1 files changed, 143 insertions, 0 deletions
diff --git a/t/yflags-conditional.sh b/t/yflags-conditional.sh
new file mode 100755
index 000000000..0cd09d29a
--- /dev/null
+++ b/t/yflags-conditional.sh
@@ -0,0 +1,143 @@
+#! /bin/sh
+# Copyright (C) 2011-2012 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Check that automake complains about *_YFLAGS variables which have
+# conditional content.
+
+. ./defs || Exit 1
+
+cat >> configure.ac <<'END'
+AC_PROG_CC
+
+# 'YFLAGS' is AC_SUBST'd by AC_PROG_YACC by default, but we
+# don't want this, since it might confuse our error messages.
+# Also, AM_SUBST_NOTMAKE seems not to help about this.
+# So we simply define $(YACC) by hand.
+AC_SUBST([YACC], [yacc])
+
+AM_CONDITIONAL([COND], [:])
+END
+
+$ACLOCAL
+
+cat > Makefile.am <<'END'
+bin_PROGRAMS = foo zardoz
+foo_SOURCES = foo.y
+zardoz_SOURCES = zardoz.y
+if COND
+AM_YFLAGS = -v
+zardoz_YFLAGS = -v
+endif COND
+END
+
+cat > Makefile1.am <<'END'
+bin_PROGRAMS = foo
+foo_SOURCES = foo.y
+## This is a dummy comment to keep line count right.
+if COND
+YFLAGS = foo
+endif COND
+END
+
+cat > Makefile2.am <<'END'
+bin_PROGRAMS = foo
+foo_SOURCES = foo.y
+AM_YFLAGS = am_yflags
+if COND
+YFLAGS = yflags
+endif COND
+END
+
+cat > Makefile3.am <<'END'
+bin_PROGRAMS = foo
+foo_SOURCES = foo.y
+foo_YFLAGS = foo_yflags
+if COND
+YFLAGS = yflags
+endif COND
+END
+
+cat > Makefile4.am <<'END'
+bin_PROGRAMS = foo zardoz
+
+foo_SOURCES = foo.y
+zardoz_SOURCES = $(foo_SOURCES)
+
+YFLAGS =
+AM_YFLAGS = $(COND_VAR1)
+zardoz_YFLAGS = $(COND_VAR2:z=r)
+
+COND_VAR2 = foo
+if COND
+YFLAGS += -v
+COND_VAR2 += bar
+else !COND
+COND_VAR1 = -d
+endif !COND
+END
+
+cat > Makefile5.am <<'END'
+bin_PROGRAMS = foo zardoz
+foo_SOURCES = foo.y
+zardoz_SOURCES = zardoz.y
+YFLAGS = -v
+AM_YFLAGS = -v
+if COND
+zardoz_YFLAGS = -v
+endif
+END
+
+cat > Makefile6.am <<'END'
+bin_PROGRAMS = foo
+foo_SOURCES = foo.y
+foo_YFLAGS = -v
+if COND
+quux_YFLAGS = -v
+AM_YFLAGS = -v
+endif
+END
+
+: > ylwrap
+
+LC_ALL=C; export LC_ALL; # For grep regexes below.
+
+AUTOMAKE_fails -Wnone -Wunsupported Makefile
+grep '^Makefile\.am:5:.*AM_YFLAGS.* conditional contents' stderr
+grep '^Makefile\.am:6:.*zardoz_YFLAGS.* conditional contents' stderr
+
+for i in 1 2 3; do
+  AUTOMAKE_fails -Wnone -Wunsupported Makefile$i
+  grep "^Makefile$i\\.am:5:.*[^a-zA-Z0-9_]YFLAGS.* conditional contents" \
+       stderr
+done
+
+AUTOMAKE_fails -Wnone -Wunsupported Makefile4
+grep '^Makefile4\.am:6:.*[^a-zA-Z0-9_]YFLAGS.* conditional contents' stderr
+grep '^Makefile4\.am:7:.*AM_YFLAGS.* conditional contents' stderr
+grep '^Makefile4\.am:8:.*zardoz_YFLAGS.* conditional contents' stderr
+
+# Now let's check we avoid false positives.
+
+# Disable 'gnu' warnings because we override the user variable 'YFLAGS'.
+AUTOMAKE_fails -Wno-gnu Makefile5
+grep -v '^Makefile5\.am:.*zardoz_YFLAGS' stderr \
+ | grep -v ': warnings are treated as errors' \
+ | grep . && Exit 1
+
+# Disable 'gnu' warnings because we override the user variable 'YFLAGS'.
+$AUTOMAKE -Wno-gnu Makefile6
+
+: