Cytoplasm/make.sh

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#!/usr/bin/env sh
addprefix() {
prefix="$1"
shift
for thing in "$@"; do
echo "${prefix}${thing}"
done
unset prefix
unset thing
}
: "${NAME:=Cytoplasm}"
: "${LIB_NAME:=$(echo ${NAME} | tr '[A-Z]' '[a-z]')}"
: "${VERSION:=0.3.0}"
: "${CVS_TAG:=${NAME}-$(echo ${VERSION} | sed 's/\./_/g')}"
: "${SRC:=src}"
: "${TOOLS:=tools}"
: "${BUILD:=build}"
: "${OUT:=out}"
: "${STUB:=RtStub}"
: "${LICENSE:=LICENSE.txt}"
: "${CC:=cc}"
: "${AR:=ar}"
: "${DEFINES:=-D_DEFAULT_SOURCE -DLIB_NAME=\"${NAME}\" -DLIB_VERSION=\"${VERSION}\"}"
: "${INCLUDE:=${SRC}/include}"
: "${CFLAGS:=-Wall -Wextra -pedantic -std=c89 -O3 -pipe}"
: "${LD_EXTRA:=-flto -fdata-sections -ffunction-sections -s -Wl,-gc-sections}"
: "${LDFLAGS:=-lm -pthread}"
if [ -n "${TLS_IMPL}" ]; then
case "${TLS_IMPL}" in
"LIBRESSL")
TLS_LIBS="-ltls -lcrypto -lssl"
;;
"OPENSSL")
TLS_LIBS="-lcrypto -lssl"
;;
*)
echo "Unrecognized TLS implementation: ${TLS_IMPL}"
echo "Consult Tls.h for supported implementations."
echo "Note that the TLS_ prefix is omitted in TLS_IMPL."
exit 1
;;
esac
DEFINES="${DEFINES} -DTLS_IMPL=TLS_${TLS_IMPL}"
LDFLAGS="${LDFLAGS} ${TLS_LIBS}"
fi
CFLAGS="${CFLAGS} ${DEFINES} $(addprefix -I$(pwd)/ ${INCLUDE})"
LDFLAGS="${LDFLAGS} ${LD_EXTRA}"
# Check the modificiation time of a file. This is used to do
# incremental builds; we only want to rebuild files that have
# have changed.
mod_time() {
if [ -n "$1" ] && [ -f "$1" ]; then
case "$(uname)" in
Linux | CYGWIN_NT* | Haiku)
stat -c %Y "$1"
;;
*BSD | DragonFly | Minix)
stat -f %m "$1"
;;
*)
# Platform unknown, force rebuilding the whole
# project every time.
echo "0"
;;
esac
else
echo "0"
fi
}
# Substitute shell variables in a stream with their actual value
# in this shell.
setsubst() {
SED="/tmp/sed-$RANDOM.txt"
(
set | while IFS='=' read -r var val; do
val=$(echo "$val" | cut -d "'" -f 2- | rev | cut -d "'" -f 2- | rev)
echo "s|\\\${$var}|$val|g"
done
echo "s|\\\${[a-zA-Z_]*}||g"
echo "s|'''|'|g"
) >"$SED"
sed -f "$SED" $@
rm "$SED"
}
recipe_docs() {
export LD_LIBRARY_PATH="${OUT}/lib"
mkdir -p "${OUT}/man/man3"
for header in $(find ${INCLUDE} -name '*.h'); do
basename=$(basename "$header")
man=$(echo "${OUT}/man/man3/$basename" | sed -e 's/\.h$/\.3/')
if [ $(mod_time "$header") -ge $(mod_time "$man") ]; then
echo "DOC $basename"
if ! "${OUT}/bin/hdoc" -D "Os=${NAME}" -i "$header" -o "$man"; then
rm "$man"
exit 1
fi
fi
done
if which makewhatis 2>&1 > /dev/null; then
makewhatis "${OUT}/man"
fi
}
recipe_build() {
mkdir -p "${BUILD}" ${OUT}/{bin,lib}
cd "${SRC}"
echo "CC = ${CC}"
echo "CFLAGS = ${CFLAGS}"
echo "LDFLAGS = ${LDFLAGS}"
echo
do_rebuild=0
objs=""
for src in $(find . -name '*.c' | cut -d '/' -f 2-); do
obj=$(echo "${BUILD}/$src" | sed -e 's/\.c$/\.o/')
if [ $(basename "$obj" .o) != "${STUB}" ]; then
objs="$objs $obj"
fi
if [ $(mod_time "$src") -ge $(mod_time "../$obj") ]; then
echo "CC $(basename $obj)"
obj_dir=$(dirname "../$obj")
mkdir -p "$obj_dir"
if ! $CC $CFLAGS -fPIC -c -o "../$obj" "$src"; then
exit 1
fi
do_rebuild=1
fi
done
cd ..
