Makefile

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