Diff of /trunk/configure.ac

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	revision 1837, Fri Apr 13 19:51:45 2012 UTC	revision 1838, Fri Apr 13 23:08:07 2012 UTC
#	Line 99	Line 99
99	dnl	dnl
100	dnl check for OpenCL support	dnl check for OpenCL support
101	dnl	dnl
102	CL_LIBS="none"	LIBS_CL="none"
103	case "$host_os" in	case "$host_os" in
104	darwin*) # On Mac OS X we check for installed frameworks	darwin*) # On Mac OS X we check for installed frameworks
105	AX_CHECK_FRAMEWORK([OpenCL], [CL_LIBS="-framework OpenCL"], [])	AX_CHECK_FRAMEWORK([OpenCL], [LIBS_CL="-framework OpenCL"], [])
106	;;	;;
107	*)	*)
108	AC_CHECK_LIB([OpenCL],[clGetPlatformIDs],[CL_LIBS="-lOpenCL"])	AC_CHECK_LIB([OpenCL],[clGetPlatformIDs],[LIBS_CL="-lOpenCL"])
109	;;	;;
110	esac	esac
111	if test x"$CL_LIBS" = xnone ; then	if test x"$LIBS_CL" = xnone ; then
112	AC_MSG_WARN([no OpenCL library found])	AC_MSG_WARN([no OpenCL library found])
113	CL_ENABLED=false	CL_ENABLED=false
114	CL_VERSION=0	CL_VERSION=0
115	else	else
116	CL_ENABLED=true	CL_ENABLED=true
117	AC_CHECK_HEADERS([CL/cl.h OpenCL/cl.h])	CPPFLAGS_CL=""
118		AC_CHECK_HEADERS([CL/cl.h OpenCL/cl.h], [HAVE_CL_H="yes"], [HAVE_CL_H="no"])
119		if test x"$HAVE_CL_H" = xno ; then
120		# check for AMD's SDK
121		if test -d /opt/AMDAPP/include/CL ; then
122		HAVE_CL_H="yes"
123		AC_DEFINE([HAVE_CL_CL_H])
124		CPPFLAGS_CL="-I/opt/AMDAPP/include"
125		fi
126		fi
127		if test x"$HAVE_CL_H" = xno ; then
128		AC_MSG_WARN([no cl.h found])
129		CL_ENABLED=false
130		CL_VERSION=0
131		else
132	# check the cl.h header for which version of OpenCL is supported	# check the cl.h header for which version of OpenCL is supported
133	AC_LANG([C])	AC_LANG([C])
134		save_CPPFLAGS=$CPPFLAGS
135		CPPFLAGS="$CPPFLAGS_CL $CPPFLAGS"
136	AC_LINK_IFELSE([AC_LANG_PROGRAM([[	AC_LINK_IFELSE([AC_LANG_PROGRAM([[
137	#include <stdio.h>	#include <stdio.h>
138	# ifdef HAVE_CL_CL_H	# ifdef HAVE_CL_CL_H
#	Line 163	Line 179
179	[[cl_float4 x; x.s[0] = 0.0;]])],	[[cl_float4 x; x.s[0] = 0.0;]])],
180	[AC_DEFINE([CL_HOST_VECTORS_ARE_STRUCTS],[1],[host vector types are structs])],	[AC_DEFINE([CL_HOST_VECTORS_ARE_STRUCTS],[1],[host vector types are structs])],
181	[AC_MSG_ERROR([unable to figure out host types for OpenCL vectors])])])	[AC_MSG_ERROR([unable to figure out host types for OpenCL vectors])])])
182		# restore saved CPPFLAGS
183		CPPFLAGS=$save_CPPFLAGS
184	# substitutions	# substitutions
185	AC_SUBST(CL_LIBS)	AC_SUBST(LIBS_CL)
186		AC_SUBST(CPPFLAGS_CL)
187		fi
188	fi	fi
189	AC_SUBST(CL_ENABLED)	AC_SUBST(CL_ENABLED)
190	AC_SUBST(CL_VERSION)	AC_SUBST(CL_VERSION)

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Legend: Removed from v.1837   changed lines   Added in v.1838

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