我有一个非常小的测试C程序，在一个名为的文件中test.c：
#include <math.h>
int main()
{
return 0;
}
如果我尝试使用来编译它icc test.c，我会出现以下错误，似乎在抱怨math.h：
In file included from /usr/include/math.h(420),
from /admin/apps/rhel7/intel/compilers_and_libraries_2017.4.196/linux/compiler/include/math.h(95),
from test.c(1):
/usr/include/bits/mathcalls-helper-functions.h(21): error: identifier "_Float128" is undefined
__MATHDECL_1 (int, __fpclassify,, (_Mdouble_ __value))
^
In file included from /usr/include/math.h(420),
from /admin/apps/rhel7/intel/compilers_and_libraries_2017.4.196/linux/compiler/include/math.h(95),
from test.c(1):
/usr/include/bits/mathcalls-helper-functions.h(25): error: identifier "_Float128" is undefined
__MATHDECL_1 (int, __signbit,, (_Mdouble_ __value))
^
In file included from /usr/include/math.h(420),
from /admin/apps/rhel7/intel/compilers_and_libraries_2017.4.196/linux/compiler/include/math.h(95),
from test.c(1):
/usr/include/bits/mathcalls-helper-functions.h(30): error: identifier "_Float128" is undefined
__MATHDECL_1 (int, __isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
^
In file included from /usr/include/math.h(420),
from /admin/apps/rhel7/intel/compilers_and_libraries_2017.4.196/linux/compiler/include/math.h(95),
from test.c(1):
/usr/include/bits/mathcalls-helper-functions.h(33): error: identifier "_Float128" is undefined
__MATHDECL_1 (int, __finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
^
In file included from /usr/include/math.h(420),
from /admin/apps/rhel7/intel/compilers_and_libraries_2017.4.196/linux/compiler/include/math.h(95),
from test.c(1):
/usr/include/bits/mathcalls-helper-functions.h(36): error: identifier "_Float128" is undefined
__MATHDECL_1 (int, __isnan,, (_Mdouble_ __value)) __attribute__ ((__const__));
^
In file included from /usr/include/math.h(420),
from /admin/apps/rhel7/intel/compilers_and_libraries_2017.4.196/linux/compiler/include/math.h(95),
from test.c(1):
/usr/include/bits/mathcalls-helper-functions.h(39): error: identifier "_Float128" is undefined
__MATHDECL_1 (int, __iseqsig,, (_Mdouble_ __x, _Mdouble_ __y));
^
In file included from /usr/include/math.h(420),
from /admin/apps/rhel7/intel/compilers_and_libraries_2017.4.196/linux/compiler/include/math.h(95),
from test.c(1):
/usr/include/bits/mathcalls-helper-functions.h(39): error: identifier "_Float128" is undefined
__MATHDECL_1 (int, __iseqsig,, (_Mdouble_ __x, _Mdouble_ __y));
^
In file included from /usr/include/math.h(420),
from /admin/apps/rhel7/intel/compilers_and_libraries_2017.4.196/linux/compiler/include/math.h(95),
from test.c(1):
/usr/include/bits/mathcalls-helper-functions.h(42): error: identifier "_Float128" is undefined
__MATHDECL_1 (int, __issignaling,, (_Mdouble_ __value))
^
In file included from test.c(1):
/admin/apps/rhel7/intel/compilers_and_libraries_2017.4.196/linux/compiler/include/math.h(1300): error: identifier "_LIB_VERSION_TYPE" is undefined
_LIBIMF_EXT _LIB_VERSIONIMF_TYPE _LIBIMF_PUBVAR _LIB_VERSIONIMF;
^
compilation aborted for test.c (code 2)
我正在使用icc (ICC) 17.0.4 20170411。以前这不是问题，但我不确定系统管理员是否更改了英特尔编译器的版本。无论如何，像 这么简单的事情应该math.h可以解决，不是吗？我该如何理解这个错误？