gst1-imx: make kernel dependency optional

The i.MX specific kernel headers are not a hard dependency. Quoting README.md:

  Without [--kernel-headers], the [ipu.h] header is not found, and elements
  using the IPU will not be built.

Cc: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/package/gstreamer1/gst1-imx/Config.in b/package/gstreamer1/gst1-imx/Config.in
index 0084483d1ec6ef62432eb83ece3a555b6d4be41e..df0fcf3072d387cfe01973a725a44a2cb07d6925 100644 (file)
--- a/package/gstreamer1/gst1-imx/Config.in
+++ b/package/gstreamer1/gst1-imx/Config.in
@@ -1,19 +1,15 @@
-comment "gst1-imx needs an imx-specific Linux kernel to be built"
-       depends on BR2_arm && !BR2_LINUX_KERNEL
-
 config BR2_PACKAGE_GST1_IMX
        bool "gst1-imx"
-       depends on BR2_LINUX_KERNEL
        depends on BR2_arm # Only relevant for i.MX
        select BR2_PACKAGE_GST1_PLUGINS_BASE
        help
          This is a set of GStreamer 1.0 plugins for plugins for Freescale's
          i.MX platforms, which make use of the i.MX multimedia capabilities.
 
-         This software supports only the i.MX6 SoC family and requires a
-         kernel that includes the i.MX6 specific headers to be built.
+         This software supports only the i.MX6 SoC family.
 
-         The IPU and PXP plugins are always built.
+         The IPU and PXP plugins are built when an imx-specific kernel is
+         enabled.
          The V4L2 plugin is built when BR2_PACKAGE_GST1_PLUGINS_BAD is enabled.
          The VPU plugin is built when BR2_PACKAGE_LIBIMXVPUAPI is enabled.
          The EGL plugin is built when BR2_PACKAGE_IMX_GPU_VIV is enabled.

diff --git a/package/gstreamer1/gst1-imx/gst1-imx.mk b/package/gstreamer1/gst1-imx/gst1-imx.mk
index 650e097592a03390aa30fb03a85626d447e25ded..86922eddb657e6d72c6e1b3b9926cd1806c056d9 100644 (file)
--- a/package/gstreamer1/gst1-imx/gst1-imx.mk
+++ b/package/gstreamer1/gst1-imx/gst1-imx.mk
@@ -18,10 +18,13 @@ GST1_IMX_DEPENDENCIES += \
        gstreamer1 \
        gst1-plugins-base
 
-# needs access to imx-specific kernel headers
+GST1_IMX_CONF_OPTS = --prefix="/usr"
+
+ifeq ($(BR2_LINUX_KERNEL),y)
+# IPU and PXP need access to imx-specific kernel headers
 GST1_IMX_DEPENDENCIES += linux
-GST1_IMX_CONF_OPTS += --prefix="/usr" \
-       --kernel-headers="$(LINUX_DIR)/include"
+GST1_IMX_CONF_OPTS += --kernel-headers="$(LINUX_DIR)/include"
+endif
 
 ifeq ($(BR2_PACKAGE_GST1_PLUGINS_BAD),y)
 GST1_IMX_DEPENDENCIES += gst1-plugins-bad