Diagnose Opus bands compilation and replay native Ninja command

check_cc.sh

@@ -51,8 +51,11 @@ probe_includes=()
 for probe_include in '' include celt silk silk/float silk/fixed src; do
     probe_includes+=("-I$probe_opus/$probe_include")
 done
-probe_step 'Compile Opus laplace.c' "$probe_cc" -v -DOPUS_BUILD -DUSE_ALLOCA -DVAR_ARRAYS "${probe_includes[@]}" \
-    -O3 -DNDEBUG -std=gnu99 -MD -MF "$probe_dir/laplace.d" -c "$probe_opus/celt/laplace.c" -o "$probe_dir/laplace.o" || exit $?
+for probe_source in laplace bands; do
+    probe_step "Compile Opus $probe_source.c" "$probe_cc" -v -DOPUS_BUILD -DUSE_ALLOCA -DVAR_ARRAYS "${probe_includes[@]}" \
+        -O3 -DNDEBUG -std=gnu99 -MD -MF "$probe_dir/$probe_source.d" \
+        -c "$probe_opus/celt/$probe_source.c" -o "$probe_dir/$probe_source.o" || exit $?
+done
 
 probe_build="$probe_root/tools/chatgui/build"
 if [ ! -f "$probe_build/CMakeCache.txt" ]; then
@@ -66,5 +69,42 @@ fi
 probe_step 'CMake cache settings' sed -n -E \
     '/^CMAKE_(C_COMPILER|C_COMPILER_LAUNCHER|C_FLAGS(_(DEBUG|RELEASE|MINSIZEREL|RELWITHDEBINFO))?|MAKE_PROGRAM|GENERATOR|BUILD_TYPE):/p' \
     "$probe_build/CMakeCache.txt" || exit $?
+
+# Повторяем Windows-команду без преобразования аргументов MSYS2; добавляем только GCC -v.
+if [ "${MSYSTEM:-}" = UCRT64 ]; then
+    probe_ninja=$(sed -n 's/^CMAKE_MAKE_PROGRAM:[^=]*=//p' "$probe_build/CMakeCache.txt")
+    probe_ninja=${probe_ninja%$'\r'}
+    probe_ninja=$(cygpath -u "$probe_ninja") || exit $?
+    "$probe_ninja" -C "$probe_build" -t commands opus_internal > "$probe_dir/ninja-commands.txt"
+    probe_result=$?
+    if [ "$probe_result" -ne 0 ]; then
+        cat "$probe_dir/ninja-commands.txt"
+        printf '[ERROR] Cannot read Ninja commands, exit code: %d\n' "$probe_result"
+        exit "$probe_result"
+    fi
+    probe_command=''
+    while IFS= read -r probe_line; do
+        probe_line=${probe_line%$'\r'}
+        case "$probe_line" in
+            *' -DOPUS_BUILD '*' -c '*'/celt/bands.c'|*' -DOPUS_BUILD '*' -c '*'/celt/bands.c"')
+                probe_command="$probe_line"; break ;;
+        esac
+    done < "$probe_dir/ninja-commands.txt"
+    if [ -z "$probe_command" ]; then
+        printf '[ERROR] Cannot find the Opus bands.c compile command in Ninja.\n'
+        exit 1
+    fi
+    probe_command=${probe_command/ -DOPUS_BUILD/ -v -DOPUS_BUILD}
+    printf '[INFO] Native command: %s\n' "$probe_command"
+    printf '@echo off\r\n%s\r\nexit /b %%errorlevel%%\r\n' "$probe_command" > "$probe_dir/replay.cmd" || {
+        printf '[ERROR] Cannot write the native compiler replay script.\n'
+        exit 1
+    }
+    probe_cmd=$(cygpath -u "${COMSPEC:-C:/Windows/System32/cmd.exe}") || exit $?
+    probe_replay=$(cygpath -w "$probe_dir/replay.cmd") || exit $?
+    cd -- "$probe_build" || { printf '[ERROR] Cannot open the ChatGUI build directory.\n'; exit 1; }
+    MSYS2_ARG_CONV_EXCL='*' probe_step 'Replay Ninja bands.c command with GCC verbose output' \
+        "$probe_cmd" /d /c call "$probe_replay" || exit $?
+fi
 probe_step 'Build Opus with CMake' cmake --build "$probe_build" --target opus_internal --parallel 1 --verbose || exit $?
 printf '\n[SUCCESS] Standalone Opus compilation and CMake Opus build completed.\n'