set(DEP_CMAKE_OPTS "-DCMAKE_POSITION_INDEPENDENT_CODE=ON")

include("deps-unix-common.cmake")

# Some Linuxes may have very old libpng, so it's best to bundle it instead of relying on the system version.
# find_package(PNG QUIET)
# if (NOT PNG_FOUND)
#     message(WARNING "No PNG dev package found in system, building static library. You should install the system package.")
# endif ()

#TODO UDEV

# ExternalProject_Add(dep_boost
#     EXCLUDE_FROM_ALL 1
#     URL "https://dl.bintray.com/boostorg/release/1.75.0/source/boost_1_75_0.tar.gz"
#     URL_HASH SHA256=aeb26f80e80945e82ee93e5939baebdca47b9dee80a07d3144be1e1a6a66dd6a
#     BUILD_IN_SOURCE 1
#     CONFIGURE_COMMAND ./bootstrap.sh
#         --with-libraries=system,iostreams,filesystem,thread,log,locale,regex,date_time
#         "--prefix=${DESTDIR}/usr/local"
#     BUILD_COMMAND ./b2
#         -j ${NPROC}
#         --reconfigure
#         link=static
#         variant=release
#         threading=multi
#         boost.locale.icu=off
#         --disable-icu
#         cflags=-fPIC
#         cxxflags=-fPIC
#         install
#     INSTALL_COMMAND ""   # b2 does that already
# )

# ExternalProject_Add(dep_libopenssl
#     EXCLUDE_FROM_ALL 1
#     URL "https://github.com/openssl/openssl/archive/OpenSSL_1_1_0l.tar.gz"
#     URL_HASH SHA256=e2acf0cf58d9bff2b42f2dc0aee79340c8ffe2c5e45d3ca4533dd5d4f5775b1d
#     BUILD_IN_SOURCE 1
#     CONFIGURE_COMMAND ./config
#         "--prefix=${DESTDIR}/usr/local"
#         "--libdir=lib"
#         no-shared
#         no-ssl3-method
#         no-dynamic-engine
#         -Wa,--noexecstack
#     BUILD_COMMAND make depend && make "-j${NPROC}"
#     INSTALL_COMMAND make install_sw
# )

# ExternalProject_Add(dep_libcurl
#     EXCLUDE_FROM_ALL 1
#     DEPENDS dep_libopenssl
#     URL "https://curl.haxx.se/download/curl-7.58.0.tar.gz"
#     URL_HASH SHA256=cc245bf9a1a42a45df491501d97d5593392a03f7b4f07b952793518d97666115
#     BUILD_IN_SOURCE 1
#     CONFIGURE_COMMAND ./configure
#         --enable-static
#         --disable-shared
#         "--with-ssl=${DESTDIR}/usr/local"
#         --with-pic
#         --enable-ipv6
#         --enable-versioned-symbols
#         --enable-threaded-resolver
#         --with-random=/dev/urandom
        
#         # CA root certificate paths will be set for openssl at runtime.
#         --without-ca-bundle
#         --without-ca-path
#         --with-ca-fallback # to look for the ssl backend's ca store

#         --disable-ldap
#         --disable-ldaps
#         --disable-manual
#         --disable-rtsp
#         --disable-dict
#         --disable-telnet
#         --disable-pop3
#         --disable-imap
#         --disable-smb
#         --disable-smtp
#         --disable-gopher
#         --without-gssapi
#         --without-libpsl
#         --without-libidn2
#         --without-gnutls
#         --without-polarssl
#         --without-mbedtls
#         --without-cyassl
#         --without-nss
#         --without-axtls
#         --without-brotli
#         --without-libmetalink
#         --without-libssh
#         --without-libssh2
#         --without-librtmp
#         --without-nghttp2
#         --without-zsh-functions-dir
#     BUILD_COMMAND make "-j${NPROC}"
#     INSTALL_COMMAND make install "DESTDIR=${DESTDIR}"
# )