WIP

Author: toy

Makefile

@@ -536,6 +536,7 @@ $(PNGQUANT_TARGET) : export OVERRIDE_BIN_DIR = $(LIBPNG_DIR)/override-bin
 $(PNGQUANT_TARGET) : export PATH := $(OVERRIDE_BIN_DIR):$(PATH)
 $(PNGQUANT_TARGET) : export RUSTFLAGS = -C link-arg=$(XORIGIN)
 $(PNGQUANT_TARGET) :
+	# prevent build code of libpng-sys crate from using libpng-config
 	mkdir -p $(OVERRIDE_BIN_DIR)
 	cd $(OVERRIDE_BIN_DIR) && printf '%s\n' '#!/bin/sh' 'echo 1.5' > libpng-config && chmod +x libpng-config
 	cd $(DIR) && cargo build --release --frozen --offline --target=$(RUST_HOST)