cfg.mk

# Customize Makefile.maint.                           -*- makefile -*-
# Copyright (C) 2008-2019 Red Hat, Inc.
# Copyright (C) 2003-2008 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

# We use .gnulib, not gnulib.
gnulib_dir = $(srcdir)/.gnulib

# List of additional files that we want to pick up in our POTFILES.in
# This is all gnulib files, as well as generated files for RPC code.
generated_files = \
  $(srcdir)/src/*/{remote_daemon,admin_server,log_daemon,lock_daemon}_dispatch_*stubs.h \
  $(srcdir)/src/lxc/{lxc_monitor,lxc_controller}_dispatch.h \
  $(srcdir)/src/remote/*_client_bodies.h \
  $(srcdir)/src/*/*_protocol.[ch] \
  $(srcdir)/gnulib/lib/*.[ch]

# We haven't converted all scripts to using gnulib's init.sh yet.
_test_script_regex = \<\(init\|test-lib\)\.sh\>

# Tests not to run as part of "make distcheck".
local-checks-to-skip = \
  changelog-check \
  makefile-check \
  makefile_path_separator_check \
  patch-check \
  sc_GPL_version \
  sc_always_defined_macros \
  sc_cast_of_alloca_return_value \
  sc_cross_check_PATH_usage_in_tests \
  sc_dd_max_sym_length \
  sc_error_exit_success \
  sc_file_system \
  sc_immutable_NEWS \
  sc_makefile_path_separator_check \
  sc_obsolete_symbols \
  sc_prohibit_S_IS_definition \
  sc_prohibit_atoi_atof \
  sc_prohibit_hash_without_use \
  sc_prohibit_jm_in_m4 \
  sc_prohibit_quote_without_use \
  sc_prohibit_quotearg_without_use \
  sc_prohibit_stat_st_blocks \
  sc_prohibit_undesirable_word_seq \
  sc_root_tests \
  sc_space_tab \
  sc_sun_os_names \
  sc_system_h_headers \
  sc_texinfo_acronym \
  sc_tight_scope \
  sc_two_space_separator_in_usage \
  sc_error_message_uppercase \
  sc_program_name \
  sc_require_test_exit_idiom \
  sc_makefile_check \
  sc_useless_cpp_parens

# Most developers don't run 'make distcheck'.  We want the official
# dist to be secure, but don't want to penalize other developers
# using a distro that has not yet picked up the automake fix.
# FIXME remove this ifeq (making the syntax check unconditional)
# once fixed automake (1.11.6 or 1.12.2+) is more common.
ifeq ($(filter dist%, $(MAKECMDGOALS)), )
local-checks-to-skip +=	sc_vulnerable_makefile_CVE-2012-3386
else
distdir: sc_vulnerable_makefile_CVE-2012-3386.z
endif

# Files that should never cause syntax check failures.
VC_LIST_ALWAYS_EXCLUDE_REGEX = \
  (^(docs/(news(-[0-9]*)?\.html\.in|.*\.patch))|\.(po|fig|gif|ico|png))$$

# Functions like free() that are no-ops on NULL arguments.
useless_free_options = \
  --name=VBOX_UTF16_FREE \
  --name=VBOX_UTF8_FREE \
  --name=VBOX_COM_UNALLOC_MEM \
  --name=VIR_FREE \
  --name=qemuCapsFree \
  --name=qemuMigrationCookieFree \
  --name=qemuMigrationCookieGraphicsFree \
  --name=sexpr_free \
  --name=usbFreeDevice \
  --name=virBandwidthDefFree \
  --name=virBitmapFree \
  --name=virCPUDefFree \
  --name=virCapabilitiesFree \
  --name=virCapabilitiesFreeGuest \
  --name=virCapabilitiesFreeGuestDomain \
  --name=virCapabilitiesFreeGuestFeature \
  --name=virCapabilitiesFreeGuestMachine \
  --name=virCapabilitiesFreeHostNUMACell \
  --name=virCapabilitiesFreeMachines \
  --name=virCgroupFree \
  --name=virCommandFree \
  --name=virConfFreeList \
  --name=virConfFreeValue \
  --name=virDomainActualNetDefFree \
  --name=virDomainChrDefFree \
  --name=virDomainControllerDefFree \
  --name=virDomainDefFree \
  --name=virDomainDeviceDefFree \
  --name=virDomainDiskDefFree \
  --name=virDomainEventCallbackListFree \
  --name=virObjectEventQueueFree \
  --name=virDomainFSDefFree \
  --name=virDomainGraphicsDefFree \
  --name=virDomainHostdevDefFree \
  --name=virDomainInputDefFree \
  --name=virDomainNetDefFree \
  --name=virDomainObjFree \
  --name=virDomainSmartcardDefFree \
  --name=virDomainSnapshotObjFree \
  --name=virDomainSoundDefFree \
  --name=virDomainVideoDefFree \
  --name=virDomainWatchdogDefFree \
  --name=virFileDirectFdFree \
  --name=virHashFree \
  --name=virInterfaceDefFree \
  --name=virInterfaceIpDefFree \
  --name=virInterfaceObjFree \
  --name=virInterfaceProtocolDefFree \
  --name=virJSONValueFree \
  --name=virLastErrFreeData \
  --name=virNetMessageFree \
  --name=virNWFilterDefFree \
  --name=virNWFilterEntryFree \
  --name=virNWFilterHashTableFree \
  --name=virNWFilterIPAddrLearnReqFree \
  --name=virNWFilterIncludeDefFree \
  --name=virNWFilterObjFree \
  --name=virNWFilterRuleDefFree \
  --name=virNWFilterRuleInstFree \
  --name=virNetworkDefFree \
  --name=virNodeDeviceDefFree \
  --name=virNodeDeviceObjFree \
  --name=virObjectUnref \
  --name=virObjectFreeCallback \
  --name=virPCIDeviceFree \
  --name=virSecretDefFree \
  --name=virStorageEncryptionFree \
  --name=virStorageEncryptionSecretFree \
  --name=virStorageFileFreeMetadata \
  --name=virStoragePoolDefFree \
  --name=virStoragePoolObjFree \
  --name=virStoragePoolSourceFree \
  --name=virStorageVolDefFree \
  --name=virThreadPoolFree \
  --name=xmlBufferFree \
  --name=xmlFree \
  --name=xmlFreeDoc \
  --name=xmlFreeNode \
  --name=xmlXPathFreeContext \
  --name=xmlXPathFreeObject

