forked from Telodendria/Telodendria
Merge branch 'master' of https://git.telodendria.io/Telodendria/Telodendria into implement-26
This commit is contained in:
commit
05979345ce
2 changed files with 84 additions and 22 deletions
41
configure
vendored
41
configure
vendored
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@ -14,12 +14,12 @@ INCLUDE="src/include"
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TOOLS="tools/src"
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SCHEMA="Schema"
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CFLAGS="-Wall -Wextra -pedantic -std=c89 -O3 -pipe -D_DEFAULT_SOURCE -I${INCLUDE}"
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CFLAGS="-Wall -Wextra -pedantic -std=c89 -O3 -pipe -D_DEFAULT_SOURCE -I${INCLUDE} -I${BUILD}"
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LIBS="-lm -pthread -lCytoplasm"
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# Set default args for all platforms
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SCRIPT_ARGS="--prefix=/usr/local --enable-ld-extra --bin-name=telodendria --version=0.4.0 --static $@"
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SCRIPT_ARGS="--cc=cc --prefix=/usr/local --enable-ld-extra --bin-name=telodendria --version=0.4.0 --static $@"
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echo "Processing options..."
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echo "Ran with arguments: $SCRIPT_ARGS"
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@ -27,6 +27,9 @@ echo "Ran with arguments: $SCRIPT_ARGS"
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# Process all arguments
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for arg in $SCRIPT_ARGS; do
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case "$arg" in
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--cc=*)
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CC=$(echo "$arg" | cut -d '=' -f 2-)
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;;
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--prefix=*)
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PREFIX=$(echo "$arg" | cut -d '=' -f 2-)
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;;
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@ -60,7 +63,7 @@ for arg in $SCRIPT_ARGS; do
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STATIC=""
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;;
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*)
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echo "Invalid argument: $1"
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echo "Invalid argument: $arg"
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exit 1
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;;
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esac
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@ -112,8 +115,8 @@ compile_obj() {
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src="$1"
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obj="$2"
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pref=$(cc -I${INCLUDE} -MM -MT "${obj}" "${src}")
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echo "$pref $(collect ${SCHEMA}/ .json .h ${INCLUDE}/Schema/ print_obj)"
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pref=$(${CC} -I${INCLUDE} -I${BUILD} -MM -MT "${obj}" "${src}")
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echo "$pref $(collect ${SCHEMA}/ .json .h ${BUILD}/Schema/ print_obj)"
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echo "${TAB}@mkdir -p $(dirname ${obj})"
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echo "${TAB}\$(CC) \$(CFLAGS) -fPIC -c -o \"${obj}\" \"${src}\""
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}
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@ -153,13 +156,19 @@ compile_schema() {
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src="$1"
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out="$2"
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echo "${INCLUDE}/Schema/${out}.h:"
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echo "${TAB}@mkdir -p ${INCLUDE}/Schema ${SRC}/Schema"
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echo "${TAB}j2s -s \"${src}\" -h \"${INCLUDE}/Schema/${out}.h\" -c \"${SRC}/Schema/${out}.c\""
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obj="${BUILD}/Schema/${out}.o"
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echo "${SRC}/Schema/${out}.c:"
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echo "${TAB}@mkdir -p ${INCLUDE}/Schema ${SRC}/Schema"
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echo "${TAB}j2s -s \"${src}\" -h \"${INCLUDE}/Schema/${out}.h\" -c \"${SRC}/Schema/${out}.c\""
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echo "${BUILD}/Schema/${out}.h:"
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echo "${TAB}@mkdir -p ${BUILD}/Schema"
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echo "${TAB}j2s -s \"${src}\" -h \"${BUILD}/Schema/${out}.h\" -c \"${BUILD}/Schema/${out}.c\""
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echo "${BUILD}/Schema/${out}.c:"
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echo "${TAB}@mkdir -p ${BUILD}/Schema"
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echo "${TAB}j2s -s \"${src}\" -h \"${BUILD}/Schema/${out}.h\" -c \"${BUILD}/Schema/${out}.c\""
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echo "${obj}: ${src} ${BUILD}/Schema/${out}.c"
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echo "${TAB}@mkdir -p ${BUILD}/Schema"
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echo "${TAB}\$(CC) \$(CFLAGS) -fPIC -c -o \"${obj}\" \"${BUILD}/Schema/${out}.c\""
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}
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install_out() {
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@ -185,22 +194,16 @@ uninstall_out() {
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echo "Generating Makefile..."
