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Add otp_release to erl_opts option for platform-specific defines #30

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Add otp_release to erl_opts option for platform-specific defines #30

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3 changes: 2 additions & 1 deletion rebar.config.sample
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,8 @@
{erl_opts, [{i, "myinclude"}, {src_dirs, ["src1", "src2"]},
{platform_define,
"(linux|solaris|freebsd|darwin)", 'HAVE_SENDFILE'},
{platform_define, "(linux|freebsd)", 'BACKLOG', 128}]}.
{platform_define, "(linux|freebsd)", 'BACKLOG', 128},
{platform_define, "R13", 'old_inets'}]}.

%% MIB Options?
{mib_opts, []}.
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25 changes: 19 additions & 6 deletions src/rebar_erlc_compiler.erl
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Expand Up @@ -42,16 +42,29 @@
%%
%% * erl_opts - Erlang list of options passed to compile:file/2
%% It is also possible to specify platform specific
%% options by specifying a triplet where the first string
%% is a regex that is checked against Erlang's system
%% architecture string. E.g. to define HAVE_SENDFILE only
%% on systems with sendfile() and define BACKLOG on
%% Linux/FreeBSD as 128 do:
%% options by specifying a pair or a triplet where the
%% first string is a regex that is checked against the
%% string
%%
%% OtpRelease ++ "-" ++ SysArch ++ "-" ++ Words.
%%
%% where
%%
%% OtpRelease = erlang:system_info(otp_release).
%% SysArch = erlang:system_info(system_architecture).
%% Words = integer_to_list(8 * erlang:system_info(wordsize)).
%%
%% E.g. to define HAVE_SENDFILE only on systems with
%% sendfile(), to define BACKLOG on Linux/FreeBSD as 128,
%% and to define 'old_inets' for R13 OTP release do:
%%
%% {erl_opts, [{platform_define,
%% "(linux|solaris|freebsd|darwin)",
%% 'HAVE_SENDFILE'},
%% {platform_define, "(linux|freebsd)",
%% 'BACKLOG', 128}]}.
%% 'BACKLOG', 128},
%% {platform_define, "R13",
%% 'old_inets'}]}.
%%

-spec compile(Config::#config{}, AppFile::string()) -> 'ok'.
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1 change: 1 addition & 0 deletions src/rebar_utils.erl
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Expand Up @@ -60,6 +60,7 @@ is_arch(ArchRegex) ->

get_arch() ->
Words = integer_to_list(8 * erlang:system_info(wordsize)),
erlang:system_info(otp_release) ++ "-" ++
erlang:system_info(system_architecture) ++ "-" ++ Words.

%%
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