# The following template was generated by this command:
# make ID && aid free|grep '^vi'|sed 's/ .*//;s/^/#   /'
# N virBufferFreeAndReset
# y virCPUDefFree
# y virCapabilitiesFree
# y virCapabilitiesFreeGuest
# y virCapabilitiesFreeGuestDomain
# y virCapabilitiesFreeGuestFeature
# y virCapabilitiesFreeGuestMachine
# y virCapabilitiesFreeHostNUMACell
# y virCapabilitiesFreeMachines
# N virCapabilitiesFreeNUMAInfo FIXME
# y virCgroupFree
# N virConfFree               (diagnoses the "error")
# y virConfFreeList
# y virConfFreeValue
# y virDomainChrDefFree
# y virDomainControllerDefFree
# y virDomainDefFree
# y virDomainDeviceDefFree
# y virDomainDiskDefFree
# y virDomainEventCallbackListFree
# y virDomainEventQueueFree
# y virDomainFSDefFree
# n virDomainFree
# n virDomainFreeName (can't fix -- returns int)
# y virDomainGraphicsDefFree
# y virDomainHostdevDefFree
# y virDomainInputDefFree
# y virDomainNetDefFree
# y virDomainObjFree
# n virDomainSnapshotFree (returns int)
# n virDomainSnapshotFreeName (returns int)
# y virDomainSnapshotObjFree
# y virDomainSoundDefFree
# y virDomainVideoDefFree
# y virDomainWatchdogDefFree
# n virDrvNodeGetCellsFreeMemory (returns int)
# n virDrvNodeGetFreeMemory (returns long long)
# n virFree - dereferences param
# n virFreeError
# n virHashFree (takes 2 args)
# y virInterfaceDefFree
# n virInterfaceFree (returns int)
# n virInterfaceFreeName
# y virInterfaceIpDefFree
# y virInterfaceObjFree
# n virInterfaceObjListFree
# y virInterfaceProtocolDefFree
# y virJSONValueFree
# y virLastErrFreeData
# y virNWFilterDefFree
# y virNWFilterEntryFree
# n virNWFilterFree (returns int)
# y virNWFilterHashTableFree
# y virNWFilterIPAddrLearnReqFree
# y virNWFilterIncludeDefFree
# n virNWFilterFreeName (returns int)
# y virNWFilterObjFree
# n virNWFilterObjListFree FIXME
# y virNWFilterRuleDefFree
# n virNWFilterRuleFreeInstanceData (typedef)
# y virNWFilterRuleInstFree
# y virNetworkDefFree
# n virNetworkFree (returns int)
# n virNetworkFreeName (returns int)
# n virNodeDevCapsDefFree FIXME
# y virNodeDeviceDefFree
# n virNodeDeviceFree (returns int)
# y virNodeDeviceObjFree
# n virNodeDeviceObjListFree FIXME
# n virNodeGetCellsFreeMemory (returns int)
# n virNodeGetFreeMemory (returns non-void)
# y virSecretDefFree
# n virSecretFree (returns non-void)
# n virSecretFreeName (2 args)
# n virSecurityLabelDefFree FIXME
# n virStorageBackendDiskMakeFreeExtent (returns non-void)
# y virStorageEncryptionFree
# y virStorageEncryptionSecretFree
# n virStorageFreeType (enum)
# y virStoragePoolDefFree
# n virStoragePoolFree (returns non-void)
# n virStoragePoolFreeName (returns non-void)
# y virStoragePoolObjFree
# n virStoragePoolObjListFree FIXME
# y virStoragePoolSourceFree
# y virStorageVolDefFree
# n virStorageVolFree (returns non-void)
# n virStorageVolFreeName (returns non-void)
# n virStreamFree

# Avoid uses of write(2).  Either switch to streams (fwrite), or use
# the safewrite wrapper.
sc_avoid_write:
	@prohibit='\<write *\(' \
	in_vc_files='\.c$$' \
	halt='consider using safewrite instead of write' \
	  $(_sc_search_regexp)

# In debug statements, print flags as bitmask and mode_t as octal.
sc_flags_debug:
	@prohibit='\<mode=%[0-9.]*[diuxo]' \
	halt='use \"0%o\" to debug mode_t values' \
	  $(_sc_search_regexp)
	@prohibit='[Ff]lags=%[0-9.]*l*[dioux]' \
	halt='use \"0x%x\" to debug flag values' \
	  $(_sc_search_regexp)

# Prefer 'unsigned int flags', along with checks for unknown flags.
# For historical reasons, we are stuck with 'unsigned long flags' in
# migration, so check for those known 4 instances and no more in public
# API.  Also check that no flags are marked unused, and 'unsigned' should
# appear before any declaration of a flags variable (achieved by
# prohibiting the word prior to the type from ending in anything other
# than d).  The existence of long long, and of documentation about
# flags, makes the regex in the third test slightly harder.
sc_flags_usage:
	@test "$$(cat $(srcdir)/include/libvirt/libvirt-domain.h \
	    $(srcdir)/include/libvirt/virterror.h \
	    $(srcdir)/include/libvirt/libvirt-qemu.h \
	    $(srcdir)/include/libvirt/libvirt-lxc.h \
	    $(srcdir)/include/libvirt/libvirt-admin.h \
	  | $(GREP) -c '\(long\|unsigned\) flags')" != 4 && \
	  { echo '$(ME): new API should use "unsigned int flags"' 1>&2; \
	    exit 1; } || :
	@prohibit=' flags ATTRIBUTE_UNUSED' \
	exclude='virSecurityDomainImageLabelFlags' \
	halt='flags should be checked with virCheckFlags' \
	  $(_sc_search_regexp)
	@prohibit='^[^@]*([^d] (int|long long)|[^dg] long) flags[;,)]' \
	halt='flags should be unsigned' \
	  $(_sc_search_regexp)

# Avoid functions that should only be called via macro counterparts.
sc_prohibit_internal_functions:
	@prohibit='vir(Free|AllocN?|ReallocN|(Insert|Delete)ElementsN|File(Close|Fclose|Fdopen)) *\(' \
	halt='use VIR_ macros instead of internal functions' \
	  $(_sc_search_regexp)

sc_prohibit_raw_virclassnew:
	@prohibit='virClassNew *\(' \
	halt='use VIR_CLASS_NEW instead of virClassNew' \
	  $(_sc_search_regexp)

# Avoid raw malloc and free, except in documentation comments.
sc_prohibit_raw_allocation:
	@prohibit='^.[^*].*\<((m|c|re)alloc|free) *\([^)]' \
	halt='use VIR_ macros from viralloc.h instead of malloc/free' \
	  $(_sc_search_regexp)

# Avoid functions that can lead to double-close bugs.
sc_prohibit_close:
	@prohibit='([^>.]|^)\<[fp]?close *\(' \
	halt='use VIR_{FORCE_}[F]CLOSE instead of [f]close' \
	  $(_sc_search_regexp)
	@prohibit='\<fdopen *\(' \
	halt='use VIR_FDOPEN instead of fdopen' \
	  $(_sc_search_regexp)

# Prefer virCommand for all child processes.
sc_prohibit_fork_wrappers:
	@prohibit='= *\<(fork|popen|system) *\(' \
	halt='use virCommand for child processes' \
	  $(_sc_search_regexp)

# Prefer mkostemp with O_CLOEXEC.
sc_prohibit_mkstemp:
	@prohibit='[^"]\<mkstemps? *\(' \
	halt='use mkostemp with O_CLOEXEC instead of mkstemp' \
	  $(_sc_search_regexp)

# access with X_OK accepts directories, but we can't exec() those.
# access with F_OK or R_OK is okay, though.
sc_prohibit_access_xok:
	@prohibit='access(at)? *\(.*X_OK' \
	halt='use virFileIsExecutable instead of access(,X_OK)' \
	  $(_sc_search_regexp)

# Similar to the gnulib maint.mk rule for sc_prohibit_strcmp
# Use STREQLEN or STRPREFIX rather than comparing strncmp == 0, or != 0.
snp_ = strncmp *\(.+\)
sc_prohibit_strncmp:
	@prohibit='! *strncmp *\(|\<$(snp_) *[!=]=|[!=]= *$(snp_)' \
	exclude=':# *define STR(N?EQLEN|PREFIX)\(' \
	halt='use STREQLEN or STRPREFIX instead of strncmp' \
	  $(_sc_search_regexp)

# strtol and friends are too easy to misuse
sc_prohibit_strtol:
	@prohibit='\bstrto(u?ll?|[ui]max) *\(' \
	exclude='exempt from syntax-check' \
	halt='use virStrToLong_*, not strtol variants' \
	  $(_sc_search_regexp)
	@prohibit='\bstrto[df] *\(' \
	exclude='exempt from syntax-check' \
	halt='use virStrToDouble, not strtod variants' \
	  $(_sc_search_regexp)

# Use virAsprintf rather than as'printf since *strp is undefined on error.
# But for plain %s, virAsprintf is overkill compared to strdup.
sc_prohibit_asprintf:
	@prohibit='\<v?a[s]printf\>' \
	halt='use virAsprintf, not asprintf' \
	  $(_sc_search_regexp)
	@prohibit='virAsprintf.*, *"%s",' \
	halt='use VIR_STRDUP instead of virAsprintf with "%s"' \
	  $(_sc_search_regexp)

sc_prohibit_strdup:
	@prohibit='\<strn?dup\> *\(' \
	halt='use VIR_STRDUP, not strdup' \
	  $(_sc_search_regexp)

