vlc | branch: master | Martin Storsjö <mar...@martin.st> | Thu Mar 29 23:57:26 
2018 +0300| [e2ea86d8a21d5ddf63f9263aec401f0f8556e671] | committer: Martin 
Storsjö

contrib: projectM: Don't force building in C++98 mode

Instead patch the project to fix the error that was clang gave when
building in C+11 mode (which clang 6 does by default):

Renderer/VideoEcho.cpp:77:30: error: non-constant-expression cannot be narrowed 
from type 'double' to 'float' in initializer list [-Wc++11-narrowing]
  float pointsFlip[4][2] = {{-0.5*flipx, -0.5*flipy},

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=e2ea86d8a21d5ddf63f9263aec401f0f8556e671
---

 contrib/src/projectM/clang6.patch | 18 ++++++++++++++++++
 contrib/src/projectM/rules.mak    |  2 +-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/contrib/src/projectM/clang6.patch 
b/contrib/src/projectM/clang6.patch
new file mode 100644
index 0000000000..122b7fff6c
--- /dev/null
+++ b/contrib/src/projectM/clang6.patch
@@ -0,0 +1,18 @@
+diff -urN projectM-orig/Renderer/VideoEcho.cpp projectM/Renderer/VideoEcho.cpp
+--- projectM-orig/Renderer/VideoEcho.cpp       2009-12-06 03:42:51.000000000 
+0200
++++ projectM/Renderer/VideoEcho.cpp    2018-03-29 23:56:45.852289647 +0300
+@@ -74,10 +74,10 @@
+                       default: flipx=1;flipy=1; break;
+               }
+ 
+-              float pointsFlip[4][2] = {{-0.5*flipx, -0.5*flipy},
+-                                        {-0.5*flipx,  0.5*flipy},
+-                                        { 0.5*flipx,  0.5*flipy},
+-                                        { 0.5*flipx, -0.5*flipy}};
++              float pointsFlip[4][2] = {{-0.5f*flipx, -0.5f*flipy},
++                                        {-0.5f*flipx,  0.5f*flipy},
++                                        { 0.5f*flipx,  0.5f*flipy},
++                                        { 0.5f*flipx, -0.5f*flipy}};
+ 
+               glVertexPointer(2,GL_FLOAT,0,pointsFlip);
+               glDrawArrays(GL_TRIANGLE_FAN,0,4);
diff --git a/contrib/src/projectM/rules.mak b/contrib/src/projectM/rules.mak
index a9e7b29911..d9edde0932 100644
--- a/contrib/src/projectM/rules.mak
+++ b/contrib/src/projectM/rules.mak
@@ -23,6 +23,7 @@ ifdef HAVE_WIN32
        $(APPLY) $(SRC)/projectM/win32.patch
 endif
        $(APPLY) $(SRC)/projectM/gcc6.patch
+       $(APPLY) $(SRC)/projectM/clang6.patch
        $(MOVE)
 
 DEPS_projectM = glew $(DEPS_glew)
@@ -35,7 +36,6 @@ DEPS_projectM = glew $(DEPS_glew)
                -DUSE_FTGL:BOOL=OFF \
                -DINCLUDE-PROJECTM-PULSEAUDIO:BOOL=OFF \
                -DINCLUDE-PROJECTM-QT:BOOL=OFF \
-               -DCMAKE_CXX_STANDARD=98 \
                -DBUILD_PROJECTM_STATIC:BOOL=ON .
        cd $< && $(MAKE) install
        -cd $<; cp Renderer/libRenderer.a 
MilkdropPresetFactory/libMilkdropPresetFactory.a $(PREFIX)/lib

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