t/yflags-conditional.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2017 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 # Check that automake complains about *_YFLAGS variables which have
  18 # conditional content.
  19
  20 . test-init.sh
  21
  22 cat >> configure.ac <<'END'
  23 AC_PROG_CC
  24
  25 # 'YFLAGS' is AC_SUBST'd by AC_PROG_YACC by default, but we
  26 # don't want this, since it might confuse our error messages.
  27 # Also, AM_SUBST_NOTMAKE seems not to help about this.
  28 # So we simply define $(YACC) by hand.
  29 AC_SUBST([YACC], [yacc])
  30
  31 AM_CONDITIONAL([COND], [:])
  32 END
  33
  34 $ACLOCAL
  35
  36 cat > Makefile.am <<'END'
  37 bin_PROGRAMS = foo zardoz
  38 foo_SOURCES = foo.y
  39 zardoz_SOURCES = zardoz.y
  40 if COND
  41 AM_YFLAGS = -v
  42 zardoz_YFLAGS = -v
  43 endif COND
  44 END
  45
  46 cat > Makefile1.am <<'END'
  47 bin_PROGRAMS = foo
  48 foo_SOURCES = foo.y
  49 ## This is a dummy comment to keep line count right.
  50 if COND
  51 YFLAGS = foo
  52 endif COND
  53 END
  54
  55 cat > Makefile2.am <<'END'
  56 bin_PROGRAMS = foo
  57 foo_SOURCES = foo.y
  58 AM_YFLAGS = am_yflags
  59 if COND
  60 YFLAGS = yflags
  61 endif COND
  62 END
  63
  64 cat > Makefile3.am <<'END'
  65 bin_PROGRAMS = foo
  66 foo_SOURCES = foo.y
  67 foo_YFLAGS = foo_yflags
  68 if COND
  69 YFLAGS = yflags
  70 endif COND
  71 END
  72
  73 cat > Makefile4.am <<'END'
  74 bin_PROGRAMS = foo zardoz
  75
  76 foo_SOURCES = foo.y
  77 zardoz_SOURCES = $(foo_SOURCES)
  78
  79 YFLAGS =
  80 AM_YFLAGS = $(COND_VAR1)
  81 zardoz_YFLAGS = $(COND_VAR2:z=r)
  82
  83 COND_VAR2 = foo
  84 if COND
  85 YFLAGS += -v
  86 COND_VAR2 += bar
  87 else !COND
  88 COND_VAR1 = -d
  89 endif !COND
  90 END
  91
  92 cat > Makefile5.am <<'END'
  93 bin_PROGRAMS = foo zardoz
  94 foo_SOURCES = foo.y
  95 zardoz_SOURCES = zardoz.y
  96 YFLAGS = -v
  97 AM_YFLAGS = -v
  98 if COND
  99 zardoz_YFLAGS = -v
 100 endif
 101 END
 102
 103 cat > Makefile6.am <<'END'
 104 bin_PROGRAMS = foo
 105 foo_SOURCES = foo.y
 106 foo_YFLAGS = -v
 107 if COND
 108 quux_YFLAGS = -v
 109 AM_YFLAGS = -v
 110 endif
 111 END
 112
 113 : > ylwrap
 114
 115 LC_ALL=C; export LC_ALL; # For grep regexes below.
 116
 117 AUTOMAKE_fails -Wnone -Wunsupported Makefile
 118 grep '^Makefile\.am:5:.*AM_YFLAGS.* conditional contents' stderr
 119 grep '^Makefile\.am:6:.*zardoz_YFLAGS.* conditional contents' stderr
 120
 121 for i in 1 2 3; do
 122   AUTOMAKE_fails -Wnone -Wunsupported Makefile$i
 123   grep "^Makefile$i\\.am:5:.*[^a-zA-Z0-9_]YFLAGS.* conditional contents" \
 124        stderr
 125 done
 126
 127 AUTOMAKE_fails -Wnone -Wunsupported Makefile4
 128 grep '^Makefile4\.am:6:.*[^a-zA-Z0-9_]YFLAGS.* conditional contents' stderr
 129 grep '^Makefile4\.am:7:.*AM_YFLAGS.* conditional contents' stderr
 130 grep '^Makefile4\.am:8:.*zardoz_YFLAGS.* conditional contents' stderr
 131
 132 # Now let's check we avoid false positives.
 133
 134 # Disable 'gnu' warnings because we override the user variable 'YFLAGS'.
 135 AUTOMAKE_fails -Wno-gnu Makefile5
 136 grep -v '^Makefile5\.am:.*zardoz_YFLAGS' stderr \
 137  | grep -v ': warnings are treated as errors' \
 138  | grep . && exit 1
 139
 140 # Disable 'gnu' warnings because we override the user variable 'YFLAGS'.
 141 $AUTOMAKE -Wno-gnu Makefile6
 142
 143 :