File: cfg.mk

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# Customize Makefile.maint.                           -*- makefile -*-
# Copyright (C) 2003-2012 Free Software Foundation, Inc.

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Use alpha.gnu.org for alpha and beta releases.
# Use ftp.gnu.org for major releases.
gnu_ftp_host-alpha = alpha.gnu.org
gnu_ftp_host-beta = alpha.gnu.org
gnu_ftp_host-major = ftp.gnu.org
gnu_rel_host = $(gnu_ftp_host-$(RELEASE_TYPE))

url_dir_list = \
  ftp://$(gnu_rel_host)/gnu/coreutils

# Exclude some filenames.
exclude_file_name_regexp--sc_bindtextdomain = ^(daemon|erlang|examples|tests)/|/test-
exclude_file_name_regexp--sc_error_message_period = ^(generator|php|po-docs)/
exclude_file_name_regexp--sc_prohibit_always-defined_macros = ^examples/|^tests/xml/fake-libvirt-xml\.c|^daemon/guestfsd\.c
exclude_file_name_regexp--sc_prohibit_doubled_word = ^po/
exclude_file_name_regexp--sc_prohibit_empty_lines_at_EOF = ^test-data/|\.patch$|\.png$
exclude_file_name_regexp--sc_prohibit_magic_number_exit = ^(po|po-docs)/|\.pod$|^fuse/guestunmount\.c
exclude_file_name_regexp--sc_prohibit_strcmp = ^(examples|po-docs)/|\.pod$
exclude_file_name_regexp--sc_prohibit_strcmp_and_strncmp = ^(examples|po-docs)/|\.pod$
exclude_file_name_regexp--sc_prohibit_strncpy = ^lib/launch-.*\.c$
exclude_file_name_regexp--sc_require_config_h = ^examples/|^tests/c-api/test-just-header\.c$
exclude_file_name_regexp--sc_require_config_h_first = ^examples/|^tests/c-api/test-just-header\.c$|^python/guestfs-py-byhand\.c$

# Tests not to run as part of "make distcheck".
local-checks-to-skip =			\
  sc_po_check				\
  sc_GPL_version			\
  sc_error_exit_success			\
  sc_file_system			\
  sc_makefile_path_separator_check	\
  sc_obsolete_symbols			\
  sc_prohibit_atoi_atof			\
  sc_prohibit_quote_without_use		\
  sc_prohibit_quotearg_without_use	\
  sc_prohibit_stat_st_blocks		\
  sc_space_tab				\
  sc_two_space_separator_in_usage	\
  sc_error_message_uppercase		\
  sc_program_name			\
  $(disable_temporarily)		\
  sc_useless_cpp_parens			\
  sc_cast_of_argument_to_free

disable_temporarily =			\
  sc_makefile_check			\
  sc_unmarked_diagnostics		\
  sc_prohibit_ctype_h			\
  sc_prohibit_asprintf			\
  sc_avoid_write

# Avoid uses of write(2).  Either switch to streams (fwrite), or use
# the safewrite wrapper.
sc_avoid_write:
	@if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then		\
	  grep '\<write *(' $$($(VC_LIST_EXCEPT) | grep '\.c$$') &&	\
	    { echo "$(ME): the above files use write;"			\
	      " consider using the safewrite wrapper instead"		\
		  1>&2; exit 1; } || :;					\
	else :;								\
	fi

# Use STREQ rather than comparing strcmp == 0, or != 0.
# Similarly, use STREQLEN or STRPREFIX rather than strncmp.
sc_prohibit_strcmp_and_strncmp:
	@grep -nE '! *strn?cmp *\(|\<strn?cmp *\([^)]+\) *=='		\
	    $$($(VC_LIST_EXCEPT))					\
	  | grep -vE ':# *define STREQ(LEN)?\(' &&			\
	  { echo '$(ME): use STREQ(LEN) in place of the above uses of strcmp(strncmp)' \
		1>&2; exit 1; } || :

# Use virAsprintf rather than a'sprintf since *strp is undefined on error.
sc_prohibit_asprintf:
	@re='\<[a]sprintf\>'						\
	msg='use virAsprintf, not a'sprintf				\
	  $(_prohibit_regexp)

# Prohibit the inclusion of <ctype.h>.
sc_prohibit_ctype_h:
	@grep -E '^# *include  *<ctype\.h>' $$($(VC_LIST_EXCEPT)) &&	\
	  { echo "$(ME): don't use ctype.h; instead, use c-ctype.h"	\
		1>&2; exit 1; } || :

ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
|isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper

sc_avoid_ctype_macros:
	@grep -E '\b($(ctype_re)) *\(' /dev/null			\
	     $$($(VC_LIST_EXCEPT)) &&					\
	  { echo "$(ME): don't use ctype macros (use c-ctype.h)"	\
		1>&2; exit 1; } || :

sc_prohibit_virBufferAdd_with_string_literal:
	@prohibit='\<virBufferAdd *\([^,]+, *"[^"]'			\
	halt='use virBufferAddLit, not virBufferAdd, with a string literal' \
	  $(_sc_search_regexp)

# Not only do they fail to deal well with ipv6, but the gethostby*
# functions are also not thread-safe.
sc_prohibit_gethostby:
	@prohibit='\<gethostby(addr|name2?) *\('			\
	halt='use getaddrinfo, not gethostby*'				\
	  $(_sc_search_regexp)

# We don't use this feature of maint.mk.
prev_version_file = /dev/null

ifeq (0,$(MAKELEVEL))
  _curr_status = .git-module-status
  # The sed filter accommodates those who check out on a commit from which
  # no tag is reachable.  In that case, git submodule status prints a "-"
  # in column 1 and does not print a "git describe"-style string after the
  # submodule name.  Contrast these:
  # -b653eda3ac4864de205419d9f41eec267cb89eeb .gnulib
  #  b653eda3ac4864de205419d9f41eec267cb89eeb .gnulib (v0.0-2286-gb653eda)
  # $ cat .git-module-status
  # b653eda3ac4864de205419d9f41eec267cb89eeb
  _submodule_hash = sed 's/^[ +-]//;s/ .*//'
  _update_required := $(shell						\
      actual=$$(git submodule status | $(_submodule_hash));		\
      stamp="$$($(_submodule_hash) $(_curr_status) 2>/dev/null)";	\
      test "$$stamp" = "$$actual"; echo $$?)
  ifeq (1,$(_update_required))
    $(error gnulib update required; run ./autogen.sh first)
  endif
endif