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libvirt/Makefile.maint

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# This is reported not to work with make-3.79.1
# ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
ME := Makefile.maint
# Do not save the original name or timestamp in the .tar.gz file.
# Use --rsyncable if available.
gzip_rsyncable := \
$(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null && echo --rsyncable)
GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
VC_LIST = build-aux/vc-list-files
VC_LIST_EXCEPT = \
$(VC_LIST) | if test -f .x-$@; then grep -vEf .x-$@; else grep -v ChangeLog; fi
# Prevent programs like 'sort' from considering distinct strings to be equal.
# Doing it here saves us from having to set LC_ALL elsewhere in this file.
export LC_ALL = C
# Collect the names of rules starting with `sc_'.
syntax-check-rules := $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \
$(srcdir)/$(ME))
.PHONY: $(syntax-check-rules)
local-checks-available = \
po-check copyright-check m4-check author_mark_check \
patch-check strftime-check $(syntax-check-rules) \
makefile_path_separator_check \
makefile-check check-AUTHORS
.PHONY: $(local-checks-available)
local-check := $(filter-out $(local-checks-to-skip), $(local-checks-available))
syntax-check: $(local-check)
# @grep -nE '# *include <(limits|std(def|arg|bool))\.h>' \
# $$(find -type f -name '*.[chly]') && \
# { echo '$(ME): found conditional include' 1>&2; \
# exit 1; } || :
# grep -nE '^# *include <(string|stdlib)\.h>' \
# $(srcdir)/{lib,src}/*.[chy] && \
# { echo '$(ME): FIXME' 1>&2; \
# exit 1; } || :
# FIXME: don't allow `#include .strings\.h' anywhere
sc_avoid_if_before_free:
@$(srcdir)/build-aux/useless-if-before-free \
$(useless_free_options) \
$$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): found useless "if" before "free" above' 1>&2; \
exit 1; } || :
# 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
sc_cast_of_argument_to_free:
@grep -nE '\<free \(\(' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): don'\''t cast free argument' 1>&2; \
exit 1; } || :
sc_cast_of_x_alloc_return_value:
@grep -nE '\*\) *x(m|c|re)alloc\>' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): don'\''t cast x*alloc return value' 1>&2; \
exit 1; } || :
sc_cast_of_alloca_return_value:
@grep -nE '\*\) *alloca\>' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): don'\''t cast alloca return value' 1>&2; \
exit 1; } || :
sc_space_tab:
@grep -n '[ ] ' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): found SPACE-TAB sequence; remove the SPACE' \
1>&2; exit 1; } || :
# Don't use *scanf or the old ato* functions in `real' code.
# They provide no error checking mechanism.
# Instead, use strto* functions.
sc_prohibit_atoi_atof:
@grep -nE '\<([fs]?scanf|ato([filq]|ll))\>' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): do not use *scan''f, ato''f, ato''i, ato''l, ato''ll, ato''q, or ss''canf' \
1>&2; exit 1; } || :
# Use STREQ rather than comparing strcmp == 0, or != 0.
# Similarly, use STREQLEN or STRPREFIX rather than strncmp.
sc_prohibit_strcmp:
@grep -nE '! *str''n?cmp *\(|\<str''n?cmp *\([^)]+\) *==' \
$$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): use STREQ in place of the above uses of str''cmp' \
1>&2; exit 1; } || :
# Using EXIT_SUCCESS as the first argument to error is misleading,
# since when that parameter is 0, error does not exit. Use `0' instead.
sc_error_exit_success:
@grep -nF 'error (EXIT_SUCCESS,' \
$$(find -type f -name '*.[chly]') && \
{ echo '$(ME): found error (EXIT_SUCCESS' 1>&2; \
exit 1; } || :
sc_file_system:
@grep -ni 'file''system' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): found use of "file''system";' \
'rewrite to use "file system"' 1>&2; \
exit 1; } || :
sc_no_have_config_h:
@grep -n '^# *if.*HAVE''_CONFIG_H' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): found use of HAVE''_CONFIG_H; remove' \
1>&2; exit 1; } || :
