stdlib/Makefile

   1 # Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Library General Public License as
   6 # published by the Free Software Foundation; either version 2 of the
   7 # License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Library General Public License for more details.
  13
  14 # You should have received a copy of the GNU Library General Public
  15 # License along with the GNU C Library; see the file COPYING.LIB.  If
  16 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 # Cambridge, MA 02139, USA.
  18
  19 #
  20 #       Makefile for stdlib routines
  21 #
  22 subdir  := stdlib
  23
  24 headers := stdlib.h alloca.h
  25
  26 routines        :=                                                            \
  27         atof atoi atol                                                        \
  28         abort                                                                 \
  29         bsearch qsort msort                                                   \
  30         getenv putenv setenv                                                  \
  31         exit on_exit atexit                                                   \
  32         abs labs                                                              \
  33         div ldiv                                                              \
  34         mblen mbstowcs mbtowc wcstombs wctomb                                 \
  35         random rand                                                           \
  36         strtol strtoul strtoq strtouq                                         \
  37         strtof strtod strtold                                                 \
  38         system
  39
  40 distribute      := exit.h grouping.h
  41 tests           := tst-strtol tst-strtod testmb testrand testsort testdiv
  42
  43
  44 # Several mpn functions from GNU MP are used by the strtod function.
  45 mpn-routines := add_1 add_n addmul_1 cmp divmod divmod_1 udiv_qrnnd \
  46                 lshift rshift mod_1 mul mul_1 mul_n sub_n submul_1
  47 mpn-headers = longlong.h gmp.h gmp-impl.h gmp-mparam.h asm-syntax.h
  48
  49 routines := $(strip $(routines) $(mpn-routines))        \
  50             dbl2mpn ldbl2mpn                            \
  51             mpn2flt mpn2dbl mpn2ldbl
  52 aux := mp_clz_tab fpioconst
  53 distribute := $(distribute) $(mpn-headers) gen-mpn-copy fpioconst.h
  54
  55
  56 include ../Rules
  57
  58
  59 ifdef gmp-srcdir
  60
  61 gmp-srcdir := $(firstword $(filter-out ..//%,$(..)$(gmp-srcdir) $(gmp-srcdir)))
  62
  63 # Copy the mpn source files we use from the GNU MP source directory.
  64 # `gmp-srcdir' is set by doing `configure --with-gmp=DIR'.
  65 # (Do not try this at home.  You need an as yet unreleased version of GNU MP.)
  66
  67 mpn-sysdep := $(addsuffix .c,$(mpn-routines)) \
  68               $(addsuffix .S,$(mpn-routines)) \
  69               $(addsuffix .s,$(mpn-routines)) gmp-mparam.h asm-syntax.h
  70
  71 mpn-try := $(addprefix $(gmp-srcdir)/mpn/*/,$(mpn-sysdep))
  72 mpn-found := $(wildcard $(mpn-try))
  73 mpn-found := $(filter-out $(patsubst %.S,%.s,$(filter %.s,$(mpn-found))),\
  74                           $(mpn-found))
  75
  76 include mpn-copy.mk
  77 %.mk: gen-%; sh $< > $@
  78
  79 mpn-copy-1 := $(patsubst $(gmp-srcdir)/mpn/%,$(sysdep_dir)/%,$(mpn-found))
  80 mpn-copy-sysdep := $(mpn-copy-sysdep) $(mpn-copy-1)
  81 $(mpn-copy-1): $(sysdep_dir)/%: $(ignore gmp2glibc.sed) $(gmp-srcdir)/mpn/%
  82         $(gmp2glibc)
  83
  84 mpn-stuff = $(mpn-copy-sysdep) $(mpn-copy)
  85
  86 # chmod so I don't edit them by mistake.
  87 define gmp2glibc
  88 $(ignore sed -f $^ > $@-tmp)
  89 cp $< $@-tmp
  90 chmod a-w $@-tmp
  91 mv -f $@-tmp $@
  92 endef
  93
  94 mpn-copy = $(filter-out $(mpn-sysdep),$(mpn-headers) mp_clz_tab.c)
  95 $(mpn-copy): %: $(ignore gmp2glibc.sed) $(gmp-srcdir)/%; $(gmp2glibc)
  96
  97 .PHONY: copy-mpn clean-mpn
  98 copy-mpn: $(mpn-stuff)
  99 clean-mpn:
 100         rm -f $(mpn-stuff)
 101
 102 endif