317 lines
7.6 KiB
Bash
Executable File
317 lines
7.6 KiB
Bash
Executable File
#!/usr/bin/env sh
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#
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# Argument Parsing
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#
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echo "Build Configuration"
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echo "-------------------"
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BUILD="build"
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OUT="out"
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SRC="src"
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INCLUDE="src/include"
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TOOLS="tools/src"
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SCHEMA="Schema"
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CYTOPLASM="Cytoplasm"
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CFLAGS="-O1 -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 --bin-name=telodendria --version=1.7.0-alpha4"
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if [ -f "${CYTOPLASM}/configure" ]; then
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SCRIPT_ARGS="${SCRIPT_ARGS} --cytoplasm=${CYTOPLASM}"
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else
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SCRIPT_ARGS="${SCRIPT_ARGS} --cytoplasm=" # No cytoplasm path.
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fi
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# Set compiler depending on the platform.
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case "$(uname)" in
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Linux|NetBSD)
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# These systems typically use GCC.
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SCRIPT_ARGS="${SCRIPT_ARGS} --cc=gcc"
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;;
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OpenBSD|FreeBSD)
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# These systems typically use Clang.
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SCRIPT_ARGS="${SCRIPT_ARGS} --cc=clang"
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;;
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*)
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# Use default compiler which is required to be present on
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# all POSIX-compliant systems.
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SCRIPT_ARGS="${SCRIPT_ARGS} --cc=c99"
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;;
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esac
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# Append any additional args specified by user
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SCRIPT_ARGS="${SCRIPT_ARGS} $@"
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echo "Processing options..."
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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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case "${CC}" in
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gcc*|clang*)
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# "Fancy" compilers that support a plethora of additional flags we
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# want to enable if present.
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CFLAGS="-Wall -Wextra -Werror -pedantic -std=c99 -O3 ${CFLAGS}"
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LDFLAGS="${LDFLAGS} -flto -fdata-sections -ffunction-sections -s -Wl,-gc-sections"
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;;
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esac
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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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--bin-name=*)
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BIN_NAME=$(echo "$arg" | cut -d '=' -f 2-)
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;;
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--version=*)
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VERSION=$(echo "$arg" | cut -d '=' -f 2-)
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;;
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--enable-debug)
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DEBUG="-O0 -g"
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;;
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--disable-debug)
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DEBUG=""
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;;
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--cytoplasm=*)
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CYTOPLASM=$(echo "$arg" | cut -d '=' -f 2-)
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if [ -n "${CYTOPLASM}" ]; then
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if [ ! -f "${CYTOPLASM}/configure" ]; then
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echo "Path for Cytoplasm does not appear to actually contain Cytoplasm source:"
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echo "${CYTOPLASM}"
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exit 1
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fi
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CFLAGS="${CFLAGS} -I${CYTOPLASM}/include"
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LDFLAGS="-L${CYTOPLASM}/out/lib ${LDFLAGS}"
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fi
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;;
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*)
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echo "Invalid argument: $arg"
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exit 1
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;;
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esac
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done
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CFLAGS="${CFLAGS} '-DTELODENDRIA_VERSION=\"${VERSION}\"' ${DEBUG}"
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LDFLAGS="${LDFLAGS} ${LIBS}"
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#
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# Makefile generation
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#
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collect() {
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from="$1"
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orig_ext="$2"
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new_ext="$3"
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prefix="$4"
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exec="$5"
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find "${from}" -name "*${orig_ext}" -type f | while IFS= read -r src; do
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src=$(echo "$src" | sed -e "s|^${from}||g")
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obj=$(echo "$src" | sed -e "s|${orig_ext}\$|${new_ext}|g")
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obj="${prefix}${obj}"
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src="${from}${src}"
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"${exec}" "${src}" "${obj}"
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done
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}
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prefix() {
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prefix="$1"
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shift
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for thing in $@; do
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printf "${prefix}${thing} "
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done
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}
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cytoplasm_tool() {
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tool="$1"
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if [ -n "${CYTOPLASM}" ]; then
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echo "LD_LIBRARY_PATH=${CYTOPLASM}/out/lib ${CYTOPLASM}/out/bin/$tool"
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else
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echo "$tool"
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fi
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}
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print_src() {
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printf '%s ' "$1"
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}
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print_obj() {
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printf '%s ' "$2"
