trunk: osx makefiles, minor fix, add HAVE_CUDA if cuda present

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4561 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8

src/makefiles/darwin_10_10.mk

@@ -4,7 +4,7 @@ ifndef FSTROOT
 $(error FSTROOT not defined.)
 endif
 
-CXXFLAGS = -msse -msse2 -Wall -I.. \
+CXXFLAGS += -msse -msse2 -Wall -I.. \
       -pthread \
       -DKALDI_DOUBLEPRECISION=0 -DHAVE_POSIX_MEMALIGN \
       -Wno-sign-compare -Winit-self \

src/makefiles/darwin_10_5.mk

@@ -4,7 +4,7 @@ ifndef FSTROOT
 $(error FSTROOT not defined.)
 endif
 
-CXXFLAGS = -msse -msse2 -Wall -I.. \
+CXXFLAGS += -msse -msse2 -Wall -I.. \
 	  -pthread \
       -DKALDI_DOUBLEPRECISION=0  \
       -Wno-sign-compare -Winit-self \

src/makefiles/darwin_10_6.mk

@@ -4,7 +4,7 @@ ifndef FSTROOT
 $(error FSTROOT not defined.)
 endif
 
-CXXFLAGS = -msse -msse2 -Wall -I.. \
+CXXFLAGS += -msse -msse2 -Wall -I.. \
 	  -pthread \
       -DKALDI_DOUBLEPRECISION=0 -DHAVE_POSIX_MEMALIGN \
       -Wno-sign-compare -Winit-self \

src/makefiles/darwin_10_7.mk

@@ -4,7 +4,7 @@ ifndef FSTROOT
 $(error FSTROOT not defined.)
 endif
 
-CXXFLAGS = -msse -msse2 -Wall -I.. \
+CXXFLAGS += -msse -msse2 -Wall -I.. \
 	  -pthread \
       -DKALDI_DOUBLEPRECISION=0 -DHAVE_POSIX_MEMALIGN \
       -Wno-sign-compare -Winit-self \

src/makefiles/darwin_10_8.mk

@@ -4,7 +4,7 @@ ifndef FSTROOT
 $(error FSTROOT not defined.)
 endif
 
-CXXFLAGS = -msse -msse2 -Wall -I.. \
+CXXFLAGS += -msse -msse2 -Wall -I.. \
 	   -pthread \
       -DKALDI_DOUBLEPRECISION=0 -DHAVE_POSIX_MEMALIGN \
       -Wno-sign-compare -Winit-self \

src/makefiles/darwin_10_9.mk

@@ -4,7 +4,7 @@ ifndef FSTROOT
 $(error FSTROOT not defined.)
 endif
 
-CXXFLAGS = -msse -msse2 -Wall -I.. \
+CXXFLAGS += -msse -msse2 -Wall -I.. \
 	  -pthread \
       -DKALDI_DOUBLEPRECISION=0 -DHAVE_POSIX_MEMALIGN \
       -Wno-sign-compare -Winit-self \