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.o osl.o util.o rbtree.o sha1.o oslfsck.lsg.o
  10 deps := $(sort $(objects:.o=.d) $(fsck_objects:.o=.d))
  11 headers := osl.h
  12 executables := oslfsck
  13 man_pages := oslfsck.1
  14
  15 INSTALL := install
  16 ifeq "$(origin CC)" "default"
  17         CC := cc
  18 endif
  19 MKDIR := mkdir -p
  20 RM := rm -f
  21 LN := ln
  22 LD := ld
  23 OBJCOPY := objcopy
  24
  25 # libosl's versioning consists of three numbers. Let's call them x, y and z.
  26 x := 0
  27 y := 1
  28 z := 3
  29 VERSION := $(x).$(y).$(z)
  30
  31 OSL_CPPFLAGS += -DOSL_VERSION='"$(VERSION)"'
  32
  33 OSL_CFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
  34 OSL_CFLAGS += -Wredundant-decls
  35 OSL_CFLAGS += -Os
  36 OSL_CFLAGS += -Wall
  37 OSL_CFLAGS += -Wuninitialized
  38 OSL_CFLAGS += -Wchar-subscripts
  39 OSL_CFLAGS += -Wformat-security
  40 OSL_CFLAGS += -Werror-implicit-function-declaration
  41 OSL_CFLAGS += -Wmissing-format-attribute
  42 OSL_CFLAGS += -Wunused-macros
  43 OSL_CFLAGS += -Wbad-function-cast
  44 OSL_CFLAGS += -fPIC
  45 OSL_CFLAGS += -fvisibility=hidden
  46
  47 OSL_LDFLAGS += -Wl,-soname,$(soname)
  48 OSL_LDFLAGS += -Wl,-z,defs
  49 OSL_LDFLAGS += --shared
  50
  51 # On ELf-based systems, the following conventions apply (see dhweeler's
  52 # Program Library HOWTO):
  53 #
  54 # The soname has the prefix ``lib'', the name of the library, the
  55 # phrase ``.so'', followed by a period and a version number that is
  56 # incremented whenever the interface changes.
  57 libname := osl
  58 soname := lib$(libname).so.$(x)
  59
  60 # The real name adds to the soname a period, a minor number, another
  61 # period, and the release number.
  62 realname := $(soname).$(y).$(z)
  63
  64 # In addition, there's the name that the compiler uses when requesting
  65 # a library, (I'll call it the ``linker name''), which is simply the
  66 # soname without any version number.
  67 linkername := lib$(libname).so
  68
  69 all: $(realname) $(executables) $(man_pages)
  70 shared: $(realname)
  71
  72 ifeq ($(findstring clean, $(MAKECMDGOALS)),)
  73 -include $(deps)
  74 endif
  75 %.o: %.c Makefile errtab.h
  76         $(CC) $(OSL_CPPFLAGS) $(CPPFLAGS) \
  77                 -c -MMD -MF $(*F).d -MT $@ \
  78                 $(OSL_CFLAGS) $(CFLAGS) $<
  79
  80 fsck.o: oslfsck.lsg.h
  81 oslfsck: $(fsck_objects)
  82         $(CC) -o $@ $(fsck_objects) -llopsub
  83
  84 %.lsg.c: %.suite
  85         lopsubgen --gen-c < $<
  86
  87 %.lsg.h: %.suite
  88         lopsubgen --gen-header < $<
  89
  90 %.1: %.suite
  91         lopsubgen --gen-man=$@ < $<
  92
  93 $(realname): $(objects)
  94         $(CC) $(OSL_LDFLAGS) $(LDFLAGS) -o $@ $(objects)
  95
  96 $(libname).sym: osl.h.in
  97         sed -Ene '/^int|^const/{s/.*(osl_.*)\(.*/\1/; p;}' $< > $@
  98 $(libname).ga: $(objects)
  99         $(LD) -r -o $@ $(objects)
 100 lib$(libname).a: $(libname).ga $(libname).sym
 101         $(OBJCOPY) --keep-global-symbols $(libname).sym $(libname).ga $@
 102
 103 osl_errors.h: errlist
 104         echo '/** public error codes of the osl library. */' > $@
 105         sed -e 's/\([A-Z_]*\)   .*/     E_OSL_\1/' \
 106                 -e '1s/^/enum osl_errors {/1' \
 107                 -e '1s/$$/=1/1' \
 108                 -e '$$!s/$$/,/g' \
 109                 -e '$$s/$$/};/1' $< >> $@
 110
 111 errtab.h: errlist
 112         sed -e 's/^\([A-Z_]*\)\s*\(.*\)/OSL_ERROR(E_OSL_\1, \2)/g' $< > $@
 113
 114 osl.h: osl.h.in osl_errors.h Makefile
 115         echo '#ifndef _OSL_H' > $@
 116         echo '#define _OSL_H' >> $@
 117         cat osl.h.in osl_errors.h >> $@
 118         echo '#endif /* _OSL_H */' >> $@
 119 clean:
 120         rm -f *.o $(realname) osl.h osl_errors.h errtab.h \
 121                 oslfsck *.a *.ga *.sym *.lsg.* *.d
 122
 123 distclean: clean
 124         rm -f web/index.html web/oslfsck.1.html web/osl.png
 125         rm -rf web/doxygen
 126
 127 install-bin: $(executables)
 128         $(MKDIR) $(bindir)
 129         $(INSTALL) -m 755 $(executables) $(bindir)
 130
 131 install-man: $(man_pages)
 132         $(MKDIR) $(mandir)
 133         $(INSTALL) -m 644 $(man_pages) $(mandir)
 134
 135 install-lib: $(realname) $(headers)
 136         $(MKDIR) $(libdir) $(includedir)
 137         $(RM) $(libdir)/$(linkername)
 138         $(LN) -s $(soname) $(libdir)/$(linkername)
 139         $(INSTALL) -m 755 $(realname) $(libdir)
 140         $(INSTALL) -m 644 $(headers) $(includedir)
 141
 142 install: all install-bin install-man install-lib
 143 www: web/index.html web/osl.png web/doxygen/index.html
 144
 145 .PHONY: all shared clean install install-bin install-man install-lib www
 146
 147 web/osl.png: web/osl.pdf Makefile
 148         convert -scale 200x200 $< $@
 149
 150 web/index.html: oslfsck.1 web/index.html.in INSTALL README
 151         sed -e '/@README@/,$$d' web/index.html.in > $@
 152         markdown < README >> $@
 153         sed -e '1,/@README@/d' -e '/@INSTALL@/,$$d' web/index.html.in >> $@
 154         markdown < INSTALL >> $@
 155         sed -e '1,/@INSTALL@/d' -e '/@MAN_PAGE@/,$$d' web/index.html.in >> $@
 156         groff -m man -Thtml -P -l oslfsck.1 | sed -e '1,/^<body>/d; /^<\/body>/,$$d' >> $@
 157         sed -e '1,/@MAN_PAGE@/d' web/index.html.in >> $@
 158
 159 web/doxygen/index.html: $(wildcard *.c *.h) web/Doxyfile web/header.html \
 160                 web/footer.html
 161         doxygen web/Doxyfile