linux - Linux 上为 "Error Unclassifiable statement"

Question

在我的 Linux 集群中使用 gfortran 编译 .for 格式文件。

输入 gfortran -O2 calpuff.for -o calpuff.exe ，发生了一个错误:

Unclassifiable statement

错误

 In file calutils.for:2912
 Included at calpuff.for:2115
   cdeflt=ctext      
 Error: Unclassifiable statement at (1)   

相应的calutil.for显示如下:

c ----------------------------------------
c
      character*132 ctext,cdeflt
c
c --- Microsoft variables
c *** integer*2 iarg,istat
c
c --- HP declaration
c *** external getarg
c *** external iargc
c
c --- The following is for any system without a command line routine
c --- and is also used as a default
       cdeflt=ctext   ## Line 2912
c
c ---------------------------------------- 
c ----------------
## Another subroutine.
c --- Sun compiler
c ----------------
     numargs=IARGC()
     if(numargs.ge.1)then
     call GETARG(1,ctext)
     endif   



### Add another subroutine which are the only code related to `cdeflt`
c --- If no command line arguments, use default
  if(ctext(1:1).eq.' ')ctext=cdeflt   # Line 2954

  return
  end

更新

感谢@Alexander Vogt的提醒，下面的代码是calpuff.for。

c----------------------------------------------------------------------
c --- BRING IN SUBROUTINES for MCHEM=6,7 OPTIONS (API)
      include 'api_chem.for'
      include 'isorropia.for'
c --- BRING IN CALPUFF SYSTEM UTILITY SUBROUTINES
      include 'calutils.for'   ###　This is line 2115
      include 'coordlib.for'
c----------------------------------------------------------------------

cdeflt=ctext 有什么问题吗？ ？有人可以给一些建议吗？

Answer 1

实际错误发生在后面的行中:

c ----------------
c --- Sun compiler
c ----------------
     numargs=IARGC()
     if(numargs.ge.1)then
     call GETARG(1,ctext)
     endif

那里只有五个空格，(至少)六个是必需的。应该是这样的:

c ----------------
c --- Sun compiler
c ----------------
      numargs=IARGC()
      if(numargs.ge.1)then
        call GETARG(1,ctext)
      endif

在固定形式的 Fortran 中，前六列具有特殊含义，不能用于代码。

不幸的是，这(再次)使您​​的问题与 SO 上的许多其他问题重复。