# Nearly all .c files must include <config.h>.
sc_require_config_h:
@if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
grep -L '^# *include <config\.h>' \
$$($(VC_LIST_EXCEPT) | grep '\.c$$') \
| grep . && \
{ echo '$(ME): the above files do not include <config.h>' \
1>&2; exit 1; } || :; \
else :; \
fi
# To use this "command" macro, you must first define two shell variables:
# h: the header, enclosed in <> or ""
# re: a regular expression that matches IFF something provided by $h is used.
define _header_without_use
h_esc=`echo "$$h"|sed 's/\./\\./'`; \
if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
files=$$(grep -l '^# *include '"$$h_esc" \
$$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \
grep -LE "$$re" $$files | grep . && \
{ echo "$(ME): the above files include $$h but don't use it" \
1>&2; exit 1; } || :; \
else :; \
fi
endef
# Prohibit the inclusion of assert.h without an actual use of assert.
sc_prohibit_assert_without_use:
@h='<assert.h>' re='\<assert *\(' $(_header_without_use)
# Prohibit the inclusion of getopt.h without an actual use.
sc_prohibit_getopt_without_use:
@h='<getopt.h>' re='\<getopt(_long)? *\(' $(_header_without_use)
# Don't include quotearg.h unless you use one of its functions.
sc_prohibit_quotearg_without_use:
@h='"quotearg.h"' re='\<quotearg(_[^ ]+)? *\(' $(_header_without_use)
# Don't include quote.h unless you use one of its functions.
sc_prohibit_quote_without_use:
@h='"quote.h"' re='\<quote(_n)? *\(' $(_header_without_use)
# Prohibit the inclusion of c-ctype.h without an actual use.
sc_prohibit_c_ctype_without_use:
@h='[<"]c-ctype.h[">]' re='\<c_($(ctype_re)) *\(' $(_header_without_use)
# Prohibit the inclusion of <ctype.h>.
sc_prohibit_ctype_h:
@grep -E '^# *include *<ctype\.h>' $$($(VC_LIST_EXCEPT)) && \
{ echo "$(ME): don't use ctype.h; instead, use c-ctype.h" \
1>&2; exit 1; } || :
sc_obsolete_symbols:
@grep -nE '\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \
$$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): do not use HAVE''_FCNTL_H or O''_NDELAY' \
1>&2; exit 1; } || :
# FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
# Each nonempty line must start with a year number, or a TAB.
# Or day-of-week+space.
changelog_entry_header_regexp = \
([12][0-9][0-9][0-9]| .|(Mon|Tue|Wed|Thu|Fri|Sat|Sun) )
sc_changelog:
@grep -Evn '(^$$|^$(changelog_entry_header_regexp))' \
$$(find . -maxdepth 2 -name ChangeLog) && \
{ echo '$(ME): found unexpected prefix in a ChangeLog' 1>&2; \
exit 1; } || :
# Ensure that dd's definition of LONGEST_SYMBOL stays in sync
# with the strings from the two affected variables.
dd_c = $(srcdir)/src/dd.c
sc_dd_max_sym_length:
ifneq ($(wildcard $(dd_c)),)
