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 *\( *\(' $(C_SOURCES) &&                      \
  45           { echo '$(ME): don'\''t cast free argument' 1>&2;             \
  46             exit 1; } || :
  47
  48 sc_cast_of_x_alloc_return_value:
  49         @grep -nE '\*\) *x(m|c|re)alloc\>' $(C_SOURCES) &&              \
  50           { echo '$(ME): don'\''t cast x*alloc return value' 1>&2;      \
  51             exit 1; } || :
  52
  53 sc_cast_of_alloca_return_value:
  54         @grep -nE '\*\) *alloca\>' $(C_SOURCES) &&                      \
  55           { echo '$(ME): don'\''t cast alloca return value' 1>&2;       \
  56             exit 1; } || :
  57
  58 sc_space_tab:
  59         @grep -n '[ ]   ' $(C_SOURCES) &&                               \
  60           { echo '$(ME): found SPACE-TAB sequence; remove the SPACE'    \
  61                 1>&2; exit 1; } || :
  62
  63 # Don't use the old ato* functions in `real' code.
  64 # They provide no error checking mechanism.
  65 # Instead, use strto* functions.
  66 sc_prohibit_atoi_atof:
  67         @grep -nE '\<ato([filq]|ll)\>' $(C_SOURCES) &&                  \
  68           { echo '$(ME): do not use ato''f, ato''i, ato''l, ato''ll, or ato''q' \
  69                 1>&2; exit 1; } || :
  70
  71 # Using EXIT_SUCCESS as the first argument to error is misleading,
  72 # since when that parameter is 0, error does not exit.  Use `0' instead.
  73 sc_error_exit_success:
  74         @grep -nF 'error (EXIT_SUCCESS,' $(C_SOURCES) &&                \
  75           { echo '$(ME): found error (EXIT_SUCCESS' 1>&2;               \
  76             exit 1; } || :
  77
  78 # Stylistic, use #ifdef instead of #if
  79 sc_no_if_have_config_h:
  80         @grep -n '^# *if HAVE_CONFIG_H' $(C_SOURCES) &&                 \
  81           { echo '$(ME): found use of #if HAVE_CONFIG_H; use #ifdef'    \
  82                 1>&2; exit 1; } || :
  83
  84 # Prohibit the inclusion of assert.h without an actual use of assert.
  85 sc_prohibit_assert_without_use:
  86         @files=$$(grep -l '# *include [<"]assert\.h[>"]' $(C_SOURCES)   \
  87                         | grep '\.[cy]$$') &&                           \
  88         grep -L '\<assert (' $$files                                    \
  89             | grep . &&                                                 \
  90           { echo "$(ME): the above files include <assert.h> but don't use it" \
  91                 1>&2; exit 1; } || :
  92
  93 sc_obsolete_symbols:
  94         @grep -nE '\<(HAVE''_FCNTL_H|O''_NDELAY)\>' $(C_SOURCES) &&     \
  95           { echo '$(ME): do not use HAVE''_FCNTL_H or O''_NDELAY'       \
  96                 1>&2; exit 1; } || :
  97
  98 # Each nonempty line must start with a year number, or a TAB.
  99 sc_changelog:
 100         @grep -n '^[^12 ]' $$(find . -name ChangeLog) &&        \
 101           { echo '$(ME): found unexpected prefix in a ChangeLog' 1>&2;  \
 102             exit 1; } || :
 103
 104 # Collect the names of rules starting with `sc_'.
 105 syntax-check-rules := $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' $(ME))
 106 .PHONY: $(syntax-check-rules)
 107
 108 syntax-check: $(syntax-check-rules)
 109
 110 # Update gettext files.
 111 PACKAGE ?= $(shell basename $(PWD))
 112 POURL = http://www.iro.umontreal.ca/translation/maint/$(PACKAGE)/
 113 PODIR ?= po
 114 refresh-po:
 115         rm -f $(PODIR)/*.po && \
 116         echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \
 117         wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \
 118         echo 'en@boldquot' > $(PODIR)/LINGUAS && \
 119         echo 'en@quot' >> $(PODIR)/LINGUAS && \
 120         ls $(PODIR)/*.po | sed 's/.po//' | sed 's,$(PODIR)/,,' | sort >> $(PODIR)/LINGUAS
 121
 122 INDENT_SOURCES ?= $(C_SOURCES)
 123 .PHONY: indent
 124 indent:
 125         indent $(INDENT_SOURCES)