Makefile

   1 # GNU Makefile for gnulib central.
   2 # Copyright (C) 2006, 2009-2011 Free Software Foundation, Inc.
   3 #
   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.
   7
   8 # This Makefile requires the use of GNU make.  Some targets require
   9 # that you have tools like git, makeinfo and cppi installed.
  10
  11 # Produce some files that are not stored in the repository.
  12 all:
  13
  14 # Produce the documentation in readable form.
  15 info html dvi pdf:
  16         cd doc && $(MAKE) $@ && $(MAKE) mostlyclean
  17
  18 # Collect the names of rules starting with `sc_'.
  19 syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p'\
  20                         Makefile))
  21
  22 # Perform some platform independent checks on the gnulib code.
  23 check: $(syntax-check-rules)
  24
  25 sc_prefer_ac_check_funcs_once:
  26         if test -d .git; then                                           \
  27           git grep -w -l AC_CHECK_FUNCS modules                         \
  28             && { echo use AC_CHECK_FUNCS_ONCE, not AC_CHECK_FUNCS       \
  29                    in modules/ 1>&2; exit 1; } || :                     \
  30         else :; fi
  31
  32 sc_prohibit_augmenting_PATH_via_TESTS_ENVIRONMENT:
  33         if test -d .git; then                                           \
  34           url=http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/22874; \
  35           git grep '^[   ]*TESTS_ENVIRONMENT += PATH=' modules          \
  36             && { printf '%s\n' 'Do not augment PATH via TESTS_ENVIRONMENT;' \
  37                  "  see <$$url>" 1>&2; exit 1; } || :                   \
  38         else :; fi
  39
  40 sc_pragma_columns:
  41         if test -d .git; then                                           \
  42           git ls-files|grep '\.in\.h$$'                                 \
  43               | xargs grep -l '^@PRAGMA_SYSTEM_HEADER@'                 \
  44               | xargs grep -L '^@PRAGMA_COLUMNS@'                       \
  45               | grep .                                                  \
  46             && { printf '%s\n'                                          \
  47                    'the files listed above use @PRAGMA_SYSTEM_HEADER@'  \
  48                    'without also using @PRAGMA_COLUMNS@' 1>&2;          \
  49                  exit 1; } || :;                                        \
  50         else :; fi
  51
  52 # Verify that certain (for now, only Jim Meyering and Eric Blake's)
  53 # *.c files are consistently cpp indented.
  54 sc_cpp_indent_check:
  55         ./gnulib-tool --extract-filelist \
  56             $$(cd ./modules; grep -ilrE '(meyering|blake)' .) \
  57           | sort -u \
  58           | grep '\.c$$' \
  59           | grep -v '/getloadavg\.c$$' \
  60           | xargs cppi -c
  61
  62 # Regenerate some files that are stored in the repository.
  63 regen: MODULES.html
  64
  65 # MODULES.html is periodically being generated and copied to the web pages at
  66 # :ext:USER@cvs.savannah.gnu.org:/web/gnulib/gnulib/
  67 # where it then appears at <http://www.gnu.org/software/gnulib/MODULES.html>.
  68 MODULES.html: MODULES.html.sh
  69         ./MODULES.html.sh > MODULES.html
  70
  71 # Run this rule once per year (usually early in January)
  72 # to update all FSF copyright year lists here.
  73 # We exclude the files listed in srclist.txt (maintained elsewhere)
  74 # as well as those in tests/unictype (generated).
  75 # Also exclude any file that includes the "GENERATED AUTOMATICALLY" comment,
  76 # being careful not to exclude code that merely generates the comment.
  77 # Also exclude doc/INSTALL*, since they too are generated.
  78 update-copyright:
  79         exempt=$$(mktemp);                                              \
  80         grep -v '^#' config/srclist.txt|grep -v '^$$'                   \
  81           | while read src dst; do                                      \
  82               test -f "$$dst" && { echo "$$dst"; continue; };           \
  83               test -d "$$dst" || continue;                              \
  84               echo "$$dst"/$$(basename "$$src");                        \
  85             done > $$exempt;                                            \
  86         git ls-files tests/unictype >> $$exempt;                        \
  87         git ls-files doc/INSTALL* >> $$exempt;                          \
  88         git ls-files | grep -vFf $$exempt                               \
  89           | xargs grep -L '^/\*.*GENERATED AUTOMATICALLY'               \
  90           | UPDATE_COPYRIGHT_MAX_LINE_LENGTH=79                         \
  91             UPDATE_COPYRIGHT_USE_INTERVALS=1                            \
  92               xargs build-aux/update-copyright