136 lines
3.2 KiB
Bash
136 lines
3.2 KiB
Bash
#! /bin/sh
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# Copyright (C) 2011-2017 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Check that automake lex support ensures that lex-generated C
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# files use correct "#line" directives. Try also with the
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# 'subdir-object' option enabled.
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# See also sister test 'yacc-line.sh'.
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required='cc lex'
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. test-init.sh
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cat >> configure.ac << 'END'
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AC_CONFIG_FILES([sub/Makefile])
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AC_PROG_CC
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AC_PROG_LEX
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AC_OUTPUT
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END
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mkdir dir sub sub/dir
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cat > Makefile.am << 'END'
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SUBDIRS = sub
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bin_PROGRAMS = foo bar
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LDADD = $(LEXLIB)
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bar_LFLAGS = -v
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foo_SOURCES = zardoz.l
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bar_SOURCES = dir/quux.l
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## Avoid spurious failures with Solaris make.
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zardoz.@OBJEXT@: zardoz.c
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bar-quux.@OBJEXT@: bar-quux.c
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END
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cat > sub/Makefile.am << 'END'
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AUTOMAKE_OPTIONS = subdir-objects
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noinst_PROGRAMS = foo bar
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## We already used $(LEXLIB) above, so try @LEXLIB@ now.
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LDADD = @LEXLIB@
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foo_LFLAGS = -v
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foo_SOURCES = zardoz.l
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bar_SOURCES = dir/quux.l
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## Avoid spurious failures with Solaris make.
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foo-zardoz.@OBJEXT@: foo-zardoz.c
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dir/quux.@OBJEXT@: dir/quux.c
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END
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cat > zardoz.l << 'END'
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%{
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#define YY_NO_UNISTD_H 1
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%}
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%%
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"END" return EOF;
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.
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%%
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int main ()
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{
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while (yylex () != EOF)
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;
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return 0;
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}
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/* Avoid possible link errors. */
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int yywrap (void)
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{
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return 1;
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}
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END
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cp zardoz.l dir/quux.l
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cp zardoz.l sub/zardoz.l
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cp zardoz.l sub/dir/quux.l
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c_outputs='zardoz.c bar-quux.c sub/foo-zardoz.c sub/dir/quux.c'
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$ACLOCAL
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$AUTOCONF
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# FIXME: stop disabling the warnings in the 'unsupported' category
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# FIXME: once the 'subdir-objects' option has been mandatory.
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$AUTOMAKE -a -Wno-unsupported
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for vpath in : false; do
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if $vpath; then
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srcdir=..
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mkdir build
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cd build
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else
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srcdir=.
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fi
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$srcdir/configure
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$MAKE
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# For debugging,
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ls -l . sub sub/dir
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$EGREP 'line|\.l' $c_outputs
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grep '#.*line.*build.*\.l' $c_outputs && exit 1
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# Adjusted "#line" should not contain reference to the absolute
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# srcdir.
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$EGREP '#.*line *"?/.*\.l' $c_outputs && exit 1
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# Adjusted "#line" should not contain reference to the default
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# output file names, e.g., 'lex.yy.c'.
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grep '#.*line.*lex\.yy' $c_outputs && exit 1
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# Look out for a silly regression.
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grep "#.*\.l.*\.l" $c_outputs && exit 1
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if $vpath; then
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grep '#.*line.*"\.\./zardoz\.l"' zardoz.c
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grep '#.*line.*"\.\./dir/quux\.l"' bar-quux.c
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grep '#.*line.*"\.\./\.\./sub/zardoz\.l"' sub/foo-zardoz.c
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grep '#.*line.*"\.\./\.\./sub/dir/quux\.l"' sub/dir/quux.c
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else
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grep '#.*line.*"zardoz\.l"' zardoz.c
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grep '#.*line.*"dir/quux\.l"' bar-quux.c
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grep '#.*line.*"zardoz\.l"' sub/foo-zardoz.c
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grep '#.*line.*"dir/quux\.l"' sub/dir/quux.c
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fi
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cd $srcdir
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done
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:
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