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# Bitflash Linux build — ImGui + GLFW + OpenGL3
# Called by: make linux (root Makefile)
CXX ?= g++
SECP_INC ?= /usr/local/include
SECP_LIB ?= /usr/local/lib
RANDOMX_DIR ?= $(HOME)/RandomX
IMGUI_DIR = imgui
# -w used to sit here and suppressed every diagnostic in the build, including
# the one that mattered: `%I64d` is MSVC-only, glibc mis-parses it as the GNU
# `I` flag with a width of 64 and an `int` conversion, and the resulting vararg
# desynchronisation segfaulted the node while logging a received block (issue
# #5, deterministic at height 1062 -- the first block carrying a real
# transaction). GCC had been reporting it all along:
#
# warning: format '%d' expects argument of type 'int',
# but argument 4 has type 'int64_t'
#
# -w cannot be narrowed: it wins over any -W or -Werror= that follows it, so it
# has to go. The four -Wno- entries below are the categories this 2009-era tree
# genuinely produces (measured: 248 deprecated-declarations, 157 write-strings,
# 18 narrowing, 1 unused-result); silencing them by name instead of silencing
# everything keeps the build quiet while leaving format errors fatal.
WARNFLAGS = -Wformat -Werror=format \
-Wno-deprecated-declarations -Wno-write-strings \
-Wno-narrowing -Wno-unused-result
CXXFLAGS = -std=gnu++14 -O2 $(WARNFLAGS) -fpermissive -pthread \
-DSECP256K1_STATIC \
-I$(SECP_INC) -I$(RANDOMX_DIR)/src \
-I/usr/include/nlohmann \
-I$(IMGUI_DIR)
LIBS = -L$(SECP_LIB) -lsecp256k1 \
-L$(RANDOMX_DIR)/build -lrandomx \
-lsodium -lssl -lcrypto -ldb_cxx -lpthread \
-lglfw -lGL
HEADERS = headers_core.h headers.h util.h main.h serialize.h uint256.h \
key.h bignum.h script.h db.h base58.h net.h nostr.h \
randomx_pow.h btfaddr.h btfchan.h btfrv.h btftunnel.h market.h compat.h
IMGUI_OBJS = obj/imgui.o obj/imgui_draw.o obj/imgui_tables.o \
obj/imgui_widgets.o obj/imgui_impl_glfw.o obj/imgui_impl_opengl3.o
NODE_OBJS = obj/util.o obj/script.o obj/db.o obj/net.o obj/main.o \
obj/market.o obj/sha.o obj/nostr.o obj/randomx_pow.o \
obj/btfaddr.o obj/btfchan.o obj/btfrv.o obj/btftunnel.o obj/rpc.o
GUI_OBJS = obj/gui.o obj/main_gui.o
all: bitflash
obj/%.o: %.cpp $(HEADERS)
@mkdir -p obj
$(CXX) -c $(CXXFLAGS) -o $@ $<
obj/sha.o: sha.cpp sha.h
@mkdir -p obj
$(CXX) -c $(CXXFLAGS) -O3 -o $@ $<
obj/imgui.o: $(IMGUI_DIR)/imgui.cpp
@mkdir -p obj
$(CXX) -c $(CXXFLAGS) -o $@ $<
obj/imgui_draw.o: $(IMGUI_DIR)/imgui_draw.cpp
@mkdir -p obj
$(CXX) -c $(CXXFLAGS) -o $@ $<
obj/imgui_tables.o: $(IMGUI_DIR)/imgui_tables.cpp
@mkdir -p obj
$(CXX) -c $(CXXFLAGS) -o $@ $<
obj/imgui_widgets.o: $(IMGUI_DIR)/imgui_widgets.cpp
@mkdir -p obj
$(CXX) -c $(CXXFLAGS) -o $@ $<
obj/imgui_impl_glfw.o: $(IMGUI_DIR)/imgui_impl_glfw.cpp
@mkdir -p obj
$(CXX) -c $(CXXFLAGS) -o $@ $<
obj/imgui_impl_opengl3.o: $(IMGUI_DIR)/imgui_impl_opengl3.cpp
@mkdir -p obj
$(CXX) -c $(CXXFLAGS) -o $@ $<
bitflash: $(IMGUI_OBJS) $(NODE_OBJS) $(GUI_OBJS)
$(CXX) $(CXXFLAGS) -o $@ $^ $(LIBS)
@echo "Built: bitflash"
# ---- headless node ---------------------------------------------------------
#
# Same node, built without ImGui, GLFW or OpenGL. Linking the GUI made the
# binary require libGL at load time even when started with -nogui, because the
# dynamic loader resolves everything before main() runs -- so on a clean server,
# which is where a node most naturally lives, it failed to start with an error
# about shared libraries and no hint that it would otherwise work.
#
# Objects go to obj-node/ because main_gui.cpp is compiled twice, with and
# without -DBITFLASH_NO_GUI, and the two must not overwrite each other.
NODE_LIBS = -L$(SECP_LIB) -lsecp256k1 \
-L$(RANDOMX_DIR)/build -lrandomx \
-lsodium -lssl -lcrypto -ldb_cxx -lpthread
NODE_ONLY_OBJS = $(patsubst obj/%,obj-node/%,$(NODE_OBJS)) \
obj-node/main_gui.o obj-node/headless.o
obj-node/%.o: %.cpp $(HEADERS)
@mkdir -p obj-node
$(CXX) -c $(CXXFLAGS) -DBITFLASH_NO_GUI -o $@ $<
obj-node/sha.o: sha.cpp sha.h
@mkdir -p obj-node
$(CXX) -c $(CXXFLAGS) -DBITFLASH_NO_GUI -O3 -o $@ $<
bitflash-node: $(NODE_ONLY_OBJS)
$(CXX) $(CXXFLAGS) -o $@ $^ $(NODE_LIBS)
@echo "Built: bitflash-node (headless, no libGL needed)"
clean:
rm -rf obj obj-node bitflash bitflash-node
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