There are rare cases when an object file will only be used when
building a shared library. To enable this, we introduce
SHARED_SOURCE:
SHARED_SOURCE[libfoo]=dllmain.c
Reviewed-by: Andy Polyakov <appro@openssl.org>
The source file generators sometimes use $(CC) to post-process
generated source, and getting the inclusion directories may be
necessary at times, so we pass them down.
RT#4406
Reviewed-by: Rich Salz <rsalz@openssl.org>
Should it be needed because the recipes within a RAW section might
clash with those generated by Configure, it's possible to tell it
not to generate them with the use of OVERRIDES, for example:
SOURCE[libfoo]=foo.c bar.c
OVERRIDES=bar.o
BEGINRAW[Makefile(unix)]
bar.o: bar.c
$(CC) $(CFLAGS) -DSPECIAL -c -o $@ $<
ENDRAW[Makefile(unix)]
Reviewed-by: Rich Salz <rsalz@openssl.org>
In some cases, one might want to generate some source files from
others, that's done as follows:
GENERATE[foo.s]=asm/something.pl $(CFLAGS)
GENERATE[bar.s]=asm/bar.S
The value of each GENERATE line is a command line or part of it.
Configure places no rules on the command line, except the the first
item muct be the generator file. It is, however, entirely up to the
build file template to define exactly how those command lines should
be handled, how the output is captured and so on.
Reviewed-by: Rich Salz <rsalz@openssl.org>
This takes us away from the idea that we know exactly how our static
libraries are going to get used. Instead, we make them available to
build shareable things with, be it other shared libraries or DSOs.
On the other hand, we also have greater control of when the shared
library cflags. They will never be used with object files meant got
binaries, such as apps/openssl or test/test*.
With unified, we take this a bit further and prepare for having to
deal with extra cflags specifically to be used with DSOs (dynamic
engines), libraries and binaries (applications).
Reviewed-by: Rich Salz <rsalz@openssl.org>
Since we're using the acronym DSO everywhere else and that's a common
name for that kind of object, we might as well do so here as well.
Reviewed-by: Andy Polyakov <appro@openssl.org>
.d (.MMS in the VMS world) files with just dependencies are built from
exactly the same conditions as the object files. Therefore, the rules
for them can be built at the same time as the rules for the
corresponding object files.
This removes the requirement for a src2dep function in the build file
templates, and for common.tmpl to call it. In the end, the existence
of depend files is entirely up to the build file.
Reviewed-by: Rich Salz <rsalz@openssl.org>
There was a catch 22, where 'make depend' directly after configuring
in an otherwise pristine build tree would fail because buildinf.h
didn't exist yet.
This change has the depend building targets depend on the same other
targets as the object file building targets, so the generation of
buildinf.h and similar files would kick in during 'make depend'.
Reviewed-by: Rich Salz <rsalz@openssl.org>
common.tmpl will be used together with the template build file, and is
the engine that connects the information gathered from all the
build.info files with making the build file itself.
This file expects there to be a template section in the build file
template that defines a number perl functions designed to return
strings with appropriate lines for the build system at hand. The
exact functions, what they can expect as arguments and what output
they're expected to produce is documented in Configurations/README.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>