set -e if test -n "$BASH_VERSION"; then set -o posix; fi # See https://www.gnu.org/prep/standards/html_node/Directory-Variables.html prefix=/usr/local exec_prefix='$(PREFIX)' bindir='$(EXEC_PREFIX)/bin' verbose=0 main () { parseArgs "$@" printMakefile > Makefile } printHelp () { echo '' echo "Example usage: $0 --prefix /usr/local" echo '' echo 'Options:' echo ' --prefix Default "/usr/local"' echo ' --bindir Default "$(EXEC_PREFIX)/bin"' echo '' } parseArgs () { # See: https://stackoverflow.com/a/14203146/4415884 while test $# -gt 0 ; do case $1 in --help) printHelp; exit 1; ;; --prefix) prefix="$2" shift; shift; ;; --exec_prefix) exec_prefix="$2" shift; shift; ;; --bindir) bindir="$2" shift; shift; ;; --verbose) verbose="$2" shift; shift; ;; *) echo "[ERROR] Unexpected argument: $1"; exit 1 ;; esac done } printMakefile () { printf '\n' printf '%s\n' 'CC=gcc' printf '%s\n' 'RIMRAF=rm -rf' printf '%s\n' 'MKDIRS=mkdir -p' printf '%s\n' 'COPYTO=cp -t' printf '%s\n' 'NDEBUG=1' printf '\n' printf '%s\n' "PREFIX=$prefix" printf '%s\n' "EXEC_PREFIX=$exec_prefix" printf '%s\n' "BINDIR=$bindir" printf '\n' printf '%s' 'PROJECT_VERSION=$(shell' printf '%s' ' ret=$$(git describe --tags 2>/dev/null |sed -E "s;^v;;");' printf '%s' ' if test -n "$$ret" -a -n "$$(git status --porcelain 2>/dev/null)"; then' printf '%s' ' ret="$$ret+dirt.$$($(CC) -dumpmachine)";' printf '%s' ' fi;' printf '%s' ' if test -z "$$ret"; then ret=$$(date -u +0.0.0-%Y%m%d.%H%M%S)"+$$($(CC) -dumpmachine)"; fi;' printf '%s\n' ' echo "$$ret")' if test "$verbose" = "0"; then printf '\n%s\n' '.SILENT:'; fi printf '%s\n' '.SUFFIXES:' printf '\n' printf '%s' 'CFLAGS=--std=c99 -fPIC -Wall -Wextra -Werror -fmax-errors=3' printf '%s' ' -Wno-error=unused-function -Wno-error=unused-label -Wno-error=unused-variable' printf '%s' ' -Wno-error=unused-parameter -Wno-error=unused-const-variable' printf '%s' ' -Wno-error=unused-but-set-variable' printf '%s' ' -Wno-error=discarded-qualifiers -Wno-error=sign-compare -Wno-error=pointer-sign' printf '%s' ' -Wno-error=maybe-uninitialized -Werror=implicit-fallthrough=1' printf '%s' ' -Wno-unused-function -Wno-unused-parameter -Wno-missing-field-initializers' printf '%s\n' ' -DPROJECT_VERSION=$(PROJECT_VERSION)' printf '\n' printf '%s\n' 'LDFLAGS=-Wl,--no-demangle,--fatal-warnings' # TODO replace gnumake by $(shell if ..) printf '\n' printf '%s\n' 'ifndef NDEBUG' printf '%s\n' ' CFLAGS := $(CFLAGS) -ggdb -O0 -g3' printf '%s\n' 'else' printf '%s\n' ' CFLAGS := $(CFLAGS) -ffunction-sections -fdata-sections -Os "-DNDEBUG=1"' printf '%s\n' ' LDFLAGS := $(LDFLAGS) -Wl,--gc-sections,--as-needed' printf '%s\n' 'endif' printf '\n' printf '%s\n' 'INCDIRS=-Isrc/main/c' printf '%s\n' 'LIBSDIR=' printf '\n' printf '%s\n' '.PHONY: default' printf '%s\n' 'default: link dist' printf '\n' printf '%s\n' '.PHONY: link' printf '%s' 'link:' printf '%s' ' build/bin/deflate$(BINEXT)' printf '%s\n' ' build/bin/inflate$(BINEXT)' printf '%s\n' '.PHONY: clean' printf '%s\n' 'clean:' printf '%s\n' ' echo "rm -rf build dist"' printf '%s\n' ' rm -rf build dist' # Create synthetic entrypoints printf '%s\n' 'build/link/%.c:' printf '%s\n' ' echo " Gen $@"' printf '%s\n' ' $(MKDIRS) "$(shell T=$@; echo $${T%/*})"' printf '%s\n' ' @echo "#include \"commonbase.h\"" >> $@' printf '%s\n' ' @echo "int main( int err, char**argv ){" >> $@' printf '%s\n' ' @echo " err = $*(err, argv);" >> $@' printf '%s\n' ' @echo " if( err < 0 ){ err = 0 - err; }" >> $@' printf '%s\n' ' @echo " return (err > 127) ? 1 : err;" >> $@' printf '%s\n' ' @echo "}" >> $@' printf '%s\n' 'build/link/%.o: build/link/%.c' printf '%s\n' ' echo " CC $@"' printf '%s\n' ' $(MKDIRS) "$(shell T=$@; echo $${T%/*})"' printf '%s\n' ' $(CC) -c -o $@ $(CFLAGS) -Wno-implicit-function-declaration build/link/$*.c $(INCDIRS)' printf '\n' printf '%s\n' 'build/obj/main/%.o: src/main/c/%.c' printf '%s\n' ' echo " CC $@"' printf '%s\n' ' $(MKDIRS) "$(shell T=$@; echo $${T%/*})"' printf '%s\n' ' $(CC) -c -o $@ $^ $(CFLAGS) $(INCDIRS)' printf '%s' 'build/bin/deflate$(BINEXT):' printf '%s' ' build/obj/main/deflate.o' printf '%s' ' build/obj/main/zzKludge.o' printf '%s\n' ' build/link/deflate_main.o' printf '%s\n' ' @echo " LN $@"' printf '%s\n' ' $(MKDIRS) "$(shell T=$@; echo $${T%/*})"' printf '%s\n' ' $(CC) -o $@ $(LDFLAGS) $^ $(INCDIRS) $(LIBSDIR) -Wl,-Bdynamic -lz' printf '%s' 'build/bin/inflate$(BINEXT):' printf '%s' ' build/obj/main/inflate.o' printf '%s' ' build/obj/main/zzKludge.o' printf '%s\n' ' build/link/inflate_main.o' printf '%s\n' ' echo " LN $@"' printf '%s\n' ' $(MKDIRS) "$(shell T=$@; echo $${T%/*})"' printf '%s\n' ' $(CC) -o $@ $(LDFLAGS) $^ $(INCDIRS) $(LIBSDIR) -Wl,-Bdynamic -lz' printf '\n' printf '%s\n' '.PHONY: dist' printf '%s\n' 'dist: link' printf '%s\n' ' echo " Package"' printf '%s\n' ' $(RIMRAF) build/dist-* dist' printf '%s\n' ' $(MKDIRS) dist' # Create Executable bundle. printf '%s\n' ' $(MKDIRS) build/dist-bin' printf '%s\n' ' $(COPYTO) build/dist-bin README* LICENSE*' printf '%s\n' ' $(MKDIRS) build/dist-bin/bin' printf '%s\n' ' $(COPYTO) build/dist-bin/bin build/bin/*' printf '%s' ' (cd build/dist-bin && find . -type f -not -name MD5SUM -exec md5sum -b {} +)' printf '%s\n' ' > build/dist-bin/MD5SUM' printf '%s' ' (cd build/dist-bin && tar --owner=0 --group=0' printf '%s\n' ' -czf "../../dist/DeflateAndInflate-$(PROJECT_VERSION).tgz" *)' printf '%s\n' ' echo "" && echo "See '\''./dist/'\'' for result." && echo ""' printf '%s' ' if test -n "$$(git status --porcelain 2>/dev/null)"; then' printf '%s' ' echo "[WARN ] Worktree dirty!"; sleep 2;' printf '%s\n' ' fi' printf '\n' printf '%s\n' '.PHONY: install' printf '%s\n' 'install:' printf '%s\n' ' $(MKDIRS) "$(BINDIR)"' printf '%s\n' ' tar --strip-components=1 -C "$(BINDIR)" -xzf "$(shell ls dist/DeflateAndInflate-*.tgz)" -- bin' } main "$@"