From 2eb3a5adf2fd55f21dd9dfa20b423883a6afce12 Mon Sep 17 00:00:00 2001 From: Andreas Fankhauser (@tux-six) Date: Tue, 5 Jul 2022 03:20:13 +0200 Subject: Enhance configure script and other cleanup - Get rid of Makefile by using configure script to create it fully - Enhance automation of PROJECT_VERSION - Fold README and doc/INSTALL into one file - Try to be more POSIX-like in scripts - Rename 'package' target to 'dist' - Drop usage of 'bool' - Count dirs also while dry-run - Use dbl quotes in some log msgs --- configure | 133 +++++++++++++++++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 119 insertions(+), 14 deletions(-) (limited to 'configure') diff --git a/configure b/configure index fea5aeb..419e9a8 100755 --- a/configure +++ b/configure @@ -1,16 +1,18 @@ -#!/usr/bin/env sh + set -e +set -o posix # See https://www.gnu.org/prep/standards/html_node/Directory-Variables.html prefix=/usr/local exec_prefix='$(PREFIX)' exec_suffix= bindir='$(EXEC_PREFIX)/bin' +verbose=0 main() { parseArgs "$@" - mangleMakefile + printMakefile > Makefile } @@ -19,10 +21,11 @@ printHelp() { echo "Example usage: $0 --prefix /usr/local" echo '' echo 'Options:' - echo ' --prefix Default "/usr/local"' - echo ' --exec-prefix Default "$(PREFIX)"' - echo ' --exec-suffix Default ' - echo ' --bindir Default "$(EXEC_PREFIX)/bin"' + echo ' --prefix "/usr/local"' + echo ' --exec-prefix "$(PREFIX)"' + echo ' --exec-suffix ""' + echo ' --bindir "$(EXEC_PREFIX)/bin"' + echo ' --verbose 0' echo '' } @@ -31,25 +34,127 @@ parseArgs() { # See: https://stackoverflow.com/a/14203146/4415884 while test $# -gt 0 ; do case $1 in - --help) printHelp; exit 1; ;; + --help) printHelp; exit 1; ;; --prefix) prefix="$2" shift; shift; ;; --exec-prefix) exec_prefix="$2" shift; shift; ;; --exec-suffix) exec_suffix="$2" shift; shift; ;; --bindir) bindir="$2" shift; shift; ;; + --verbose) verbose="$2" shift; shift; ;; *) echo "[ERROR] Unexpected argument: $1"; exit 1 ;; esac done + if test "$verbose" != "0" -a "$verbose" != "1"; then + echo "[ERROR] verbose expected to be 0 or 1. But is: $verbose"; + false; + fi } -mangleMakefile() { - sed -i 's;^PREFIX=.*$;PREFIX='"$prefix"';' Makefile - sed -i 's;^EXEC_PREFIX=.*$;EXEC_PREFIX='"$exec_prefix"';' Makefile - sed -i 's;^EXEC_SUFFIX=.*$;EXEC_SUFFIX='"$exec_suffix"';' Makefile - sed -i 's;^BINDIR=.*$;BINDIR='"$bindir"';' Makefile -} +printMakefile () { + printf '\n' + printf '%s\n' '# This file is generated by configure script. Manual changes may be lost' + printf '%s\n' '# when calling configure again.' + printf '\n' + printf '%s\n' 'CC=gcc' + printf '%s\n' 'TAR=tar' + printf '%s\n' 'MKDIRS=mkdir -p' + printf '%s\n' 'RIMRAF=rm -rf' + printf '%s\n' 'COPYTO=cp -t' + printf '%s\n' "PREFIX=$prefix" + printf '%s\n' "EXEC_PREFIX=$exec_prefix" + printf '%s\n' "EXEC_SUFFIX=$exec_suffix" + printf '%s\n' "BINDIR=$bindir" + # If PROJECT_VERSION set, use it. + # If not, try generate via git describe. + # If fails (eg git not avail), create pseudo version using date. + printf '%s' 'PROJECT_VERSION=$(shell' + printf '%s' ' ret=$$(git describe --tags 2>/dev/null |sed -E "s;^v;;");' + printf '%s' ' if test -z "$$ret"; then ret=$$(date -u +0.0.0-%Y%m%d.%H%M%S); fi;' + printf '%s\n' ' echo "$$ret")' -main "$@" + printf '\n' + printf '%s' 'CFLAGS= --std=c99' + printf '%s' ' -Wall -Wextra -Werror -fmax-errors=3' + printf '%s' ' -Wno-error=unused-function -Wno-error=unused-label' + printf '%s' ' -Wno-error=unused-variable -Wno-error=unused-parameter' + printf '%s' ' -Wno-error=unused-const-variable' + printf '%s' ' -Werror=implicit-fallthrough=1' + printf '%s' ' -Wno-error=unused-but-set-variable' + printf '%s' ' -Wno-unused-function -Wno-unused-parameter' + printf '%s\n' ' -DPROJECT_VERSION=$(PROJECT_VERSION)' + printf '%s\n' '' + printf '%s\n' 'LDFLAGS= -Wl,--no-demangle,--fatal-warnings' + printf '%s\n' '' + printf '%s\n' 'INCDIRS= -Isrc/bulk_ln -Isrc/common' + printf '%s\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 := $(LDFLAGS) -Wl,--gc-sections,--as-needed' + printf '%s\n' 'endif' + + if test "$verbose" = "0"; then + printf '\n' + printf '%s\n' '.SILENT:'; + fi + + printf '\n' + printf '%s\n' 'default: link dist' + + printf '\n' + printf '%s\n' '.PHONY: clean' + printf '%s\n' 'clean:' + printf '%s\n' ' echo $(RIMRAF) build dist' + printf '%s\n' ' $(RIMRAF) build dist' + + printf '\n' + printf '%s\n' '.PHONY: link' + printf '%s\n' 'link: build/bin/bulk-ln$(EXEC_SUFFIX)' + + printf '\n' + printf '%s\n' 'build/obj/%.o: src/%.c' + printf '%s\n' ' echo " CC $@"' + printf '%s\n' ' $(MKDIRS) "$(shell T=$@; echo $${T%/*})"' + printf '%s\n' ' $(CC) -c -o $@ $^ $(CFLAGS) $(INCDIRS)' + printf '\n' + printf '%s' 'build/bin/bulk-ln$(EXEC_SUFFIX):' + # dependencies + printf '%s' ' build/obj/bulk_ln/bulk_ln.o' + printf '%s' ' build/obj/bulk_ln/bulk_ln_main.o' + printf '\n' # commands + printf '%s\n' ' echo " LN $@"' + printf '%s\n' ' $(MKDIRS) "$(shell T=$@; echo $${T%/*})"' + printf '%s\n' ' $(CC) -o $@ $(LDFLAGS) $^ $(LIBSDIR)' + 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 && $(COPYTO) build/dist-bin \' + printf '%s\n' ' README.txt' + printf '%s\n' ' $(MKDIRS) build/dist-bin/bin && $(COPYTO) build/dist-bin/bin \' + printf '%s\n' ' build/bin/*' + + printf '%s\n' ' (cd build/dist-bin && find . -type f -not -name MD5SUM -exec md5sum -b {} +) > build/dist-bin/MD5SUM' + + printf '%s\n' ' (cd build/dist-bin && $(TAR) --owner=0 --group=0 -czf "../../dist/BulkLn-$(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 "$(shell ls dist/BulkLn-*.tgz)" -- bin' +} + + +main "$@" -- cgit v1.1