UnixBench5.1.3 图形性能测试 ubgears.c:(.text+0x66d): undefined reference to `sincos‘
启动图形性能测试支持GRAPHIC_TESTS=1 make故障gcc -o ./pgms/ubgears -DTIME -Wall -pedantic -ansi -O2 -fomit-frame-pointer -fforce-addr -ffast-math -Wall ./src/ubgears.c -lGL -lXext -lX11/usr/bin/ld: /tmp/ccE1c4UY.o: in function `gear.constprop.1':ubgears.c:(.t