.71

This is a prerequisite for using boost stacktrace.
Note that this is not the first version that introduces boost stacktrace but the version that
should be stable enough.

PR #16986.

CMakeLists.txt

@@ -11,7 +11,7 @@ project(qBittorrent
 # use CONFIG mode first in find_package
 set(CMAKE_FIND_PACKAGE_PREFER_CONFIG ON)
 # version requirements - older versions may work, but you are on your own
-set(minBoostVersion 1.65)
+set(minBoostVersion 1.71)
 set(minQt5Version 5.15.2)
 set(minQt6Version 6.2)
 set(minOpenSSLVersion 1.1.1)

INSTALL

@@ -3,7 +3,7 @@ qBittorrent - A BitTorrent client in C++ / Qt
 
 1) Install these dependencies:
 
-  - Boost >= 1.65
+  - Boost >= 1.71
 
   - libtorrent-rasterbar 1.2.14 - 1.2.x || 2.0.4 - 2.0.x
       * By Arvid Norberg, https://www.libtorrent.org/

configure

@@ -5707,11 +5707,11 @@ if test "x$want_boost" = "xyes"
 then :
 
 
-  if test "x1.65" = "x"
+  if test "x1.71" = "x"
 then :
   _AX_BOOST_BASE_TONUMERICVERSION_req="1.20.0"
 else $as_nop
-  _AX_BOOST_BASE_TONUMERICVERSION_req="1.65"
+  _AX_BOOST_BASE_TONUMERICVERSION_req="1.71"
 fi
   _AX_BOOST_BASE_TONUMERICVERSION_req_shorten=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([0-9]*\.[0-9]*\)'`
   _AX_BOOST_BASE_TONUMERICVERSION_req_major=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([0-9]*\)'`
@@ -5759,8 +5759,8 @@ esac
                 if test "x$_AX_BOOST_BASE_boost_path" != "x"
 then :
 
-        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for boostlib >= 1.65 ($WANT_BOOST_VERSION) includes in \"$_AX_BOOST_BASE_boost_path/include\"" >&5
-printf %s "checking for boostlib >= 1.65 ($WANT_BOOST_VERSION) includes in \"$_AX_BOOST_BASE_boost_path/include\"... " >&6; }
+        { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for boostlib >= 1.71 ($WANT_BOOST_VERSION) includes in \"$_AX_BOOST_BASE_boost_path/include\"" >&5
+printf %s "checking for boostlib >= 1.71 ($WANT_BOOST_VERSION) includes in \"$_AX_BOOST_BASE_boost_path/include\"... " >&6; }
          if test -d "$_AX_BOOST_BASE_boost_path/include" && test -r "$_AX_BOOST_BASE_boost_path/include"
 then :
 
@@ -5768,8 +5768,8 @@ then :
 printf "%s\n" "yes" >&6; }
            BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include"
            for _AX_BOOST_BASE_boost_path_tmp in $multiarch_libsubdir $libsubdirs; do
-                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for boostlib >= 1.65 ($WANT_BOOST_VERSION) lib path in \"$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp\"" >&5
-printf %s "checking for boostlib >= 1.65 ($WANT_BOOST_VERSION) lib path in \"$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp\"... " >&6; }
+                { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for boostlib >= 1.71 ($WANT_BOOST_VERSION) lib path in \"$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp\"" >&5
+printf %s "checking for boostlib >= 1.71 ($WANT_BOOST_VERSION) lib path in \"$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp\"... " >&6; }
                 if test -d "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" && test -r "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"
 then :
 
@@ -5814,8 +5814,8 @@ then :
   BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_lib_path"
 fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for boostlib >= 1.65 ($WANT_BOOST_VERSION)" >&5
-printf %s "checking for boostlib >= 1.65 ($WANT_BOOST_VERSION)... " >&6; }
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for boostlib >= 1.71 ($WANT_BOOST_VERSION)" >&5
+printf %s "checking for boostlib >= 1.71 ($WANT_BOOST_VERSION)... " >&6; }
     CPPFLAGS_SAVED="$CPPFLAGS"
     CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
     export CPPFLAGS
@@ -5986,8 +5986,8 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
     if test "x$succeeded" != "xyes" ; then
         if test "x$_version" = "x0" ; then
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: We could not detect the boost libraries (version 1.65 or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option.  If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation." >&5
-printf "%s\n" "$as_me: We could not detect the boost libraries (version 1.65 or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option.  If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation." >&6;}
+            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: We could not detect the boost libraries (version 1.71 or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option.  If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation." >&5
+printf "%s\n" "$as_me: We could not detect the boost libraries (version 1.71 or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option.  If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation." >&6;}
         else
             { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Your boost libraries seems to old (version $_version)." >&5
 printf "%s\n" "$as_me: Your boost libraries seems to old (version $_version)." >&6;}

configure.ac

@@ -174,7 +174,7 @@ AS_CASE(["x$enable_qt_dbus"],
         AC_MSG_ERROR([Unknown option "$enable_qt_dbus". Use either "yes" or "no".])])
 
 
-AX_BOOST_BASE([1.65],
+AX_BOOST_BASE([1.71],
               [AC_MSG_NOTICE([Boost CXXFLAGS: "$BOOST_CPPFLAGS"])
                AC_MSG_NOTICE([Boost LDFLAGS: "$BOOST_LDFLAGS"])],
               [AC_MSG_ERROR([Could not find Boost])])