# Prefer virSetUIDGID.
sc_prohibit_setuid:
	@prohibit='\<set(re)?[ug]id\> *\(' \
	halt='use virSetUIDGID, not raw set*id' \
	  $(_sc_search_regexp)

# Don't compare *id_t against raw -1.
sc_prohibit_risky_id_promotion:
	@prohibit='\b(user|group|[ug]id) *[=!]= *-' \
	halt='cast -1 to ([ug]id_t) before comparing against id' \
	  $(_sc_search_regexp)

# Use snprintf rather than s'printf, even if buffer is provably large enough,
# since gnulib has more guarantees for snprintf portability
sc_prohibit_sprintf:
	@prohibit='\<[s]printf\>' \
	halt='use snprintf, not sprintf' \
	  $(_sc_search_regexp)

sc_prohibit_readlink:
	@prohibit='\<readlink *\(' \
	halt='use virFileResolveLink, not readlink' \
	  $(_sc_search_regexp)

sc_prohibit_gethostname:
	@prohibit='gethostname *\(' \
	halt='use virGetHostname, not gethostname' \
	  $(_sc_search_regexp)

sc_prohibit_readdir:
	@prohibit='\b(read|close|open)dir *\(' \
	exclude='exempt from syntax-check' \
	halt='use virDirOpen, virDirRead and VIR_DIR_CLOSE' \
	  $(_sc_search_regexp)

sc_prohibit_gettext_noop:
	@prohibit='gettext_noop *\(' \
	halt='use N_, not gettext_noop' \
	  $(_sc_search_regexp)

sc_prohibit_VIR_ERR_NO_MEMORY:
	@prohibit='\<VIR_ERR_NO_MEMORY\>' \
	halt='use virReportOOMError, not VIR_ERR_NO_MEMORY' \
	  $(_sc_search_regexp)

sc_prohibit_PATH_MAX:
	@prohibit='\<PATH_MAX\>' \
	halt='dynamically allocate paths, do not use PATH_MAX' \
	  $(_sc_search_regexp)

include $(srcdir)/Makefile.nonreentrant
sc_prohibit_nonreentrant:
	@prohibit="\\<(${NON_REENTRANT_RE}) *\\(" \
	halt="use re-entrant functions (usually ending with _r)" \
	  $(_sc_search_regexp)

sc_prohibit_select:
	@prohibit='\<select *\(' \
	halt='use poll(), not select()' \
	  $(_sc_search_regexp)

# Prohibit the inclusion of <ctype.h>.
sc_prohibit_ctype_h:
	@prohibit='^# *include  *<ctype\.h>' \
	halt='use c-ctype.h instead of ctype.h' \
	  $(_sc_search_regexp)

# We have our own wrapper for mocking purposes
sc_prohibit_canonicalize_file_name:
	@prohibit='\<canonicalize_file_name\(' \
	exclude='exempt from syntax-check' \
	halt='use virFileCanonicalizePath() instead of canonicalize_file_name()' \
	  $(_sc_search_regexp)

# Insist on correct types for [pug]id.
sc_correct_id_types:
	@prohibit='\<(int|long) *[pug]id\>' \
	exclude='exempt from syntax-check' \
	halt='use pid_t for pid, uid_t for uid, gid_t for gid' \
	  $(_sc_search_regexp)

# "const fooPtr a" is the same as "foo * const a", even though it is
# usually desired to have "foo const *a".  It's easier to just prevent
# the confusing mix of typedef vs. const placement.
# Also requires that all 'fooPtr' typedefs are actually pointers.
sc_forbid_const_pointer_typedef:
	@prohibit='(^|[^"])const \w*Ptr' \
	halt='"const fooPtr var" does not declare what you meant' \
	  $(_sc_search_regexp)
	@prohibit='typedef [^(]+ [^*]\w*Ptr\b' \
	halt='use correct style and type for Ptr typedefs' \
	  $(_sc_search_regexp)

# Forbid sizeof foo or sizeof (foo), require sizeof(foo)
sc_size_of_brackets:
	@prohibit='sizeof\s' \
	halt='use sizeof(foo), not sizeof (foo) or sizeof foo' \
	  $(_sc_search_regexp)

# Ensure that no C source file, docs, or rng schema uses TABs for
# indentation.  Also match *.h.in files, to get libvirt.h.in.  Exclude
# files in gnulib, since they're imported.
space_indent_files=(\.(aug(\.in)?|rng|s?[ch](\.in)?|html.in|py|pl|syms)|(daemon|tools)/.*\.in)
sc_TAB_in_indentation:
	@prohibit='^ *	' \
	in_vc_files='$(space_indent_files)$$' \
	halt='indent with space, not TAB, in C, sh, html, py, syms and RNG schemas' \
	  $(_sc_search_regexp)

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

sc_avoid_ctype_macros:
	@prohibit='\b($(ctype_re)) *\(' \
	in_vc_files='\.[ch]$$' \
	halt='use c-ctype.h instead of ctype macros' \
	  $(_sc_search_regexp)

sc_avoid_strcase:
	@prohibit='\bstrn?case(cmp|str) *\(' \
	halt='use c-strcase.h instead of raw strcase functions' \
	  $(_sc_search_regexp)

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

sc_prohibit_virBufferAsprintf_with_string_literal:
	@prohibit='\<virBufferAsprintf *\([^,]+, *"([^%"\]|\\.|%%)*"\)' \
	halt='use virBufferAddLit, not virBufferAsprintf, with a string literal' \
	  $(_sc_search_regexp)

sc_forbid_manual_xml_indent:
	@prohibit='virBuffer.*" +<' \
	halt='use virBufferAdjustIndent instead of spaces when indenting xml' \
	  $(_sc_search_regexp)

# dirname and basename from <libgen.h> are not required to be thread-safe
sc_prohibit_libgen:
	@prohibit='( (base|dir)name *\(|include .libgen\.h)' \
	halt='use functions from gnulib "dirname.h", not <libgen.h>' \
	  $(_sc_search_regexp)

# raw xmlGetProp requires some nasty casts
sc_prohibit_xmlGetProp:
	@prohibit='\<xmlGetProp *\(' \
	halt='use virXMLPropString, not xmlGetProp' \
	  $(_sc_search_regexp)

# xml(ParseURI|SaveUri) doesn't handle IPv6 URIs well
sc_prohibit_xmlURI:
	@prohibit='\<xml(ParseURI|SaveUri) *\(' \
	halt='use virURI(Parse|Format), not xml(ParseURI|SaveUri)' \
	  $(_sc_search_regexp)

# we don't want old old-style return with parentheses around argument
sc_prohibit_return_as_function:
	@prohibit='\<return *\(([^()]*(\([^()]*\)[^()]*)*)\) *;' \
	halt='avoid extra () with return statements' \
	  $(_sc_search_regexp)

# ATTRIBUTE_UNUSED should only be applied in implementations, not
# header declarations
sc_avoid_attribute_unused_in_header:
	@prohibit='^[^#]*ATTRIBUTE_UNUSED([^:]|$$)' \
	in_vc_files='\.h$$' \
	halt='use ATTRIBUTE_UNUSED in .c rather than .h files' \
	  $(_sc_search_regexp)

sc_prohibit_int_index:
	@prohibit='\<(int|unsigned)\s*\*?index\>(\s|,|;)' \
	halt='use different name than 'index' for declaration' \
	  $(_sc_search_regexp)

sc_prohibit_int_ijk:
	@prohibit='\<(int|unsigned) ([^(=]* )*(i|j|k)\>(\s|,|;)' \
	exclude='exempt from syntax-check' \
	halt='use size_t, not int/unsigned int for loop vars i, j, k' \
	  $(_sc_search_regexp)

sc_prohibit_loop_iijjkk:
	@prohibit='\<(int|unsigned) ([^=]+ )*(ii|jj|kk)\>(\s|,|;)' \
	halt='use i, j, k for loop iterators, not ii, jj, kk' \
	  $(_sc_search_regexp)

