Position independent wrapper.

* tests/bison: Remove.
* tests/bison.in: New.
* configure.in: Adjust.

tests/Makefile.am

@@ -20,7 +20,7 @@
 
 EXTRA_DIST = atlocal.in bison $(TESTSUITE_AT) testsuite
 
-DISTCLEANFILES       = atconfig atlocal package.m4
+DISTCLEANFILES       = atconfig atlocal bison package.m4
 MAINTAINERCLEANFILES = Makefile.in $(TESTSUITE)
 
 TESTSUITE_AT = \

tests/Makefile.in

@@ -98,7 +98,7 @@ install_sh = @install_sh@
 
 EXTRA_DIST = atlocal.in bison $(TESTSUITE_AT) testsuite
 
-DISTCLEANFILES = atconfig atlocal package.m4
+DISTCLEANFILES = atconfig atlocal bison package.m4
 MAINTAINERCLEANFILES = Makefile.in $(TESTSUITE)
 
 TESTSUITE_AT = \
@@ -112,9 +112,9 @@ AUTOTEST = $(AUTOM4TE) --language=autotest
 subdir = tests
 mkinstalldirs = $(SHELL) $(top_srcdir)/config/mkinstalldirs
 CONFIG_HEADER = $(top_builddir)/config.h
-CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_FILES = bison
 DIST_SOURCES =
-DIST_COMMON = Makefile.am Makefile.in
+DIST_COMMON = Makefile.am Makefile.in bison.in
 all: all-am
 
 .SUFFIXES:
@@ -125,6 +125,8 @@ Makefile:  $(srcdir)/Makefile.in  $(top_builddir)/config.status
 	cd $(top_builddir) && \
 	  CONFIG_HEADERS= CONFIG_LINKS= \
 	  CONFIG_FILES=$(subdir)/$@ $(SHELL) ./config.status
+bison: $(top_builddir)/config.status bison.in
+	cd $(top_builddir) && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= CONFIG_LINKS= $(SHELL) ./config.status
 uninstall-info-am:
 tags: TAGS
 TAGS:

tests/bison

@@ -1,11 +0,0 @@
-#! /bin/sh
-# Wrapper around a non installed bison to make it work as an installed one.
-. ./atconfig
-
-# We want to use the files shipped with Bison.
-BISON_SIMPLE=$top_srcdir/src/bison.simple
-export BISON_SIMPLE
-BISON_HAIRY=$top_srcdir/src/bison.hairy
-export BISON_HAIRY
-
-exec $top_builddir/src/bison ${1+"$@"}

tests/bison.in

@@ -8,4 +8,4 @@ export BISON_SIMPLE
 BISON_HAIRY='@top_srcpath@/src/bison.hairy'
 export BISON_HAIRY
 
-exec '@top_builddir@/src/bison' ${1+"$@"}
+exec '@top_buildpath@/src/bison' ${1+"$@"}