Configuration: produce include/openssl/configuration.h when configuring

The goal is to avoid having too much of the OpenSSL source rebuilt
because include/openssl/configuration.h, or eve

Configuration: produce include/openssl/configuration.h when configuring

The goal is to avoid having too much of the OpenSSL source rebuilt
because include/openssl/configuration.h, or even because it was a
Makefile target that was called upon (some make implementations
consider the use of a target as an update of that target, even if it
wasn't really updated).

To resolve this, we move the production of include/openssl/configuration.h
to configdata.pm, and only update it if there were any actual changes.

Fixes #16377

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Todd Short <todd.short@me.com>
(Merged from https://github.com/openssl/openssl/pull/16378)

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Configuration: only produce a new configdata.pm if it has changed contents

The goal is to avoid having too much of the OpenSSL source rebuilt
because configdata.pm got a new time stamp.

Configuration: only produce a new configdata.pm if it has changed contents

The goal is to avoid having too much of the OpenSSL source rebuilt
because configdata.pm got a new time stamp. The conditions for
updating configdata.pm are now:

1. its time stamp is older than Configure's, or...
2. its contents has changed.

Fixes #16377

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Todd Short <todd.short@me.com>
(Merged from https://github.com/openssl/openssl/pull/16378)

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Fix typos

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17392)

configdata.pm: Allow extra arguments when --query is given.

That allows operations like this:

./configdata.pm --query 'get_sources(@ARGV)' file1 file2 file3

Reviewed-by

configdata.pm: Allow extra arguments when --query is given.

That allows operations like this:

./configdata.pm --query 'get_sources(@ARGV)' file1 file2 file3

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15514)

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Fix configdata.pm.in's "use lib" for VMS

`use lib` needs Unix formatted paths. For VMS, it means that we must
make sure to convert paths, and we may as well generalise it.

In t

Fix configdata.pm.in's "use lib" for VMS

`use lib` needs Unix formatted paths. For VMS, it means that we must
make sure to convert paths, and we may as well generalise it.

In this case, we need to adapt the functions sourcedir() and sourcefile()

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15317)

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Rework how a build file (Makefile, ...) is produced

The memory footprint of how we produced the Makefile was quite...
important, because we have all the processing in one perl snippet, a

Rework how a build file (Makefile, ...) is produced

The memory footprint of how we produced the Makefile was quite...
important, because we have all the processing in one perl snippet, and
generate the details of the build file by appending to the "magic"
variable $OUT. The result is that this variable gets to hold the
majority of the build file text, and depending on memory reallocation
strategies for strings, the heap may hold multiple (possibly not just
a few) copies of this string, almost all of them "freed" but still
taking up space. This has resulted in memory exhaustion.

We therefore change strategy, and generate the build file in two
phases, where the first phase generates the full template using small
perl snippets for each detail, and the second phase processes this
template. This is much kinder to process memory.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15310)

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Move some OpenSSL perl utility functions to OpenSSL::Util

quotify1() and quotify_l() were in OpenSSL::Template, but should be
more widely usable.

configdata.pm.in's out_item() i

Move some OpenSSL perl utility functions to OpenSSL::Util

quotify1() and quotify_l() were in OpenSSL::Template, but should be
more widely usable.

configdata.pm.in's out_item() is also more widely useful and is
therefore moved to OpenSSL::Util as well, and renamed to dump_data().

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15310)

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Add OpenSSL::Config::Query and use it in configdata.pm

OpenSSL::Config::Query is a configuration querying tool that's meant
to make it easier to query the diverse configuration data for

Add OpenSSL::Config::Query and use it in configdata.pm

OpenSSL::Config::Query is a configuration querying tool that's meant
to make it easier to query the diverse configuration data for info.
That's much easier than to dig through all the parts of %unified_info.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8871)

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configdata.pm.in, util/dofile.pl: Make a HERE document stricter.

Fixes #13221
Fixes #12743
Fixes #12078

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://gi

configdata.pm.in, util/dofile.pl: Make a HERE document stricter.

Fixes #13221
Fixes #12743
Fixes #12078

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13225)

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configdata.pm.in: Don't try to quotify undefined values

Fixes #10503

Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/open

configdata.pm.in: Don't try to quotify undefined values

Fixes #10503

Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/10548)

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configdata.pm.in, util/dofile.pl: load 'platform' unconditionally

The 'platform' module handles defaults fine, there's no need to add
extra conditions on it being loaded.

Fixes

configdata.pm.in, util/dofile.pl: load 'platform' unconditionally

The 'platform' module handles defaults fine, there's no need to add
extra conditions on it being loaded.

Fixes #10513

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10514)

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confdata.pm.in: New template for configdata.pm

To have the configdata.pm text embedded in Configure was kind of ugly,
and becomes clearer if put into a template file, configdata.pm.in.

confdata.pm.in: New template for configdata.pm

To have the configdata.pm text embedded in Configure was kind of ugly,
and becomes clearer if put into a template file, configdata.pm.in. We
can then use OpenSSL::Template to generate it.

We also modify configdata.pm to be the build file generator, and run
it from Configure. The benefit with that is that developers who
tinker and play with the build file can do a "factory reset" without
having to go through the configuration process, i.e. they can re-use
the config data the already have.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9693)

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