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SubjectRe: [PATCH v4 00/17] media: blackfin: bfin_capture enhancements
On 03/26/2015 10:18 AM, Scott Jiang wrote:
> Hi Lad and Hans,
>
> 2015-03-08 22:40 GMT+08:00 Lad Prabhakar <prabhakar.csengg@gmail.com>:
>> From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
>>
>> This patch series, enhances blackfin capture driver with
>> vb2 helpers.
>>
>> Changes for v4:
>> 1: Improved commit message for path 4/17 and 5/17.
>> 2: Added Ack's from Scott to patches 1-15
>> 3: Two new patches 16/17 and 17/17
>>
>> Lad, Prabhakar (17):
>> media: blackfin: bfin_capture: drop buf_init() callback
>> media: blackfin: bfin_capture: release buffers in case
>> start_streaming() call back fails
>> media: blackfin: bfin_capture: set min_buffers_needed
>> media: blackfin: bfin_capture: set vb2 buffer field
>> media: blackfin: bfin_capture: improve queue_setup() callback
>> media: blackfin: bfin_capture: use vb2_fop_mmap/poll
>> media: blackfin: bfin_capture: use v4l2_fh_open and vb2_fop_release
>> media: blackfin: bfin_capture: use vb2_ioctl_* helpers
>> media: blackfin: bfin_capture: make sure all buffers are returned on
>> stop_streaming() callback
>> media: blackfin: bfin_capture: return -ENODATA for *std calls
>> media: blackfin: bfin_capture: return -ENODATA for *dv_timings calls
>> media: blackfin: bfin_capture: add support for vidioc_create_bufs
>> media: blackfin: bfin_capture: add support for VB2_DMABUF
>> media: blackfin: bfin_capture: add support for VIDIOC_EXPBUF
>> media: blackfin: bfin_capture: set v4l2 buffer sequence
>> media: blackfin: bfin_capture: drop bcap_get_unmapped_area()
>> media: blackfin: bfin_capture: embed video_device struct in
>> bcap_device
>>
>> drivers/media/platform/blackfin/bfin_capture.c | 348 ++++++++-----------------
>> 1 file changed, 103 insertions(+), 245 deletions(-)
>>
>
> for patch 16/17,
> Acked-by: Scott Jiang <scott.jiang.linux@gmail.com>
> Tested-by: Scott Jiang <scott.jiang.linux@gmail.com>
>
> Hans, I tried to use v4l2-compliance but it failed to compile. Sorry
> for telling you it have passed compilation because I forgot to use
> blackfin toolchain.
> ./configure --without-jpeg --host=bfin-linux-uclibc --disable-libv4l
>
> The main problem is there is no argp.h in uClibc, how to disable checking this?
>
> checking for argp.h... no
> configure: error: Cannot continue: argp.h not found
>
> Scott
>

Hi Scott,

Can you try this patch for v4l-utils? It makes argp optional, and it should
allow v4l2-compliance to compile with uclibc (unless there are more problems).

I'm no autoconf guru, so I'm not certain if everything is correct, but it
seemed to do its job when I remove argp.h from my system.

Regards,

Hans

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

---
diff --git a/configure.ac b/configure.ac
index 330479c..0bf9154 100644
--- a/configure.ac
+++ b/configure.ac
@@ -253,14 +253,17 @@ dl_saved_libs=$LIBS
AC_SUBST([DLOPEN_LIBS])
LIBS=$dl_saved_libs

-AC_CHECK_HEADER([argp.h],,AC_MSG_ERROR(Cannot continue: argp.h not found))
+#AC_CHECK_HEADER([argp.h],,AC_MSG_ERROR(Cannot continue: argp.h not found))
+AC_CHECK_HEADER([argp.h], [argp=yes], [argp=no])
+AS_IF([test "x$argp" = "xyes"],
argp_saved_libs=$LIBS
AC_SEARCH_LIBS([argp_parse],
[argp],
[test "$ac_cv_search_argp_parse" = "none required" || ARGP_LIBS=$ac_cv_search_argp_parse],
[AC_MSG_ERROR([unable to find the argp_parse() function])])
AC_SUBST([ARGP_LIBS])
-LIBS=$argp_saved_libs
+LIBS=$argp_saved_libs)
+AM_CONDITIONAL([HAVE_ARGP], [test x$argp = xyes])

AC_CHECK_HEADER([linux/i2c-dev.h], [linux_i2c_dev=yes], [linux_i2c_dev=no])
AM_CONDITIONAL([HAVE_LINUX_I2C_DEV], [test x$linux_i2c_dev = xyes])
diff --git a/contrib/test/Makefile.am b/contrib/test/Makefile.am
index 0bfa33e..f87ed3e 100644
--- a/contrib/test/Makefile.am
+++ b/contrib/test/Makefile.am
@@ -2,7 +2,6 @@ noinst_PROGRAMS = \
ioctl-test \
sliced-vbi-test \
sliced-vbi-detect \
- v4l2grab \
driver-test \
stress-buffer \
capture-example
@@ -11,9 +10,12 @@ if HAVE_X11
noinst_PROGRAMS += pixfmt-test
endif

+if HAVE_ARGP
+noinst_PROGRAMS += v4l2grab
if HAVE_GLU
noinst_PROGRAMS += v4l2gl
endif
+endif

driver_test_SOURCES = driver-test.c
driver_test_LDADD = ../../utils/libv4l2util/libv4l2util.la
diff --git a/utils/decode_tm6000/Makefile.am b/utils/decode_tm6000/Makefile.am
index ac4e85e..845e35e 100644
--- a/utils/decode_tm6000/Makefile.am
+++ b/utils/decode_tm6000/Makefile.am
@@ -1,4 +1,6 @@
+if HAVE_ARGP
bin_PROGRAMS = decode_tm6000
decode_tm6000_SOURCES = decode_tm6000.c
decode_tm6000_LDADD = ../libv4l2util/libv4l2util.la
decode_tm6000_LDFLAGS = $(ARGP_LIBS)
+endif
diff --git a/utils/dvb/Makefile.am b/utils/dvb/Makefile.am
index 6aae408..32c9fb9 100644
--- a/utils/dvb/Makefile.am
+++ b/utils/dvb/Makefile.am
@@ -1,3 +1,4 @@
+if HAVE_ARGP
bin_PROGRAMS = dvb-fe-tool dvbv5-zap dvbv5-scan dvb-format-convert
man_MANS = dvb-fe-tool.1 dvbv5-zap.1 dvbv5-scan.1 dvb-format-convert.1

@@ -18,4 +19,4 @@ dvb_format_convert_LDADD = ../../lib/libdvbv5/libdvbv5.la
dvb_format_convert_LDFLAGS = $(ARGP_LIBS) -lm

EXTRA_DIST = README
-
+endif
diff --git a/utils/keytable/Makefile.am b/utils/keytable/Makefile.am
index f6a0773..1238e4b 100644
--- a/utils/keytable/Makefile.am
+++ b/utils/keytable/Makefile.am
@@ -1,3 +1,4 @@
+if HAVE_ARGP
bin_PROGRAMS = ir-keytable
man_MANS = ir-keytable.1
sysconf_DATA = rc_maps.cfg
@@ -12,6 +13,7 @@ EXTRA_DIST = 70-infrared.rules rc_keymaps gen_keytables.pl ir-keytable.1 rc_maps
# custom target
install-data-local:
$(install_sh) -d "$(DESTDIR)$(keytableuserdir)"
+endif

sync-with-kernel:
@if [ ! -f $(KERNEL_DIR)/usr/include/linux/input.h ]; then \
diff --git a/utils/v4l2-sysfs-path/Makefile.am b/utils/v4l2-sysfs-path/Makefile.am
index 6ef4228..e72e439 100644
--- a/utils/v4l2-sysfs-path/Makefile.am
+++ b/utils/v4l2-sysfs-path/Makefile.am
@@ -1,4 +1,6 @@
+if HAVE_ARGP
bin_PROGRAMS = v4l2-sysfs-path
v4l2_sysfs_path_SOURCES = v4l2-sysfs-path.c
v4l2_sysfs_path_LDADD = ../libmedia_dev/libmedia_dev.la
v4l2_sysfs_path_LDFLAGS = $(ARGP_LIBS)
+endif


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