gcc version 4.4.4 20100630 (Red Hat 4.4.4-10) (GCC) (Fedora 12)
Fedora 12 can recognize +:=
But Fedora 17 can't recognize.
Happy := a.o
Happy +:= b.o
gcc version 4.7.2 20120921 (Red Hat 4.7.2-2) (GCC) (Fedora 17)
So Fedora 17 must change another way to do this.
Happy := a.o
Happy := $(Happy) b.o
0 意見:
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