# RHEL 5 gcc can't grok "for (int i..."
sc_prohibit_loop_var_decl:
	@prohibit='\<for *\(\w+[ *]+\w+' \
	in_vc_files='\.[ch]$$' \
	halt='declare loop iterators outside the for statement' \
	  $(_sc_search_regexp)

# Use 'bool', not 'int', when assigning true or false
sc_prohibit_int_assign_bool:
	@prohibit='\<int\>.*= *(true|false)' \
	halt='use bool type for boolean values' \
	  $(_sc_search_regexp)

sc_prohibit_unsigned_pid:
	@prohibit='\<unsigned\> [^,=;(]+pid' \
	halt='use signed type for pid values' \
	  $(_sc_search_regexp)

# Many of the function names below came from this filter:
# git grep -B2 '\<_('|grep -E '\.c- *[[:alpha:]_][[:alnum:]_]* ?\(.*[,;]$' \
# |sed 's/.*\.c-  *//'|perl -pe 's/ ?\(.*//'|sort -u \
# |grep -vE '^(qsort|if|close|assert|fputc|free|N_|vir.*GetName|.*Unlock|virNodeListDevices|virHashRemoveEntry|freeaddrinfo|.*[fF]ree|xdrmem_create|xmlXPathFreeObject|virUUIDFormat|openvzSetProgramSentinal|polkit_action_unref)$'

msg_gen_function =
msg_gen_function += VIR_ERROR
msg_gen_function += lxcError
msg_gen_function += regerror
msg_gen_function += vah_error
msg_gen_function += vah_warning
msg_gen_function += virGenericReportError
msg_gen_function += virRaiseError
msg_gen_function += virReportError
msg_gen_function += virReportErrorHelper
msg_gen_function += virReportSystemError
msg_gen_function += xenapiSessionErrorHandler
msg_gen_function += virLastErrorPrefixMessage

# Uncomment the following and run "make syntax-check" to see diagnostics
# that are not yet marked for translation, but that need to be rewritten
# so that they are translatable.
# msg_gen_function += fprintf
# msg_gen_function += testError
# msg_gen_function += vshPrint
# msg_gen_function += vshError

space =
space +=
func_re= ($(subst $(space),|,$(msg_gen_function)))

# Look for diagnostics that aren't marked for translation.
# This won't find any for which error's format string is on a separate line.
# The sed filters eliminate false-positives like these:
#    _("...: "
#    "%s", _("no storage vol w..."
sc_libvirt_unmarked_diagnostics:
	@prohibit='\<$(func_re) *\([^"]*"[^"]*[a-z]{3}' \
	exclude='_\(' \
	halt='found unmarked diagnostic(s)' \
	  $(_sc_search_regexp)
	@{ $(VC_LIST_EXCEPT) | xargs \
		$(GREP)     -nE '\<$(func_re) *\(.*;$$' /dev/null; \
	   $(VC_LIST_EXCEPT) | xargs \
		$(GREP) -A1 -nE '\<$(func_re) *\(.*,$$' /dev/null; } \
	   | $(SED) -E 's/_\("([^\"]|\\.)+"//;s/"%s"//' \
	   | $(GREP) '"' && \
	  { echo '$(ME): found unmarked diagnostic(s)' 1>&2; \
	    exit 1; } || :

# Like the above, but prohibit a newline at the end of a diagnostic.
# This is subject to false positives partly because it naively looks for
# `\n"', which may not be the end of the string, and also because it takes
# two lines of context (the -A2) after the line with the function name.
# FIXME: this rule might benefit from a separate function list, in case
# there are functions to which this one applies but that do not get marked
# diagnostics.
sc_prohibit_newline_at_end_of_diagnostic:
	@$(VC_LIST_EXCEPT) | xargs $(GREP) -A2 -nE \
	    '\<$(func_re) *\(' /dev/null \
	    | $(GREP) '\\n"' \
	  && { echo '$(ME): newline at end of message(s)' 1>&2; \
	    exit 1; } || :

# Look for diagnostics that lack a % in the format string, except that we
# allow VIR_ERROR to do this, and ignore functions that take a single
# string rather than a format argument.
sc_prohibit_diagnostic_without_format:
	@{ $(VC_LIST_EXCEPT) | xargs \
		$(GREP)     -nE '\<$(func_re) *\(.*;$$' /dev/null; \
	   $(VC_LIST_EXCEPT) | xargs \
		$(GREP) -A2 -nE '\<$(func_re) *\(.*,$$' /dev/null; } \
	   | $(SED) -rn -e ':l; /[,"]$$/ {N;b l;}' \
		-e '/(xenapiSessionErrorHandler|vah_(error|warning))/d' \
		-e '/\<$(func_re) *\([^"]*"([^%"]|"\n[^"]*")*"[,)]/p' \
           | $(GREP) -vE 'VIR_ERROR' && \
	  { echo '$(ME): found diagnostic without %' 1>&2; \
	    exit 1; } || :

# The strings "" and "%s" should never be marked for translation.
# Files under tests/ and examples/ should not be translated.
sc_prohibit_useless_translation:
	@prohibit='_\("(%s)?"\)' \
	halt='found useless translation' \
	  $(_sc_search_regexp)
	@prohibit='\<N?_ *\(' \
	in_vc_files='(tests|examples)/' \
	halt='no translations in tests or examples' \
	  $(_sc_search_regexp)

# When splitting a diagnostic across lines, ensure that there is a space
# or \n on one side of the split.
sc_require_whitespace_in_translation:
	@$(VC_LIST_EXCEPT) | xargs $(GREP) -n -A1 '"$$' /dev/null \
	   | $(SED) -ne ':l; /"$$/ {N;b l;}; s/"\n[^"]*"/""/g; s/\\n/ /g' \
		-e '/_(.*[^\ ]""[^\ ]/p' | $(GREP) . && \
	  { echo '$(ME): missing whitespace at line split' 1>&2; \
	    exit 1; } || :

# Enforce recommended preprocessor indentation style.
sc_preprocessor_indentation:
	@if cppi --version >/dev/null 2>&1; then \
	  $(VC_LIST_EXCEPT) | $(GREP) -E '\.[ch](\.in)?$$' | xargs cppi -a -c \
	    || { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
		exit 1; }; \
	else \
	  echo '$(ME): skipping test $@: cppi not installed' 1>&2; \
	fi

# Enforce similar spec file indentation style, by running cppi on a
# (comment-only) C file that mirrors the same layout as the spec file.
sc_spec_indentation:
	@if cppi --version >/dev/null 2>&1; then \
	  for f in $$($(VC_LIST_EXCEPT) | $(GREP) '\.spec\.in$$'); do \
	    $(SED) -e 's|#|// #|; s|%ifn*\(arch\)* |#if a // |' \
		-e 's/%\(else\|endif\|define\)/#\1/' \
		-e 's/^\( *\)\1\1\1#/#\1/' \
		-e 's|^\( *[^#/ ]\)|// \1|; s|^\( */[^/]\)|// \1|' $$f \
	    | cppi -a -c 2>&1 | $(SED) "s|standard input|$$f|"; \
	  done | { if $(GREP) . >&2; then false; else :; fi; } \
	    || { echo '$(ME): incorrect preprocessor indentation' 1>&2; \
		exit 1; }; \
	else \
	  echo '$(ME): skipping test $@: cppi not installed' 1>&2; \
	fi

# Nested conditionals are easier to understand if we enforce that endifs
# can be paired back to the if
sc_makefile_conditionals:
	@prohibit='(else|endif)($$| *#)' \
	in_vc_files='Makefile\.am' \
	halt='match "if FOO" with "endif FOO" in Makefiles' \
	  $(_sc_search_regexp)

