t/tags-pr12372.sh

   1 #! /bin/sh
   2 # Copyright (C) 2012-2017 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Test to make sure tags are processed also for files with non-standard
  18 # extensions.  See automake bug#12372.
  19
  20 required='cc etags'
  21 . test-init.sh
  22
  23 cat >> configure.ac <<'END'
  24 AC_PROG_CC
  25 AC_CONFIG_FILES([sub/Makefile])
  26 # Fake linking.  Help avoid possible spurious errors from make
  27 # or from the linker; errors that are irrelevant to this test.
  28 AC_SUBST([LINK], ['echo $(CCLD) $(CFLAGS) $(LDFLAGS) -o $@'])
  29 AC_OUTPUT
  30 END
  31
  32 cat > Makefile.am <<'END'
  33 all-local: tags
  34 .pc.o:
  35         sed -e 's/\[/{/' -e 's/\]/}/' $(srcdir)/$*.pc >$*.c
  36         $(CC) $(DEFS) $(CPPFLAGS) $(CFLAGS) -c $*.c
  37         rm -f $*.c
  38
  39 noinst_PROGRAMS = foo
  40 foo_SOURCES = foo-main.pc barbar.c
  41 SUBDIRS = sub
  42 END
  43
  44 mkdir sub
  45 cat > sub/Makefile.am <<'END'
  46 all-local: tags
  47 .pc.o:
  48         sed -e 's/@/a/g' $(srcdir)/$*.pc >$*.c
  49         $(CC) $(DEFS) $(CPPFLAGS) $(CFLAGS) -c $*.c
  50         rm -f $*.c
  51
  52 noinst_PROGRAMS = zap
  53 zap_SOURCES = zardoz.pc
  54 END
  55
  56 echo 'int main(void) [ return bar(1); ]' > foo-main.pc
  57 echo 'int bar(int x) { return !x; }' > barbar.c
  58 echo 'int m@in(void) { return 0; }' > sub/zardoz.pc
  59
  60 $ACLOCAL
  61 $AUTOCONF
  62 $AUTOMAKE
  63
  64 ./configure
  65
  66 # Exuberant Ctags (at least version 5.8) doesn't generate any tags
  67 # for file extensions it doesn't recognize.  This can be fixed by
  68 # using the '--langmap' option.  But we must be careful, because
  69 # etags from Emacs (at least version 23.4) doesn't recognize that
  70 # option.
  71 if etags --help | grep '.*--langmap'; then
  72   run_make ETAGSFLAGS="--langmap=c:+.pc"
  73 else
  74   $MAKE
  75 fi
  76
  77 cat TAGS
  78 cat sub/TAGS
  79 $FGREP foo-main.pc TAGS
  80 $FGREP barbar.c TAGS
  81 $FGREP zardoz.pc sub/TAGS
  82
  83 $MAKE distcheck
  84
  85 :