1 # GNU Makefile for gnulib central.
2 # Copyright (C) 2006, 2009-2011 Free Software Foundation, Inc.
4 # Copying and distribution of this file, with or without modification,
5 # in any medium, are permitted without royalty provided the copyright
6 # notice and this notice are preserved.
8 # This Makefile requires the use of GNU make. Some targets require
9 # that you have tools like git, makeinfo and cppi installed.
11 # Required for the use of <(...) below.
14 # Produce some files that are not stored in the repository.
17 # Produce the documentation in readable form.
19 cd doc && $(MAKE) $@ && $(MAKE) mostlyclean
21 # Collect the names of rules starting with `sc_'.
22 syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p'\
25 # Perform some platform independent checks on the gnulib code.
26 check: $(syntax-check-rules)
28 sc_prefer_ac_check_funcs_once:
29 if test -d .git; then \
30 git grep -w -l AC_CHECK_FUNCS modules \
31 && { echo use AC_CHECK_FUNCS_ONCE, not AC_CHECK_FUNCS \
32 in modules/ 1>&2; exit 1; } || : \
35 sc_prohibit_augmenting_PATH_via_TESTS_ENVIRONMENT:
36 if test -d .git; then \
37 url=http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/22874; \
38 git grep '^[ ]*TESTS_ENVIRONMENT += PATH=' modules \
39 && { printf '%s\n' 'Do not augment PATH via TESTS_ENVIRONMENT;' \
40 " see <$$url>" 1>&2; exit 1; } || : \
43 # Files in m4/ that (exceptionally) may use AC_LIBOBJ.
44 # Do not include their ".m4" suffix.
67 allow_AC_LIBOBJ_or := $(shell echo $(allow_AC_LIBOBJ) | tr -s ' ' '|')
69 sc_prohibit_AC_LIBOBJ_in_m4:
70 url=http://article.gmane.org/gmane.comp.lib.gnulib.bugs/26995; \
71 if test -d .git; then \
73 | grep -Ev '^m4/($(allow_AC_LIBOBJ_or))\.m4$$' \
74 | xargs grep '^ *AC_LIBOBJ(' \
75 && { printf '%s\n' 'Do not use AC_LIBOBJ in m4/*.m4;' \
76 "see <$$url>"; exit 1; } || :; \
80 if test -d .git; then \
81 git ls-files|grep '\.in\.h$$' \
82 | xargs grep -l '^@PRAGMA_SYSTEM_HEADER@' \
83 | xargs grep -L '^@PRAGMA_COLUMNS@' \
86 'the files listed above use @PRAGMA_SYSTEM_HEADER@' \
87 'without also using @PRAGMA_COLUMNS@' 1>&2; \
91 # Verify that certain (for now, only Jim Meyering and Eric Blake's)
92 # *.c files are consistently cpp indented.
94 ./gnulib-tool --extract-filelist \
95 $$(cd ./modules; grep -ilrE '(meyering|blake)' .) \
98 | grep -v '/getloadavg\.c$$' \
101 # Ensure that the list of symbols checked for by the
102 # sc_prohibit_intprops_without_use rule match those in the actual file.
103 # Extract the symbols from the .h file and compare with the list of
104 # symbols extracted from the rule in maint.mk.
107 diff -u <(perl -lne '/^# *define ([A-Z]\w+)\(/ and print $$1' $$i|fmt) \
108 <(sed -n /^_intprops_name/,/^_intprops_syms_re/p top/maint.mk \
109 |sed '/^_/d;s/^ //;s/ *\\$$//')
111 # Regenerate some files that are stored in the repository.
114 # MODULES.html is periodically being generated and copied to the web pages at
115 # :ext:USER@cvs.savannah.gnu.org:/web/gnulib/gnulib/
116 # where it then appears at <http://www.gnu.org/software/gnulib/MODULES.html>.
117 MODULES.html: MODULES.html.sh
118 ./MODULES.html.sh > MODULES.html
120 # Run this rule once per year (usually early in January)
121 # to update all FSF copyright year lists here.
122 # We exclude the files listed in srclist.txt (maintained elsewhere)
123 # as well as those in tests/unictype (generated).
124 # Also exclude any file that includes the "GENERATED AUTOMATICALLY" comment,
125 # being careful not to exclude code that merely generates the comment.
126 # Also exclude doc/INSTALL*, since they too are generated.
129 grep -v '^#' config/srclist.txt|grep -v '^$$' \
130 | while read src dst; do \
131 test -f "$$dst" && { echo "$$dst"; continue; }; \
132 test -d "$$dst" || continue; \
133 echo "$$dst"/$$(basename "$$src"); \
135 git ls-files tests/unictype >> $$exempt; \
136 git ls-files doc/INSTALL* >> $$exempt; \
137 git ls-files | grep -vFf $$exempt \
138 | xargs grep -L '^/\*.*GENERATED AUTOMATICALLY' \
139 | UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79 \
140 UPDATE_COPYRIGHT_USE_INTERVALS=1 \
141 xargs build-aux/update-copyright