# Long lines can be harder to diff; too long, and git send-email chokes.
# For now, only enforce line length on files where we have intentionally
# fixed things and don't want to regress.
sc_prohibit_long_lines:
	@prohibit='.{90}' \
	in_vc_files='\.arg[sv]' \
	halt='Wrap long lines in expected output files' \
	  $(_sc_search_regexp)
	@prohibit='.{80}' \
	in_vc_files='Makefile\.am' \
	halt='Wrap long lines in Makefiles' \
	  $(_sc_search_regexp)

sc_copyright_format:
	@require='Copyright .*Red 'Hat', Inc\.' \
	containing='Copyright .*Red 'Hat \
	halt='Red Hat copyright is missing Inc.' \
	  $(_sc_search_regexp)
	@prohibit='Copyright [^(].*Red 'Hat \
	halt='consistently use (C) in Red Hat copyright' \
	  $(_sc_search_regexp)
	@prohibit='\<RedHat\>' \
	halt='spell Red Hat as two words' \
	  $(_sc_search_regexp)

# Prefer the new URL listing over the old street address listing when
# calling out where to get a copy of the [L]GPL.  Also, while we have
# to ship COPYING (GPL) alongside COPYING.LESSER (LGPL), we want any
# source file that calls out a top-level file to call out the LGPL
# version.  Note that our typical copyright boilerplate refers to the
# license by name, not by reference to a top-level file.
sc_copyright_usage:
	@prohibit=Boston,' MA' \
	halt='Point to <http://www.gnu.org/licenses/>, not an address' \
	  $(_sc_search_regexp)
	@require='COPYING\.LESSER' \
	containing='COPYING' \
	halt='Refer to COPYING.LESSER for LGPL' \
	  $(_sc_search_regexp)
	@prohibit='COPYING\.LIB' \
	halt='Refer to COPYING.LESSER for LGPL' \
	  $(_sc_search_regexp)

# Some functions/macros produce messages intended solely for developers
# and maintainers.  Do not mark them for translation.
sc_prohibit_gettext_markup:
	@prohibit='\<VIR_(WARN|INFO|DEBUG) *\(_\(' \
	halt='do not mark these strings for translation' \
	  $(_sc_search_regexp)

# Our code is divided into modular subdirectories for a reason, and
# lower-level code must not include higher-level headers.
cross_dirs=$(patsubst $(srcdir)/src/%.,%,$(wildcard $(srcdir)/src/*/.))
cross_dirs_re=($(subst / ,/|,$(cross_dirs)))
mid_dirs=access|admin|conf|cpu|locking|logging|rpc|security
sc_prohibit_cross_inclusion:
	@for dir in $(cross_dirs); do \
	  case $$dir in \
	    util/) safe="util";; \
	    access/ | conf/) safe="($$dir|conf|util)";; \
	    cpu/| network/| node_device/| rpc/| security/| storage/) \
	      safe="($$dir|util|conf|storage)";; \
	    xenapi/ | xenconfig/ ) safe="($$dir|util|conf|xen|cpu)";; \
	    *) safe="($$dir|$(mid_dirs)|util)";; \
	  esac; \
	  in_vc_files="^src/$$dir" \
	  prohibit='^# *include .$(cross_dirs_re)' \
	  exclude="# *include .$$safe" \
	  halt='unsafe cross-directory include' \
	    $(_sc_search_regexp) \
	done

# When converting an enum to a string, make sure that we track any new
# elements added to the enum by using a _LAST marker.
sc_require_enum_last_marker:
	@$(VC_LIST_EXCEPT) | xargs \
		$(GREP) -A1 -nE '^[^#]*VIR_ENUM_IMPL *\(' /dev/null \
	   | $(SED) -ne '/VIR_ENUM_IMPL.*,$$/N' \
	     -e '/VIR_ENUM_IMPL[^,]*,[^,]*,[^,]*[^_,][^L,][^A,][^S,][^T,],/p' \
	     -e '/VIR_ENUM_IMPL[^,]*,[^,]\{0,4\},/p' \
	   | $(GREP) . && \
	  { echo '$(ME): enum impl needs _LAST marker on second line' 1>&2; \
	    exit 1; } || :

# In Python files we don't want to end lines with a semicolon like in C
sc_prohibit_semicolon_at_eol_in_python:
	@prohibit='^[^#].*\;$$' \
	in_vc_files='\.py$$' \
	halt='python does not require to end lines with a semicolon' \
	  $(_sc_search_regexp)

# mymain() in test files should use return, not exit, for nicer output
sc_prohibit_exit_in_tests:
	@prohibit='\<exit *\(' \
	in_vc_files='tests/.*\.c$$' \
	halt='use return, not exit(), in tests' \
	  $(_sc_search_regexp)

# Don't include "libvirt/*.h" in "" form.
sc_prohibit_include_public_headers_quote:
	@prohibit='# *include *"libvirt/.*\.h"' \
	in_vc_files='\.[ch]$$' \
	halt='Do not include libvirt/*.h in internal source' \
	  $(_sc_search_regexp)

# Don't include "libvirt/*.h" in <> form. Except for external tools,
# e.g. Python binding, examples and tools subdirectories.
sc_prohibit_include_public_headers_brackets:
	@prohibit='# *include *<libvirt/.*\.h>' \
	in_vc_files='\.[ch]$$' \
	halt='Do not include libvirt/*.h in internal source' \
	  $(_sc_search_regexp)

# <config.h> is only needed in .c files; .h files do not need it since
# .c files must include config.h before any other .h.
sc_prohibit_config_h_in_headers:
	@prohibit='^# *include\>.*config\.h' \
	in_vc_files='\.h$$' \
	halt='headers should not include <config.h>' \
	  $(_sc_search_regexp)

sc_prohibit_unbounded_arrays_in_rpc:
	@prohibit='<>' \
	in_vc_files='\.x$$' \
	halt='Arrays in XDR must have a upper limit set for <NNN>' \
	  $(_sc_search_regexp)

sc_prohibit_atoi:
	@prohibit='\bato(i|f|l|ll|q) *\(' \
	halt='Use virStrToLong* instead of atoi, atol, atof, atoq, atoll' \
	  $(_sc_search_regexp)

sc_prohibit_wrong_filename_in_comment:
	@$(VC_LIST_EXCEPT) | $(GREP) '\.[ch]$$'	| xargs awk 'BEGIN { \
	  fail=0; \
	} FNR < 3 { \
	  n=match($$0, /[[:space:]][^[:space:]]*[.][ch][[:space:]:]/); \
	  if (n > 0) { \
	    A=substr($$0, RSTART+1, RLENGTH-2); \
	    n=split(FILENAME, arr, "/"); \
	    if (A != arr[n]) { \
	      print "in " FILENAME ": " A " mentioned in comments "; \
	      fail=1; \
	    } \
	  } \
	} END { \
	  if (fail == 1) { \
	    exit 1; \
	  } \
	}' || { echo '$(ME): The file name in comments must match the' \
	    'actual file name' 1>&2; exit 1; }

sc_prohibit_virConnectOpen_in_virsh:
	@prohibit='\bvirConnectOpen[a-zA-Z]* *\(' \
	in_vc_files='tools/virsh-.*\.[ch]$$' \
	halt='Use vshConnect() in virsh instead of virConnectOpen*' \
	  $(_sc_search_regexp)

sc_require_space_before_label:
	@prohibit='^(   ?)?[_a-zA-Z0-9]+:$$' \
	in_vc_files='\.[ch]$$' \
	halt='Top-level labels should be indented by one space' \
	  $(_sc_search_regexp)

