https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217613
Bug ID: 217613
Summary: FreeBSD make -- local variable $(.PREFIX) does not
strip preceding directory components
Product: Base System
Version: 11.0-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: e...@nordstroem.no
Created attachment 180603
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=180603&action=edit
BSDmakefile
From the make(1) man page:
Local variables are all built in and their values vary magically from
target to target. It is not currently possible to define new local
variables. The seven local variables are as follows:
[...]
.PREFIX The file prefix of the target, containing only the file
portion, no suffix or preceding directory components;
also known as ‘*’. The suffix must be one of the known
suffixes declared with .SUFFIXES or it will not be
recognized.
However, it seems that preceding directory components are not actually
stripped.
$ mkdir -p ~/tmp/hello
$ cd ~/tmp/hello/
Place the attached BSDmakefile in this directory and after you've done that,
create the hello world program in src/main.c.
$ mkdir src
$ cat > src/hello.c <<EOF
#include <stdio.h>
int main()
{
printf("Hello, World!");
}
EOF
$ make
make: don't know how to make src/build/hello.c. Stop
make: stopped in /usr/home/erikn/tmp/hello
As you can see from the output above when I attempt to run make, the prefix was
not stripped of preceding directory components.
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