shaka-packager/.gitmodules
Joey Parrish 9be7c2b1ac
feat: Portable, fully-static release executables on Linux (#1351)
This adds the option FULLY_STATIC to create fully-static executables.

To create portable, fully-static release executables on Linux, we need
to use musl instead of glibc. Static executables from glibc are not
portable.

The popular musl-gcc wrapper does not support C++, so instead we use a
full musl cross-compiler toolchain in the build workflow.

To build FULLY_STATIC, the user must point to the appropriate
cross-compiler, as we do in the workflow. On systems where musl is the
native libc (such as Alpine Linux), this is not necessary.

I have also read that musl's allocator is not very fast in
multi-threaded applications. So when FULLY_STATIC is enabled, we will
also enable mimalloc, a replacement allocator that is very fast.

I tested a very basic packaging command to compare speeds of dynamic
glibc, static musl, and static musl+mimalloc:

dynamic glibc:
runs: 2.527, 2.798, 2.703, 2.756, 2.959
avg = 2.749, std dev = 0.156s

static musl:
runs: 2.813, 2.920, 3.129, 3.003, 2.738
avg = 2.921s, std dev = 0.154s

static musl+mimalloc:
runs: 2.291, 2.034, 2.415, 2.303, 2.265
avg = 2.262s, std dev = 0.140s

The mimalloc build is 82% faster than musl default allocator, 77% faster
than glibc, and has more consistent runtime characteristics (lower
standard deviation).
2024-02-27 10:47:04 -08:00

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[submodule "packager/third_party/googletest/source"]
path = packager/third_party/googletest/source
url = https://github.com/google/googletest
[submodule "packager/third_party/abseil-cpp/source"]
path = packager/third_party/abseil-cpp/source
url = https://github.com/abseil/abseil-cpp
[submodule "packager/third_party/curl/source"]
path = packager/third_party/curl/source
url = https://github.com/curl/curl
[submodule "packager/third_party/json/source"]
path = packager/third_party/json/source
url = https://github.com/nlohmann/json
[submodule "packager/third_party/mbedtls/source"]
path = packager/third_party/mbedtls/source
url = https://github.com/Mbed-TLS/mbedtls
[submodule "packager/third_party/zlib/source"]
path = packager/third_party/zlib/source
url = https://github.com/madler/zlib
[submodule "packager/third_party/libpng/source"]
path = packager/third_party/libpng/source
url = https://github.com/glennrp/libpng
[submodule "packager/third_party/libwebm/source"]
path = packager/third_party/libwebm/source
url = https://github.com/webmproject/libwebm
[submodule "packager/third_party/libxml2/source"]
path = packager/third_party/libxml2/source
url = https://github.com/GNOME/libxml2
[submodule "packager/third_party/protobuf/source"]
path = packager/third_party/protobuf/source
url = https://github.com/protocolbuffers/protobuf
[submodule "packager/third_party/mongoose/source"]
path = packager/third_party/mongoose/source
url = https://github.com/cesanta/mongoose
[submodule "packager/third_party/c-ares/source"]
path = packager/third_party/c-ares/source
url = https://github.com/c-ares/c-ares
[submodule "packager/third_party/mimalloc/source"]
path = packager/third_party/mimalloc/source
url = https://github.com/microsoft/mimalloc