cmake: Set process code page to UTF-8 on Windows

Additionally, this change adds app manifests to targets that were
previously missing them.

cmake/windows-app.manifest.in

@@ -1,10 +1,15 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
   <assemblyIdentity
       type="win32"
       name="org.bitcoincore.${target}"
       version="${CLIENT_VERSION_MAJOR}.${CLIENT_VERSION_MINOR}.${CLIENT_VERSION_BUILD}.0"
   />
+  <asmv3:application>
+    <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2019/WindowsSettings">
+      <activeCodePage>UTF-8</activeCodePage>
+    </asmv3:windowsSettings>
+  </asmv3:application>
   <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
     <security>
       <requestedPrivileges>

src/CMakeLists.txt

@@ -410,6 +410,7 @@ if(BUILD_UTIL_CHAINSTATE)
   add_executable(bitcoin-chainstate
     bitcoin-chainstate.cpp
   )
+  add_windows_application_manifest(bitcoin-chainstate)
   # TODO: The `SKIP_BUILD_RPATH` property setting can be deleted
   #       in the future after reordering Guix script commands to
   #       perform binary checks after the installation step.

src/bench/CMakeLists.txt

@@ -56,6 +56,8 @@ add_executable(bench_bitcoin
   verify_script.cpp
 )
 
+add_windows_application_manifest(bench_bitcoin)
+
 include(TargetDataSources)
 target_raw_data_sources(bench_bitcoin NAMESPACE benchmark::data
   data/block413567.raw

src/bitcoin.cpp

@@ -6,6 +6,7 @@
 
 #include <clientversion.h>
 #include <common/args.h>
+#include <common/system.h>
 #include <util/fs.h>
 #include <util/exec.h>
 #include <util/strencodings.h>
@@ -61,6 +62,8 @@ static void ExecCommand(const std::vector<const char*>& args, std::string_view a
 
 int main(int argc, char* argv[])
 {
+    SetupEnvironment();
+
     try {
         CommandLine cmd{ParseCommandLine(argc, argv)};
         if (cmd.show_version) {

src/common/system.cpp

@@ -12,6 +12,7 @@
 #include <util/time.h>
 
 #ifdef WIN32
+#include <cassert>
 #include <codecvt>
 #include <compat/compat.h>
 #include <windows.h>
@@ -83,6 +84,7 @@ void SetupEnvironment()
         setenv("LC_ALL", "C.UTF-8", 1);
     }
 #elif defined(WIN32)
+    assert(GetACP() == CP_UTF8);
     // Set the default input/output charset is utf-8
     SetConsoleCP(CP_UTF8);
     SetConsoleOutputCP(CP_UTF8);

src/qt/test/CMakeLists.txt

@@ -14,6 +14,8 @@ add_executable(test_bitcoin-qt
   ../../init/bitcoin-qt.cpp
 )
 
+add_windows_application_manifest(test_bitcoin-qt)
+
 target_link_libraries(test_bitcoin-qt
   core_interface
   bitcoinqt

src/test/fuzz/CMakeLists.txt

@@ -134,6 +134,9 @@ add_executable(fuzz
   vecdeque.cpp
   versionbits.cpp
 )
+
+add_windows_application_manifest(fuzz)
+
 target_link_libraries(fuzz
   core_interface
   fuzzer_interface