build: Switch to autotools

.gitignore

@@ -1,6 +1,19 @@
 ChangeLog
 *.pc
+*.la
 *.lo
 *.o
 *.so*
 *.a
+.deps/
+.libs/
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache/
+build-aux/
+configure
+config.*
+libtool
+m4/
+stamp-h1

Makefile

@@ -1,237 +0,0 @@
-VERSION := $(shell ./get-version)
-
-LIB_NAME := libbsd
-LIB_VERSION_MAJOR := 0
-LIB_VERSION_MINOR := 3
-LIB_VERSION_MICRO := 0
-LIB_VERSION := $(LIB_VERSION_MAJOR).$(LIB_VERSION_MINOR).$(LIB_VERSION_MICRO)
-
-LIB_PKGCONFIG := src/$(LIB_NAME).pc
-LIB_PKGCONFIG_OVERLAY := src/$(LIB_NAME)-overlay.pc
-LIB_STATIC := $(LIB_NAME).a
-LIB_SHARED_SO := $(LIB_NAME).so
-LIB_SONAME := $(LIB_SHARED_SO).$(LIB_VERSION_MAJOR)
-LIB_SHARED := $(LIB_SONAME).$(LIB_VERSION_MINOR).$(LIB_VERSION_MICRO)
-
-TAR_NAME := $(LIB_NAME)-$(VERSION)
-TAR_FILE := $(TAR_NAME).tar.gz
-
-LIB_DIST := \
-	ChangeLog
-
-LIB_SRCS_GEN := \
-	hash/md5hl.c
-LIB_SRCS := \
-	arc4random.c \
-	bsd_getopt.c \
-	err.c \
-	fgetln.c \
-	flopen.c \
-	fpurge.c \
-	getpeereid.c \
-	heapsort.c \
-	merge.c \
-	humanize_number.c \
-	dehumanize_number.c \
-	inet_net_pton.c \
-	hash/md5.c \
-	pidfile.c \
-	readpassphrase.c \
-	reallocf.c \
-	setmode.c \
-	setproctitle.c \
-	strmode.c \
-	strtonum.c \
-	strlcat.c strlcpy.c \
-	fmtcheck.c \
-	nlist.c \
-	progname.c \
-	radixsort.c \
-	vis.c unvis.c \
-	$(LIB_SRCS_GEN)
-LIB_SRCS_GEN := $(patsubst %,src/%,$(LIB_SRCS_GEN))
-LIB_SRCS := $(patsubst %,src/%,$(LIB_SRCS))
-
-LIB_INCLUDES := \
-	bsd/cdefs.h \
-	bsd/queue.h \
-	bsd/ip_icmp.h \
-	bsd/sys/cdefs.h \
-	bsd/sys/bitstring.h \
-	bsd/sys/endian.h \
-	bsd/sys/poll.h \
-	bsd/sys/queue.h \
-	bsd/sys/tree.h \
-	bsd/netinet/ip_icmp.h \
-	bsd/err.h \
-	bsd/getopt.h \
-	bsd/inet.h \
-	bsd/random.h \
-	bsd/md5.h \
-	bsd/string.h \
-	bsd/bsd.h \
-	bsd/stdio.h \
-	bsd/stdlib.h \
-	bsd/readpassphrase.h \
-	bsd/unistd.h \
-	bsd/nlist.h \
-	bsd/vis.h \
-	bsd/libutil.h \
-	nlist.h \
-	vis.h \
-	libutil.h
-
-LIB_MANS_GEN := \
-	md5.3bsd
-LIB_MANS := \
-	arc4random.3 \
-	arc4random_addrandom.3 \
-	arc4random_buf.3 \
-	arc4random_stir.3 \
-	arc4random_uniform.3 \
-	dehumanize_number.3 \
-	strtonum.3 \
-	strlcpy.3 \
-	strlcat.3 \
-	fgetln.3 \
-	flopen.3 \
-	getpeereid.3 \
-	readpassphrase.3 \
-	reallocf.3 \
-	heapsort.3 \
-	humanize_number.3 \
-	fmtcheck.3 \
-	mergesort.3 \
-	radixsort.3 \
-	sradixsort.3 \
-	nlist.3 \
-	pidfile.3 \
-	setmode.3 \
-	getmode.3 \
-	strmode.3 \
-	unvis.3 \
-	vis.3 \
-	$(LIB_MANS_GEN)
-LIB_MANS_GEN := $(patsubst %,man/%,$(LIB_MANS_GEN))
-LIB_MANS := $(patsubst %,man/%,$(LIB_MANS))
-
-LIB_STATIC_OBJS := $(LIB_SRCS:%.c=%.o)
-LIB_SHARED_OBJS := $(LIB_SRCS:%.c=%.lo)
-
-AR = ar
-CC = gcc
-CCLD = $(CC)
-
-# Set default values for user variables
-CPPFLAGS ?=
-CFLAGS ?= -g -Wall -Wextra -Wno-unused-variable
-LDFLAGS ?=
-
-# Internal makefile variables
-MK_CPPFLAGS := -isystem include/bsd/ \
-	-DLIBBSD_OVERLAY -DLIBBSD_DISABLE_DEPRECATED \
-	-D_GNU_SOURCE -D__REENTRANT
