Fix testsuite VPATH builds.

Need to add -I$(srcdir) to all autom4te invocations, otherwise it will
try to find input files only in builddir.

diff --git a/snippet/autotest.mk b/snippet/autotest.mk
index 293a85860976c8a8fd4f97d58c3427733f2acd22..738e321851496ac33b23bc4c05d2af73cdfd4f73 100644 (file)
--- a/snippet/autotest.mk
+++ b/snippet/autotest.mk
@@ -53,14 +53,17 @@ DX_AUTOTEST_ERROR = @:; { \
          printf 'Autoconf package: <https://gnu.org/s/autoconf/>\n'; \
        } 1>&2; false
 
+DX_ATFLAGS = -I$(srcdir) $(ATFLAGS)
+
 testsuite: testsuite.at package.m4
 if !HAVE_AUTOTEST
        $(DX_AUTOTEST_ERROR)
 endif
-       $(AM_V_GEN) $(AUTOTEST) $(ATFLAGS) -p m4_include -o $@.tmp testsuite.at
+       $(AM_V_GEN) $(AUTOTEST) $(DX_ATFLAGS) -p m4_include -o $@.tmp \
+         testsuite.at
        $(AM_V_at) :; { \
-         $(AUTOTEST) $(ATFLAGS) -t m4_include:'$@: $$1' testsuite.at; \
-         $(AUTOTEST) $(ATFLAGS) -t m4_include:'$$1:' testsuite.at; \
+         $(AUTOTEST) $(DX_ATFLAGS) -t m4_include:'$@: $$1' testsuite.at; \
+         $(AUTOTEST) $(DX_ATFLAGS) -t m4_include:'$$1:' testsuite.at; \
        } >$(DEPDIR)/$(@F).P
        $(AM_V_at) mv -f $@.tmp $@
 
@@ -68,7 +71,7 @@ testsuite.deps: testsuite
 if !HAVE_AUTOTEST
        $(DX_AUTOTEST_ERROR)
 endif
-       $(AM_V_GEN) $(AUTOTEST) $(ATFLAGS) -t m4_include:'$$1' -o $@.tmp \
+       $(AM_V_GEN) $(AUTOTEST) $(DX_ATFLAGS) -t m4_include:'$$1' -o $@.tmp \
          testsuite.at
        $(AM_V_at) mv -f $@.tmp $@