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5.10.7 Erlang Compiler and Interpreter Characteristics

Autoconf defines the following macros for determining paths to the essential Erlang/OTP programs:

Macro: AC_ERLANG_PATH_ERLC ([value-if-not-found] @dvar{path, $PATH})

Determine an Erlang compiler to use. If ERLC is not already set in the environment, check for erlc. Set output variable ERLC to the complete path of the compiler command found. In addition, if ERLCFLAGS is not set in the environment, set it to an empty value.

The two optional arguments have the same meaning as the two last arguments of macro AC_PATH_PROG for looking for the erlc program. For example, to look for erlc only in the ‘/usr/lib/erlang/bin’ directory:

AC_ERLANG_PATH_ERLC([not found], [/usr/lib/erlang/bin])
Macro: AC_ERLANG_NEED_ERLC ([path = ‘$PATH]

A simplified variant of the AC_ERLANG_PATH_ERLC macro, that prints an error message and exits the configure script if the erlc program is not found.

Macro: AC_ERLANG_PATH_ERL ([value-if-not-found] @dvar{path, $PATH})

Determine an Erlang interpreter to use. If ERL is not already set in the environment, check for erl. Set output variable ERL to the complete path of the interpreter command found.

The two optional arguments have the same meaning as the two last arguments of macro AC_PATH_PROG for looking for the erl program. For example, to look for erl only in the ‘/usr/lib/erlang/bin’ directory:

AC_ERLANG_PATH_ERL([not found], [/usr/lib/erlang/bin])
Macro: AC_ERLANG_NEED_ERL ([path = ‘$PATH]

A simplified variant of the AC_ERLANG_PATH_ERL macro, that prints an error message and exits the configure script if the erl program is not found.


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