Oracle Pro-C が RHEL 8.7 以降で「構文エラー」 PCC-S-02014 で終了する

Issue

• Oracle Pro-C が RHEL 8.7 で「構文エラー」PCC-S-02014 で終了します。
• OS を OL8.5 から OL8.7 にアップグレードした後、Pro*C のプリコンパイルが PCC-S-02014 で失敗します (文書 ID 2931232.1)。
• RHEL 8.7 にアップグレードした後、glibc-headers パッケージにより sys/cdefs.h でビルドエラーが発生します。

Syntax error at line 500, column 20, file /usr/include/sys/cdefs.h:
Error at line 500, column 20 in file /usr/include/sys/cdefs.h
#include <bits/long-double.h>

PCC-S-02014, Encountered the symbol "-" when expecting one of the following:

   : [ ] > + / . .. an identifier, a numeric constant, define,
   elif, else, endif, error, if, ifdef, ifndef, include, line,
   pragma, undef, exec, sql, begin, end, var, type, oracle,
   an immediate preprocessor command, a C token, create,
   function, package, procedure, trigger, or, replace,

Syntax error at line 564, column 2, file /usr/include/sys/cdefs.h:
Error at line 564, column 2 in file /usr/include/sys/cdefs.h
#endif   /* sys/cdefs.h */

PCC-S-02014, Encountered the symbol "endif" when expecting one of the following:

   a numeric constant, newline, define, error, if, ifdef,
   ifndef, include, line, pragma, undef,
   an immediate preprocessor command, a C token,
The symbol "define," was substituted for "endif" to continue.

Syntax error at line 30, column 1, file /usr/include/bits/types.h:
Error at line 30, column 1 in file /usr/include/bits/types.h
typedef unsigned char __u_char;

PCC-S-02201, Encountered the symbol "typedef" when expecting one of the following:
   ; , = ( [
The symbol ";" was substituted for "typedef" to continue.