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}
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get_deps() {
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src="$1"
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${CC} -I${INCLUDE} -I${BUILD} $(if [ -n "${CYTOPLASM}" ]; then echo "-I${CYTOPLASM}/include"; fi) -E "$src" \
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| grep '^#' \
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| awk '{print $3}' \
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| cut -d '"' -f 2 \
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| sort \
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| uniq \
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| grep -v '^[/<]' \
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| grep -e "^${SRC}/" -e "^${BUILD}/" \
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| while IFS= read -r dep; do
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printf "%s " "$dep"
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done
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}
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compile_obj() {
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src="$1"
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obj="$2"
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pref="${obj}: $(get_deps ${src})"
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echo "$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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compile_bin() {
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src="$1"
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out="$2"
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depObjs=$(prefix ${BUILD}/ CanonicalJson.o Telodendria.o)
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echo "${out}: ${src}"
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echo "${TAB}@mkdir -p ${OUT}/bin"
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echo "${TAB}\$(CC) \$(CFLAGS) -o \"${out}\" \"${src}\" $depObjs \$(LDFLAGS)"
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}
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compile_doc() {
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src="$1"
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out="$2"
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if echo "${src}" | grep "Schema" > /dev/null; then
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return
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fi
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echo "${out}: ${src}"
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echo "${TAB}@mkdir -p ${OUT}/man/man3"
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echo "${TAB}$(cytoplasm_tool hdoc) -D \"Os=${BIN_NAME}\" -i \"${src}\" -o \"${out}\""
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}
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print_doc() {
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if echo "${src}" | grep "Schema" > /dev/null; then
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return
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fi
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printf '%s ' "$2"
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}
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compile_schema() {
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src="$1"
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out="$2"
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obj="${BUILD}/Schema/${out}.o"
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echo "${BUILD}/Schema/${out}.h:"
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echo "${TAB}@mkdir -p ${BUILD}/Schema"
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echo "${TAB}$(cytoplasm_tool j2s) -s \"${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}$(cytoplasm_tool j2s) -s \"${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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src="$1"
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out="$2"
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echo "${TAB}install -D \"$src\" \"$out\""
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}
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install_man() {
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src="${OUT}/man/man3/${BIN_NAME}-$(basename $1 .h).3"
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out="$2"
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echo "${TAB}install -D \"$src\" \"$out\""
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}
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uninstall_out() {
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src="$1"
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out="$2"
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echo "${TAB}rm \"$out\""
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}
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echo "Generating Makefile..."
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OBJS="$(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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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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PREFIX = ${PREFIX}
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CFLAGS = ${CFLAGS}
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LDFLAGS = ${LDFLAGS}
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all: ${BIN_NAME} docs tools
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docs: $(collect ${INCLUDE}/ .h .3 ${OUT}/man/man3/${BIN_NAME}- print_doc)
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tools: $(collect ${TOOLS}/ .c '' ${OUT}/bin/ print_obj)
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format:
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${TAB}find . -name '*.c' | while IFS= read -r src; do \\
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${TAB} if indent "\$\$src"; then \\
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${TAB} rm \$\$(basename "\$\$src").BAK; \\
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${TAB} fi \\
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${TAB}done
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license:
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${TAB}find . -name '*.[ch]' | while IFS= read -r src; do \\
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${TAB} srcHeader=\$\$(grep -n -m 1 '^ \*/' "\$\$src" | cut -d ':' -f 1); \\
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${TAB} head -n\$\$srcHeader \$\$src | \\
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${TAB} diff -u -p - "LICENSE.txt" | \\
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${TAB} patch "\$\$src" | grep -v "^Hmm"; \\
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${TAB}done
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${BIN_NAME}: ${OUT}/bin/${BIN_NAME}
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install: ${BIN_NAME}
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${TAB}install -D ${OUT}/bin/${BIN_NAME} \$(PREFIX)/bin/${BIN_NAME}
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uninstall:
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${TAB}rm \$(PREFIX)/bin/${BIN_NAME}
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clean:
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${TAB}rm -r "${BUILD}" "${OUT}"
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${OUT}/bin/${BIN_NAME}: ${OBJS}
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${TAB}@mkdir -p "${OUT}/bin"
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${TAB}\$(CC) -o "${OUT}/bin/${BIN_NAME}" ${OBJS} \$(CFLAGS) \$(LDFLAGS)
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$(collect ${SCHEMA}/ .json '' '' compile_schema)
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$(collect ${SRC}/ .c .o ${BUILD}/ compile_obj)
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$(collect ${TOOLS}/ .c '' ${OUT}/bin/ compile_bin)
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$(collect ${INCLUDE}/ .h .3 ${OUT}/man/man3/${BIN_NAME}- compile_doc)
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$(
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if [ -n "${CYTOPLASM}" ]; then
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echo "cytoplasm:"
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echo "${TAB}cd ${CYTOPLASM} && ./configure && \$(MAKE)"
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fi
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)
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EOF
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echo "Done. Run 'make' to build ${BIN_NAME}."
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