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blender/build_files/build_environment/cmake/ssl.cmake

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Build environment: Enable SSL for Python on Linux This involved getting SSL compiled from sources first, ensuring it is a static library placement independent code. Configuration is based on what Debian is using. CFlags required to have own configuration file, which i didn't find a better place that next to the corresponding CMake file. It is OpenSSL btw. It is set to Python via --with-openssl= configuration argument. This works fine in a clean chroot, but having libssl-dev installed might make Python to prefer system wide library, This was worked around by using libssl_pic.a name for the library and modifying setup.py. Would be cool to ensure system wide libraries are not a problem, but official release builder is safe against this, since it will catch possible non-static dependencies. There is also a new map file which shadows bunch of Python symbols. Without this Python's shared libraries might bring conflicting symbols to Blender namespace at runtime. Hopefully this doesn't break other platforms.
2018-08-27 16:09:30 +00:00
# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ***** END GPL LICENSE BLOCK *****
set(SSL_CONFIGURE_COMMAND ./Configure)
set(SSL_PATCH_CMD echo .)
Cleanup: style, indentation
2019-06-18 21:24:55 +00:00
if(APPLE)
macOS: Support arm64 architecture. Enabling all `make deps` dependencies with the exception of Embree and OIDN. After that, Blender can be compiled on an Apple Silicon Mac just like on any Intel based Mac. There are still compiler warnings that need to be investigated and there are probably a couple of bug still to be discovered and to be fixed. Most patches to the dependencies are simple and are about disabling SSE and setting the proper architecture to compiile for. Notable exception is Python, where I back ported a yet to be accepted PR for upstream Python: https://github.com/python/cpython/pull/21249 Cross compiling or buliding a Universal Binary is not supported yet. The minimum macOS target version for x86_64 remains at 10.13, the target for arm64 is 11.00. Differential Revision: https://developer.blender.org/D8236
2020-07-16 07:25:55 +00:00
set(SSL_OS_COMPILER "blender-darwin-${CMAKE_OSX_ARCHITECTURES}")
Build environment: Enable SSL for Python on Linux This involved getting SSL compiled from sources first, ensuring it is a static library placement independent code. Configuration is based on what Debian is using. CFlags required to have own configuration file, which i didn't find a better place that next to the corresponding CMake file. It is OpenSSL btw. It is set to Python via --with-openssl= configuration argument. This works fine in a clean chroot, but having libssl-dev installed might make Python to prefer system wide library, This was worked around by using libssl_pic.a name for the library and modifying setup.py. Would be cool to ensure system wide libraries are not a problem, but official release builder is safe against this, since it will catch possible non-static dependencies. There is also a new map file which shadows bunch of Python symbols. Without this Python's shared libraries might bring conflicting symbols to Blender namespace at runtime. Hopefully this doesn't break other platforms.
2018-08-27 16:09:30 +00:00
else()
Build Environment: updates for macOS. Mainly this is following Linux to build own xml2/lzma/ssl/sqlite and linking them all statically. This ensures the Python ssl module uses a recent openssl version rather than a very old one shipped with macOS.
2018-09-10 12:25:06 +00:00
if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
set(SSL_EXTRA_ARGS enable-ec_nistp_64_gcc_128)
set(SSL_OS_COMPILER "blender-linux-x86_64")
else()
set(SSL_OS_COMPILER "blender-linux-x86")
endif()
Build environment: Enable SSL for Python on Linux This involved getting SSL compiled from sources first, ensuring it is a static library placement independent code. Configuration is based on what Debian is using. CFlags required to have own configuration file, which i didn't find a better place that next to the corresponding CMake file. It is OpenSSL btw. It is set to Python via --with-openssl= configuration argument. This works fine in a clean chroot, but having libssl-dev installed might make Python to prefer system wide library, This was worked around by using libssl_pic.a name for the library and modifying setup.py. Would be cool to ensure system wide libraries are not a problem, but official release builder is safe against this, since it will catch possible non-static dependencies. There is also a new map file which shadows bunch of Python symbols. Without this Python's shared libraries might bring conflicting symbols to Blender namespace at runtime. Hopefully this doesn't break other platforms.
2018-08-27 16:09:30 +00:00
endif()
ExternalProject_Add(external_ssl
URL ${SSL_URI}
DOWNLOAD_DIR ${DOWNLOAD_DIR}
URL_HASH SHA256=${SSL_HASH}
PREFIX ${BUILD_DIR}/ssl
PATCH_COMMAND ${SSL_PATCH_CMD}
CONFIGURE_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/ssl/src/external_ssl/ && ${SSL_CONFIGURE_COMMAND} --prefix=${LIBDIR}/ssl
--openssldir=${LIBDIR}/ssl
no-shared
no-idea no-mdc2 no-rc5 no-zlib no-ssl3 enable-unit-test no-ssl3-method enable-rfc3779 enable-cms
--config=${CMAKE_CURRENT_SOURCE_DIR}/cmake/ssl.conf
${SSL_OS_COMPILER}
BUILD_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/ssl/src/external_ssl/ && make -j${MAKE_THREADS}
INSTALL_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/ssl/src/external_ssl/ && make install
INSTALL_DIR ${LIBDIR}/ssl
)
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