https://issues.apache.org/bugzilla/show_bug.cgi?id=47691
Summary: libtool invocations should use --tag
Product: Apache httpd-2
Version: 2.2.13
Platform: PC
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P2
Component: Build
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Ralf Wildenhues <[email protected]> 2009-08-12
10:23:42 PDT ---
Created an attachment (id=24135)
patch
This thread is where the issue was originally detected:
http://thread.gmane.org/gmane.comp.gnu.libtool.general/10315
http://thread.gmane.org/gmane.comp.gnu.libtool.general/10308
One problem with the Apache build is that it does not use the --tag option
with libtool. This prevents certain things that a user building httpd
might want to do.
First off, --tag is not needed if the C or C++ compiler used during the build
is identical (read: string comparison) to that used during configure time.
The libtool script then uses the appropriate set of values by matching the
compiler name. This is less efficient than telling libtool which set of
values to use by passing --tag, but not a problem.
However, sometimes one wants to override the compiler at 'make' time, for
example to use purify as indicated above. The error you then get from
make CC='purify gcc'
is something like
libtool: compile: unable to infer tagged configuration
libtool: compile: specify a tag with `--tag'
and could have been prevented with the following patch.
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