Commit 10ed8e9d4171b0b127559614ea1f9784efe9490d
2011-08-28T23:49:17
Add a --disable-opencl configure option to make it possible to override detection of opencl and build without GPU mining support.
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diff --git a/configure.ac b/configure.ac
index de3153a..62a72d7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,26 +51,32 @@ case $target in
;;
esac
-# Check for OpenCL (the long way needed on mingw32 due to calling conventions)
-AC_MSG_CHECKING([for OpenCL])
-SAVED_LIBS=$LIBS
-LIBS="$LIBS $OPENCL_FLAGS"
-AC_LINK_IFELSE(
- [AC_LANG_PROGRAM([[
- #ifdef __APPLE_CC__
- #include <OpenCL/opencl.h>
- #else
- #include <CL/cl.h>
- #endif
- ]],
- [[return clSetKernelArg(0, 0, 0, 0); ]])],
- [AC_MSG_RESULT(yes)
- AC_DEFINE([HAVE_OPENCL], [1], [Defined to 1 if OpenCL is present on the system.])
- found_opencl=1
- OPENCL_LIBS=$OPENCL_FLAGS],
- [AC_MSG_RESULT(no)
- found_opencl=0])
-LIBS=$SAVED_LIBS
+AC_ARG_ENABLE([opencl],
+ [AC_HELP_STRING([--disable-opencl],[Override detection and disable building with opencl])],
+ [opencl=$enableval]
+ )
+if test "x$opencl" != xno; then
+ # Check for OpenCL (the long way needed on mingw32 due to calling conventions)
+ AC_MSG_CHECKING([for OpenCL])
+ SAVED_LIBS=$LIBS
+ LIBS="$LIBS $OPENCL_FLAGS"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #ifdef __APPLE_CC__
+ #include <OpenCL/opencl.h>
+ #else
+ #include <CL/cl.h>
+ #endif
+ ]],
+ [[return clSetKernelArg(0, 0, 0, 0); ]])],
+ [AC_MSG_RESULT(yes)
+ AC_DEFINE([HAVE_OPENCL], [1], [Defined to 1 if OpenCL is present on the system.])
+ found_opencl=1
+ OPENCL_LIBS=$OPENCL_FLAGS],
+ [AC_MSG_RESULT(no)
+ found_opencl=0])
+ LIBS=$SAVED_LIBS
+fi
AC_CHECK_LIB(pthread, pthread_create, ,
AC_MSG_ERROR([Could not find pthread library - please install libpthread]))
@@ -201,8 +207,12 @@ AC_OUTPUT
echo ''
-if test $found_opencl = 1; then
- echo OpenCL: FOUND. GPU mining support enabled.
+if test "x$opencl" != xno; then
+ if test $found_opencl = 1; then
+ echo OpenCL: FOUND. GPU mining support enabled.
+ else
+ echo OpenCL: NOT FOUND. GPU mining support DISABLED.
+ fi
else
- echo OpenCL: NOT FOUND. GPU mining support DISABLED.
+ echo OpenCL: Detection overrided. GPU mining support DISABLED.
fi