maint.mk

   1 # -*-Makefile-*-
   2 # This Makefile fragment is intended to be useful by any GNU-like project.
   3 # This file originate from coreutils, CPPI, Bison, and Autoconf.
   4
   5 ## Copyright (C) 2001-2006 Free Software Foundation, Inc.
   6 ##
   7 ## This program is free software; you can redistribute it and/or modify
   8 ## it under the terms of the GNU General Public License as published by
   9 ## the Free Software Foundation; either version 2, or (at your option)
  10 ## any later version.
  11 ##
  12 ## This program is distributed in the hope that it will be useful,
  13 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ## GNU General Public License for more details.
  16 ##
  17 ## You should have received a copy of the GNU General Public License
  18 ## along with this program; if not, write to the Free Software
  19 ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20 ## 02110-1301, USA.
  21
  22 ME := maint.mk
  23
  24 # List of all C-like source code files that will be tested for
  25 # stylistic "errors".  You may want to define this to something
  26 # more complex in Makefile.cfg.
  27 C_SOURCES ?= $(shell find . -name '*.[chly]')
  28
  29 # Add some more files to check, typically set in Makefile.cfg.
  30 C_SOURCES += $(C_SOURCES_ADD)
  31
  32 # Do not save the original name or timestamp in the .tar.gz file.
  33 # Use --rsyncable if available.
  34 gzip_rsyncable := \
  35   $(shell gzip --help|grep rsyncable >/dev/null && echo --rsyncable)
  36 GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
  37
  38 # Prevent programs like 'sort' from considering distinct strings to be equal.
  39 # Doing it here saves us from having to set LC_ALL elsewhere in this file.
  40 export LC_ALL = C
  41
  42 # Casting arguments to free is never necessary.
  43 sc_cast_of_argument_to_free:
  44         @grep -nE '\<free *\( *\(' $(C_SOURCES) &&              \
  45           { echo '$(ME): don'\''t cast free argument' 1>&2;             \
  46             exit 1; } || :
  47
  48 # Collect the names of rules starting with `sc_'.
  49 syntax-check-rules := $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' $(ME))
  50 .PHONY: $(syntax-check-rules)
  51
  52 syntax-check: $(syntax-check-rules)