hydrogen: fix build

Fixes #4321

srcpkgs/hydrogen/patches/cxxflags-from-env.patch

@@ -0,0 +1,15 @@
+--- CMakeLists.txt.orig	2016-06-11 17:03:52.532568896 +0200
++++ CMakeLists.txt	2016-06-11 17:04:03.094569441 +0200
+@@ -97,12 +97,6 @@
+ ENDIF()
+ 
+ #SET(CMAKE_CXX_FLAGS "-fno-implement-inlines -finline-small-functions -findirect-inlining -fpartial-inlining")
+-IF(APPLE)
+-	SET(CMAKE_CXX_FLAGS "-O2")
+-ELSE()
+-	SET(CMAKE_CXX_FLAGS "-O2 -fno-implement-inlines")
+-ENDIF()
+-
+ SET(CMAKE_CXX_FLAGS_RELEASE "")
+ 
+ SET(CMAKE_CXX_FLAGS_DEBUG "-g ")#-Winline")

srcpkgs/hydrogen/template

@@ -1,7 +1,7 @@
 # Template file for 'hydrogen'
 pkgname=hydrogen
 version=0.9.6.1
-revision=1
+revision=2
 build_style=cmake
 configure_args="-DWANT_LRDF=ON -DWANT_CPPUNIT=OFF"
 hostmakedepends="pkg-config cmake"
@@ -14,3 +14,5 @@ license="GPL-2"
 homepage="http://www.hydrogen-music.org/"
 distfiles="https://github.com/hydrogen-music/hydrogen/archive/${version}.tar.gz"
 checksum=94dadf433f0abbe7e0ae8e037726b3573f8b59abf118c9c084f06c561d56b66f
+
+export CXXFLAGS="-fno-implement-inlines"