# Allow for up to three spaces before the label: this is to avoid running
# into situations where neither this rule nor require_space_before_label
# would apply, eg. a line matching ^[a-zA-Z0-9]+ :$
sc_prohibit_space_in_label:
	@prohibit='^ {0,3}[_a-zA-Z0-9]+ +:$$' \
	in_vc_files='\.[ch]$$' \
	halt='There should be no space between label name and colon' \
	  $(_sc_search_regexp)

# Doesn't catch all cases of mismatched braces across if-else, but it helps
sc_require_if_else_matching_braces:
	@prohibit='(  else( if .*\))? {|} else( if .*\))?$$)' \
	in_vc_files='\.[chx]$$' \
	halt='if one side of if-else uses {}, both sides must use it' \
	  $(_sc_search_regexp)

sc_curly_braces_style:
	@if $(VC_LIST_EXCEPT) | $(GREP) '\.[ch]$$' | xargs $(GREP) -nHP \
'^\s*(?!([a-zA-Z_]*for_?each[a-zA-Z_]*) ?\()([_a-zA-Z0-9]+( [_a-zA-Z0-9]+)* ?\()?(\*?[_a-zA-Z0-9]+(,? \*?[_a-zA-Z0-9\[\]]+)+|void)\) ?\{' \
	/dev/null; then \
	  echo '$(ME): Non-K&R style used for curly braces around' \
	    'function body' 1>&2; exit 1; \
	fi; \
	if $(VC_LIST_EXCEPT) | $(GREP) '\.[ch]$$' | xargs \
	    $(GREP) -A1 -En ' ((if|for|while|switch) \(|(else|do)\b)[^{]*$$' \
	    /dev/null | $(GREP) '^[^ ]*- *{'; then \
	  echo '$(ME): Use hanging braces for compound statements' 1>&2; exit 1; \
	fi

sc_prohibit_windows_special_chars_in_filename:
	@$(VC_LIST_EXCEPT) | $(GREP) '[:*?"<>|]' && \
	{ echo '$(ME): Windows special chars in filename not allowed' 1>&2; echo exit 1; } || :

sc_prohibit_mixed_case_abbreviations:
	@prohibit='Pci|Usb|Scsi' \
	in_vc_files='\.[ch]$$' \
	halt='Use PCI, USB, SCSI, not Pci, Usb, Scsi' \
	  $(_sc_search_regexp)

# Require #include <locale.h> in all files that call setlocale()
sc_require_locale_h:
	@require='include.*locale\.h' \
	containing='setlocale *(' \
	halt='setlocale() requires <locale.h>' \
	  $(_sc_search_regexp)

sc_prohibit_empty_first_line:
	@$(VC_LIST_EXCEPT) | xargs awk 'BEGIN { fail=0; } \
	FNR == 1 { if ($$0 == "") { print FILENAME ":1:"; fail=1; } } \
	END { if (fail == 1) { \
	  print "$(ME): Prohibited empty first line" > "/dev/stderr"; \
	} exit fail; }'

sc_prohibit_paren_brace:
	@prohibit='\)\{$$' \
	in_vc_files='\.[chx]$$' \
	halt='Put space between closing parenthesis and opening brace' \
	  $(_sc_search_regexp)

# C guarantees that static variables are zero initialized, and some compilers
# waste space by sticking explicit initializers in .data instead of .bss
sc_prohibit_static_zero_init:
	@prohibit='\bstatic\b.*= *(0[^xX0-9]|NULL|false)' \
	in_vc_files='\.[chx](\.in)?$$' \
	halt='static variables do not need explicit zero initialization'\
	  $(_sc_search_regexp)

# FreeBSD exports the "devname" symbol which produces a warning.
sc_prohibit_devname:
	@prohibit='\bdevname\b' \
	exclude='sc_prohibit_devname' \
	halt='avoid using devname as FreeBSD exports the symbol' \
	  $(_sc_search_regexp)

sc_prohibit_system_error_with_vir_err:
	@prohibit='\bvirReportSystemError *\(VIR_ERR_' \
	halt='do not use virReportSystemError with VIR_ERR_* error codes' \
	  $(_sc_search_regexp)

# Rule to prohibit usage of virXXXFree within library, daemon, remote, etc.
# functions. There's a corresponding exclude to allow usage within tests,
# docs, examples, tools, src/libvirt-*.c, and include/libvirt/libvirt-*.h
sc_prohibit_virXXXFree:
	@prohibit='\bvir(Domain|Network|NodeDevice|StorageVol|StoragePool|Stream|Secret|NWFilter|Interface|DomainSnapshot)Free\b' \
	exclude='sc_prohibit_virXXXFree' \
	halt='avoid using virXXXFree, use virObjectUnref instead' \
	  $(_sc_search_regexp)

sc_prohibit_sysconf_pagesize:
	@prohibit='sysconf\(_SC_PAGESIZE' \
	halt='use virGetSystemPageSize[KB] instead of sysconf(_SC_PAGESIZE)' \
	  $(_sc_search_regexp)

sc_prohibit_virSecurity:
	@$(VC_LIST_EXCEPT) | $(GREP) 'src/qemu/' | \
		$(GREP) -v 'src/qemu/qemu_security' | \
		xargs $(GREP) -Pn 'virSecurityManager(?!Ptr)' /dev/null && \
		{ echo '$(ME): prefer qemuSecurity wrappers' 1>&2; exit 1; } || :

sc_prohibit_pthread_create:
	@prohibit='\bpthread_create\b' \
	exclude='sc_prohibit_pthread_create' \
	halt='avoid using pthread_create, use virThreadCreate instead' \
	  $(_sc_search_regexp)

sc_prohibit_not_streq:
	@prohibit='! *STRN?EQ *\(.*\)' \
	halt='Use STRNEQ instead of !STREQ and STREQ instead of !STRNEQ' \
	  $(_sc_search_regexp)

sc_prohibit_verbose_strcat:
	@prohibit='strncat\([^,]*,\s+([^,]*),\s+strlen\(\1\)\)' \
	in_vc_files='\.[ch]$$' \
	halt='Use strcat(a, b) instead of strncat(a, b, strlen(b))' \
	  $(_sc_search_regexp)

# Ensure that each .c file containing a "main" function also
# calls virGettextInitialize
sc_gettext_init:
	@require='virGettextInitialize *\(' \
	in_vc_files='\.c$$' \
	containing='\<main *(' \
	halt='the above files do not call virGettextInitialize' \
	  $(_sc_search_regexp)

sc_prohibit_obj_free_apis_in_virsh:
	@prohibit='\bvir(Domain|DomainSnapshot)Free\b' \
	in_vc_files='virsh.*\.[ch]$$' \
	exclude='sc_prohibit_obj_free_apis_in_virsh' \
	halt='avoid using virDomain(Snapshot)Free in virsh, use virsh-prefixed wrappers instead' \
	  $(_sc_search_regexp)

https_sites = www.libvirt.org
https_sites += libvirt.org
https_sites += security.libvirt.org
https_sites += qemu.org
https_sites += www.qemu.org
https_sites += wiki.qemu.org
https_sites += linux-kvm.org
https_sites += www.linux-kvm.org

https_re= ($(subst $(space),|,$(https_sites)))

sc_prohibit_http_urls:
	@prohibit='http://$(https_re)' \
	exclude="/schemas/" \
	halt='Links must use https:// protocol' \
	  $(_sc_search_regexp)

sc_prohibit_author:
	@prohibit="(\*|#)\s*(A|a)uthors?:" \
	halt="Author: statements are prohibited in source comments" \
	  $(_sc_search_regexp)

# Alignment is usually achieved through spaces (at least two of them)
# or tabs (at least one of them) right before the trailing backslash
sc_prohibit_backslash_alignment:
	@prohibit='(  |	)\\$$' \
	in_vc_files='*\.([chx]|am|mk)$$' \
	halt='Do not attempt to right-align backslashes' \
	  $(_sc_search_regexp)