@len=$$( (sed -n '/conversions\[\] =$$/,/^};/p' $(dd_c);\
sed -n '/flags\[\] =$$/,/^};/p' $(dd_c) ) \
|sed -n '/"/s/^[^"]*"\([^"]*\)".*/\1/p' \
| wc --max-line-length); \
max=$$(sed -n '/^#define LONGEST_SYMBOL /s///p' $(dd_c) \
|tr -d '"' | wc --max-line-length); \
if test "$$len" = "$$max"; then :; else \
echo 'dd.c: LONGEST_SYMBOL is not longest' 1>&2; \
exit 1; \
fi
endif
# Many m4 macros names once began with `jm_'.
# On 2004-04-13, they were all changed to start with gl_ instead.
# Make sure that none are inadvertently reintroduced.
sc_prohibit_jm_in_m4:
@grep -nE 'jm_[A-Z]' \
$$($(VC_LIST) m4 |grep '\.m4$$'; echo /dev/null) && \
{ echo '$(ME): do not use jm_ in m4 macro names' \
1>&2; exit 1; } || :
sc_root_tests:
@if test -d tests \
&& grep check-root tests/Makefile.am>/dev/null 2>&1; then \
t1=sc-root.expected; t2=sc-root.actual; \
grep -nl '^require_root_$$' \
$$($(VC_LIST) tests) |sed s,tests,., |sort > $$t1; \
sed -n 's, cd \([^ ]*\) .*MAKE..check TESTS=\(.*\),./\1/\2,p' \
$(srcdir)/tests/Makefile.am |sort > $$t2; \
diff -u $$t1 $$t2 || diff=1; \
rm -f $$t1 $$t2; \
test "$$diff" \
&& { echo 'tests/Makefile.am: missing check-root action'>&2; \
exit 1; } || :; \
fi
headers_with_interesting_macro_defs = \
exit.h \
fcntl_.h \
fnmatch_.h \
intprops.h \
inttypes_.h \
lchown.h \
openat.h \
stat-macros.h \
stdint_.h
# Create a list of regular expressions matching the names
# of macros that are guaranteed by parts of gnulib to be defined.
.re-defmac:
@(cd $(srcdir)/lib; \
for f in $(headers_with_interesting_macro_defs); do \
test -f $$f && \
sed -n '/^# *define \([^_ (][^ (]*\)[ (].*/s//\1/p' $$f; \
done; \
) | sort -u \
| grep -Ev 'ATTRIBUTE_NORETURN|SIZE_MAX' \
| sed 's/^/^# *define /' \
> $@-t
@mv $@-t $@
# Don't define macros that we already get from gnulib header files.
sc_always_defined_macros: .re-defmac
@if test -f $(srcdir)/src/system.h; then \
trap 'rc=$$?; rm -f .re-defmac; exit $$rc' 0 1 2 3 15; \
grep -f .re-defmac $$($(VC_LIST)) \
&& { echo '$(ME): define the above via some gnulib .h file' \
1>&2; exit 1; } || :; \
fi
# Create a list of regular expressions matching the names
# of files included from system.h. Exclude a couple.
.re-list:
@sed -n '/^# *include /s///p' $(srcdir)/src/system.h \
| grep -Ev 'sys/(param|file)\.h' \
| sed 's/ .*//;;s/^["<]/^# *include [<"]/;s/\.h[">]$$/\\.h[">]/' \
> $@-t
@mv $@-t $@
# Files in src/ should not include directly any of
# the headers already included via system.h.
sc_system_h_headers: .re-list
@if test -f $(srcdir)/src/system.h; then \
trap 'rc=$$?; rm -f .re-list; exit $$rc' 0 1 2 3 15; \
grep -nE -f .re-list \
$$($(VC_LIST) src | \
grep -Ev '((copy|system)\.h|parse-gram\.c)$$') \
&& { echo '$(ME): the above are already included via system.h'\
1>&2; exit 1; } || :; \
fi
sc_sun_os_names:
@grep -nEi \
'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \
$$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): found misuse of Sun OS version numbers' 1>&2; \
exit 1; } || :
sc_the_the:
@grep -ni '\<the ''the\>' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): found use of "the ''the";' 1>&2; \
exit 1; } || :
sc_tight_scope:
$(MAKE) -C src $@
sc_trailing_blank:
@grep -n '[ ]$$' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): found trailing blank(s)' \
1>&2; exit 1; } || :
# Ensure that no C source file uses TABs for indentation.
# Also match *.h.in files, to get libvirt.h.in.
# Exclude files in gnulib, since they're imported.
sc_TAB_in_indentation:
@grep -lE '^ * ' /dev/null \
$$($(VC_LIST_EXCEPT) \
| grep -E '\.[ch](\.in)?$$' \
| grep -v '^gnulib/') && \
{ echo '$(ME): found TAB(s) use for indentation; use spaces' \
1>&2; exit 1; } || :
ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
|isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
sc_avoid_ctype_macros:
@grep -E '\b($(ctype_re)) *\(' /dev/null \
$$($(VC_LIST_EXCEPT)) && \
{ echo "$(ME): don't use ctype macros (use c-ctype.h)" \
1>&2; exit 1; } || :
# Match lines like the following, but where there is only one space
# between the options and the description:
# -D, --all-repeated[=delimit-method] print all duplicate lines\n
longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)?
