Disable API tests if dependencies are not met

Add runtime detection of 32bit libraries to prevent build fails.
Signed-off-by: Conny Seidel <conny.seidel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

config-x86-common.mak

@@ -36,8 +36,10 @@ tests-common = $(TEST_DIR)/vmexit.flat $(TEST_DIR)/tsc.flat \
                $(TEST_DIR)/kvmclock_test.flat  $(TEST_DIR)/eventinj.flat \
                $(TEST_DIR)/s3.flat
 
+ifdef API
 tests-common += api/api-sample
 tests-common += api/dirty-log
+endif
 
 tests_and_config = $(TEST_DIR)/*.flat $(TEST_DIR)/unittests.cfg
 

configure

@@ -63,6 +63,22 @@ while [[ "$1" = -* ]]; do
     esac
 done
 
+# check for dependent 32 bit libraries
+cat << EOF > lib_test.c
+#include <stdc++.h>
+#include <boost_thread-mt.h>
+#include <pthread.h>
+
+int main ()
+{}
+EOF
+$cc -m32 -o /dev/null lib_test.c &> /dev/null
+exit=$?
+if [ $exit -eq 0 ]; then
+    api=true
+fi
+rm -f lib_test.c
+
 cat <<EOF > config.mak
 PREFIX=$prefix
 KERNELDIR=$(readlink -f $kerneldir)
@@ -72,4 +88,5 @@ CC=$cross_prefix$cc
 LD=$cross_prefix$ld
 OBJCOPY=$cross_prefix$objcopy
 AR=$cross_prefix$ar
+API=$api
 EOF