return $result;
}
+
+# This is just like gdb_compile, above, except that it tries compiling
+# against several different thread libraries, to see which one this
+# system has.
+proc gdb_compile_pthreads {source dest type options} {
+ set build_binfile 0
+ set why_msg "unrecognized error"
+ foreach lib {-lpthreads -lpthread -lthread} {
+ # This kind of wipes out whatever libs the caller may have
+ # set. Or maybe theirs will override ours. How infelicitous.
+ set options_with_lib [concat $options [list libs=$lib]]
+ set ccout [gdb_compile $source $dest $type $options_with_lib]
+ switch -regexp -- $ccout {
+ ".*no posix threads support.*" {
+ set why_msg "missing threads include file"
+ break
+ }
+ ".*cannot open -lpthread.*" {
+ set why_msg "missing runtime threads library"
+ }
+ ".*Can't find library for -lpthread.*" {
+ set why_msg "missing runtime threads library"
+ }
+ {^$} {
+ pass "successfully compiled posix threads test case"
+ set built_binfile 1
+ break
+ }
+ }
+ }
+ if {$built_binfile == "0"} {
+ unsupported "Couldn't compile $source: ${why_msg}"
+ return -1
+ }
+}
+
proc send_gdb { string } {
global suppress_flag;
if { $suppress_flag } {