sc_two_space_separator_in_usage:
@grep -nE '^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \
$$($(VC_LIST_EXCEPT)) && \
{ echo "$(ME): help2man requires at least two spaces between"; \
echo "$(ME): an option and its description"; \
1>&2; exit 1; } || :
msg_gen_function =
msg_gen_function += DISABLE_fprintf
msg_gen_function += virXendError
msg_gen_function += virXMLError
msg_gen_function += virHashError
msg_gen_function += virConfError
msg_gen_function += virTestError
msg_gen_function += virLibConnError
msg_gen_function += virStorageReportError
msg_gen_function += virxmlRpcError
msg_gen_function += virLog
msg_gen_function += qemudLog
msg_gen_function += remoteDispatchError
msg_gen_function += virStorageLog
msg_gen_function += xenXMError
msg_gen_function += ReportError
msg_gen_function += qemudReportError
msg_gen_function += openvzLog
# 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 += error
# msg_gen_function += virXenError
# msg_gen_function += testError
# msg_gen_function += lxcError
func_or := $(shell printf '$(msg_gen_function)'|tr -s '[[:space:]]' '|')
func_re := ($(func_or))
# Look for diagnostics that aren't marked for translation.
# This won't find any for which error's format string is on a separate line.
# The sed filters eliminate false-positives like these:
# _("...: "
# "%s", _("no storage vol w..."
sc_unmarked_diagnostics:
@grep -nE \
'\<$(func_re) \([^"]*"[^"]*[a-z]{3}' $$($(VC_LIST_EXCEPT)) \
| grep -v '_''(' && \
{ echo '$(ME): found unmarked diagnostic(s)' 1>&2; \
exit 1; } || :
@{ grep -nE '\<$(func_re) *\(.*;$$' $$($(VC_LIST_EXCEPT)); \
grep -A1 -nE '\<$(func_re) *\(.*,$$' $$($(VC_LIST_EXCEPT)); } \
| sed 's/_("[^"][^"]*"//;s/[ ]"%s"//' \
| grep '[ ]"' && \
{ echo '$(ME): found unmarked diagnostic(s)' 1>&2; \
exit 1; } || :
sc_prohibit_virBufferAdd_with_string_literal:
@grep -nE '\<virBufferAdd *\([^,]+, *"[^"]' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): use virBufferAddLit, not virBufferAdd,' \
'with a string literal' 1>&2; exit 1; } || :
# Avoid useless parentheses like those in this example:
# #if defined (SYMBOL) || defined (SYM2)
sc_useless_cpp_parens:
@grep -n '^# *if .*defined *(' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): found useless parentheses in cpp directive' \
1>&2; exit 1; } || :
# Require the latest GPL.
sc_GPL_version:
@grep -n 'either ''version [^3]' $$($(VC_LIST_EXCEPT)) && \
{ echo '$(ME): GPL vN, N!=3' 1>&2; exit 1; } || :
