1 files changed, 173 insertions, 0 deletions
diff --git a/t/silent-yacc-headers.sh b/t/silent-yacc-headers.sh
new file mode 100755
index 000000000..55ba24700
--- /dev/null
+++ b/t/silent-yacc-headers.sh
@@ -0,0 +1,173 @@
+#!/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 silent-rules mode for Yacc, when yacc-generated headers are
+# involved (i.e., the '-d' option is in *YFLAGS).
+
+required=yacc
+. ./defs || Exit 1
+
+mkdir sub
+
+cat >>configure.ac <<'EOF'
+AM_SILENT_RULES
+AC_PROG_YACC
+AC_PROG_CC
+AC_OUTPUT
+EOF
+
+cat > Makefile.am <<'EOF'
+# Need generic and non-generic rules.
+AM_YFLAGS = -d
+bin_PROGRAMS = foo bar
+foo_SOURCES = parse.y
+bar_SOURCES = $(foo_SOURCES)
+bar_YFLAGS = $(AM_YFLAGS)
+EOF
+
+cat > parse.y <<'EOF'
+%{
+void yyerror (char *s) { return; }
+int yylex (void) { return 0; }
+int main (void) { return 0; }
+%}
+%token EOF
+%%
+fubar : 'f' 'o' 'o' 'b' 'a' 'r' EOF {};
+EOF
+
+$ACLOCAL
+$AUTOMAKE --add-missing
+$AUTOCONF
+
+# Check that the expected non-generic rules has been truly generated.
+# Otherwise, the coverage offered by this test will be weaker then
+# expected and planned.
+$FGREP 'bar-parse.c' Makefile.in
+$FGREP '$(bar_YFLAGS)' Makefile.in
+
+./configure --enable-silent-rules
+
+$MAKE >stdout || { cat stdout; Exit 1; }
+cat stdout
+
+$EGREP ' (-c|-d|-o)' stdout && Exit 1
+$EGREP '(mv|ylwrap) ' stdout && Exit 1
+
+grep 'YACC  *parse\.c' stdout
+grep 'updating  *parse\.h' stdout
+grep 'YACC  *bar-parse\.c' stdout
+grep 'updating  *bar-parse\.h' stdout
+
+grep ' CC  *parse\.' stdout
+grep ' CC  *bar-parse\.' stdout
+grep 'CCLD  *foo' stdout
+grep 'CCLD  *bar' stdout
+
+# Check recovering from header removal.
+rm -f parse.h bar-parse.h
+$MAKE parse.h bar-parse.h >stdout || { cat stdout; Exit 1; }
+cat stdout
+
+$EGREP ' (-c|-d|-o)' stdout && Exit 1
+$EGREP '(mv|ylwrap) ' stdout && Exit 1
+
+grep 'YACC  *parse\.c' stdout
+grep 'updating  *parse\.h' stdout
+grep 'YACC  *bar-parse\.c' stdout
+grep 'updating  *bar-parse\.h' stdout
+
+# Cleaning and then rebuilding with the same V flag (and without
+# removing the generated sources in between) shouldn't trigger a
+# different set of rules.
+$MAKE clean
+
+$MAKE >stdout || { cat stdout; Exit 1; }
+cat stdout
+
+$EGREP ' (-c|-d|-o)' stdout && Exit 1
+$EGREP '(mv|ylwrap) ' stdout && Exit 1
+
+# Don't look for "YACC *.c" and "updating *.h", as yacc shouldn't
+# have been re-run.
+grep ' CC  *parse\.' stdout
+grep ' CC  *bar-parse\.' stdout
+grep 'CCLD  *foo' stdout
+grep 'CCLD  *bar' stdout
+
+# Check recovering from header removal.
+rm -f parse.h bar-parse.h
+$MAKE parse.h bar-parse.h >stdout || { cat stdout; Exit 1; }
+cat stdout
+
+$EGREP ' (-c|-d|-o)' stdout && Exit 1
+$EGREP '(mv|ylwrap) ' stdout && Exit 1
+
+grep 'YACC  *parse\.c' stdout
+grep 'updating  *parse\.h' stdout
+grep 'YACC  *bar-parse\.c' stdout
+grep 'updating  *bar-parse\.h' stdout
+
+# Ensure a truly clean rebuild.
+$MAKE maintainer-clean
+
+./configure --enable-silent-rules
+
+$MAKE V=1 >stdout || { cat stdout; Exit 1; }
+cat stdout
+
+grep ' -c ' stdout
+grep ' -o ' stdout
+grep ' -d ' stdout
+grep 'ylwrap ' stdout
+
+$EGREP '(YACC|CC|CCLD) ' stdout && Exit 1
+
+# Check recovering from header removal.
+rm -f parse.h bar-parse.h
+$MAKE V=1 parse.h bar-parse.h >stdout || { cat stdout; Exit 1; }
+cat stdout
+
+grep ' -d ' stdout
+grep 'ylwrap ' stdout
+
+grep 'YACC' stdout && Exit 1
+
+# Cleaning and then rebuilding with the same V flag (and without
+# removing the generated sources in between) shouldn't trigger a
+# different set of rules.
+$MAKE clean
+
+$MAKE V=1 >stdout || { cat stdout; Exit 1; }
+cat stdout
+
+# Don't look for ylwrap, as probably lex hasn't been re-run.
+grep ' -c ' stdout
+grep ' -o ' stdout
+
+$EGREP '(YACC|CC|CCLD) ' stdout && Exit 1
+
+# Check recovering from header removal.
+rm -f parse.h bar-parse.h
+$MAKE V=1 parse.h bar-parse.h >stdout || { cat stdout; Exit 1; }
+cat stdout
+
+grep ' -d ' stdout
+grep 'ylwrap ' stdout
+
+grep 'YACC' stdout && Exit 1
+
+: