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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindErlang
-------
Finds Erlang libraries.
Imported Targets
^^^^^^^^^^^^^^^^
This module provides the following imported targets, if found:
``Erlang::Erlang``
Header only interface library suitible for compiling NIFs.
``Erlang::EI``
Erlang interface library.
``Erlang::ERTS``
Erlang runtime system library.
Result Variables
^^^^^^^^^^^^^^^^
This will define the following variables:
``Erlang_FOUND``
True if the system has the Erlang library.
``Erlang_RUNTIME``
The path to the Erlang runtime.
``Erlang_COMPILE``
The path to the Erlang compiler.
``Erlang_EI_PATH``
The path to the Erlang erl_interface path.
``Erlang_ERTS_PATH``
The path to the Erlang erts path.
``Erlang_EI_INCLUDE_DIRS``
/include appended to Erlang_EI_PATH.
``Erlang_EI_LIBRARY_PATH``
/lib appended to Erlang_EI_PATH.
``Erlang_ERTS_INCLUDE_DIRS``
/include appended to Erlang_ERTS_PATH.
``Erlang_ERTS_LIBRARY_PATH``
/lib appended to Erlang_ERTS_PATH.
``Erlang_OTP_VERSION``
Current Erlang OTP version
#]=======================================================================]
include(FindPackageHandleStandardArgs)
SET(Erlang_BIN_PATH
$ENV{ERLANG_HOME}/bin
/opt/bin
/sw/bin
/usr/bin
/usr/local/bin
/opt/local/bin
)
FIND_PROGRAM(Erlang_RUNTIME
NAMES erl
PATHS ${Erlang_BIN_PATH}
)
FIND_PROGRAM(Erlang_COMPILE
NAMES erlc
PATHS ${Erlang_BIN_PATH}
)
EXECUTE_PROCESS(
COMMAND erl -noshell -eval "io:format(\"~s\", [code:lib_dir()])" -s erlang halt
OUTPUT_VARIABLE Erlang_OTP_LIB_DIR
)
EXECUTE_PROCESS(
COMMAND erl -noshell -eval "io:format(\"~s\", [code:root_dir()])" -s erlang halt
OUTPUT_VARIABLE Erlang_OTP_ROOT_DIR
)
EXECUTE_PROCESS(
COMMAND erl -noshell -eval "io:format(\"~s\",[filename:basename(code:lib_dir('erl_interface'))])" -s erlang halt
OUTPUT_VARIABLE Erlang_EI_DIR
)
EXECUTE_PROCESS(
COMMAND erl -noshell -eval "io:format(\"~s\",[filename:basename(code:lib_dir('erts'))])" -s erlang halt
OUTPUT_VARIABLE Erlang_ERTS_DIR
)
EXECUTE_PROCESS(
COMMAND erl -noshell -eval "io:format(\"~s\", [erlang:system_info(otp_release)])" -s erlang halt
OUTPUT_VARIABLE Erlang_OTP_VERSION
)
SET(Erlang_EI_PATH ${Erlang_OTP_LIB_DIR}/${Erlang_EI_DIR})
SET(Erlang_EI_INCLUDE_DIRS ${Erlang_OTP_LIB_DIR}/${Erlang_EI_DIR}/include)
SET(Erlang_EI_LIBRARY_PATH ${Erlang_OTP_LIB_DIR}/${Erlang_EI_DIR}/lib)
SET(Erlang_ERTS_PATH ${Erlang_OTP_ROOT_DIR}/${Erlang_ERTS_DIR})
SET(Erlang_ERTS_INCLUDE_DIRS ${Erlang_OTP_ROOT_DIR}/${Erlang_ERTS_DIR}/include)
SET(Erlang_ERTS_LIBRARY_PATH ${Erlang_OTP_ROOT_DIR}/${Erlang_ERTS_DIR}/lib)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(
Erlang
DEFAULT_MSG
Erlang_RUNTIME
Erlang_COMPILE
Erlang_OTP_LIB_DIR
Erlang_OTP_ROOT_DIR
Erlang_EI_DIR
Erlang_ERTS_DIR
Erlang_OTP_VERSION
)
if(Erlang_FOUND)
if(NOT TARGET Erlang::Erlang)
add_library(Erlang::Erlang INTERFACE IMPORTED)
set_target_properties(Erlang::Erlang
PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${Erlang_OTP_ROOT_DIR}/usr/include
)
endif()
if(NOT TARGET Erlang::ERTS)
add_library(Erlang::ERTS STATIC IMPORTED)
set_target_properties(Erlang::ERTS
PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${Erlang_ERTS_INCLUDE_DIRS}
IMPORTED_LOCATION ${Erlang_ERTS_LIBRARY_PATH}/liberts.a
)
endif()
if(NOT TARGET Erlang::EI)
add_library(erlang_ei STATIC IMPORTED)
set_property(TARGET erlang_ei PROPERTY
IMPORTED_LOCATION ${Erlang_EI_LIBRARY_PATH}/libei.a
)
add_library(Erlang::EI INTERFACE IMPORTED)
set_property(TARGET Erlang::EI PROPERTY
INTERFACE_INCLUDE_DIRECTORIES ${Erlang_EI_INCLUDE_DIRS}
)
set_property(TARGET Erlang::EI PROPERTY
INTERFACE_LINK_LIBRARIES erlang_ei
)
endif()
endif(Erlang_FOUND)
#[[
https://gist.github.com/JayKickliter/dd0016bd5545de466e7ca158d4b19417
How I compile Erlang from source on macOS
CFLAGS="-Og -ggdb3 -fno-omit-frame-pointer" \
CXXFLAGS="-Og -ggdb3 -fno-omit-frame-pointer" \
./configure \
--prefix=$HOME/.local \
--disable-silent-rules \
--enable-dynamic-ssl-lib \
--with-ssl=/usr/local/opt/openssl \
--disable-hipe \
--enable-sctp \
--enable-shared-zlib \
--enable-smp-support \
--enable-threads \
--enable-wx \
--without-javac \
--enable-darwin-64bit
]]
|