# Ensure that the c99-to-c89 patch applies cleanly.
patch-check:
rm -rf src-c89 $@.1 $@.2
cp -a src src-c89
(cd src-c89; patch -p1 -V never --fuzz=0) < src/c99-to-c89.diff \
> $@.1 2>&1
if test "$$REGEN_PATCH" = yes; then \
diff -upr src src-c89 | sed 's,src-c89/,src/,' \
| grep -v '^Only in' > new-diff || : ; fi
grep -v '^patching file ' $@.1 > $@.2 || :
msg=ok; test -s $@.2 && msg='fuzzy patch' || : ; \
rm -f src-c89/*.o || msg='rm failed'; \
$(MAKE) -C src-c89 CFLAGS='-Wdeclaration-after-statement -Werror' \
|| msg='compile failure with extra options'; \
test "$$msg" = ok && rm -rf src-c89 $@.1 $@.2 || echo "$$msg" 1>&2; \
test "$$msg" = ok
# Ensure that date's --help output stays in sync with the info
# documentation for GNU strftime. The only exception is %N,
# which date accepts but GNU strftime does not.
extract_char = sed 's/^[^%][^%]*%\(.\).*/\1/'
strftime-check:
if test -f $(srcdir)/src/date.c; then \
grep '^ %. ' $(srcdir)/src/date.c | sort \
| $(extract_char) > $@-src; \
{ echo N; \
info libc date calendar format | grep '^ `%.'\' \
| $(extract_char); } | sort > $@-info; \
diff -u $@-src $@-info || exit 1; \
rm -f $@-src $@-info; \
fi
check-AUTHORS:
$(MAKE) -C src $@
# Ensure that we use only the standard $(VAR) notation,
# not @...@ in Makefile.am, now that we can rely on automake
# to emit a definition for each substituted variable.
makefile-check:
grep -nE '@[A-Z_0-9]+@' `find . -name Makefile.am` \
&& { echo 'Makefile.maint: use $$(...), not @...@' 1>&2; exit 1; } || :
news-date-check: NEWS
today=`date +%Y-%m-%d`; \
if head NEWS | grep '^\*.* $(VERSION_REGEXP) ('$$today')' \
>/dev/null; then \
:; \
else \
echo "version or today's date is not in NEWS" 1>&2; \
exit 1; \
fi
changelog-check:
if head ChangeLog | grep 'Version $(VERSION_REGEXP)\.$$' \
>/dev/null; then \
:; \
else \
echo "$(VERSION) not in ChangeLog" 1>&2; \
exit 1; \
fi
m4-check:
@grep -n 'AC_DEFUN([^[]' m4/*.m4 \
&& { echo 'Makefile.maint: quote the first arg to AC_DEFUN' 1>&2; \
exit 1; } || :
# Verify that all source files using _() are listed in po/POTFILES.in.
# FIXME: don't hard-code file names below; use a more general mechanism.
po-check:
if test -f po/POTFILES.in; then \
grep -E -v '^(#|$$)' po/POTFILES.in \
| grep -v '^src/false\.c$$' | sort > $@-1; \
files=; \
for file in $$($(VC_LIST_EXCEPT)); do \
case $$file in \
djgpp/* | man/*) continue;; \
*/c99-to-c89.diff) continue;; \
esac; \
case $$file in \
*.[ch]) \
base=`expr " $$file" : ' \(.*\)\..'`; \
{ test -f $$base.l || test -f $$base.y; } && continue;; \
*) continue;; \
esac; \
files="$$files $$file"; \
done; \
grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files \
| sort -u > $@-2; \
diff -u $@-1 $@-2 || exit 1; \
rm -f $@-1 $@-2; \
fi
# In a definition of #define AUTHORS "... and ..." where the RHS contains
# the English word `and', the string must be marked with `N_ (...)' so that
# gettext recognizes it as a string requiring translation.
author_mark_check:
@grep -n '^# *define AUTHORS "[^"]* and ' src/*.c |grep -v ' N_ (' && \
{ echo 'Makefile.maint: enclose the above strings in N_ (...)' 1>&2; \
exit 1; } || :
