tce-load -i compiletc cmake openssl-dev mbedtls-dev

wget https://github.com/libgit2/libgit2/archive/refs/tags/v1.9.4.tar.gz

cd libgit2-1.9.4

mkdir build
cd build

cmake -LAH -DCMAKE_C_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=release -DCMAKE_VERBOSE_MAKEFILE=TRUE -DBUILD_CLAR=OFF ../

make [6m 20.73s]
make install

-- Enabled features:
 * nanoseconds, support nanosecond precision file mtimes and ctimes
 * HTTPS, using OpenSSL
 * SHA1, using CollisionDetection
 * SHA256, using OpenSSL
 * http-parser, using bundled parser
 * regex, using bundled PCRE
 * xdiff, xdiff support (bundled)
 * zlib, using system zlib
 * futimens, futimens support
 * threadsafe, threadsafe support
 * ntlmclient, NTLM authentication support for Unix

-- Disabled features:
 * SHA256 API, experimental SHA256 APIs
 * debugpool, debug pool allocator
 * debugalloc, debug strict allocators
 * debugopen, path validation in open
 * GSSAPI, GSSAPI support for SPNEGO authentication
 * SSH, SSH transport support
 * iconv, iconv encoding conversion support