Makefile

   1 # where to install
   2 prefix := /usr/local
   3 libdir := $(prefix)/lib
   4 includedir := $(prefix)/include
   5
   6 objects := osl.o fd.o rbtree.o sha1.o
   7 fsck_objects := fsck.fsck.o osl.fsck.o fd.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 := $(shell uname -rs)
  42
  43 libname := osl
  44 ifeq ($(uname_s),Linux)
  45         # On Linux, the following conventions apply (see dhweeler's Program
  46         # Library HOWTO):
  47         #
  48         # The soname has the prefix ``lib'', the name of the library, the
  49         # phrase ``.so'', followed by a period and a version number that is
  50         # incremented whenever the interface changes.
  51         soname := lib$(libname).so.$(x)
  52
  53         # The real name adds to the soname a period, a minor number, another
  54         # period, and the release number.
  55         realname := $(soname).$(y).$(z)
  56
  57         # In addition, there's the name that the compiler uses when requesting
  58         # a library, (I'll call it the ``linker name''), which is simply the
  59         # soname without any version number.
  60         linkername := lib$(libname).so
  61
  62         LDFLAGS += --shared
  63         LDFLAGS += -Wl,-soname,$(soname)
  64         # disallow undefined symbols
  65         LDFLAGS += -Wl,-z,defs
  66 endif
  67 ifeq ($(uname_s),Darwin)
  68         # Darwin has its own idea on version numbers:
  69         #
  70         realname := lib$(libname).$(x).dylib
  71         soname := $(realname)
  72         linkername := lib$(libname).so
  73         # The minor version number is an incremental number using the format
  74         # X[.Y[.Z]]. To set the minor version number of a dynamic library, use
  75         # the gcc -current_version option.
  76         LDFLAGS += -current_version $(y).$(z)
  77         #
  78         # The compatibility version number of a library release specifies the
  79         # earliest minor version of the clients linked against that release can
  80         # use.
  81         LDFLAGS += -compatibility_version $(y).0
  82         LDFLAGS += -dynamiclib
  83 endif
  84 ifeq ($(uname_s),SunOS)
  85         # Solaris needs another set of flags
  86         LDFLAGS += --shared
  87         LDFLAGS += -z text
  88         LDFLAGS += -z defs
  89         realname := lib$(libname).so.$(major_version).$(minor_version).$(patchlevel_version)
  90         CPPFLAGS += -I/opt/csw/include
  91 endif
  92
  93 all: $(realname) oslfsck
  94 Makefile.deps: $(wildcard *.c *.h)
  95         $(CC) -MM -MG *.c > $@
  96 osl.c: errtab.h
  97
  98
  99 -include Makefile.deps
 100
 101 fsck.cmdline.o: fsck.cmdline.c fsck.cmdline.h
 102         $(CC) -c -DVERSION='"$(VERSION)"' $<
 103
 104 %.fsck.o: %.c Makefile fsck.cmdline.c fsck.cmdline.h
 105         $(CC) -c -DVERSION='"$(VERSION)"' $(CPPFLAGS) $(CFLAGS) $< -o $@
 106
 107 %.o: %.c Makefile
 108         $(CC) -c $(CPPFLAGS) $(CFLAGS) $(LIBCFLAGS) $<
 109
 110 fsck.cmdline.h fsck.cmdline.c: fsck.ggo
 111         gengetopt $$O \
 112                 --conf-parser \
 113                 --unamed-opts=table \
 114                 --file-name=fsck.cmdline \
 115                 --func-name=fsck_cmdline_parser \
 116                 --set-package="oslfsck" \
 117                 --arg-struct-name=fsck_args_info \
 118                 < $<
 119
 120 oslfsck: $(fsck_objects)
 121         $(CC) -o $@ $(fsck_objects) -lcrypto
 122
 123 $(realname): $(objects)
 124         $(CC) $(LDFLAGS) -o $@ $(objects) -lcrypto
 125
 126 osl_errors.h: errlist
 127         sed -e 's/\([A-Z_]*\)   .*/     E_OSL_\1/' \
 128                 -e '1s/^/enum osl_errors {/1' \
 129                 -e '$$!s/$$/,/g' \
 130                 -e '$$s/$$/};/1' $< > $@
 131
 132 errtab.h: errlist
 133         sed -e 's/^\([A-Z_]*\)\s*\(.*\)/_S(E_OSL_\1, \2)/g' $< > $@
 134
 135 osl.h: osl.h.in osl_errors.h
 136         cat $^ > $@
 137 clean:
 138         rm -f *.o $(realname) osl.h osl_errors.h errtab.h fsck.cmdline.h fsck.cmdline.c
 139
 140 install: all
 141         $(MKDIR) $(libdir) $(includedir)
 142         $(RM) $(libdir)/$(linkername)
 143         $(LN) -s $(libdir)/$(soname) $(libdir)/$(linkername)
 144         $(INSTALL) -s -m 755 $(realname) $(libdir)
 145         $(INSTALL) -m 644 $(headers) $(includedir)
 146
 147 .PHONY: all clean install