Telodendria/configure
Jordan Bancino 129802fe94
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Fix ordering of LDFLAGS.
2024-01-13 20:31:49 -05:00

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#!/usr/bin/env sh
#
# Argument Parsing
#
echo "Build Configuration"
echo "-------------------"
BUILD="build"
OUT="out"
SRC="src"
INCLUDE="src/include"
TOOLS="tools/src"
SCHEMA="Schema"
CYTOPLASM="Cytoplasm"
CFLAGS="-O1 -D_DEFAULT_SOURCE -I${INCLUDE} -I${BUILD}"
LIBS="-lm -pthread -lCytoplasm"
# Set default args for all platforms
SCRIPT_ARGS="--prefix=/usr/local --bin-name=telodendria --version=1.7.0-alpha4"
if [ -f "${CYTOPLASM}/configure" ]; then
SCRIPT_ARGS="${SCRIPT_ARGS} --cytoplasm=${CYTOPLASM}"
else
SCRIPT_ARGS="${SCRIPT_ARGS} --cytoplasm=" # No cytoplasm path.
fi
# Set compiler depending on the platform.
case "$(uname)" in
Linux|NetBSD)
# These systems typically use GCC.
SCRIPT_ARGS="${SCRIPT_ARGS} --cc=gcc"
;;
OpenBSD|FreeBSD)
# These systems typically use Clang.
SCRIPT_ARGS="${SCRIPT_ARGS} --cc=clang"
;;
*)
# Use default compiler which is required to be present on
# all POSIX-compliant systems.
SCRIPT_ARGS="${SCRIPT_ARGS} --cc=c99"
;;
esac
# Append any additional args specified by user
SCRIPT_ARGS="${SCRIPT_ARGS} $@"
echo "Processing options..."
echo "Ran with arguments: $SCRIPT_ARGS"
# Process all arguments
for arg in $SCRIPT_ARGS; do
case "$arg" in
--cc=*)
CC=$(echo "$arg" | cut -d '=' -f 2-)
case "${CC}" in
gcc*|clang*)
# "Fancy" compilers that support a plethora of additional flags we
# want to enable if present.
CFLAGS="-Wall -Wextra -Werror -pedantic -std=c99 -O3 ${CFLAGS}"
LDFLAGS="${LDFLAGS} -flto -fdata-sections -ffunction-sections -s -Wl,-gc-sections"
;;
esac
;;
--prefix=*)
PREFIX=$(echo "$arg" | cut -d '=' -f 2-)
;;
--bin-name=*)
BIN_NAME=$(echo "$arg" | cut -d '=' -f 2-)
;;
--version=*)
VERSION=$(echo "$arg" | cut -d '=' -f 2-)
;;
--enable-debug)
DEBUG="-O0 -g"
;;
--disable-debug)
DEBUG=""
;;
--cytoplasm=*)
CYTOPLASM=$(echo "$arg" | cut -d '=' -f 2-)
if [ -n "${CYTOPLASM}" ]; then
if [ ! -f "${CYTOPLASM}/configure" ]; then
echo "Path for Cytoplasm does not appear to actually contain Cytoplasm source:"
echo "${CYTOPLASM}"
exit 1
fi
CFLAGS="${CFLAGS} -I${CYTOPLASM}/include"
LDFLAGS="-L${CYTOPLASM}/out/lib ${LDFLAGS}"
fi
;;
*)
echo "Invalid argument: $arg"
exit 1
;;
esac
done
CFLAGS="${CFLAGS} '-DTELODENDRIA_VERSION=\"${VERSION}\"' ${DEBUG}"
LDFLAGS="${LDFLAGS} ${LIBS}"
#
# Makefile generation
#
collect() {
from="$1"
orig_ext="$2"
new_ext="$3"
prefix="$4"
exec="$5"
find "${from}" -name "*${orig_ext}" -type f | while IFS= read -r src; do
src=$(echo "$src" | sed -e "s|^${from}||g")
obj=$(echo "$src" | sed -e "s|${orig_ext}\$|${new_ext}|g")
obj="${prefix}${obj}"
src="${from}${src}"
"${exec}" "${src}" "${obj}"
done
}
prefix() {
prefix="$1"
shift
for thing in $@; do
printf "${prefix}${thing} "
done
}
cytoplasm_tool() {
tool="$1"
if [ -n "${CYTOPLASM}" ]; then
echo "LD_LIBRARY_PATH=${CYTOPLASM}/out/lib ${CYTOPLASM}/out/bin/$tool"
else
echo "$tool"
fi
}
print_src() {
printf '%s ' "$1"
}
print_obj() {
printf '%s ' "$2"
}
get_deps() {
src="$1"
${CC} -I${INCLUDE} -I${BUILD} $(if [ -n "${CYTOPLASM}" ]; then echo "-I${CYTOPLASM}/include"; fi) -E "$src" \
| grep '^#' \
| awk '{print $3}' \
| cut -d '"' -f 2 \
| sort \
| uniq \
| grep -v '^[/<]' \
| grep -e "^${SRC}/" -e "^${BUILD}/" \
| while IFS= read -r dep; do
