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Bug 1984045 - postfix: FTBFS due to closefrom declaration conflict (glibc 2.34 related)
Summary: postfix: FTBFS due to closefrom declaration conflict (glibc 2.34 related)
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: postfix
Version: CentOS Stream
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: beta
: ---
Assignee: Jaroslav Škarvada
QA Contact: František Hrdina
URL:
Whiteboard:
Depends On:
Blocks: 1985918
TreeView+ depends on / blocked
 
Reported: 2021-07-20 13:51 UTC by Florian Weimer
Modified: 2021-12-07 21:46 UTC (History)
3 users (show)

Fixed In Version: postfix-3.5.9-11.el9
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-12-07 21:44:43 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Florian Weimer 2021-07-20 13:51:32 UTC 
postfix-3.5.9-9.el9 fails to rebuild with this compiler error:

gcc -I. -I../../include -fPIC -fcommon -DHAS_LDAP -DLDAP_DEPRECATED=1 -DUSE_LDAP_SASL -DHAS_LMDB -DHAS_PCRE -I/usr/include/pcre -DHAS_MYSQL -I/usr/include/mysql -DHAS_PGSQL -I/usr/include/pgsql -DHAS_SQLITE -DHAS_CDB -DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I/usr/include/sasl -DUSE_TLS -DDEF_CONFIG_DIR=\"/etc/postfix\" -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DNO_NIS -DHAS_DEV_URANDOM -DUSE_DYNAMIC_LIBS -DUSE_DYNAMIC_MAPS -Wmissing-prototypes -Wformat -Wno-comment -fcommon -fPIC  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m32 -march=i686 -mtune=generic -msse2 -mfpmath=sse -mstackrealign -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-strict-aliasing -Wno-comment -I. -DLINUX4 -c attr_print0.c
In file included from attr_clnt.c:88:
/usr/include/unistd.h:363:13: error: conflicting types for 'closefrom'; have 'void(int)'
  363 | extern void closefrom (int __lowfd) __THROW;
      |             ^~~~~~~~~
In file included from attr_clnt.c:87:
./sys_defs.h:1512:12: note: previous declaration of 'closefrom' with type 'int(int)'
 1512 | extern int closefrom(int);
      |            ^~~~~~~~~


closefrom is a new function in glibc 2.34. It follows the Solaris precedent, so it returns void (not int). At the minimum, Postfix needs to adjust its return type. The only caller of the function does not use the returned value anyway.
Comment 1 Jaroslav Škarvada 2021-08-02 22:08:44 UTC 
Already fixed in Fedora and notified upstream.
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