[openblas] 02/03: remove-openmp-warning.patch: new patch

[Sébastien Villemot]

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sebastien pushed a commit to branch master
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commit 923d2d0338f0ad9123e07bc564081ca4c4cbccfc
Author: Sébastien Villemot <sebastien at debian.org>
Date:   Mon Feb 17 18:55:29 2014 +0100

    remove-openmp-warning.patch: new patch
    
    Removes annoying warning when OpenBLAS is called from an OpenMP application.
---
 debian/changelog                           |  2 ++
 debian/patches/remove-openmp-warning.patch | 27 +++++++++++++++++++++++++++
 debian/patches/series                      |  1 +
 3 files changed, 30 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index 476ede3..3371a98 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,8 @@
 openblas (0.2.8-4) UNRELEASED; urgency=low
 
   * Revert to pthreads parallelism instead of OpenMP (Closes: #725673)
+  * remove-openmp-warning.patch: new patch, removes annoying warning when
+    OpenBLAS is called from an OpenMP application.
 
  -- Sébastien Villemot <sebastien at debian.org>  Mon, 17 Feb 2014 18:48:35 +0100
 
diff --git a/debian/patches/remove-openmp-warning.patch b/debian/patches/remove-openmp-warning.patch
new file mode 100644
index 0000000..84acf58
--- /dev/null
+++ b/debian/patches/remove-openmp-warning.patch
@@ -0,0 +1,27 @@
+Description: Remove warning about OpenMP
+ This warning is annoying when the library is built with pthreads.
+ See #684344
+Author: Sébastien Villemot <sebastien at debian.org>
+Forwarded: no
+Last-Update: 2014-02-17
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+--- a/driver/others/blas_server.c
++++ b/driver/others/blas_server.c
+@@ -719,16 +719,6 @@ int exec_blas(BLASLONG num, blas_queue_t
+ #ifdef SMP_DEBUG
+   fprintf(STDERR, "Exec_blas is called. Number of executing threads : %ld\n", num);
+ #endif  
+-
+-#ifdef __ELF__
+-  if (omp_in_parallel && (num > 1)) {
+-    if (omp_in_parallel() > 0) {
+-      fprintf(stderr, 
+-	      "OpenBLAS Warning : Detect OpenMP Loop and this application may hang. "
+-	      "Please rebuild the library with USE_OPENMP=1 option.\n");
+-    }
+-  }
+-#endif
+   
+   if ((num > 1) && queue -> next) exec_blas_async(1, queue -> next);
+ 
diff --git a/debian/patches/series b/debian/patches/series
index 31f3fdf..716e813 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,3 +1,4 @@
 libblas3-soname.patch
 test-custom-package.patch
 qemu-athlon.patch
+remove-openmp-warning.patch

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