我尝试了以下方法:
$(shell ./libpng/configure)
./libpng/configure
在这种情况下,
all : build_jpeg build_libpng
#JPEG BUILD RULES
build_jpeg :
make -C ./jpeg
#LIB PNG BUILD RULES
build_libpng :
$(shell ./libpng/configure)
make -C ./libpng
我该怎么做才能让这个工作?