18960N/A dnl on GCC's previous "undefined" behavior, so disable strict-aliasing
18960N/A dnl optimization until we can find and fix all the abuses.
18960N/A dnl XXX This really belongs in AM_CFLAGS.
18960N/A-CFLAGS="$CFLAGS $WARNING_FLAGS -fno-strict-aliasing"
18960N/A+if test "x${GCC}" = "xyes"; then
18960N/A+ CFLAGS="$CFLAGS $WARNING_FLAGS -fno-strict-aliasing"
18960N/A+ CFLAGS="$CFLAGS $WARNING_FLAGS"
18960N/A AC_CHECK_FUNCS([memchr memmove memset regcomp setlocale strchr strcspn strrchr strstr strtol strtoull])