rpm @4.4.9: error: implicit declaration of function '__dbsrv_timeout' is invalid in C99

[randhirbabu]

I am trying to install a rpm file on my mac using big sur
I went through this link and xcode is installed- BigSurProblems

sudo port install rpm                               
--->  Computing dependencies for rpm
--->  Fetching archive for rpm
--->  Attempting to fetch rpm-4.4.9_22.darwin_20.x86_64.tbz2 from https://packages.macports.org/rpm
--->  Attempting to fetch rpm-4.4.9_22.darwin_20.x86_64.tbz2 from https://ywg.ca.packages.macports.org/mirror/macports/packages/rpm
--->  Attempting to fetch rpm-4.4.9_22.darwin_20.x86_64.tbz2 from https://ema.uk.packages.macports.org/rpm
--->  Building rpm
Error: Failed to build rpm: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_sysutils_rpm/rpm/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets if you believe there is a bug.
Error: Processing of port rpm failed

[ryandesign (Ryan Carsten Schmidt)]

The error shown in the log is:

db_server_svc.c:591:1: error: implicit declaration of function '__dbsrv_timeout' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
__dbsrv_timeout(0);}
^

This is a typical problem seen with many ports when using Xcode 12 or later and needs the usual fixes.

There is a newer version of the rpm software in the rpm54 port; maybe that will work better for you.