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# 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 := $(shell uname -s 2>/dev/null || echo "UNKNOWN_OS")
libname := osl
ifeq ($(uname_s),Linux)
format := elf
LDFLAGS += -Wl,-soname,$(soname)
# disallow undefined symbols
LDFLAGS += -Wl,-z,defs
endif
ifeq ($(uname_s),Darwin)
# 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)
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 ($(uname_s),FreeBSD)
format := elf
LDFLAGS += -Wl,-soname,$(soname)
endif
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: $(realname) $(executables) $(man_pages)
shared: $(realname)
Makefile.deps: $(wildcard *.c *.h)
$(CC) -MM -MG *.c > $@
osl.c fsck.c:
-include Makefile.deps
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 {/1' \
-e '1s/$$/=1/1' \
-e '$$!s/$$/,/g' \
-e '$$s/$$/};/1' $< >> $@
errtab.h: errlist
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 $(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 $(libdir)/$(soname) $(libdir)/$(linkername)
$(INSTALL) -m 755 $(realname) $(libdir)
$(INSTALL) -m 644 $(headers) $(includedir)
install: all install-bin install-man install-lib
.PHONY: all shared clean install install-bin install-man install-lib
web/%.1.html: %.1
man2html $< > $@
web/osl.png: web/osl.pdf Makefile
convert -scale 200x200 $< $@
web/index.html: web/oslfsck.1.html web/index.html.in INSTALL README
sed -e '/@README@/,$$d' web/index.html.in > $@
grutatxt -nb < README >> $@
sed -e '1,/@README@/d' -e '/@INSTALL@/,$$d' web/index.html.in >> $@
grutatxt -nb < INSTALL >> $@
sed -e '1,/@INSTALL@/d' -e '/@MAN_PAGE@/,$$d' web/index.html.in >> $@
sed -e '1,/Return to Main Contents/d' -e '/Index/,$$d' web/oslfsck.1.html >> $@
sed -e '1,/@MAN_PAGE@/d' web/index.html.in >> $@
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