File configure-check.patch of Package tudu

--- configure
+++ configure
@@ -22,7 +22,7 @@
 (exec ${HOST}-${CPP} --help >/dev/null 2>&1)
 [ $? = 0 ] && CPP="${HOST}-${CPP}"
 fi
-(echo "main(){}" | ${CPP}  >/dev/null 2>&1)
+(echo "int main(){}" | ${CPP}  >/dev/null 2>&1)
 if [ $? = 0 ]; then echo ${CPP}; else
 echo "ERROR: ${CPP} cannot parse sources"; fi
 
@@ -280,7 +280,7 @@
 if [ "$?" = 0 ]; then CXX="${HOST}-${CXX}"; fi
 fi
 echo "#include <iostream>" > test.cxx
-echo "main(){ std::cout << 1; }" >> test.cxx
+echo "int main(){ std::cout << 1; }" >> test.cxx
 (exec ${CXX} ${CXXFLAGS} ${LDFLAGS} test.cxx -lstdc++ >/dev/null 2>&1)
 if [ $? = 0 ]; then echo ${CXX}; else
 HAVE_LANG_CXX=0
@@ -300,7 +300,7 @@
 printf "checking for $2... "
 echo > test.c
 echo "#include <${INC}>" >>test.c
-echo "main(){}" >>test.c
+echo "int main(){}" >>test.c
 eval \$${COMPILER} ${CFLAGS} ${CPPFLAGS} ${CXXFLAGS} test.c >/dev/null 2>&1
 if [ $? = 0 ]; then
 	eval ${VAR}=1
@@ -337,7 +337,7 @@
 _CHKLIB_NAME=$2
 _CHKLIB_LIBS=$(echo "-l${_CHKLIB_NAME}" | sed 's,\+, -l,g')
 printf "checking for lib${_CHKLIB_NAME} ... "
-echo "main(){ }" > test.c
+echo "int main(){ }" > test.c
 eval ${S}${COMPILER} ${CFLAGS} ${CPPFLAGS} ${CXXFLAGS} ${LDFLAGS} ${_CHKLIB_LIBS} test.c >/dev/null 2>&1
 if [ $? = 0 ]; then
 	eval ${VAR}=1