build: New configure option --disable-tests

* configure.ac: Add option --disable-tests.  Print warnings in the
summary.
(DISABLE_TESTS): New am_conditional.
--
GnuPG-bug-id: 4960

Makefile.am

@@ -100,10 +100,15 @@ doc = doc
 else
 doc =
 endif
+if DISABLE_TESTS
+tests =
+else
+tests = tests
+endif
 
 SUBDIRS = m4 common regexp kbx \
           ${gpg} ${sm} ${agent} ${scd} ${g13} ${dirmngr} \
-          tools po ${doc} tests
+          tools po ${doc} ${tests}
 
 dist_doc_DATA = README
 

agent/Makefile.am

@@ -100,7 +100,11 @@ $(PROGRAMS): $(common_libs) $(commonpth_libs) $(pwquery_libs)
 #
 # Module tests
 #
+if DISABLE_TESTS
+TESTS =
+else
 TESTS = t-protect
+endif
 
 t_common_ldadd = $(common_libs)  $(LIBGCRYPT_LIBS) $(GPG_ERROR_LIBS) \
 	          $(LIBINTL) $(LIBICONV) $(NETLIBS)

common/Makefile.am

@@ -28,7 +28,11 @@ if !HAVE_W32CE_SYSTEM
 noinst_LIBRARIES += libsimple-pwquery.a
 endif
 noinst_PROGRAMS = $(module_tests) $(module_maint_tests)
+if DISABLE_TESTS
+TESTS =
+else
 TESTS = $(module_tests)
+endif
 
 BUILT_SOURCES = audit-events.h status-codes.h
 

configure.ac

@@ -1693,6 +1693,16 @@ if test "$run_all_tests" = "yes"; then
             [Defined if "make check" shall run all tests])
 fi
 
+#
+# Configure option --disable-tests
+#
+AC_MSG_CHECKING([whether tests should be run])
+AC_ARG_ENABLE(tests,
+              AC_HELP_STRING([--disable-tests],
+                             [do not run any tests]),
+              run_tests=$enableval, run_tests=yes)
+AC_MSG_RESULT($run_tests)
+
 #
 # We do not want support for the GNUPG_BUILDDIR environment variable
 # in a released version.  However, our regression tests suite requires
@@ -1753,6 +1763,7 @@ AM_CONDITIONAL(BUILD_SYMCRYPTRUN, test "$build_symcryptrun" = "yes")
 AM_CONDITIONAL(BUILD_GPGTAR,      test "$build_gpgtar" = "yes")
 AM_CONDITIONAL(BUILD_WKS_TOOLS,   test "$build_wks_tools" = "yes")
 
+AM_CONDITIONAL(DISABLE_TESTS,       test "$run_tests" != yes)
 AM_CONDITIONAL(ENABLE_CARD_SUPPORT, test "$card_support" = yes)
 AM_CONDITIONAL(NO_TRUST_MODELS,     test "$use_trust_models" = no)
 AM_CONDITIONAL(USE_TOFU,            test "$use_tofu" = yes)
@@ -2041,3 +2052,18 @@ cat <<G10EOF
 
 G10EOF
 fi
+if test "${build_gpg}" != "yes"; then
+cat <<G10EOF
+        Warning: The component "gpg" is used by other components as
+                 well as for the test suite.  You have disabled
+                 this component and thus other things won't work.
+
+G10EOF
+fi
+if test "${run_tests}" != "yes"; then
+cat <<G10EOF
+        Warning: The use of the test suite has been disabled!
+                 This is in almost all cases a bad idea.  Take care.
+
+G10EOF
+fi

dirmngr/Makefile.am

@@ -31,7 +31,11 @@ libexec_PROGRAMS = dirmngr_ldap
 endif
 
 noinst_PROGRAMS = $(module_tests) $(module_net_tests) $(module_maint_tests)
+if DISABLE_TESTS
+TESTS =
+else
 TESTS = $(module_tests) $(module_net_tests)
+endif
 
 AM_CPPFLAGS =
 

g10/Makefile.am

@@ -54,7 +54,11 @@ if MAINTAINER_MODE
 noinst_PROGRAMS += gpgcompose
 endif
 noinst_PROGRAMS += $(module_tests)
+if DISABLE_TESTS
+TESTS =
+else
 TESTS = $(module_tests)
+endif
 TESTS_ENVIRONMENT = \
 	abs_top_srcdir=$(abs_top_srcdir)
 

g13/Makefile.am

@@ -24,7 +24,11 @@ bin_PROGRAMS = g13
 sbin_PROGRAMS = g13-syshelp
 
 noinst_PROGRAMS = $(module_tests)
+if DISABLE_TESTS
+TESTS =
+else
 TESTS = $(module_tests)
+endif
 
 AM_CPPFLAGS =
 

tests/Makefile.am

@@ -1,4 +1,4 @@
-# Makefile.am -tests makefile for libxtime
+# Makefile.am
 #     	Copyright (C) 2002 Free Software Foundation, Inc.
 #
 # This file is part of GnuPG.