[opencv] 01/01: use __asm__() rather than asm(), fixing src:mrpt build on armhf

[Mattia Rizzolo]

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mattia pushed a commit to branch master
in repository opencv.

commit 6d39f674e2f4db3dbca91a0e19438440a3acb458
Author: Mattia Rizzolo <mattia at debian.org>
Date:   Fri Jun 23 16:33:30 2017 +0200

    use __asm__() rather than asm(), fixing src:mrpt build on armhf
    
    Thanks: James Clarke <jrtc27 at debian.org>
    Signed-off-by: Mattia Rizzolo <mattia at debian.org>
---
 debian/patches/fix_VFP_asm.patch | 15 +++++++++++++++
 debian/patches/series            |  1 +
 2 files changed, 16 insertions(+)

diff --git a/debian/patches/fix_VFP_asm.patch b/debian/patches/fix_VFP_asm.patch
new file mode 100644
index 0000000..d05cd9a
--- /dev/null
+++ b/debian/patches/fix_VFP_asm.patch
@@ -0,0 +1,15 @@
+Description: fix compilation failure of this header in arm (where VFP is enabled)
+Author: James Clarke <jrtc27 at jrtc27.com>
+Forwarded: https://github.com/opencv/opencv/pull/8976
+
+--- a/modules/core/include/opencv2/core/fast_math.hpp
++++ b/modules/core/include/opencv2/core/fast_math.hpp
+@@ -71,7 +71,7 @@
+     #define ARM_ROUND(_value, _asm_string) \
+         int res; \
+         float temp; \
+-        asm(_asm_string : [res] "=r" (res), [temp] "=w" (temp) : [value] "w" (_value)); \
++        __asm__(_asm_string : [res] "=r" (res), [temp] "=w" (temp) : [value] "w" (_value)); \
+         return res
+     // 2. version for double
+     #ifdef __clang__
diff --git a/debian/patches/series b/debian/patches/series
index dd22f72..d702194 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -5,3 +5,4 @@ disable_opengl_test_build
 mathjax
 change_jquery.js_path
 disable_dnn.patch
+fix_VFP_asm.patch

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