* configure.in (i?86-UnixWare7*-sysv): Set thread_file to 'posix'
--enable-threads[={yes,pthreads,posix}] is passed as a command
line parameter to configure.
* config/i386/sysv5.h (LIB_SPEC): Add support for '-pthread'.
(CPP_SPEC): Likewise.
From-SVN: r26702
/* Add -lcrt for Dwarf2 abbreviation table */
#undef LIB_SPEC
-#define LIB_SPEC "%{!shared:%{!symbolic:-lc -lcrt}}"
+#define LIB_SPEC "%{pthread:-lthread} %{!shared:%{!symbolic:-lc -lcrt}}"
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{pthread:-D_REENTRANT}"