goes in net-p2p/cudaminer, patch goes in net-p2p/cudaminer/files, remember to run ebuild *.ebuild digest

cudaminer-9999-nvcc-flags.patch

diff --git a/Makefile.am b/Makefile.am
index ca325f1..17d47ab 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -32,19 +32,19 @@ cudaminer_LDADD		= @LIBCURL@ @JANSSON_LIBS@ @PTHREAD_LIBS@ @WS2_LIBS@ @CUDA_LIBS
 cudaminer_CPPFLAGS	= -msse2 @LIBCURL_CPPFLAGS@ @OPENMP_CFLAGS@ $(PTHREAD_FLAGS) -fno-strict-aliasing $(JANSSON_INCLUDES)
 
 .cu.o:
-	$(NVCC) @CFLAGS@ -Xptxas "-abi=no -v" -arch=compute_10 --maxrregcount=64 --ptxas-options=-v $(JANSSON_INCLUDES) -o $@ -c $<
+	$(NVCC) -O3 -Xptxas "-abi=no -v" -arch=compute_10 --maxrregcount=64 --ptxas-options=-v $(JANSSON_INCLUDES) -o $@ -c $<
 
 spinlock_kernel.o: spinlock_kernel.cu
-	$(NVCC) @CFLAGS@ -Xptxas "-abi=no -v" -arch=compute_12 --maxrregcount=64 $(JANSSON_INCLUDES) -o $@ -c $<
+	$(NVCC) -O3 -Xptxas "-abi=no -v" -arch=compute_12 --maxrregcount=64 $(JANSSON_INCLUDES) -o $@ -c $<
 
 fermi_kernel.o: fermi_kernel.cu
-	$(NVCC) @CFLAGS@ -Xptxas "-abi=no -v" -arch=sm_20 --maxrregcount=63 $(JANSSON_INCLUDES) -o $@ -c $<
+	$(NVCC) -O3 -Xptxas "-abi=no -v" -arch=sm_20 --maxrregcount=63 $(JANSSON_INCLUDES) -o $@ -c $<
 
 kepler_kernel.o: kepler_kernel.cu
-	$(NVCC) @CFLAGS@ -Xptxas "-abi=no -v" -arch=sm_30 --maxrregcount=32 $(JANSSON_INCLUDES) -o $@ -c $<
+	$(NVCC) -O3 -Xptxas "-abi=no -v" -arch=sm_30 --maxrregcount=32 $(JANSSON_INCLUDES) -o $@ -c $<
 
 titan_kernel.o: titan_kernel.cu
-	$(NVCC) @CFLAGS@ -Xptxas "-abi=no -v" -arch=sm_35 --maxrregcount=32 $(JANSSON_INCLUDES) -o $@ -c $<
+	$(NVCC) -O3 -Xptxas "-abi=no -v" -arch=sm_35 --maxrregcount=32 $(JANSSON_INCLUDES) -o $@ -c $<
 
 test_kernel.o: test_kernel.cu
-	$(NVCC) @CFLAGS@ -Xptxas "-abi=no -v" -arch=sm_30 --maxrregcount=32 $(JANSSON_INCLUDES) -o $@ -c $<
+	$(NVCC) -O3 -Xptxas "-abi=no -v" -arch=sm_30 --maxrregcount=32 $(JANSSON_INCLUDES) -o $@ -c $<

cudaminer-9999.ebuild

EAPI=4
inherit autotools git-2

DESCRIPTION="a CUDA accelerated litecoin mining application based on pooler's CPU miner"
HOMEPAGE="https://github.com/cbuchner1/CudaMiner"
EGIT_REPO_URI="https://github.com/cbuchner1/CudaMiner.git"

LICENSE="GPL-3"
SLOT="0"
KEYWORDS=""
IUSE=""

RDEPEND=">=dev-util/nvidia-cuda-toolkit-5.5.0"
DEPEND="${RDEPEND} >=dev-util/nvidia-cuda-sdk-5.5.0"

DOCS=( README.txt LICENSE.txt )

src_prepare() {
        epatch "${FILESDIR}"/${PN}-9999-nvcc-flags.patch
        eautoreconf
}

src_configure() {
        econf --with-cuda=/opt/cuda
}