- # We look for the preprocessor symbol __LP64__ indicating
- # 64bit bit long and pointer. sizeof(int) == 32 on HPUX64.
- if gcc -v -E -x c /dev/null 2>&1 | grep __LP64__ > /dev/null; then
+ # We check if the preprocessor symbol __LP64__ is defined...
+ if echo "__LP64__" | gcc -v -E -x c - 2>/dev/null | grep "^__LP64__" 2>&1 > /dev/null; then
+ : # __LP64__ has slipped through, it therefore is not defined
+ else