Hi there,
I have a makefile taht works well in normal execution.
But I try in parallel (-j) , I have sometimes some problem.
here is a summary of my Makefile :
DEST_DIR= ...
LIB=libFoo.so
OBJS=....
lib: build_dir_setup $(DEST_DIR)/$(LIB)
build_dir_setup :
mkdir -p $(DEST_DIR)
$(LIB_DIR)/$(LIB): $(OBJS)
ld .....
$(LIB_DIR)/%.o : %.c
cc $< -c -o $@
The problem with that is the "build_dir_setup" target.
This is here to only build the directories where the final objs and the lib
will be.
So it's mandatory that these 2 directories exists before to do the link or
the compilation.
however, if I build in parallel, it seems that it's trying to build some
objects before the build_dir_setup completed
so bringing error message like :
"Cannot open dir/toto.o"
how can I enforce this target to be processed before.
TIA,
~Xavier
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