1. include/linux/time.h:174: undefined reference to `__aeabi_uldivmod'
此问题是由于arm-2008q3的Gcc 4.3版，进行了代码优化导致。
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--- include/linux/time.h 2008-10-09 19:47:23.000000000 +0200
+++ include/linux/time.h.new 2008-10-09 19:47:54.000000000 +0200
@@ -173,6 +173,10 @@
{
ns += a->tv_nsec;
while(unlikely(ns >= NSEC_PER_SEC)) {
+ /* The following asm() prevents the compiler from
+ * optimising this loop into a modulo operation. */
+ asm("" : "+r"(ns));
+
ns -= NSEC_PER_SEC;
a->tv_sec++;
}
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2.
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