[Sound-open-firmware] [PATCH] dma-trace: add build condition for dma trace

[yanwang]

On Fri, 2017-12-22 at 16:32 +0800, Keyon Jie wrote:
> Only compile dma-trace.c when BUILD_DMA_TRACE is true.
> 
> Signed-off-by: Keyon Jie <yang.jie at linux.intel.com>
Acked-by: Yan Wang <yan.wang at linux.intel.com>
> ---
>  configure.ac        | 2 ++
>  src/lib/Makefile.am | 6 +++++-
>  2 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 353987b..f41d9f4 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -226,6 +226,8 @@ AS_IF([test "x$enable_dma_trace" != "xno"], [
>  	AC_DEFINE([CONFIG_DMA_TRACE], [1], [Configure DMA trace])
>  	])
>  
> +AM_CONDITIONAL(BUILD_DMA_TRACE,  test "x$enable_dma_trace" != "xno")
> +
>  PLATFORM_BOOT_LDR_LDSCRIPT="boot_ldr.x"
>  AC_SUBST(PLATFORM_BOOT_LDR_LDSCRIPT)
>  
> diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
> index 53b99a2..a168c2c 100644
> --- a/src/lib/Makefile.am
> +++ b/src/lib/Makefile.am
> @@ -6,10 +6,14 @@ libcore_a_SOURCES = \
>  	work.c \
>  	notifier.c \
>  	trace.c \
> -	dma-trace.c \
>  	schedule.c \
>  	interrupt.c
>  
> +if BUILD_DMA_TRACE
> +libcore_a_SOURCES += \
> +	dma-trace.c
> +endif
> +
>  libcore_a_CFLAGS = \
>  	$(ARCH_CFLAGS) \
>  	$(ARCH_INCDIR) \