Makefile

   1 top_builddir=.
   2 -include $(top_builddir)/Makefile.config
   3
   4 SUBDIRS = doc src
   5 SUBDIRS-$(CONFIG_NLS) += po
   6 CLEAN   = features.log
   7 calltest = $1-$1
   8
   9 all-recursive: config.h
  10
  11 # Automagically rerun autotools
  12 $(top_builddir)/config.status: $(top_srcdir)/configure
  13         cd $(top_builddir) && $(SHELL) ./config.status --recheck
  14
  15 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
  16 $(ACLOCAL_M4): $(top_srcdir)/configure.in $(top_srcdir)/acinclude.m4
  17         cd $(top_srcdir) && $(ACLOCAL)
  18
  19 $(top_srcdir)/configure: $(top_srcdir)/configure.in $(ACLOCAL_M4)
  20         cd $(top_srcdir) && $(AUTOCONF)
  21
  22 # Makefile.config doesn't need a separate timestamp file because
  23 # touching it doesn't directly cause other files to be rebuilt.
  24 $(top_builddir)/Makefile.config: $(top_srcdir)/Makefile.config.in $(top_builddir)/config.status
  25         cd $(top_builddir) \
  26           && CONFIG_FILES=Makefile.config CONFIG_HEADERS= \
  27              $(SHELL) ./config.status
  28
  29 $(top_builddir)/config.h: $(top_builddir)/stamp-h
  30         @cd $(top_builddir) && \
  31         if test ! -f $@; then \
  32                 rm -f stamp-h; \
  33                 $(MAKE) stamp-h; \
  34         else :; fi
  35
  36 $(top_builddir)/stamp-h: $(top_srcdir)/config.h.in $(top_builddir)/config.status
  37         cd $(top_builddir) \
  38           && CONFIG_FILES= CONFIG_HEADERS=config.h \
  39              $(SHELL) ./config.status
  40         @echo timestamp > stamp-h 2> /dev/null
  41
  42 $(top_srcdir)/config.h.in: $(top_srcdir)/stamp-h.in
  43         @if test ! -f $@; then \
  44                 rm -f $(top_srcdir)/stamp-h.in; \
  45                 $(MAKE) $(top_srcdir)/stamp-h.in; \
  46         else :; fi
  47
  48 $(top_srcdir)/stamp-h.in: $(top_srcdir)/configure.in $(ACLOCAL_M4)
  49         cd $(top_srcdir) && $(AUTOHEADER)
  50         @echo timestamp > $(top_srcdir)/stamp-h.in 2> /dev/null
  51
  52
  53 # Makefile.lib heavily uses $(call ...), which was added in GNU Make 3.78.
  54 # An elinks-users post on 2007-12-04 reported trouble with GNU Make 3.68.
  55 # Detect this situation and give an error message.  $(MAKECMDGOALS) is
  56 # only defined by 3.76 and later, so specify the "all" target as well.
  57 # This check has been tested with GNU Make 3.68, 3.77, 3.78.1, and 3.81.
  58 ifneq ($(call calltest,ok),ok-ok)
  59 $(MAKECMDGOALS) default all:
  60         @echo >&2 "You need GNU Make 3.78 or later"
  61         @false
  62 else
  63 ifeq ($(wildcard Makefile.config),)
  64 # Catch all
  65 $(MAKECMDGOALS) default:
  66         @echo "You need to first run ./configure"
  67 else
  68 include $(top_srcdir)/Makefile.lib
  69 endif
  70 endif