# Sometimes it is useful to change the PATH environment variable
# in Makefiles. When doing so, it's better not to use the Unix-centric
# path separator of `:', but rather the automake-provided `@PATH_SEPARATOR@'.
# It'd be better to use `find -print0 ...|xargs -0 ...', but less portable,
# and there probably aren't many projects with so many Makefile.am files
# that we'd have to worry about limits on command line length.
msg = 'Makefile.maint: Do not use `:'\'' above; use @PATH_SEPARATOR@ instead'
makefile_path_separator_check:
@grep -n 'PATH=.*:' `find $(srcdir) -name Makefile.am` \
&& { echo $(msg) 1>&2; exit 1; } || :
# Check that `make alpha' will not fail at the end of the process.
writable-files:
if test -d $(release_archive_dir); then :; else \
for file in $(distdir).tar.gz \
$(release_archive_dir)/$(distdir).tar.gz; do \
test -e $$file || continue; \
test -w $$file \
|| { echo ERROR: $$file is not writable; fail=1; }; \
done; \
test "$$fail" && exit 1 || :
fi
v_etc_file = lib/version-etc.c
sample-test = tests/sample-test
texi = doc/$(PACKAGE).texi
# Make sure that the copyright date in $(v_etc_file) is up to date.
# Do the same for the $(sample-test) and the main doc/.texi file.
copyright-check:
@if test -f $(v_etc_file); then \
grep 'enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' $(v_etc_file) \
>/dev/null \
|| { echo 'out of date copyright in $(v_etc_file); update it' 1>&2; \
exit 1; }; \
fi
@if test -f $(sample-test); then \
grep '# Copyright (C) '$$(date +%Y)' Free' $(sample-test) \
>/dev/null \
|| { echo 'out of date copyright in $(sample-test); update it' 1>&2; \
exit 1; }; \
fi
@if test -f $(texi); then \
grep 'Copyright @copyright{} .*'$$(date +%Y)' Free' $(texi) \
>/dev/null \
|| { echo 'out of date copyright in $(texi); update it' 1>&2; \
exit 1; }; \
fi
vc-diff-check:
$(VC) diff > vc-diffs || :
if test -s vc-diffs; then \
cat vc-diffs; \
echo "Some files are locally modified:" 1>&2; \
exit 1; \
else \
rm vc-diffs; \
fi
cvs-check: vc-diff-check
maintainer-distcheck:
$(MAKE) distcheck
$(MAKE) my-distcheck
# Use -Wformat -Werror to detect format-string/arg-list mismatches.
# Also, check for shadowing problems with -Wshadow, and for pointer
# arithmetic problems with -Wpointer-arith.
# These CFLAGS are pretty strict. If you build this target, you probably
# have to have a recent version of gcc and glibc headers.
# The for-loop below ensures that there is a bin/ directory full of all
# of the programs under test (except the few that are required for basic
# Makefile rules), all symlinked to the just-built "false" program.
# This is to ensure that if ever a test neglects to make PATH include
# the build srcdir, these always-failing programs will run.
# Otherwise, it is too easy to test the wrong programs.
# Note that "false" itself is a symlink to true, so it too will malfunction.
TMPDIR ?= /tmp
t=$(TMPDIR)/$(PACKAGE)/test
my-distcheck: $(local-check) check
-rm -rf $(t)
mkdir -p $(t)
GZIP=$(GZIP_ENV) $(AMTAR) -C $(t) -zxf $(distdir).tar.gz
cd $(t)/$(distdir) \
&& ./configure --disable-nls \
&& $(MAKE) CFLAGS='$(warn_cflags)' \
AM_MAKEFLAGS='$(null_AM_MAKEFLAGS)' \
&& $(MAKE) dvi \
&& $(MAKE) distclean
(cd $(t) && mv $(distdir) $(distdir).old \
&& $(AMTAR) -zxf - ) < $(distdir).tar.gz
diff -ur $(t)/$(distdir).old $(t)/$(distdir)
if test -f $(srcdir)/src/c99-to-c89.diff; then \
cd $(t)/$(distdir) \
&& (cd src && patch -V never --fuzz=0 <c99-to-c89.diff) \
&& ./configure --disable-largefile \
CFLAGS='-Werror -ansi -Wno-long-long' \
&& $(MAKE); \
fi
-rm -rf $(t)
@echo "========================"; \
echo "$(distdir).tar.gz is ready for distribution"; \
echo "========================"
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