Add configure option to disable running tests. make check will still build

tests, but will not run them.
--with-tests=no to manually disable.  Tests are automatically disabled if
cross-compiling.

configure.ac

@@ -19,6 +19,7 @@ ARABICA_CHECK_CODECVT_SPECIALISATIONS
 ARABICA_CHECK_SOCKETS
 ARABICA_HAS_BOOST([1.33])
 ARABICA_WANT_DOM
+ARABICA_WANT_TESTS
 
 HAS_LIB_ELEPHANT
 

m4/want_tests.m4

@@ -0,0 +1,25 @@
+AC_DEFUN([ARABICA_WANT_TESTS],
+[
+  AC_ARG_WITH([tests],
+              AS_HELP_STRING([--with-tests=yes|no],
+              [Control whether make check runs tests after they are built.  --with-tests=no to disable]),
+              [if test "$withval" = "no"; then
+                 want_tests="no"
+               else
+                 want_tests="yes"
+               fi],
+              [want_tests="yes"])
+  if test "$want_tests" = "no"; then
+    AC_MSG_NOTICE([[Tests disabled.  make check will build the tests but not run them.]])
+  fi
+  if test "$want_tests" = yes; then
+    if test "$cross_compiling" = "maybe"; then
+      AC_MSG_NOTICE([[Are we cross-compiling?  If so, consider --want-tests=no, which means make check will build the tests but not run them.]])
+    fi
+    if test "$cross_compiling" = "yes"; then
+      AC_MSG_NOTICE([[Tests disabled because cross-compiling.  make check will build the tests but not run them.]])
+      want_tests="no"
+    fi
+  fi
+  AM_CONDITIONAL([WANT_TESTS], [test "$want_tests" = "yes"])
+])

tests/DOM/Makefile.am

@@ -3,7 +3,10 @@ check_PROGRAMS = dom_test dom_test_silly
 if HAS_STD_WSTRING
   check_PROGRAMS += dom_test_wide
 endif
-TESTS = $(check_PROGRAMS)
+if WANT_TESTS
+  TESTS = $(check_PROGRAMS)
+endif
+
 
 AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include @PARSER_HEADERS@ $(BOOST_CPPFLAGS)
 LIBARABICA =  $(top_builddir)/src/libarabica.la

tests/SAX/Makefile.am

@@ -3,7 +3,10 @@ check_PROGRAMS = filter_test filter_test_silly
 if HAS_STD_WSTRING
   check_PROGRAMS += filter_test_wide
 endif
-TESTS = $(check_PROGRAMS)
+if WANT_TESTS
+  TESTS = $(check_PROGRAMS)
+endif
+
 
 AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include @PARSER_HEADERS@ $(BOOST_CPPFLAGS)
 LIBARABICA =  $(top_builddir)/src/libarabica.la

tests/Utils/Makefile.am

@@ -3,7 +3,9 @@ check_PROGRAMS = utils_test utils_test_silly
 if HAS_STD_WSTRING
   check_PROGRAMS += utils_test_wide
 endif
-TESTS = $(check_PROGRAMS)
+if WANT_TESTS
+  TESTS = $(check_PROGRAMS)
+endif
 
 AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include @PARSER_HEADERS@ $(BOOST_CPPFLAGS)
 LIBARABICA =  $(top_builddir)/src/libarabica.la

tests/XPath/Makefile.am

@@ -3,7 +3,10 @@ check_PROGRAMS = xpath_test xpath_test_silly
 if HAS_STD_WSTRING
   check_PROGRAMS += xpath_test_wide
 endif
-TESTS = $(check_PROGRAMS)
+if WANT_TESTS
+  TESTS = $(check_PROGRAMS)
+endif
+
 
 AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_builddir)/include @PARSER_HEADERS@ @BOOST_CPPFLAGS@
 LIBARABICA =  $(top_builddir)/src/libarabica.la

tests/XSLT/Makefile.am

@@ -1,6 +1,8 @@
 
 check_PROGRAMS = xslt_test 
-TESTS = $(check_PROGRAMS)
+if WANT_TESTS
+  TESTS = $(check_PROGRAMS)
+endif
 
 ELEPHANT_INCLUDE = @ELEPHANT_INCLUDES@
 LIBELEPHANT = @ELEPHANT_LIBS@