在Linux中安装pbc，gmp已经安装，版本4.2.1，pbc0.4.12.
gmp安装过程很顺利：./configure; make; make check; make install.
pbc安装过程中：./configure没有问题，但是make阶段，出问题：
/usr/local/include/gmp.h:1711: multiple definition of `__gmpz_perfect_square_p'
.libs/libpbc_la-field.o:/usr/local/include/gmp.h:1711: first defined here
.libs/libpbc_la-extend_printf.o: In function `__gmpz_neg':
/usr/local/include/gmp.h:1698: multiple definition of `__gmpz_neg'
.libs/libpbc_la-field.o:/usr/local/include/gmp.h:1698: first defined here
.libs/libpbc_la-extend_printf.o: In function `__gmpz_abs':
/usr/local/include/gmp.h:1600: multiple definition of `__gmpz_abs'
.libs/libpbc_la-field.o:/usr/local/include/gmp.h:1600: first defined here
collect2: ld returned 1 exit status
make[2]: *** [libpbc.la] Error 1
make[2]: Leaving directory `/home/soft/pbc-0.4.12'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/soft/pbc-0.4.12'
make: *** [all] Error 2
以上累死错误N多，字数要求，这里放不下。Linux终端直接被刷屏，前面的信息完全看不到，这剩下multiple definition.....first defined here...和列出来的代码相似的东西。