-MK_CFLAGS :=
-MK_LDFLAGS :=
-
-COMPILE = $(CC) $(MK_CPPFLAGS) $(CPPFLAGS) $(MK_CFLAGS) $(CFLAGS)
-LINK = $(CCLD) $(MK_CFLAGS) $(CFLAGS) $(MK_LDFLAGS) $(LDFLAGS)
-
-prefix		= /usr
-exec_prefix	=
-libdir		= ${exec_prefix}/lib
-usrlibdir	= ${prefix}/lib
-includedir	= ${prefix}/include
-pkgconfigdir	= ${usrlibdir}/pkgconfig
-mandir		= ${prefix}/share/man
-
-.PHONY: libs
-libs: $(LIB_STATIC) $(LIB_SHARED_SO) $(LIB_PKGCONFIG) $(LIB_PKGCONFIG_OVERLAY)
-
-.PHONY: man
-man: $(LIB_MANS)
-
-%.lo: %.c
-	$(COMPILE) -o $@ -DPIC -fPIC -c $<
-
-%.o: %.c
-	$(COMPILE) -o $@ -c $<
-
-man/md5.3bsd: man/mdX.3
-	sed -e 's/mdX/md5/g' -e 's/mdY/md4/g' -e 's/MDX/MD5/g' $< > $@
-
-src/hash/md5hl.c: src/hash/helper.c
-	sed -e 's:hashinc:bsd/md5.h:g' -e 's:HASH:MD5:g' $< > $@
-
-%.pc: %.pc.in
-	sed -e 's:@VERSION@:$(VERSION):' \
-	    -e 's:@prefix@:$(value prefix):' \
-	    -e 's:@exec_prefix@:$(value exec_prefix):' \
-	    -e 's:@libdir@:$(value usrlibdir):' \
-	    -e 's:@includedir@:$(value includedir):' \
-	    $< > $@
-
-$(LIB_STATIC): $(LIB_STATIC_OBJS)
-	$(AR) rcs $@ $^
-
-$(LIB_SHARED_SO): $(LIB_SONAME)
-	ln -fs $^ $@
-
-$(LIB_SONAME): $(LIB_SHARED)
-	ln -fs $^ $@
-
-$(LIB_SHARED): $(LIB_SHARED_OBJS)
-	$(LINK) \
-	  -shared \
-	  -Wl,-soname -Wl,$(LIB_SONAME) \
-	  -Wl,--version-script=src/libbsd.map \
-	  -o $@ $^
-
-.PHONY: ChangeLog
-ChangeLog:
-	-git log --stat -C >$@
-
-.PHONY: dist
-dist: $(LIB_DIST)
-	mkdir $(TAR_NAME)
-	echo $(VERSION) >$(TAR_NAME)/.dist-version
-	cp -a --parents $(LIB_DIST) `git ls-files` $(TAR_NAME)
-	tar czf $(TAR_FILE) --exclude=.gitignore $(TAR_NAME)
-	rm -rf $(TAR_NAME)
-	gpg -a -b $(TAR_FILE)
-
-.PHONY: install
-install: libs man
-	mkdir -p $(DESTDIR)$(libdir)
-	mkdir -p $(DESTDIR)$(usrlibdir)
-	mkdir -p $(DESTDIR)$(includedir)/bsd/
-	mkdir -p $(DESTDIR)$(includedir)/bsd/sys/
-	mkdir -p $(DESTDIR)$(includedir)/bsd/netinet/
-	mkdir -p $(DESTDIR)$(mandir)/man3
-	mkdir -p $(DESTDIR)$(pkgconfigdir)
-	install -m644 $(LIB_STATIC) $(DESTDIR)$(usrlibdir)
-	install -m755 $(LIB_SHARED) $(DESTDIR)$(libdir)
-	for i in $(LIB_INCLUDES); do \
-	  install -m644 include/$$i $(DESTDIR)$(includedir)/$$i; \
-	done
-	install -m644 $(LIB_MANS) $(DESTDIR)$(mandir)/man3
-	install -m644 $(LIB_PKGCONFIG) $(DESTDIR)$(pkgconfigdir)
-	install -m644 $(LIB_PKGCONFIG_OVERLAY) $(DESTDIR)$(pkgconfigdir)
-ifeq ($(libdir),$(usrlibdir))
-	# If both dirs are the same, do a relative symlink.
-	ln -sf $(LIB_SHARED) $(DESTDIR)$(usrlibdir)/$(LIB_SHARED_SO)
-else
-	# Otherwise, do an absolute one.
-	ln -sf $(libdir)/$(LIB_SHARED) $(DESTDIR)$(usrlibdir)/$(LIB_SHARED_SO)
-endif
-	ln -sf $(LIB_SHARED) $(DESTDIR)$(libdir)/$(LIB_SONAME)
-
-.PHONY: clean
-clean:
-	rm -f $(LIB_PKGCONFIG)
-	rm -f $(LIB_PKGCONFIG_OVERLAY)
-	rm -f $(LIB_SRCS_GEN) $(LIB_MANS_GEN)
-	rm -f $(LIB_STATIC_OBJS)
-	rm -f $(LIB_STATIC)
-	rm -f $(LIB_SHARED_OBJS)
-	rm -f $(LIB_SHARED) $(LIB_SONAME) $(LIB_SHARED_SO)

