[Webkit-unassigned] [Bug 16406] New: [Gtk] JavaScriptCore needs -lpthread

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=16406

           Summary: [Gtk] JavaScriptCore needs -lpthread
           Product: WebKit
           Version: 525+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: sanxiyn at gmail.com


JavaScriptCore build is missing -lpthread. This results in a build failure
like:

tmp/collector.o: In function `KJS::currentThreadStackBase()':
collector.cpp:(.text+0x203): undefined reference to `pthread_getattr_np'
collector.cpp:(.text+0x21b): undefined reference to `pthread_attr_getstack'
tmp/collector.o: In function
`KJS::Collector::markCurrentThreadConservatively()':
collector.cpp:(.text+0x825): undefined reference to `pthread_getattr_np'
collector.cpp:(.text+0x83d): undefined reference to `pthread_attr_getstack'
collect2: ld returned 1 exit status

In Gtk port, JavaScriptCore is built using compiler flags from icu-config.
Normally, icu-config output includes -lpthread, like:

-lpthread -lm -L/usr/lib -licui18n -licuuc -licudata -lpthread -lm

But one doesn't need to link against libpthread when one is using only ICU
functions. So as a part of general campaign to reduce spurious library
dependency, Debian's icu-config doesn't output -lpthread starting from 3.8-5.
Then the output looks like:

-lm -L/usr/lib -licui18n -licuuc -licudata -lm


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