cmbfast安装

cmbfast本身程序很小，代码也不长，目前版本4.5.1，已经有好多年没有更新了。下载后./configure，make就可以了。但是这样的操作会产生如下错误：

$ make
f77 -O2   -c -o jlgen.o jlgen.F
jlgen.F: In program `jlgen':
jlgen.F:14:
         include 'cmbfast.inc'
         ^
Unable to open INCLUDE file `cmbfast.inc' at (^)
jlgen.F:18:
         integer l(lmax),i,j,lmo
                   ^
Invalid declaration of or reference to symbol `lmax' at (^) [initially seen at (
^)]
jlgen.F:18:
         integer l(lmax),i,j,lmo
                 1
jlgen.F:21: (continued):
         common /lvalues1/ l,l0,lmo
                           2
Invalid declaration of or reference to symbol `l' at (2) [initially seen at (1)]

jlgen.F: In subroutine `initlval':
jlgen.F:121:
           include 'cmbfast.inc'
           ^
Unable to open INCLUDE file `cmbfast.inc' at (^)
jlgen.F:123:
           integer l(lmax),l0
                   1
jlgen.F:125: (continued):
           common /lvalues1/ l,l0,lmo
                             2
Invalid declaration of or reference to symbol `l' at (2) [initially seen at (1)]

jlgen.F:133:
           include 'lvalues.inc'
           ^
Unable to open INCLUDE file `lvalues.inc' at (^)
jlgen.F:123:
           integer l(lmax),l0
                     1
jlgen.F:136: (continued):
           end
           2
Invalid declaration of or reference to symbol `lmax' at (2) [initially seen at (
1)]
jlgen.F: In subroutine `bjl':
jlgen.F:96: warning:
             call bjl(l(j),x,ajl)
                  1
jlgen.F:140: (continued):
           subroutine bjl(L,x,jl)
                      2
Argument #1 (named `l') of `bjl' is one type at (2) but is some other type at (1
) [info -f g77 M GLOBALS]
make: *** [jlgen.o] Error 1

原因就是g77找不到当前工作目录下的包含文件，解决方法是在添加编译参数“-I./”。可以把这个参数添加在Makefile里面：
FFLAGS    = -O2  改为
FFLAGS    = -O2 -I./

这样就可以顺利编译了。