我使用 linux, 但对它很不熟..且也不太会用 fortran
若有语焉不详之处请多包涵
我多年前有用一个 codes 计算工作需要的东西
那是用 fortran 写的
当时都可以用
不过最近在 ./configure 之后却无法 make 了（出现错误讯息）
不知道是不是更新了什么 然后又缺了什么东西
以下是 make 之后出现的错误讯息：
gfortran -O2 -I. -o cmb cmbflat.o cmbopen.o driver.o lensing.o subroutines.o params.o recfast.o dverk.o
cmbflat.o: In function `powersflat_':
cmbflat.F:(.text+0x4b6): undefined reference to `_gfortran_pow_r8_i4'
cmbflat.o: In function `finithermo_':
cmbflat.F:(.text+0x1928): undefined reference to `_gfortran_pow_r8_i4'
cmbflat.F:(.text+0x1d32): undefined reference to `_gfortran_pow_r8_i4'
cmbflat.F:(.text+0x2c45): undefined reference to `_gfortran_pow_r8_i4'
cmbflat.F:(.text+0x2dc4): undefined reference to `_gfortran_pow_r8_i4'
cmbflat.o:cmbflat.F:(.text+0x6bcb): more undefined references to `_gfortran_pow_r8_i4' follow
driver.o: In function `MAIN__':
driver.F:(.text+0x2f): undefined reference to `_gfortran_set_std'
driver.F:(.text+0x473): undefined reference to `_gfortran_pow_r8_i4'
driver.F:(.text+0x495): undefined reference to `_gfortran_pow_r8_i4'
lensing.o: In function `splint_v2_':
lensing.f:(.text+0x12f): undefined reference to `_gfortran_pow_r8_i4'
lensing.f:(.text+0x150): undefined reference to `_gfortran_pow_r8_i4'
lensing.o: In function `cllens_':
lensing.f:(.text+0x10e2): undefined reference to `_gfortran_pow_r8_i4'
lensing.o:lensing.f:(.text+0x1116): more undefined references to `_gfortran_pow_r8_i4' follow
collect2: ld returned 1 exit status
make: *** [cmb] Error 1
有人可以解答吗？感谢！

可能include别的程式码时没找到要的档案导致后面要call powersflat没东西可以call

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-lgfortran