Makefile.am

@@ -0,0 +1,19 @@
+## Process this file with automake to produce Makefile.in
+
+SUBDIRS = include man src
+
+ACLOCAL_AMFLAGS = -I m4
+
+EXTRA_DIST = \
+	autogen \
+	get-version \
+	$(nil)
+
+DISTCLEANFILES = ChangeLog
+.PHONY: ChangeLog
+
+ChangeLog:
+	git log --stat -C >$@
+
+dist-hook:
+	echo $(VERSION) >$(distdir)/.dist-version

autogen

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+mkdir -p m4
+autoreconf -f -i
+rm -rf autom4te.cache

configure.ac

@@ -0,0 +1,50 @@
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ([2.67])
+AC_INIT([libbsd], m4_esyscmd([./get-version]), [libbsd@lists.freedesktop.org])
+AC_CONFIG_SRCDIR([src/fgetln.c])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([m4])
+
+AM_INIT_AUTOMAKE([1.8 foreign nostdinc])
+
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
+                            [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])
+
+# Checks for operating system services and capabilities.
+AC_USE_SYSTEM_EXTENSIONS
+AC_SYS_LARGEFILE
+
+LT_INIT
+
+# Checks for programs.
+AC_PROG_CC
+AC_PROG_INSTALL
+AC_PROG_LN_S
+
+# Checks for libraries.
+
+# Checks for header files.
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_TYPE_UID_T
+AC_C_INLINE
+AC_TYPE_INT64_T
+AC_TYPE_MODE_T
+AC_TYPE_OFF_T
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+
+# Checks for library functions.
+
+AC_CONFIG_FILES([
+	Makefile
+	include/Makefile
+	man/Makefile
+	src/Makefile
+	src/libbsd.pc
+	src/libbsd-overlay.pc
+])
+AC_CONFIG_HEADERS([config.h])
+AC_OUTPUT

get-version

@@ -44,4 +44,5 @@ else
   exit 1
 fi
 
-echo "$version"
+# Use printf to avoid the trailing new line that m4_esyscmd would not handle.
+printf "$version"

include/Makefile.am

@@ -0,0 +1,31 @@
+## Process this file with automake to produce Makefile.in
+
+nobase_include_HEADERS = \
+	bsd/sys/bitstring.h \
+	bsd/sys/cdefs.h \
+	bsd/sys/endian.h \
+	bsd/sys/poll.h \
+	bsd/sys/queue.h \
+	bsd/sys/tree.h \
+	bsd/netinet/ip_icmp.h \
+	bsd/bsd.h \
+	bsd/cdefs.h \
+	bsd/err.h \
+	bsd/getopt.h \
+	bsd/inet.h \
+	bsd/ip_icmp.h \
+	bsd/libutil.h \
+	bsd/md5.h \
+	bsd/nlist.h \
+	bsd/queue.h \
+	bsd/random.h \
+	bsd/readpassphrase.h \
+	bsd/stdio.h \
+	bsd/stdlib.h \
+	bsd/string.h \
+	bsd/unistd.h \
+	bsd/vis.h \
+	libutil.h \
+	nlist.h \
+	vis.h \
+	$(nil)

