2 # Copyright (C) 2011-2017 Free Software Foundation, Inc.
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)
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.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Check that automake lex support ensures that lex-generated C
18 # files use correct "#line" directives. Try also with the
19 # 'subdir-object' option enabled.
20 # See also sister test 'yacc-line.sh'.
25 cat >> configure.ac
<< 'END'
26 AC_CONFIG_FILES
([sub
/Makefile
])
34 cat > Makefile.am
<< 'END'
36 bin_PROGRAMS
= foo bar
39 foo_SOURCES
= zardoz.l
40 bar_SOURCES
= dir
/quux.l
41 ## Avoid spurious failures with Solaris make.
42 zardoz.@OBJEXT@
: zardoz.c
43 bar-quux.@OBJEXT@
: bar-quux.c
46 cat > sub
/Makefile.am
<< 'END'
47 AUTOMAKE_OPTIONS
= subdir-objects
48 noinst_PROGRAMS
= foo bar
49 ## We already used $(LEXLIB) above, so try @LEXLIB@ now.
52 foo_SOURCES
= zardoz.l
53 bar_SOURCES
= dir
/quux.l
54 ## Avoid spurious failures with Solaris make.
55 foo-zardoz.@OBJEXT@
: foo-zardoz.c
56 dir
/quux.@OBJEXT@
: dir
/quux.c
59 cat > zardoz.l
<< 'END'
61 #define YY_NO_UNISTD_H 1
69 while (yylex
() != EOF
)
74 /* Avoid possible link errors.
*/
81 cp zardoz.l dir
/quux.l
82 cp zardoz.l sub
/zardoz.l
83 cp zardoz.l sub
/dir
/quux.l
85 c_outputs
='zardoz.c bar-quux.c sub/foo-zardoz.c sub/dir/quux.c'
89 # FIXME: stop disabling the warnings in the 'unsupported' category
90 # FIXME: once the 'subdir-objects' option has been mandatory.
91 $AUTOMAKE -a -Wno-unsupported
93 for vpath
in : false
; do
108 $EGREP 'line|\.l' $c_outputs
110 grep '#.*line.*build.*\.l' $c_outputs && exit 1
111 # Adjusted "#line" should not contain reference to the absolute
113 $EGREP '#.*line *"?/.*\.l' $c_outputs && exit 1
114 # Adjusted "#line" should not contain reference to the default
115 # output file names, e.g., 'lex.yy.c'.
116 grep '#.*line.*lex\.yy' $c_outputs && exit 1
117 # Look out for a silly regression.
118 grep "#.*\.l.*\.l" $c_outputs && exit 1
120 grep '#.*line.*"\.\./zardoz\.l"' zardoz.c
121 grep '#.*line.*"\.\./dir/quux\.l"' bar-quux.c
122 grep '#.*line.*"\.\./\.\./sub/zardoz\.l"' sub
/foo-zardoz.c
123 grep '#.*line.*"\.\./\.\./sub/dir/quux\.l"' sub
/dir
/quux.c
125 grep '#.*line.*"zardoz\.l"' zardoz.c
126 grep '#.*line.*"dir/quux\.l"' bar-quux.c
127 grep '#.*line.*"zardoz\.l"' sub
/foo-zardoz.c
128 grep '#.*line.*"dir/quux\.l"' sub
/dir
/quux.c