Makefile

   1 # where to install
   2 PREFIX ?= /usr/local
   3 libdir := $(PREFIX)/lib
   4 includedir := $(PREFIX)/include
   5 bindir := $(PREFIX)/bin
   6 mandir := $(PREFIX)/man/man1
   7
   8 objects := osl.o util.o rbtree.o sha1.o
   9 fsck_objects := fsck.fsck.o osl.fsck.o util.fsck.o rbtree.fsck.o sha1.fsck.o fsck.cmdline.o
  10 headers := osl.h
  11 executables := oslfsck
  12 man_pages := oslfsck.1
  13
  14 INSTALL := install
  15 ifeq "$(origin CC)" "default"
  16         CC := gcc
  17 endif
  18 MKDIR := mkdir -p
  19 RM := rm -f
  20 LN := ln
  21 LD := ld
  22 OBJCOPY := objcopy
  23
  24 # libosl's versioning consists of three numbers. Let's call them x, y and z.
  25 # The way x, y and z are interpreted depends on the OS.
  26 x := 0
  27 y := 1
  28 z := 1
  29 VERSION := $(x).$(y).$(z)
  30
  31 # common flags
  32 CFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
  33 CFLAGS += -Wredundant-decls
  34 CFLAGS += -Os
  35 CFLAGS += -Wall
  36 CFLAGS += -Wuninitialized
  37 CFLAGS += -Wchar-subscripts
  38 CFLAGS += -Wformat-security
  39 CFLAGS += -Werror-implicit-function-declaration
  40 CFLAGS += -Wmissing-format-attribute
  41 CFLAGS += -Wunused-macros
  42 CFLAGS += -Wbad-function-cast
  43
  44 # cflags used only for building library objects
  45 LIBCFLAGS += -fPIC
  46 LIBCFLAGS += -fvisibility=hidden
  47
  48 uname_s := $(shell uname -s 2>/dev/null || echo "UNKNOWN_OS")
  49
  50 libname := osl
  51
  52 ifeq ($(uname_s),Linux)
  53         format := elf
  54         LDFLAGS += -Wl,-soname,$(soname)
  55         # disallow undefined symbols
  56         LDFLAGS += -Wl,-z,defs
  57 endif
  58 ifeq ($(uname_s),Darwin)
  59         # Darwin has its own idea on version numbers:
  60         realname := lib$(libname).$(x).dylib
  61         soname := $(realname)
  62         linkername := lib$(libname).dylib
  63         # The minor version number is an incremental number using the format
  64         # X[.Y[.Z]]. To set the minor version number of a dynamic library, use
  65         # the gcc -current_version option.
  66         LDFLAGS += -current_version $(y).$(z)
  67         #
  68         # The compatibility version number of a library release specifies the
  69         # earliest minor version of the clients linked against that release can
  70         # use.
  71         LDFLAGS += -compatibility_version $(y).0
  72         LDFLAGS += -dynamiclib
  73 endif
  74 ifeq ($(uname_s),SunOS)
  75         format := elf
  76         # Solaris needs another set of flags
  77         LDFLAGS += -z text
  78         LDFLAGS += -z defs
  79         CPPFLAGS += -I/opt/csw/include
  80         LDFLAGS += -lc
  81 endif
  82
  83 ifeq ($(uname_s),NetBSD)
  84         format := elf
  85         LDFLAGS += -Wl,-soname,$(soname)
  86 endif
  87
  88 ifeq ($(uname_s),FreeBSD)
  89         format := elf
  90         LDFLAGS += -Wl,-soname,$(soname)
  91 endif
  92
  93 ifeq ($(format),elf)
  94         # On ELf-based systems, the following conventions apply (see dhweeler's
  95         # Program Library HOWTO):
  96         #
  97         # The soname has the prefix ``lib'', the name of the library, the
  98         # phrase ``.so'', followed by a period and a version number that is
  99         # incremented whenever the interface changes.
 100         soname := lib$(libname).so.$(x)
 101
 102         # The real name adds to the soname a period, a minor number, another
 103         # period, and the release number.
 104         realname := $(soname).$(y).$(z)
 105
 106         # In addition, there's the name that the compiler uses when requesting
 107         # a library, (I'll call it the ``linker name''), which is simply the
 108         # soname without any version number.
