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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Cannot build with -DLIBOMP_OMP_VERSION=40"
href="https://llvm.org/bugs/show_bug.cgi?id=30728">30728</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Cannot build with -DLIBOMP_OMP_VERSION=40
</td>
</tr>
<tr>
<th>Product</th>
<td>OpenMP
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Runtime Library
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>pawel.osmialowski@foss.arm.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>When building with -DLIBOMP_OMP_VERSION=40 compiler complains that
th_steal_lock and proxy fields are not defined.
A short workaround patch can make this code buildable with
-DLIBOMP_OMP_VERSION=40:
diff --git a/runtime/src/kmp.h b/runtime/src/kmp.h
index eff3c93..18d72a3 100644
--- a/runtime/src/kmp.h
+++ b/runtime/src/kmp.h
@@ -1738,16 +1738,16 @@ typedef struct kmp_disp {
dispatch_private_info_t *th_disp_buffer;
kmp_int32 th_disp_index;
-#if OMP_45_ENABLED
+// #if OMP_45_ENABLED
kmp_int32 th_doacross_buf_idx; // thread's doacross buffer
index
volatile kmp_uint32 *th_doacross_flags; // pointer to shared array
of flags
union { // we can use union here because doacross cannot be used in
nonmonotonic loops
kmp_int64 *th_doacross_info; // info on loop bounds
kmp_lock_t *th_steal_lock; // lock used for chunk
stealing (8-byte variable)
diff --git a/runtime/src/kmp_tasking.c b/runtime/src/kmp_tasking.c
index 0c806c2..089620b 100644
--- a/runtime/src/kmp_tasking.c
+++ b/runtime/src/kmp_tasking.c
@@ -578,7 +578,11 @@ __kmp_free_task_and_ancestors( kmp_int32 gtid,
kmp_taskdata_t * taskdata, kmp_in
{
// Proxy tasks must always be allowed to free their parents
// because they can be run in background even in serial mode.
+#if OMP_45_ENABLED
kmp_int32 task_serial = taskdata->td_flags.task_serial &&
!taskdata->td_flags.proxy;
+#else
+ kmp_int32 task_serial = taskdata->td_flags.task_serial;
+#endif
KMP_DEBUG_ASSERT( taskdata -> td_flags.tasktype == TASK_EXPLICIT );
kmp_int32 children = KMP_TEST_THEN_DEC32( (kmp_int32 *)(& taskdata ->
td_allocated_child_tasks) ) - 1;
};
-#else
- void* dummy_padding[2]; // make it 64 bytes on Intel(R) 64
-#endif
+// #else
+// void* dummy_padding[2]; // make it 64 bytes on Intel(R) 64
+// #endif
#if KMP_USE_INTERNODE_ALIGNMENT
char more_padding[INTERNODE_CACHE_LINE];
#endif</pre>
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