lisp/cedet/ede/proj-shared.el

   1 ;;; ede-proj-shared.el --- EDE Generic Project shared library support
   2
   3 ;;; Copyright (C) 1998, 1999, 2000, 2009 Free Software Foundation, Inc.
   4
   5 ;; Author: Eric M. Ludlam <zappo@gnu.org>
   6 ;; Keywords: project, make
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 ;;; Commentary:
  24 ;;
  25 ;; Handle shared object libraries in and EDE Project file.
  26 ;; Tries to deal with libtool and non-libtool situations.
  27
  28 (require 'ede/pmake)
  29 (require 'ede/proj-prog)
  30
  31 ;;; THIS NEEDS WORK.  SEE ede-proj-obj.
  32
  33 ;;; Code:
  34 (defclass ede-proj-target-makefile-shared-object
  35   (ede-proj-target-makefile-program)
  36   ((availablecompilers :initform (ede-gcc-shared-compiler
  37                                   ede-gcc-libtool-shared-compiler
  38                                   ede-g++-shared-compiler
  39                                   ede-g++-libtool-shared-compiler
  40                                   ))
  41    (ldflags :custom (repeat (string :tag "Libtool flag"))
  42             :documentation
  43             "Additional flags to add when linking this shared library.
  44 Use ldlibs to add addition libraries.")
  45    )
  46   "This target generates a shared library.")
  47
  48 (defvar ede-gcc-shared-compiler
  49   (clone ede-gcc-compiler
  50          "ede-c-shared-compiler"
  51          :name "gcc -shared"
  52          :variables '(("CC_SHARED" . "gcc")
  53                       ("C_SHARED_COMPILE" .
  54                        "$(CC_SHARED) -shared $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)"))
  55 ;        :linkvariables '(("C_SHARED_LINK" .
  56 ;                          "$(CC_SHARED) -shared $(CFLAGS) $(LDFLAGS) -L. -o $@ $^")
  57 ;                         )
  58 ;        :commands '("$(C_SHARED_LINK) %s")
  59          ;; @TODO - addative modification of autoconf.
  60          :autoconf '("AC_PROG_LIBTOOL")
  61          )
  62   "Compiler for C sourcecode.")
  63
  64 (defvar ede-gcc-libtool-shared-compiler
  65   (clone ede-gcc-shared-compiler
  66          "ede-c-shared-compiler-libtool"
  67          :name "libtool"
  68          :variables '(("LIBTOOL" . "$(SHELL) libtool")
  69                       ("LTCOMPILE" . "$(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)")
  70                       ("LTLINK" . "$(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(LDFLAGS) -L. -o $@")
  71                       )
  72          :commands '("$(LTLINK) $^"
  73                      )
  74          :autoconf '("AC_PROG_LIBTOOL")
  75          )
  76   "Compiler for C sourcecode.")
  77
  78 (defvar ede-g++-shared-compiler
  79   (clone ede-g++-compiler
  80          "ede-c++-shared-compiler"
  81          :name "gcc -shared"
  82          :variables '(("CXX_SHARED" . "g++")
  83                       ("CXX_SHARED_COMPILE" .
  84                        "$(CXX_SHARED) -shared $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)"))
  85          ;; @TODO - addative modification of autoconf.
  86          :autoconf '("AC_PROG_LIBTOOL")
  87          )
  88   "Compiler for C sourcecode.")
  89
  90 (defvar ede-g++-libtool-shared-compiler
  91   (clone ede-g++-shared-compiler
  92          "ede-c++-shared-compiler-libtool"
  93          :name "libtool"
  94          :variables '(("CXX" "g++")
  95                       ("LIBTOOL" . "$(SHELL) libtool")
  96                       ("LTCOMPILE" . "$(LIBTOOL) --mode=compile $(CXX) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)")
  97                       ("LTLINK" . "$(LIBTOOL) --mode=link $(CXX) $(CFLAGS) $(LDFLAGS) -L. -o $@")
  98                       )
  99          :commands '("$(LTLINK) $^"
 100                      )
 101          :autoconf '("AC_PROG_LIBTOOL")
 102          )
 103   "Compiler for C sourcecode.")
 104
 105 ;;; @TODO - C++ versions of the above.
 106
 107 (when nil
 108
 109
 110   (insert;; These C to O rules create dependencies
 111    "%.o: %.c\n"
 112    "\t@echo '$(COMPILE) -c $<'; \\\n"
 113    "\t$(COMPILE)"
 114    (if (oref this automatic-dependencies)
 115        " -Wp,-MD,.deps/$(*F).P"
 116      "")
 117    " -c $<\n\n")
 118   (if have-libtool
 119       (insert;; These C to shared o rules create pic code.
 120        "%.lo: %.c\n"
 121        "\t@echo '$(LTCOMPILE) -c $<'; \\\n"
 122        "\t$(LTCOMPILE) -Wp,-MD,.deps/$(*F).p -c $<\n"
 123        "\t@-sed -e 's/^\([^:]*\)\.o:/\1.lo \1.o:/' \\\n"
 124        "\t      < .deps/$(*F).p > .deps/$(*F).P\n"
 125        "\t@-rm -f .deps/$(*F).p\n\n"))
 126   )
 127
 128 (defmethod ede-proj-configure-add-missing
 129   ((this ede-proj-target-makefile-shared-object))
 130   "Query if any files needed by THIS provided by automake are missing.
 131 Results in --add-missing being passed to automake."
 132   (not (and (ede-expand-filename (ede-toplevel) "ltconfig")
 133             (ede-expand-filename (ede-toplevel) "ltmain.sh"))))
 134
 135 (defmethod ede-proj-makefile-insert-automake-pre-variables
 136   ((this ede-proj-target-makefile-shared-object))
 137   "Insert bin_PROGRAMS variables needed by target THIS.
 138 We aren't acutally inserting SOURCE details, but this is used by the
 139 Makefile.am generator, so use it to add this important bin program."
 140   (ede-pmake-insert-variable-shared "lib_LTLIBRARIES"
 141      (insert (concat "lib" (ede-name this) ".la"))))
 142
 143 (defmethod ede-proj-makefile-insert-automake-post-variables
 144   ((this ede-proj-target-makefile-shared-object))
 145   "Insert bin_PROGRAMS variables needed by target THIS.
 146 We need to override -program which has an LDADD element."
 147   nil)
 148
 149 (defmethod ede-proj-makefile-target-name ((this ede-proj-target-makefile-shared-object))
 150   "Return the name of the main target for THIS target."
 151   ;; We need some platform gunk to make the .so change to .sl, or .a,
 152   ;; depending on the platform we are going to compile against.
 153   (concat "lib" (ede-name this)
 154           (if (eq (oref (ede-target-parent this) makefile-type)
 155                   'Makefile.am)
 156               ".la"
 157             ".so")))
 158
 159 (defmethod ede-proj-makefile-sourcevar ((this ede-proj-target-makefile-shared-object))
 160   "Return the variable name for THIS's sources."
 161   (if (eq (oref (ede-target-parent this) makefile-type) 'Makefile.am)
 162       (concat "lib" (oref this name) "_la_SOURCES")
 163     (call-next-method)))
 164
 165
 166 (provide 'ede/proj-shared)
 167
 168 ;; arch-tag: 05f22c3e-b269-4411-9425-65e8fe4ab74a
 169 ;;; ede/proj-shared.el ends here