diff options
| author | Richard Levitte <levitte@openssl.org> | 2020-02-26 14:35:17 +0100 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2020-03-02 03:34:30 +0100 |
| commit | e42921790267d54054cde1596711219b72a184ad (patch) | |
| tree | 4fde9afd10c5130bed9de1b579b1a5e1eae35b02 /doc/internal | |
| parent | ad5be194c6b08e89f9a6e2a78b85ff19a3c40d40 (diff) | |
build.info: Implement simply substitutions in variable values
Use case: having a variable with multiple source files in its value,
and wanting to refer to the corresponding object file.
$SRCS=foo.c bar.c
SOURCE[program]=$SRCS
DEPEND[${SRCS/.c/.o}]=prog.h
GENERATE[prog.h]=...
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/11185)
Diffstat (limited to 'doc/internal')
| -rw-r--r-- | doc/internal/man7/build.info.pod | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/doc/internal/man7/build.info.pod b/doc/internal/man7/build.info.pod index c2020a432f..f6ca49067d 100644 --- a/doc/internal/man7/build.info.pod +++ b/doc/internal/man7/build.info.pod @@ -270,6 +270,22 @@ part of is tokenized>. I<Variable assignment values are not tokenized.> +Variable references can be one of: + +=over 4 + +=item B<$>I<NAME> or B<${>I<NAME>B<}> + +Simple reference; the variable reference is replaced with its value, +verbatim. + +=item B<${>I<NAME>B</>I<str>B</>I<subst>B<}> + +Substitution reference; the variable reference is replaced with its +value, modified by replacing all occurences of I<str> with I<subst>. + +=back + =head2 Scope Most of the statement values are accumulated globally from all the |