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This has a new binding scheme in building OpenSSL-1.1.0 library with
Node.js. OpenSSL-1.1.0 uses a new build system with `Perl` for various
supported platforms. See `openssl/Configurations/README` and
`openssl/Configurations/README.design` in the OpenSSL source for
details.
In order to build OpenSSL library without `Perl` in the build of Node.js
for various supported platforms, platform dependent files (e.g. asm
and header files ) are pre-generated and stored into the
`config/archs` directory.
- `config/Makefile` and `config/generate_gypi.pl`
Makefile has supported platform list and generates and copies
platform dependent files (e.g. asm files) into arch directory with
`generate_gypi.pl`. Platform dependent gypi files also created
obtaining build information from `configdata.pm` that is generated
with `Configure` in the OpenSSL build system.
For Windows, `Configure` generates `makefile` that is only available
to `nmake` command. `config/Makefile_VC-WIN32` and
`config/Makefile_VC-WIN64A` are made by hand for the use of GNU
make. If `makefile` rules or targets are changed in the version up
of OpenSSL, they should be also updated.
- gyp and gypi files (`openssl*.{gyp,gypi}`)
`openssl.gyp` has two targets of openssl and openssl-cli referred
from `node.gyp`. They include asm and no_asm gypi files with arch
dependent gypi according to its build options and platforms. The
gyp data which is common with asm and no_asm are stored in
`openssl_common.gypi`.
- header files (`config/*.{h,h.tmpl}`)
`bn_conf.h`, `dso_conf.h` and `opensslconf.h` are platform dependent
in the OpenSSL sources. They are replaced with `config/*.h.tmpl`
files to include the file in the `../../../config/` and referred to
each arch file that depends on asm and no-asm option.
### Supported architectures for use of ASM
Here is a list of supported architectures for use of ASM in OpenSSL.
| --dest-os | --dest-cpu | OpenSSL target arch | CI |
| --------- | ---------- | -------------------- | --- |
| aix | ppc | aix-gcc | o |
| aix | ppc64 | aix64-gcc | o |
| linux | ia32 | linux-elf | o |
| linux | x32 | linux-x32 | - |
| linux | x64 | linux-x86_64 | o |
| linux | arm | linux-armv4 | o |
| linux | arm64 | linux-aarch64 | o |
| linux | ppc | linux-ppc | o |
| linux | ppc64 | linux-ppc64 | o |
| linux | ppc64(*1) | linux-ppc64le | o |
| linux | s390 | linux32-s390x | o |
| linux | s390x | linux64-s390x | o |
| mac | ia32 | darwin-i386-cc | - |
| mac | x64 | darwin64-x86-cc | o |
| win | ia32 | VC-WIN32 | - |
| win | x64 | VC-WIN64A | o |
| solaris | ia32 | solaris-x86-gcc | o |
| solaris | x64 | solaris64-x86_64-gcc | o |
| freebsd | ia32 | BSD-x86 | - |
| freebsd | x64 | BSD-x86_64 | o |
| openbsd | ia32 | BSD-x86 | - |
| openbsd | x64 | BSD-x86_64 | - |
| others | others | linux-elf | - |
(*1: This needs to be configured with the variable of node_byteorder:
little)
These are listed in [config/Makefile](config/Makefile).
Please refer [config/opensslconf_asm.h](config/opensslconf_asm.h) for details.
### Upgrading OpenSSL
Please refer [config/README.md](config/README.md).
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