printf "%s " "$dep"
done
}
compile_obj() {
src="$1"
obj="$2"
pref="${obj}: $(get_deps ${src})"
echo "$pref $(collect ${SCHEMA}/ .json .h ${BUILD}/Schema/ print_obj)"
echo "${TAB}@mkdir -p $(dirname ${obj})"
echo "${TAB}\$(CC) \$(CFLAGS) -fPIC -c -o \"${obj}\" \"${src}\""
}
compile_bin() {
src="$1"
out="$2"
depObjs=$(prefix ${BUILD}/ CanonicalJson.o Telodendria.o)
echo "${out}: ${src}"
echo "${TAB}@mkdir -p ${OUT}/bin"
echo "${TAB}\$(CC) \$(CFLAGS) -o \"${out}\" \"${src}\" $depObjs \$(LDFLAGS)"
}
compile_doc() {
src="$1"
out="$2"
if echo "${src}" | grep "Schema" > /dev/null; then
return
fi
echo "${out}: ${src}"
echo "${TAB}@mkdir -p ${OUT}/man/man3"
echo "${TAB}$(cytoplasm_tool hdoc) -D \"Os=${BIN_NAME}\" -i \"${src}\" -o \"${out}\""
}
print_doc() {
if echo "${src}" | grep "Schema" > /dev/null; then
return
fi
printf '%s ' "$2"
}
compile_schema() {
src="$1"
out="$2"
obj="${BUILD}/Schema/${out}.o"
echo "${BUILD}/Schema/${out}.h:"
echo "${TAB}@mkdir -p ${BUILD}/Schema"
echo "${TAB}$(cytoplasm_tool j2s) -s \"${src}\" -h \"${BUILD}/Schema/${out}.h\" -c \"${BUILD}/Schema/${out}.c\""
echo "${BUILD}/Schema/${out}.c:"
echo "${TAB}@mkdir -p ${BUILD}/Schema"
echo "${TAB}$(cytoplasm_tool j2s) -s \"${src}\" -h \"${BUILD}/Schema/${out}.h\" -c \"${BUILD}/Schema/${out}.c\""
echo "${obj}: ${src} ${BUILD}/Schema/${out}.c"
echo "${TAB}@mkdir -p ${BUILD}/Schema"
echo "${TAB}\$(CC) \$(CFLAGS) -fPIC -c -o \"${obj}\" \"${BUILD}/Schema/${out}.c\""
}
install_out() {
src="$1"
out="$2"
echo "${TAB}install -D \"$src\" \"$out\""
}
install_man() {
src="${OUT}/man/man3/${BIN_NAME}-$(basename $1 .h).3"
out="$2"
echo "${TAB}install -D \"$src\" \"$out\""
}
uninstall_out() {
src="$1"
out="$2"
echo "${TAB}rm \"$out\""
}
echo "Generating Makefile..."
OBJS="$(collect ${SRC}/ .c .o ${BUILD}/ print_obj) $(collect ${SCHEMA}/ .json .o ${BUILD}/Schema/ print_obj)"
TAB=$(printf '\t')
cat << EOF > Makefile
.POSIX:
# Generated by '$0' on $(date).
# This file should generally not be manually edited.
CC = ${CC}
PREFIX = ${PREFIX}
CFLAGS = ${CFLAGS}
LDFLAGS = ${LDFLAGS}
all: ${BIN_NAME} docs tools
docs: $(collect ${INCLUDE}/ .h .3 ${OUT}/man/man3/${BIN_NAME}- print_doc)
tools: $(collect ${TOOLS}/ .c '' ${OUT}/bin/ print_obj)
format:
${TAB}find . -name '*.c' | while IFS= read -r src; do \\
${TAB} if indent "\$\$src"; then \\
${TAB} rm \$\$(basename "\$\$src").BAK; \\
${TAB} fi \\
${TAB}done
license:
${TAB}find . -name '*.[ch]' | while IFS= read -r src; do \\
${TAB} srcHeader=\$\$(grep -n -m 1 '^ \*/' "\$\$src" | cut -d ':' -f 1); \\
${TAB} head -n\$\$srcHeader \$\$src | \\
${TAB} diff -u -p - "LICENSE.txt" | \\
${TAB} patch "\$\$src" | grep -v "^Hmm"; \\
${TAB}done
${BIN_NAME}: ${OUT}/bin/${BIN_NAME}
install: ${BIN_NAME}
${TAB}install -D ${OUT}/bin/${BIN_NAME} \$(PREFIX)/bin/${BIN_NAME}
uninstall:
${TAB}rm \$(PREFIX)/bin/${BIN_NAME}
clean:
${TAB}rm -r "${BUILD}" "${OUT}"
${OUT}/bin/${BIN_NAME}: ${OBJS}
${TAB}@mkdir -p "${OUT}/bin"
${TAB}\$(CC) -o "${OUT}/bin/${BIN_NAME}" ${OBJS} \$(CFLAGS) \$(LDFLAGS)
$(collect ${SCHEMA}/ .json '' '' compile_schema)
$(collect ${SRC}/ .c .o ${BUILD}/ compile_obj)
$(collect ${TOOLS}/ .c '' ${OUT}/bin/ compile_bin)
$(collect ${INCLUDE}/ .h .3 ${OUT}/man/man3/${BIN_NAME}- compile_doc)
$(
if [ -n "${CYTOPLASM}" ]; then
echo "cytoplasm:"
echo "${TAB}cd ${CYTOPLASM} && ./configure && \$(MAKE)"
fi
)
EOF
echo "Done. Run 'make' to build ${BIN_NAME}."