# Some syntax rules pertaining to the usage of cleanup macros
# implementing GNU C's cleanup attribute

# Rule to ensure that variables declared using a cleanup macro are
# always initialized.
sc_require_attribute_cleanup_initialization:
	@prohibit='VIR_AUTO((FREE|PTR|UNREF|CLEAN)\(.+\)|CLOSE|STRINGLIST) *[^=]+;' \
	in_vc_files='\.[chx]$$' \
	halt='variable declared with a cleanup macro must be initialized' \
	  $(_sc_search_regexp)

# "class" in headers is not good because by default Vim treats it as a keyword
# Let's prohibit it in source files as well.
sc_prohibit_class:
	@prohibit=' +_?class *;' \
	in_vc_files='\.[chx]$$' \
	halt='use klass instead of class or _class' \
	  $(_sc_search_regexp)

# The dirent "d_type" field is non-portable and even when it
# exists some filesystems will only ever return DT_UNKNOWN.
# This field should only be used by code which is exclusively
# run platforms supporting "d_type" and must expect DT_UNKNOWN.
# We blacklist it to discourage accidental usage which has
# happened many times. Add an exclude rule if it is genuinely
# needed and the above restrictions are acceptable.
sc_prohibit_dirent_d_type:
	@prohibit='(->|\.)d_type' \
	in_vc_files='\.[chx]$$' \
	halt='do not use the d_type field in "struct dirent"' \
	  $(_sc_search_regexp)


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

ifneq ($(_gl-Makefile),)
ifeq (0,$(MAKELEVEL))
  _dry_run_result := $(shell \
      cd '$(srcdir)'; \
      test -d .git || test -f .git || { echo 0; exit; }; \
      $(srcdir)/autogen.sh --dry-run >/dev/null 2>&1; \
      echo $$?; \
  )
  _clean_requested = $(filter %clean,$(MAKECMDGOALS))

  # A return value of 0 means no action is required

  # A return value of 1 means a genuine error has occurred while
  # performing the dry run, and it should be reported so it can
  # be investigated
  ifeq (1,$(_dry_run_result))
    $(info INFO: autogen.sh error, running again to show details)
maint.mk Makefile: _autogen_error
  endif

  # A return value of 2 means that autogen.sh needs to be executed
  # in earnest before building, probably because of gnulib updates.
  # We don't run autogen.sh if the clean target has been invoked,
  # though, as it would be quite pointless
  ifeq (2,$(_dry_run_result)$(_clean_requested))
    $(info INFO: running autogen.sh is required, running it now...)
    $(shell touch $(srcdir)/AUTHORS)
maint.mk Makefile: _autogen
  endif
endif
endif

# It is necessary to call autogen any time gnulib changes.  Autogen
# reruns configure, then we regenerate all Makefiles at once.
.PHONY: _autogen
_autogen:
	$(srcdir)/autogen.sh
	./config.status

.PHONY: _autogen_error
_autogen_error:
	$(srcdir)/autogen.sh --dry-run

ifneq ($(_gl-Makefile),)
syntax-check: spacing-check test-wrap-argv \
	prohibit-duplicate-header mock-noinline group-qemu-caps \
        header-ifdef
	@if ! cppi --version >/dev/null 2>&1; then \
		echo "*****************************************************" >&2; \
		echo "* cppi not installed, some checks have been skipped *" >&2; \
		echo "*****************************************************" >&2; \
	fi
endif

# Don't include duplicate header in the source (either *.c or *.h)
prohibit-duplicate-header:
	$(AM_V_GEN)$(VC_LIST_EXCEPT) | $(GREP) '\.[chx]$$' | xargs \
	$(PERL) -W $(top_srcdir)/build-aux/prohibit-duplicate-header.pl

spacing-check:
	$(AM_V_GEN)$(VC_LIST) | $(GREP) '\.c$$' | xargs \
	$(PERL) $(top_srcdir)/build-aux/check-spacing.pl || \
	  { echo '$(ME): incorrect formatting' 1>&2; exit 1; }

mock-noinline:
	$(AM_V_GEN)$(VC_LIST) | $(GREP) '\.[ch]$$' | xargs \
	$(PERL) $(top_srcdir)/build-aux/mock-noinline.pl

header-ifdef:
	$(AM_V_GEN)$(VC_LIST) | $(GREP) '\.[h]$$' | xargs \
	$(PERL) $(top_srcdir)/build-aux/header-ifdef.pl

test-wrap-argv:
	$(AM_V_GEN)$(VC_LIST) | $(GREP) -E '\.(ldargs|args)' | xargs \
	$(PERL) $(top_srcdir)/tests/test-wrap-argv.pl --check

group-qemu-caps:
	$(AM_V_GEN)$(PERL) $(top_srcdir)/tests/group-qemu-caps.pl --check $(top_srcdir)/

# sc_po_check can fail if generated files are not built first
sc_po_check: \
		$(srcdir)/src/remote/remote_daemon_dispatch_stubs.h \
		$(srcdir)/src/remote/remote_daemon_dispatch_qemu_stubs.h \
		$(srcdir)/src/remote/remote_client_bodies.h \
		$(srcdir)/src/admin/admin_server_dispatch_stubs.h \
		$(srcdir)/src/admin/admin_client.h
$(srcdir)/src/remote/remote_daemon_dispatch_stubs.h: $(srcdir)/src/remote/remote_protocol.x
	$(MAKE) -C src remote/remote_daemon_dispatch_stubs.h
$(srcdir)/src/remote/remote_daemon_dispatch_qemu_stubs.h: $(srcdir)/src/remote/qemu_protocol.x
	$(MAKE) -C src remote/remote_daemon_dispatch_qemu_stubs.h
$(srcdir)/src/remote/remote_client_bodies.h: $(srcdir)/src/remote/remote_protocol.x
	$(MAKE) -C src remote/remote_client_bodies.h
$(srcdir)/src/admin/admin_server_dispatch_stubs.h: $(srcdir)/src/admin/admin_protocol.x
	$(MAKE) -C src admin/admin_server_dispatch_stubs.h
$(srcdir)/src/admin/admin_client.h: $(srcdir)/src/admin/admin_protocol.x
	$(MAKE) -C src admin/admin_client.h

# List all syntax-check exemptions:
exclude_file_name_regexp--sc_avoid_strcase = ^tools/vsh\.h$$

_src1=libvirt-stream|qemu/qemu_monitor|util/vir(command|file|fdstream)|xen/xend_internal|rpc/virnetsocket|lxc/lxc_controller|locking/lock_daemon|logging/log_daemon
_test1=shunloadtest|virnettlscontexttest|virnettlssessiontest|vircgroupmock|commandhelper
exclude_file_name_regexp--sc_avoid_write = \
  ^(src/($(_src1))|tools/virsh-console|tests/($(_test1)))\.c$$

exclude_file_name_regexp--sc_bindtextdomain = .*

exclude_file_name_regexp--sc_gettext_init = ^((tests|examples)/|tools/virt-login-shell.c)

exclude_file_name_regexp--sc_copyright_format = \
	^cfg\.mk$$

exclude_file_name_regexp--sc_copyright_usage = \
  ^COPYING(|\.LESSER)$$

exclude_file_name_regexp--sc_flags_usage = \
  ^(cfg\.mk|docs/|src/util/virnetdevtap\.c$$|tests/((vir(cgroup|pci|test|usb)|nss|qemuxml2argv|qemusecurity)mock|virfilewrapper)\.c$$)

exclude_file_name_regexp--sc_libvirt_unmarked_diagnostics = \
  ^(src/rpc/gendispatch\.pl$$|tests/)

exclude_file_name_regexp--sc_po_check = ^(docs/|src/rpc/gendispatch\.pl$$)

exclude_file_name_regexp--sc_prohibit_VIR_ERR_NO_MEMORY = \
  ^(cfg\.mk|include/libvirt/virterror\.h|src/remote/remote_daemon_dispatch\.c|src/util/virerror\.c|docs/internals/oomtesting\.html\.in)$$

