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Document the changes in config settings

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Reviewed-by: Andy Polyakov <appro@openssl.org>
This commit is contained in:
Richard Levitte 2016-02-27 17:14:44 +01:00
parent 2952b9b811
commit 2ad9ef06a6
1 changed files with 9 additions and 28 deletions
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37
Configurations/README
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@ -28,30 +28,6 @@ In each table entry, the following keys are significant:
given here, they MUST be as an array of the
string such as "MACRO=value", or just
"MACRO" for definitions without value.
debug_cflags => Extra compilation flags used when making a
debug build (when Configure receives the
--debug option). Typically something like
"-g -O0".
debug_defines => Similarly to `debug_cflags', this gets
combined with `defines' during a debug
build. The value here MUST also be an
array of the same form as for `defines'.
release_cflags => Extra compilation flags used when making a
release build (when Configure receives the
--release option, or doesn't receive the
--debug option). Typically something like
"-O" or "-O3".
release_defines => Similarly to `release_cflags', this gets
combined with `defines' during a release
build. The value here MUST also be an
array of the same form as for `defines'.
thread_cflags => Extra compilation flags used when
compiling with threading enabled.
Explained further below. [2]
thread_defines => Similarly to `thread_cflags', this gets
combined with `defines' when threading is
enabled. The value here MUST also be an
array of the same form as for `defines'.
shared_cflag => Extra compilation flags used when
compiling for shared libraries, typically
something like "-fPIC".
@ -70,9 +46,6 @@ In each table entry, the following keys are significant:
ex_libs => Extra libraries that are needed when
linking.
debug_lflags => Like debug_cflags, but used when linking.
release_lflags => Like release_cflags, but used when linking.
ar => The library archive command, the default is
"ar".
(NOTE: this is here for future use, it's
@ -97,6 +70,14 @@ In each table entry, the following keys are significant:
this is here for future use, it's not
implemented yet)
thread_scheme => The type of threads is used on the
configured platform. Currently known
values are "(unknown)", "pthreads",
"uithreads" (a.k.a solaris threads) and
"winthreads". Except for "(unknown)", the
actual value is currently ignored but may
be used in the future. See further notes
below [2].
dso_scheme => The type of dynamic shared objects to build
for. This mostly comes into play with
engines, but can be used for other purposes
@ -265,7 +246,7 @@ In each table entry, the following keys are significant:
}
[2] OpenSSL is built with threading capabilities unless the user
specifies 'no-threads'. The value of the key 'thread_cflags' may
specifies 'no-threads'. The value of the key 'thread_scheme' may
be "(unknown)", in which case the user MUST give some compilation
flags to Configure.