if [ $do_rebuild -eq 1 ] || [ ! -f "${OUT}/lib/lib${LIB_NAME}.a" ]; then
echo "AR lib${LIB_NAME}.a"
if ! $AR rcs "${OUT}/lib/lib${LIB_NAME}.a" $objs; then
exit 1
fi
fi
if [ $do_rebuild -eq 1 ] || [ ! -f "${OUT}/lib/lib${LIB_NAME}.so" ]; then
echo "LD lib${LIB_NAME}.so"
if ! $CC -shared -o "${OUT}/lib/lib${LIB_NAME}.so" $objs ${LDFLAGS}; then
exit 1
fi
fi
cp "${BUILD}/${STUB}.o" "${OUT}/lib/${LIB_NAME}.o"
for src in $(find "${TOOLS}" -name '*.c'); do
out=$(basename "$src" .c)
out="${OUT}/bin/$out"
if [ $(mod_time "$src") -ge $(mod_time "$out") ] || [ $do_rebuild -eq 1 ]; then
echo "CC $(basename $out)"
mkdir -p "$(dirname $out)"
if ! $CC $CFLAGS -o "$out" "$src" "${OUT}/lib/${LIB_NAME}.o" "-L${OUT}/lib" "-l${LIB_NAME}" ${LDFLAGS}; then
exit 1
fi
fi
done
recipe_docs
}
recipe_clean() {
rm -r "${BUILD}" "${OUT}"
}
# Update copyright comments in sources and header files.
recipe_license() {
find . -name '*.[ch]' | while IFS= read -r src; do
if [ -t 1 ]; then
printf "LICENSE %s%*c\r" $(basename "$src") "16" " "
fi
srcHeader=$(grep -n -m 1 '^ \*/' "$src" | cut -d ':' -f 1)
head "-n$srcHeader" "$src" |
diff -u -p - "${LICENSE}" |
patch "$src" | grep -v "^Hmm"
done
if [ -t 1 ]; then
printf "%*c\n" "50" " "
fi
}
# Format source code files by running indent(1) on them.
recipe_format() {
find . -name '*.c' | while IFS= read -r src; do
if [ -t 1 ]; then
printf "FMT %s%*c\r" $(basename "$src") "16" " "
fi
if indent "$src"; then
rm $(basename "$src").BAK
fi
done
if [ -t 1 ]; then
printf "%*c\n" "50" " "
fi
}
# Generate a release tarball, checksum and sign it, and push it to
# the web root.
recipe_release() {
# Tag the release at this point in time.
cvs tag "$CVS_TAG"
mkdir -p "${OUT}/release"
cd "${OUT}/release"
# Generate the release tarball.
cvs export "-r$CVS_TAG" "${NAME}"
mv "${NAME}" "${NAME}-v${VERSION}"
tar -czf "${NAME}-v${VERSION}.tar.gz" "${NAME}-v${VERSION}"
rm -r "${NAME}-v${VERSION}"
# Checksum the release tarball.
sha256 "${NAME}-v${VERSION}.tar.gz" > "${NAME}-v${VERSION}.tar.gz.sha256"
# Sign the release tarball.
if [ ! -z "${SIGNIFY_SECRET}" ]; then
signify -S -s "${SIGNIFY_SECRET}" \
-m "${NAME}-v${VERSION}.tar.gz" \
-x "${NAME}-v${VERSION}.tar.gz.sig"
else
echo "Warning: SIGNIFY_SECRET not net."
echo "The built tarball will not be signed."
fi
}
recipe_patch() {
# If the user has not set their MXID, try to deduce one from
# their system.
if [ -z "$MXID" ]; then
MXID="@${USER}:$(hostname)"
fi
# If the user has not set their EDITOR, use a safe default.
# (vi should be available on any POSIX system)
if [ -z "$EDITOR" ]; then
EDITOR=vi
fi
NORMALIZED_MXID=$(echo "$MXID" | sed -e 's/@//g' -e 's/:/-/g')
PATCH_FILE="${NORMALIZED_MXID}_$(date +%s).patch"
# Generate the actual patch file
# Here we write some nice headers, and then do a cvs diff.
(
printf 'From: "%s" <%s>\n' "$DISPLAY_NAME" "$MXID"
echo "Date: $(date)"
echo "Subject: "
echo
cvs -q diff -uNp $PATCHSET | grep -v '^\? '
) >"$PATCH_FILE"
"$EDITOR" "$PATCH_FILE"
echo "$PATCH_FILE"
}
recipe_diff() {
tmp_patch="/tmp/${NAME}-$(date +%s).patch"
cvs -q diff -uNp $PATCHSET >"$tmp_patch"
if [ -z "$PAGER" ]; then
PAGER="less -F"
fi
$PAGER "$tmp_patch"
rm "$tmp_patch"
}
# Execute the user-specified recipes.
for recipe in $@; do
recipe_$recipe
done
# If no recipe was provided, run a build.
if [ -z "$1" ]; then
recipe_build
fi