Only download NNUE net if required

Closes #257.

diff --git a/src/Makefile b/src/Makefile
index 293abf7..46eebba 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -89,6 +89,7 @@ largeboards = no
 all = no
 precomputedmagics = yes
 nnue = no
+load_net = $(if $(filter $(nnue),yes),net)
 
 ifeq ($(ARCH),)
    ARCH = x86-64-modern
@@ -757,10 +758,10 @@ endif
         config-sanity icc-profile-use icc-profile-make gcc-profile-use gcc-profile-make \
         clang-profile-use clang-profile-make
 
-build: net config-sanity
+build: $(load_net) config-sanity
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
 
-profile-build: net config-sanity objclean profileclean
+profile-build: $(load_net) config-sanity objclean profileclean
        @echo ""
        @echo "Step 1/4. Building instrumented executable ..."
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_make)
@@ -830,7 +831,7 @@ default:
 
 all: $(EXE) .depend
 
-config-sanity: net
+config-sanity: $(load_net)
        @echo ""
        @echo "Config:"
        @echo "debug: '$(debug)'"
@@ -854,6 +855,12 @@ config-sanity: net
        @echo "vnni512: '$(vnni512)'"
        @echo "neon: '$(neon)'"
        @echo ""
+       @echo "Fairy-Stockfish specific:"
+       @echo "largeboards: '$(largeboards)'"
+       @echo "all: '$(all)'"
+       @echo "precomputedmagics: '$(precomputedmagics)'"
+       @echo "nnue: '$(nnue)'"
+       @echo ""
        @echo "Flags:"
        @echo "CXX: $(CXX)"
        @echo "CXXFLAGS: $(CXXFLAGS)"