site-lisp/cedet-1.0pre4/ede/ede-proj-shared.el

   1 ;;; ede-proj-shared.el --- EDE Generic Project shared library support
   2
   3 ;;;  Copyright (C) 1998, 1999, 2000  Eric M. Ludlam
   4
   5 ;; Author: Eric M. Ludlam <zappo@gnu.org>
   6 ;; Keywords: project, make
   7 ;; RCS: $Id: ede-proj-shared.el,v 1.9 2005/09/30 20:17:12 zappo Exp $
   8
   9 ;; This software is free software; you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 2, or (at your option)
  12 ;; any later version.
  13
  14 ;; This software is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  21 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22 ;; Boston, MA 02110-1301, USA.
  23
  24 ;;; Commentary:
  25 ;;
  26 ;; Handle shared object libraries in and EDE Project file.
  27 ;; Tries to deal with libtool and non-libtool situations.
  28
  29 (require 'ede-pmake)
  30 (require 'ede-proj-prog)
  31
  32 ;;; THIS NEEDS WORK.  SEE ede-proj-obj.
  33
  34 ;;; Code:
  35 (defclass ede-proj-target-makefile-shared-object
  36   (ede-proj-target-makefile-program)
  37   ((availablecompilers :initform (ede-gcc-shared-compiler
  38                                   ede-gcc-libtool-shared-compiler))
  39    (ldflags :custom (repeat (string :tag "Libtool flag"))
  40             :documentation
  41             "Additional flags to add when linking this shared library.
  42 Use ldlibs to add addition libraries.")
  43    )
  44   "This target generates a shared library.")
  45
  46 (defvar ede-gcc-shared-compiler
  47   (clone ede-gcc-compiler
  48          "ede-c-shared-compiler"
  49          :name "gcc -shared"
  50          :variables '(("CC_SHARED" . "gcc")
  51                       ("C_SHARED_COMPILE" .
  52                        "$(CC_SHARED) -shared $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)"))
  53 ;        :linkvariables '(("C_SHARED_LINK" .
  54 ;                          "$(CC_SHARED) -shared $(CFLAGS) $(LDFLAGS) -L. -o $@ $^")
  55 ;                         )
  56 ;        :commands '("$(C_SHARED_LINK) %s")
  57          :autoconf '("AM_PROG_LIBTOOL")
  58          )
  59   "Compiler for C sourcecode.")
  60
  61 (defvar ede-gcc-libtool-shared-compiler
  62   (clone ede-gcc-shared-compiler
  63          "ede-c-shared-compiler-libtool"
  64          :name "libtool"
  65          :variables '(("LIBTOOL" . "$(SHELL) libtool")
  66                       ("LTCOMPILE" . "$(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)")
  67                       ("LTLINK" . "$(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(LDFLAGS) -L. -o $@")
  68                       )
  69          :commands '("$(LTLINK) $^"
  70                      )
  71          :autoconf '("AM_PROG_LIBTOOL")
  72          )
  73   "Compiler for C sourcecode.")
  74
  75 (when nil
  76
  77
  78   (insert;; These C to O rules create dependencies
  79    "%.o: %.c\n"
  80    "\t@echo '$(COMPILE) -c $<'; \\\n"
  81    "\t$(COMPILE)"
  82    (if (oref this automatic-dependencies)
  83        " -Wp,-MD,.deps/$(*F).P"
  84      "")
  85    " -c $<\n\n")
  86   (if have-libtool
  87       (insert;; These C to shared o rules create pic code.
  88        "%.lo: %.c\n"
  89        "\t@echo '$(LTCOMPILE) -c $<'; \\\n"
  90        "\t$(LTCOMPILE) -Wp,-MD,.deps/$(*F).p -c $<\n"
  91        "\t@-sed -e 's/^\([^:]*\)\.o:/\1.lo \1.o:/' \\\n"
  92        "\t      < .deps/$(*F).p > .deps/$(*F).P\n"
  93        "\t@-rm -f .deps/$(*F).p\n\n"))
  94   )
  95
  96 (defmethod ede-proj-configure-add-missing
  97   ((this ede-proj-target-makefile-shared-object))
  98   "Query if any files needed by THIS provided by automake are missing.
  99 Results in --add-missing being passed to automake."
 100   (not (and (ede-expand-filename (ede-toplevel) "ltconfig")
 101             (ede-expand-filename (ede-toplevel) "ltmain.sh"))))
 102
 103 (defmethod ede-proj-makefile-insert-automake-pre-variables
 104   ((this ede-proj-target-makefile-shared-object))
 105   "Insert bin_PROGRAMS variables needed by target THIS.
 106 We aren't acutally inserting SOURCE details, but this is used by the
 107 Makefile.am generator, so use it to add this important bin program."
 108   (ede-pmake-insert-variable-shared "lib_LTLIBRARIES"
 109      (insert (concat "lib" (ede-name this) ".la"))))
 110
 111 (defmethod ede-proj-makefile-insert-automake-post-variables
 112   ((this ede-proj-target-makefile-shared-object))
 113   "Insert bin_PROGRAMS variables needed by target THIS.
 114 We need to override -program which has an LDADD element."
 115   nil)
 116
 117 (defmethod ede-proj-makefile-target-name ((this ede-proj-target-makefile-shared-object))
 118   "Return the name of the main target for THIS target."
 119   ;; We need some platform gunk to make the .so change to .sl, or .a,
 120   ;; depending on the platform we are going to compile against.
 121   (concat "lib" (ede-name this) ".so"))
 122
 123 (defmethod ede-proj-makefile-sourcevar ((this ede-proj-target-makefile-shared-object))
 124   "Return the variable name for THIS's sources."
 125   (if (eq (oref (ede-target-parent this) makefile-type) 'Makefile.am)
 126       (concat "lib" (oref this name) "_la_SOURCES")
 127     (call-next-method)))
 128
 129
 130 (provide 'ede-proj-shared)
 131
 132 ;;; ede-proj-shared.el ends here