On 19 Jan 2010, at 15:27, Francisco Vila wrote:
Is there a difference between `make' and `make all'?
No. Where does the convention that all is the default target come
from,
by the way? Is it a GNU standard?
After reading the manuals of GNU make, I am confused. GNU software
should have 'all' as the default target, but 'make' alone processes
the first target in the Makefile as the default goal; this could be
other than 'all'.
http://www.gnu.org/software/make/manual/make.html#Standard-Targets
In other words, the default goal is 'all only if it is the first one,
and it should be by convention.
Yes, see
http://www.gnu.org/software/make/manual/make.html#How-Make-Works
There are really two parts: how the program 'make' works, and
conventions for GNU software. The latter wants have a target 'make
all', and should be the default, same as 'make', but it must not be so
- it is just a recommendation. If one wants to have it that way, it
must be the first target, because 'make' always starts with the first
one; 'make' itself does not have any hardwired information about
target name.
Hans
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