On 07/08/2015 11:39 PM, Tom Lane wrote:
Heikki Linnakangas <[email protected]> writes:
I'm debugging this ATM. You're probably seeing a failure similar to
shearwater. The problem seems to be that the earlier autoconf tests add
"-lrt" to LIBS, and that somehow pulls in pthread_join() and other
functions, but not pthread_sigmask(), even when not compiling with -pthread.
I'll dig a bit deeper, but I think that could be fixed by moving the
AX_PTHREAD call in the configure script earlier, or by temporarily
clearing LIBS before calling it.
Ah. The former sounds sensible from here.
Pushed that. Should make shearwater happy, but I'm not very sure what
the problem on gharial is. -lrt is not used there, but one of the other
libraries is having a similar effect there.
This kind of points up that I've always thought the advice at the top of
configure.in is a tad broken:
dnl 0. Initialization and options processing
dnl 1. Programs
dnl 2. Libraries
dnl 3. Header files
dnl 4. Types
dnl 5. Structures
dnl 6. Compiler characteristics
dnl 7. Functions, global variables
dnl 8. System services
Why isn't "Compiler characteristics" a lot earlier in the list, certainly
before "Libraries"?
Hmm, yeah, although it's not clear what category the pthread check falls
into.
- Heikki
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