 109         linkername := lib$(libname).so
 110         LDFLAGS += --shared
 111 endif
 112
 113 all: $(realname) $(executables) $(man_pages)
 114 shared: $(realname)
 115
 116 Makefile.deps: $(wildcard *.c *.h)
 117         $(CC) -MM -MG *.c > $@
 118 osl.c fsck.c:
 119
 120 -include Makefile.deps
 121
 122 fsck.cmdline.o: fsck.cmdline.c fsck.cmdline.h
 123         $(CC) -c -DVERSION='"$(VERSION)"' $<
 124
 125 %.fsck.o: %.c Makefile fsck.cmdline.c fsck.cmdline.h osl.h errtab.h
 126         $(CC) -c -DVERSION='"$(VERSION)"' $(CPPFLAGS) $(CFLAGS) $< -o $@
 127
 128 %.o: %.c Makefile errtab.h
 129         $(CC) -c $(CPPFLAGS) $(CFLAGS) $(LIBCFLAGS) $<
 130
 131 fsck.cmdline.h fsck.cmdline.c: fsck.ggo Makefile
 132         gengetopt \
 133                 --conf-parser \
 134                 --unamed-opts=table \
 135                 --no-handle-version \
 136                 --file-name=fsck.cmdline \
 137                 --func-name=fsck_cmdline_parser \
 138                 --set-package="oslfsck" \
 139                 --arg-struct-name=fsck_args_info \
 140                 < $<
 141
 142 oslfsck: $(fsck_objects)
 143         $(CC) -o $@ $(fsck_objects)
 144
 145 oslfsck.1: oslfsck
 146         help2man -h --detailed-help -N ./$< > $@
 147
 148 $(realname): $(objects)
 149         $(CC) $(LDFLAGS) -o $@ $(objects)
 150
 151 $(libname).sym: osl.h.in
 152         sed -Ene '/^int|^const/{s/.*(osl_.*)\(.*/\1/; p;}' $< > $@
 153 $(libname).ga: $(objects)
 154         $(LD) -r -o $@ $(objects)
 155 lib$(libname).a: $(libname).ga $(libname).sym
 156         $(OBJCOPY) --keep-global-symbols $(libname).sym $(libname).ga $@
 157
 158 osl_errors.h: errlist
 159         echo '/** public error codes of the osl library. */' > $@
 160         sed -e 's/\([A-Z_]*\)   .*/     E_OSL_\1/' \
 161                 -e '1s/^/enum osl_errors {/1' \
 162                 -e '1s/$$/=1/1' \
 163                 -e '$$!s/$$/,/g' \
 164                 -e '$$s/$$/};/1' $< >> $@
 165
 166 errtab.h: errlist
 167         sed -e 's/^\([A-Z_]*\)\s*\(.*\)/OSL_ERROR(E_OSL_\1, \2)/g' $< > $@
 168
 169 osl.h: osl.h.in osl_errors.h Makefile
 170         echo '#ifndef _OSL_H' > $@
 171         echo '#define _OSL_H' >> $@
 172         cat osl.h.in osl_errors.h >> $@
 173         echo '#endif /* _OSL_H */' >> $@
 174 clean:
 175         rm -f *.o $(realname) osl.h osl_errors.h errtab.h fsck.cmdline.h \
 176                 fsck.cmdline.c oslfsck *.a *.ga *.sym
 177
 178 distclean: clean
 179         rm -f web/index.html web/oslfsck.1.html web/osl.png
 180         rm -rf web/doxygen
 181
 182 install-bin: $(executables)
 183         $(MKDIR) $(bindir)
 184         $(INSTALL) -m 755 $(executables) $(bindir)
 185
 186 install-man: $(man_pages)
 187         $(MKDIR) $(mandir)
 188         $(INSTALL) -m 644 $(man_pages) $(mandir)
 189
 190 install-lib: $(realname) $(headers)
 191         $(MKDIR) $(libdir) $(includedir)
 192         $(RM) $(libdir)/$(linkername)
 193         $(LN) -s $(libdir)/$(soname) $(libdir)/$(linkername)
 194         $(INSTALL) -m 755 $(realname) $(libdir)
 195         $(INSTALL) -m 644 $(headers) $(includedir)
 196
 197 install: all install-bin install-man install-lib
 198
 199 .PHONY: all shared clean install install-bin install-man install-lib
 200
 201 web/%.1.html: %.1
 202         man2html $< > $@
 203
 204 web/osl.png: web/osl.pdf Makefile
 205         convert -scale 200x200 $< $@
 206
 207 web/index.html: web/oslfsck.1.html web/index.html.in INSTALL README
 208         sed -e '/@README@/,$$d' web/index.html.in > $@
 209         grutatxt -nb < README >> $@
 210         sed -e '1,/@README@/d' -e '/@INSTALL@/,$$d' web/index.html.in >> $@
 211         grutatxt -nb < INSTALL >> $@
 212         sed -e '1,/@INSTALL@/d' -e '/@MAN_PAGE@/,$$d' web/index.html.in >> $@
 213         sed -e '1,/Return to Main Contents/d' -e '/Index/,$$d' web/oslfsck.1.html >> $@
 214         sed -e '1,/@MAN_PAGE@/d' web/index.html.in >> $@