问题描述
我最近一直在CentOS 7和Debian 9上使用gnatcoll库，两个操作系统的安装过程相同。
当我尝试在CentOS 8上进行此安装时，收到以下错误消息：
[lloyd@localhost sql]$ PATH=/home/lloyd/opt/GNAT/2020/bin:$PATH
[lloyd@localhost sql]$ make setup
[lloyd@localhost sql]$ make
gprbuild -p -m --target=x86_64-linux -j0 -XGNATCOLL_VERSION=0.0 -XBUILD=PROD -XLIBRARY_TYPE=static -XXMLADA_BUILD=static -XGPR_BUILD=static \
gnatcoll_sql.gpr
Compile
[Ada] gnatcoll-sql_impl.adb
[Ada] gnatcoll-sql_fields.adb
[Ada] gnatcoll-sql.adb
[Ada] gnatcoll-sql-orm.adb
gnatcoll-sql_impl.adb:1679:44: "UTC_Time_Offset" is not visible (more references follow)
gnatcoll-sql_impl.adb:1679:44: non-visible declaration at a-catizo.ads:28
gnatcoll-sql_impl.adb:1679:44: non-visible declaration at a-calend.ads:403
gnatcoll-sql_impl.adb:1679:44: "UTC_Time_Offset" is not visible (more references follow)
gnatcoll-sql_impl.adb:1679:44: non-visible declaration at a-catizo.ads:28
gnatcoll-sql_impl.adb:1679:44: non-visible declaration at a-calend.ads:403
gnatcoll-sql_impl.adb:1679:44: "UTC_Time_Offset" is not visible (more references follow)
gnatcoll-sql_impl.adb:1679:44: non-visible declaration at a-catizo.ads:28
gnatcoll-sql_impl.adb:1679:44: non-visible declaration at a-calend.ads:403
compilation of gnatcoll-sql.adb failed
compilation of gnatcoll-sql_fields.adb failed
compilation of gnatcoll-sql_impl.adb failed
gprbuild: *** compilation phase failed
make: *** [Makefile:116: build-static] Error 4
[lloyd@localhost sql]$ gcc --version
gcc (GCC) 9.3.1 20200430 (for GNAT Community 2020 20200818)
Copyright (C) 2019 Free Software Foundation,Inc.
This is free software; see the source for copying conditions.
See your AdaCore support agreement for details of warranty and support.
If you do not have a current support agreement,then there is absolutely
no warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
任何有关如何解决此问题和安装库的建议将不胜感激。
谢谢， 劳埃德（Lloyd）
解决方法
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