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OBJS=$(collect ${SRC}/ .c .o ${BUILD}/ print_obj)
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OBJS="$(collect ${SRC}/ .c .o ${BUILD}/ print_obj) $(collect ${SCHEMA}/ .json .o ${BUILD}/Schema/ print_obj)"
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TAB=$(printf '\t')
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# If objects don't include the schema (this is the first configure),
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# then include them manually.
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if ! echo "${OBJS}" | grep "Schema" > /dev/null; then
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OBJS="${OBJS} $(collect ${SCHEMA}/ .json .o ${BUILD}/Schema/ print_obj)"
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fi
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cat << EOF > Makefile
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.POSIX:
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# Generated by '$0' on $(date).
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# This file should generally not be manually edited.
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CC = cc
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CC = ${CC}
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PREFIX = ${PREFIX}
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CFLAGS = ${CFLAGS}
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LDFLAGS = ${LDFLAGS}
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@ -39,12 +39,71 @@ Telodendria that Conduit lacks.
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### Small Dependency Chain
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**TODO:** See #30.
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Conduit's dependency chain is quite large. What this means is that
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Conduit depends on a lot of code that it does not control, making it
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vulnerable to supply chain attacks. A problem with Rust Crates
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is that they are developer-published, so they don't go through any sort
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of auditing process like a Debian package would, for example.
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If any one of the dependencies is
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hijacked or otherwise compromised, then Conduit itself is compromised
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and it is likely that this would go unnoticed for quite a while. While
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one could argue that this is extremely unlikely to happen, sometimes you
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just don't want to take that risk, especially not if you're deploying a
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Matrix homeserver, likely for the purpose of secure, private chat.
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Telodendria doesn't pull in any packages from developer repositories, so
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the risk of supply chain attacks is much lower. It
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only uses its own code and code provided by the operating system it is running
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on, which has been vetted by a large number of developers and can be trusted
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due to the sheer scope of an operating system. A supply chain attack against
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Telodendria would be a supply chain attack against the entire operating system;
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at that point, end users have much bigger problems.
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Minimal dependencies doesn't only mitigate supply chain attacks. It also makes
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maintenance much easier. Telodendria can spend more time writing code than
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Conduit because Conduit developers have to ensure dependencies stay up to date and
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when they inevitably break things, Conduit must pause development to fix those.
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Telodendria doesn't suffer from this problem: because most of the code is developed
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along side of Telodendria, it can remain as stable or become as volatile as the
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developers choose. Additionally, because Telodendria is so low-level, the code on
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which it depends is extremely unlikely to be changed in any significant way,
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since so many other programs depend on that code.
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### Standardized
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**TODO:** See #30.
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Conduit is written in Rust, which has no formal standard. This makes it less than
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ideal for long-lived software projects, because it changes frequently and often
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breaks existing code. Telodendria is written in C, a stable, mature, and standardized
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language that will always compile the same code the same way, making it more
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portable and sustainable for the future because we don't ever have to worry about
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upgrading our toolchain—using standard tools built into most operating systems
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will suffice.
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Because the language in which Telodendria is written never changes, Telodendria can
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continually optimize and improve the code, instead of having to fix breaking changes.
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This ensures that Telodendria's code will last. Rust code becomes obsolete with in a
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few years at best—programs written in Rust last year probably won't compile or run
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properly on the latest Rust toolchain. Telodendria, on the other hand, is written in C89,
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which compiled and ran the same way in 1989 as it does today and will continue to for the
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foreseeable future.
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### Fast Compile Times
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Rust is well-known for taking an extremely long time to compile moderately-sized
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programs. Since a Matrix homeserver is such a large project, the compile times would
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be prohibitively large for rapid development. By writing Telodendria in C, we can take
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advantage of decades worth of compiler optimizations and speed improvements, resulting
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in extremely fast builds.
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### Portable
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**TODO:** See #30.
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One does not typically think of C as more portable than something like Rust, but
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Telodendria is written in such a way that it is. Rust relies on LLVM, which doesn't
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support some strange or exotic architectures in the same way that a specialized C
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compiler for those architectures will. This allows users to run Telodendria on the
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hardware of their choice, even if that hardware is so strange that the modern world
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has totally left it behind.
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Telodendria doesn't just aim at being lightweight and portable, it aims to empower
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people to use common hardware that they already have, even if it is typically thought
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of as underpowered.
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