man/Makefile.am

@@ -0,0 +1,45 @@
+## Process this file with automake to produce Makefile.in
+
+EXTRA_DIST = \
+	mdX.3 \
+	$(nil)
+
+CLEANFILES = \
+	md5.3bsd \
+	$(nil)
+
+SED_MD5_SUBST = -e 's/mdX/md5/g' -e 's/mdY/md4/g' -e 's/MDX/MD5/g'
+
+md5.3bsd: $(srcdir)/mdX.3
+	$(AM_V_GEN) sed $(SED_MD5_SUBST) $< > $@
+
+dist_man_MANS = \
+	arc4random.3 \
+	arc4random_addrandom.3 \
+	arc4random_buf.3 \
+	arc4random_stir.3 \
+	arc4random_uniform.3 \
+	dehumanize_number.3 \
+	fgetln.3 \
+	flopen.3 \
+	fmtcheck.3 \
+	getmode.3 \
+	getpeereid.3 \
+	heapsort.3 \
+	humanize_number.3 \
+	md5.3bsd \
+	mergesort.3 \
+	nlist.3 \
+	pidfile.3 \
+	radixsort.3 \
+	readpassphrase.3 \
+	reallocf.3 \
+	setmode.3 \
+	sradixsort.3 \
+	strlcat.3 \
+	strlcpy.3 \
+	strmode.3 \
+	strtonum.3 \
+	unvis.3 \
+	vis.3 \
+	$(nil)

src/Makefile.am

@@ -0,0 +1,85 @@
+## Process this file with automake to produce Makefile.in
+
+# Set default values for user variables
+CFLAGS = -Wall -Wextra -Wno-unused-variable
+
+AM_CPPFLAGS = \
+	-I$(top_builddir) \
+	-isystem $(top_srcdir)/include/bsd/ \
+	-DLIBBSD_OVERLAY -DLIBBSD_DISABLE_DEPRECATED \
+	-D_GNU_SOURCE -D__REENTRANT
+
+EXTRA_DIST = \
+	libbsd.map \
+	libbsd.pc.in \
+	libbsd-overlay.pc.in \
+	hash/helper.c \
+	$(nil)
+
+CLEANFILES = \
+	hash/md5hl.c \
+	$(nil)
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = \
+	libbsd.pc \
+	libbsd-overlay.pc \
+	$(nil)
+
+lib_LTLIBRARIES = libbsd.la
+
+hash/md5hl.c: $(srcdir)/hash/helper.c
+	$(MKDIR_P) hash
+	$(AM_V_GEN) sed -e 's:hashinc:bsd/md5.h:g' -e 's:HASH:MD5:g' $< > $@
+
+libbsd_la_DEPENDENCIES = \
+	libbsd.map
+libbsd_la_LDFLAGS = \
+	-Wl,--version-script=$(srcdir)/libbsd.map \
+	-version-number 0:3:0
+libbsd_la_SOURCES = \
+	arc4random.c \
+	bsd_getopt.c \
+	dehumanize_number.c \
+	err.c \
+	fgetln.c \
+	flopen.c \
+	fmtcheck.c \
+	fpurge.c \
+	getpeereid.c \
+	hash/md5.c \
+	hash/md5hl.c \
+	heapsort.c \
+	humanize_number.c \
+	inet_net_pton.c \
+	local-elf.h \
+	merge.c \
+	nlist.c \
+	pidfile.c \
+	progname.c \
+	radixsort.c \
+	readpassphrase.c \
+	reallocf.c \
+	setmode.c \
+	setproctitle.c \
+	strlcat.c \
+	strlcpy.c \
+	strmode.c \
+	strtonum.c \
+	unvis.c \
+	vis.c \
+	$(nil)
+
+install-exec-hook:
+	if [ "$(libdir)" != "$(runtimelibdir)" ]; then \
+		mkdir -p $(DESTDIR)$(runtimelibdir); \
+		mv $(DESTDIR)$(libdir)/libbsd*.so.* \
+		   $(DESTDIR)$(runtimelibdir)/; \
+		soname=`readlink $(DESTDIR)$(libdir)/libbsd.so`; \
+		sorelprefix=`echo $(libdir) | sed -r -e 's:(^/)?[^/]+:..:g'`; \
+		ln -sf $$sorelprefix$(runtimelibdir)/$$soname \
+		       $(DESTDIR)$(libdir)/libbsd.so; \
+	fi
+
+uninstall-hook:
+	rm -f $(DESTDIR)$(runtimelibdir)/libbsd*.so*