Fix some tabs in Makefile

Avoid mixing spaces and tabs for indentation in Makefile

closes https://github.com/official-stockfish/Stockfish/pull/4759

No functional change

diff --git a/src/Makefile b/src/Makefile
index 0a3f8329859d140b020e527a8a30c2e5b3d95491..d6443845477e09b174561b3d2234acc5c95632a6 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -895,33 +895,33 @@ netvariables:
 net: netvariables
        @echo "Default net: $(nnuenet)"
        @if [ "x$(curl_or_wget)" = "x" ]; then \
-           echo "Neither curl nor wget is installed. Install one of these tools unless the net has been downloaded manually"; \
+               echo "Neither curl nor wget is installed. Install one of these tools unless the net has been downloaded manually"; \
        fi
        @if [ "x$(shasum_command)" = "x" ]; then \
-        echo "shasum / sha256sum not found, skipping net validation"; \
-    elif test -f "$(nnuenet)"; then \
-           if [ "$(nnuenet)" != "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
-               echo "Removing invalid network"; rm -f $(nnuenet); \
-           fi; \
+               echo "shasum / sha256sum not found, skipping net validation"; \
+       elif test -f "$(nnuenet)"; then \
+               if [ "$(nnuenet)" != "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
+                       echo "Removing invalid network"; rm -f $(nnuenet); \
+               fi; \
        fi;
        @for nnuedownloadurl in "$(nnuedownloadurl1)" "$(nnuedownloadurl2)"; do \
                if test -f "$(nnuenet)"; then \
-               echo "$(nnuenet) available : OK"; break; \
+                       echo "$(nnuenet) available : OK"; break; \
                else \
-               if [ "x$(curl_or_wget)" != "x" ]; then \
+                       if [ "x$(curl_or_wget)" != "x" ]; then \
                                echo "Downloading $${nnuedownloadurl}"; $(curl_or_wget) $${nnuedownloadurl} > $(nnuenet);\
                        else \
                                echo "No net found and download not possible"; exit 1;\
-               fi; \
+                       fi; \
                fi; \
                if [ "x$(shasum_command)" != "x" ]; then \
-               if [ "$(nnuenet)" != "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
+                       if [ "$(nnuenet)" != "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
                                echo "Removing failed download"; rm -f $(nnuenet); \
-               fi; \
+                       fi; \
                fi; \
        done
        @if ! test -f "$(nnuenet)"; then \
-           echo "Failed to download $(nnuenet)."; \
+               echo "Failed to download $(nnuenet)."; \
        fi;
        @if [ "x$(shasum_command)" != "x" ]; then \
                if [ "$(nnuenet)" = "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \