https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216514
Bug ID: 216514
Summary: rpcgen leaves broken output file if ${CPP} not found
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: ema...@freebsd.org
As a result of a misconfigured external toolchain I ended up with ${CPP} set to
a nonexistent file. In this case rpcgen creates a broken output file before
exiting with an error, and subsequent builds do not try to rebuild it.
rpcgen should either not create the output file early (e.g., by writing to a
temporary and renaming on success), or delete it on error.
(Root cause of this issue was an old, mismatched mips64-xtoolchain-gcc.)
Reproduction steps:
% touch foo.h
% RPCGEN_CPP=does-not-exist rpcgen -C -h foo.h -o foo.out
rpcgen: execvp does-not-exist: No such file or directory
% echo $?
1
% ls -l foo.out
-rw-r--r-- 1 emaste emaste 240 26 Jan 21:52 foo.out
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