exclude_file_name_regexp--sc_prohibit_PATH_MAX = \
	^cfg\.mk$$

exclude_file_name_regexp--sc_prohibit_access_xok = \
	^(cfg\.mk|src/util/virutil\.c)$$

exclude_file_name_regexp--sc_prohibit_asprintf = \
  ^(cfg\.mk|bootstrap.conf$$|examples/|src/util/virstring\.[ch]$$|tests/vircgroupmock\.c|tools/virt-login-shell\.c$$)

exclude_file_name_regexp--sc_prohibit_strdup = \
  ^(docs/|examples/|src/util/virstring\.c|tests/vir(netserverclient|cgroup)mock.c|tests/commandhelper\.c$$)

exclude_file_name_regexp--sc_prohibit_close = \
  (\.p[yl]$$|\.spec\.in$$|^docs/|^(src/util/virfile\.c|src/libvirt-stream\.c|tests/(vir.+mock\.c|commandhelper\.c|qemusecuritymock\.c))$$)

exclude_file_name_regexp--sc_prohibit_empty_lines_at_EOF = \
  (^tests/(virhostcpu|virpcitest)data/|docs/js/.*\.js|docs/fonts/.*\.woff|\.diff|tests/virconfdata/no-newline\.conf$$)

_src2=src/(util/vircommand|libvirt|lxc/lxc_controller|locking/lock_daemon|logging/log_daemon|remote/remote_daemon)
exclude_file_name_regexp--sc_prohibit_fork_wrappers = \
  (^($(_src2)|tests/testutils)\.c$$)

exclude_file_name_regexp--sc_prohibit_gethostname = ^src/util/vir(util|log)\.c$$

exclude_file_name_regexp--sc_prohibit_internal_functions = \
  ^src/(util/(viralloc|virutil|virfile)\.[hc]|esx/esx_vi\.c)$$

exclude_file_name_regexp--sc_prohibit_raw_virclassnew = \
  ^src/util/virobject\.[hc]$$

exclude_file_name_regexp--sc_prohibit_newline_at_end_of_diagnostic = \
  ^src/rpc/gendispatch\.pl$$

exclude_file_name_regexp--sc_prohibit_nonreentrant = \
  ^((po|tests|examples)/|docs/.*(py|js|html\.in)|run.in$$|tools/wireshark/util/genxdrstub\.pl|tools/virt-login-shell\.c$$)

exclude_file_name_regexp--sc_prohibit_select = \
	^cfg\.mk$$

exclude_file_name_regexp--sc_prohibit_canonicalize_file_name = \
  ^(cfg\.mk|tests/virfilemock\.c)$$

exclude_file_name_regexp--sc_prohibit_raw_allocation = \
  ^(docs/hacking\.html\.in|src/util/viralloc\.[ch]|examples/.*|tests/(securityselinuxhelper|(vircgroup|nss)mock|commandhelper)\.c|tools/wireshark/src/packet-libvirt\.c)$$

exclude_file_name_regexp--sc_prohibit_readlink = \
  ^src/(util/virutil|lxc/lxc_container)\.c$$

exclude_file_name_regexp--sc_prohibit_setuid = ^src/util/virutil\.c|tools/virt-login-shell\.c$$

exclude_file_name_regexp--sc_prohibit_sprintf = \
  ^(cfg\.mk|docs/hacking\.html\.in|.*\.stp|.*\.pl)$$

exclude_file_name_regexp--sc_prohibit_strncpy = ^src/util/virstring\.c$$

exclude_file_name_regexp--sc_prohibit_strtol = ^examples/.*$$

exclude_file_name_regexp--sc_prohibit_xmlGetProp = ^src/util/virxml\.c$$

exclude_file_name_regexp--sc_prohibit_xmlURI = ^src/util/viruri\.c$$

exclude_file_name_regexp--sc_prohibit_return_as_function = \.py$$

exclude_file_name_regexp--sc_require_config_h = \
	^(examples/|tools/virsh-edit\.c$$|tests/virmockstathelpers.c)

exclude_file_name_regexp--sc_require_config_h_first = \
	^(examples/|tools/virsh-edit\.c$$|tests/virmockstathelpers.c)

exclude_file_name_regexp--sc_trailing_blank = \
  /sysinfodata/.*\.data|/virhostcpudata/.*\.cpuinfo|^gnulib/local/.*/.*diff$$

exclude_file_name_regexp--sc_unmarked_diagnostics = \
  ^(docs/apibuild.py|tests/virt-aa-helper-test|docs/js/.*\.js)$$

exclude_file_name_regexp--sc_size_of_brackets = cfg.mk

exclude_file_name_regexp--sc_correct_id_types = \
  (^src/locking/lock_protocol.x$$)

exclude_file_name_regexp--sc_m4_quote_check = m4/virt-lib.m4

exclude_file_name_regexp--sc_prohibit_include_public_headers_quote = \
  ^(src/internal\.h$$|tools/wireshark/src/packet-libvirt.c$$)

exclude_file_name_regexp--sc_prohibit_include_public_headers_brackets = \
  ^(tools/|examples/|include/libvirt/(virterror|libvirt(-(admin|qemu|lxc))?)\.h$$)

exclude_file_name_regexp--sc_prohibit_int_ijk = \
  ^(src/remote_protocol-structs|src/remote/remote_protocol\.x|cfg\.mk|include/libvirt/libvirt.+|src/admin_protocol-structs|src/admin/admin_protocol\.x)$$

exclude_file_name_regexp--sc_prohibit_unsigned_pid = \
  ^(include/libvirt/.*\.h|src/(qemu/qemu_driver\.c|driver-hypervisor\.h|libvirt(-[a-z]*)?\.c|.*\.x|util/vir(polkit|systemd)\.c)|tests/virpolkittest\.c|tools/virsh-domain\.c)$$

exclude_file_name_regexp--sc_avoid_attribute_unused_in_header = \
  ^(src/util/virlog\.h|src/network/bridge_driver\.h)$$

exclude_file_name_regexp--sc_prohibit_mixed_case_abbreviations = \
  ^src/(vbox/vbox_CAPI.*.h|esx/esx_vi.(c|h)|esx/esx_storage_backend_iscsi.c)$$

exclude_file_name_regexp--sc_prohibit_empty_first_line = \
  ^(README|src/esx/README|tests/(vmwarever|virhostcpu)data/.*)$$

exclude_file_name_regexp--sc_prohibit_useless_translation = \
  ^tests/virpolkittest.c

exclude_file_name_regexp--sc_prohibit_devname = \
  ^(tools/virsh.pod|cfg.mk|docs/.*)$$

exclude_file_name_regexp--sc_prohibit_virXXXFree = \
  ^(docs/|tests/|examples/|tools/|cfg.mk|src/test/test_driver.c|src/libvirt_public.syms|include/libvirt/libvirt-(domain|network|nodedev|storage|stream|secret|nwfilter|interface|domain-snapshot).h|src/libvirt-(domain|qemu|network|nodedev|storage|stream|secret|nwfilter|interface|domain-snapshot).c$$)

exclude_file_name_regexp--sc_prohibit_sysconf_pagesize = \
  ^(cfg\.mk|src/util/virutil\.c)$$

exclude_file_name_regexp--sc_prohibit_pthread_create = \
  ^(cfg\.mk|src/util/virthread\.c|tests/.*)$$

exclude_file_name_regexp--sc_prohibit_always-defined_macros = \
  ^tests/virtestmock.c$$

exclude_file_name_regexp--sc_prohibit_readdir = \
  ^(tests/(.*mock|virfilewrapper)\.c|tools/nss/libvirt_nss\.c)$$

exclude_file_name_regexp--sc_prohibit_cross_inclusion = \
  ^(src/util/virclosecallbacks\.h|src/util/virhostdev\.h)$$

exclude_file_name_regexp--sc_prohibit_dirent_d_type = \
  ^(src/util/vircgroup.c)$