+# where to install
+PREFIX ?= /usr/local
+libdir := $(PREFIX)/lib
+includedir := $(PREFIX)/include
+bindir := $(PREFIX)/bin
+mandir := $(PREFIX)/man/man1
+
+objects := osl.o util.o rbtree.o sha1.o
+fsck_objects := fsck.fsck.o osl.fsck.o util.fsck.o rbtree.fsck.o sha1.fsck.o fsck.cmdline.o
+headers := osl.h
+executables := oslfsck
+man_pages := oslfsck.1
+
+INSTALL := install
+ifeq "$(origin CC)" "default"
+ CC := gcc
+endif
+MKDIR := mkdir -p
+RM := rm -f
+LN := ln
+LD := ld
+OBJCOPY := objcopy
+
+# libosl's versioning consists of three numbers. Let's call them x, y and z.
+# The way x, y and z are interpreted depends on the OS.
+x := 0
+y := 1
+z := 2
+VERSION := $(x).$(y).$(z)
+
+# common flags
+CFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
+CFLAGS += -Wredundant-decls
+CFLAGS += -Os
+CFLAGS += -Wall
+CFLAGS += -Wuninitialized
+CFLAGS += -Wchar-subscripts
+CFLAGS += -Wformat-security
+CFLAGS += -Werror-implicit-function-declaration
+CFLAGS += -Wmissing-format-attribute
+CFLAGS += -Wunused-macros
+CFLAGS += -Wbad-function-cast
+
+# cflags used only for building library objects
+LIBCFLAGS += -fPIC
+LIBCFLAGS += -fvisibility=hidden
+
uname_s := $(shell uname -s 2>/dev/null || echo "UNKNOWN_OS")
-uname_rs := $(shell uname -rs)
-objects := osl.o fd.o rbtree.o sha1.o
-major_version := 0
-minor_version := 1
-patchlevel_version := 0
libname := osl
-
ifeq ($(uname_s),Linux)
- dso_opts := --shared -Wl,-soname,libosl.so.$(major_version)
- dso_filename :=lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
+ format := elf
+ LDFLAGS += -Wl,-soname,$(soname)
+ # disallow undefined symbols
+ LDFLAGS += -Wl,-z,defs
endif
ifeq ($(uname_s),Darwin)
- mac_major_version := $(shell expr 41 + $(major_version))
- dso_opts := -dynamiclib -current_version $(major_version).$(minor_version) \
- -compatibility_version $(major_version).$(minor_version) -fvisibility=hidden
- dso_filename := lib$(libname).$(shell printf "\\x"$(mac_major_version).dylib)
+ # Darwin has its own idea on version numbers:
+ realname := lib$(libname).$(x).dylib
+ soname := $(realname)
+ linkername := lib$(libname).dylib
+ # The minor version number is an incremental number using the format
+ # X[.Y[.Z]]. To set the minor version number of a dynamic library, use
+ # the gcc -current_version option.
+ LDFLAGS += -current_version $(y).$(z)
+ #
+ # The compatibility version number of a library release specifies the
+ # earliest minor version of the clients linked against that release can
+ # use.
+ LDFLAGS += -compatibility_version $(y).0
+ LDFLAGS += -dynamiclib
endif
ifeq ($(uname_s),SunOS)
- dso_opts := --shared -z text -z defs
- dso_filename :=lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
+ format := elf
+ # Solaris needs another set of flags
+ LDFLAGS += -z text
+ LDFLAGS += -z defs
CPPFLAGS += -I/opt/csw/include
+ LDFLAGS += -lc
endif
+
+ifeq ($(uname_s),NetBSD)
+ format := elf
+ LDFLAGS += -Wl,-soname,$(soname)
+endif
+
ifeq ($(uname_s),FreeBSD)
- dso_opts := --shared -Wl,-soname,libosl.so.$(major_version)
- dso_filename :=lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
+ format := elf
+ LDFLAGS += -Wl,-soname,$(soname)
endif
-ifeq ($(uname_s),NetBSD)
- dso_opts := --shared -Wl,-soname,libosl.so.$(major_version)
- dso_filename :=lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
+
+ifeq ($(format),elf)
+ # On ELf-based systems, the following conventions apply (see dhweeler's
+ # Program Library HOWTO):
+ #
+ # The soname has the prefix ``lib'', the name of the library, the
+ # phrase ``.so'', followed by a period and a version number that is
+ # incremented whenever the interface changes.
+ soname := lib$(libname).so.$(x)
+
+ # The real name adds to the soname a period, a minor number, another
+ # period, and the release number.
+ realname := $(soname).$(y).$(z)
+
+ # In addition, there's the name that the compiler uses when requesting
+ # a library, (I'll call it the ``linker name''), which is simply the
+ # soname without any version number.
+ linkername := lib$(libname).so
+ LDFLAGS += --shared
endif
-all: $(dso_filename)
-
-DEBUG_CPPFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
-DEBUG_CPPFLAGS += -Wredundant-decls
-#CPPFLAGS += -Os
-CPPFLAGS += -Wall
-#CPPFLAGS += -Wuninitialized
-CPPFLAGS += -Wchar-subscripts
-CPPFLAGS += -Wformat-security
-CPPFLAGS += -Werror-implicit-function-declaration
-CPPFLAGS += -Wmissing-format-attribute
-CPPFLAGS += -Wunused-macros
-CPPFLAGS += -Wbad-function-cast
-CPPFLAGS += -fPIC
-CPPFLAGS += -fvisibility=hidden
+
+all: $(realname) $(executables) $(man_pages)
+shared: $(realname)
Makefile.deps: $(wildcard *.c *.h)
- gcc -MM -MG *.c > $@
+ $(CC) -MM -MG *.c > $@
+osl.c fsck.c:
-include Makefile.deps
-%.o: %.c Makefile
- $(CC) -c $(CPPFLAGS) $(DEBUG_CPPFLAGS) $<
-$(dso_filename): $(objects)
- $(CC) $(dso_opts) -o $@ $(objects) -lcrypto
+fsck.cmdline.o: fsck.cmdline.c fsck.cmdline.h
+ $(CC) -c -DVERSION='"$(VERSION)"' $<
+
+%.fsck.o: %.c Makefile fsck.cmdline.c fsck.cmdline.h osl.h errtab.h
+ $(CC) -c -DVERSION='"$(VERSION)"' $(CPPFLAGS) $(CFLAGS) $< -o $@
+
+%.o: %.c Makefile errtab.h
+ $(CC) -c $(CPPFLAGS) $(CFLAGS) $(LIBCFLAGS) $<
+
+fsck.cmdline.h fsck.cmdline.c: fsck.ggo Makefile
+ gengetopt \
+ --conf-parser \
+ --unamed-opts=table \
+ --no-handle-version \
+ --file-name=fsck.cmdline \
+ --func-name=fsck_cmdline_parser \
+ --set-package="oslfsck" \
+ --arg-struct-name=fsck_args_info \
+ < $<
+
+oslfsck: $(fsck_objects)
+ $(CC) -o $@ $(fsck_objects)
+
+oslfsck.1: oslfsck
+ help2man -h --detailed-help -N ./$< > $@
+
+$(realname): $(objects)
+ $(CC) $(LDFLAGS) -o $@ $(objects)
+
+$(libname).sym: osl.h.in
+ sed -Ene '/^int|^const/{s/.*(osl_.*)\(.*/\1/; p;}' $< > $@
+$(libname).ga: $(objects)
+ $(LD) -r -o $@ $(objects)
+lib$(libname).a: $(libname).ga $(libname).sym
+ $(OBJCOPY) --keep-global-symbols $(libname).sym $(libname).ga $@
osl_errors.h: errlist
+ echo '/** public error codes of the osl library. */' > $@
sed -e 's/\([A-Z_]*\) .*/ E_OSL_\1/' \
- -e '1s/^/enum osl_errors {\n/1' \
+ -e '1s/^/enum osl_errors {/1' \
+ -e '1s/$$/=1/1' \
-e '$$!s/$$/,/g' \
- -e '$$s/$$/\n};/1' $< > $@
+ -e '$$s/$$/};/1' $< >> $@
errtab.h: errlist
- sed -e 's/^\([A-Z_]*\)\s*\(.*\)/_S(E_OSL_\1, \2)/g' $< > $@
-osl.h: osl.h.in osl_errors.h
- cat $^ > $@
+ sed -e 's/^\([A-Z_]*\)\s*\(.*\)/OSL_ERROR(E_OSL_\1, \2)/g' $< > $@
+
+osl.h: osl.h.in osl_errors.h Makefile
+ echo '#ifndef _OSL_H' > $@
+ echo '#define _OSL_H' >> $@
+ cat osl.h.in osl_errors.h >> $@
+ echo '#endif /* _OSL_H */' >> $@
clean:
- rm -f *.o $(dso_filename) osl.h osl_errors.h errtab.h
+ rm -f *.o $(realname) osl.h osl_errors.h errtab.h fsck.cmdline.h \
+ fsck.cmdline.c oslfsck *.a *.ga *.sym
+
+distclean: clean
+ rm -f web/index.html web/oslfsck.1.html web/osl.png
+ rm -rf web/doxygen
+
+install-bin: $(executables)
+ $(MKDIR) $(bindir)
+ $(INSTALL) -m 755 $(executables) $(bindir)
+
+install-man: $(man_pages)
+ $(MKDIR) $(mandir)
+ $(INSTALL) -m 644 $(man_pages) $(mandir)
+
+install-lib: $(realname) $(headers)
+ $(MKDIR) $(libdir) $(includedir)
+ $(RM) $(libdir)/$(linkername)
+ $(LN) -s $(soname) $(libdir)/$(linkername)
+ $(INSTALL) -m 755 $(realname) $(libdir)
+ $(INSTALL) -m 644 $(headers) $(includedir)
+
+install: all install-bin install-man install-lib
+www: web/index.html web/osl.png web/doxygen/index.html
+
+.PHONY: all shared clean install install-bin install-man install-lib www
+
+web/osl.png: web/osl.pdf Makefile
+ convert -scale 200x200 $< $@
+
+web/index.html: oslfsck.1 web/index.html.in INSTALL README
+ sed -e '/@README@/,$$d' web/index.html.in > $@
+ markdown < README >> $@
+ sed -e '1,/@README@/d' -e '/@INSTALL@/,$$d' web/index.html.in >> $@
+ markdown < INSTALL >> $@
+ sed -e '1,/@INSTALL@/d' -e '/@MAN_PAGE@/,$$d' web/index.html.in >> $@
+ groff -m man -Thtml -P -l oslfsck.1 | sed -e '1,/^<body>/d; /^<\/body>/,$$d' >> $@
+ sed -e '1,/@MAN_PAGE@/d' web/index.html.in >> $@
+
+web/doxygen/index.html: $(wildcard *.c *.h) web/Doxyfile web/header.html \
+ web/footer.html
+ doxygen web/Doxyfile