2013-06-06 01:53:30 +02:00
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################################################################################
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2011-03-07 18:21:18 +01:00
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#
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# libv4l
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#
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2013-06-06 01:53:30 +02:00
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################################################################################
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2013-06-06 01:53:25 +02:00
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2015-07-02 23:26:31 +02:00
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LIBV4L_VERSION = 1.6.3
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2011-03-07 18:21:18 +01:00
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LIBV4L_SOURCE = v4l-utils-$(LIBV4L_VERSION).tar.bz2
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2014-07-31 10:46:58 +02:00
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LIBV4L_SITE = http://linuxtv.org/downloads/v4l-utils
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2011-03-07 18:21:18 +01:00
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LIBV4L_INSTALL_STAGING = YES
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2014-07-05 23:07:40 +02:00
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LIBV4L_DEPENDENCIES = host-pkgconf
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2014-10-14 15:05:03 +02:00
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LIBV4L_CONF_OPTS = --disable-doxygen-doc
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2011-03-07 18:21:18 +01:00
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libv4l: fix uclibc-ng configure/compile
With raspberrypi_defconfig:
libv4l2rds.c:256:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = 0; i < tuning->station_cnt; i++) {
^
libv4l2rds.c:256:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
>From build/libv4l-1.6.2/config.log:
configure:4709: checking for .../host/usr/bin/arm-buildroot-linux-uclibcgnueabi-gcc option to accept ISO C99
configure:4858: .../host/usr/bin/arm-buildroot-linux-uclibcgnueabi-gcc -std=gnu99 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 conftest.c >&5
conftest.c:54:9: error: unknown type name 'wchar_t'
const wchar_t *name;
The C99 detection problem seems more related to missing wchar_t type support than the compiler option?
Adding LIBV4L_CONF_ENV = ac_cv_prog_cc_c99='-std=c99' gives a lot of compile errors like:
libv4lconvert.c: In function 'dev_ioctl':
processing/../libv4lsyscall-priv.h:85:10: error: 'SYS_ioctl' undeclared (first use in this function)
syscall(SYS_ioctl, (int)(fd), (unsigned long)(cmd), (void *)(arg))
^
libv4lconvert.c:43:9: note: in expansion of macro 'SYS_IOCTL'
return SYS_IOCTL(fd, cmd, arg);
^
processing/../libv4lsyscall-priv.h:85:10: note: each undeclared identifier is reported only once for each function it appears in
syscall(SYS_ioctl, (int)(fd), (unsigned long)(cmd), (void *)(arg))
^
libv4lconvert.c:43:9: note: in expansion of macro 'SYS_IOCTL'
return SYS_IOCTL(fd, cmd, arg);
^
Adding LIBV4L_CONF_ENV = ac_cv_prog_cc_c99='-std=gnu99' solves all configure/compile errors.
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-07-02 23:26:32 +02:00
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# fix uclibc-ng configure/compile
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LIBV4L_CONF_ENV = ac_cv_prog_cc_c99='-std=gnu99'
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2014-07-05 23:07:40 +02:00
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# v4l-utils components have different licences, see v4l-utils.spec for details
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LIBV4L_LICENSE = GPLv2+ (utilities), LGPLv2.1+ (libraries)
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LIBV4L_LICENSE_FILES = COPYING COPYING.libv4l lib/libv4l1/libv4l1-kernelcode-license.txt
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2011-04-05 12:05:08 +02:00
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2014-07-05 23:07:40 +02:00
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ifeq ($(BR2_PACKAGE_ARGP_STANDALONE),y)
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LIBV4L_DEPENDENCIES += argp-standalone
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2014-11-09 11:21:21 +01:00
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LIBV4L_LIBS += -largp
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2011-03-07 18:21:18 +01:00
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endif
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2014-10-23 23:22:36 +02:00
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LIBV4L_DEPENDENCIES += $(if $(BR2_PACKAGE_LIBICONV),libiconv)
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2014-07-05 23:07:40 +02:00
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ifeq ($(BR2_PACKAGE_JPEG),y)
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LIBV4L_DEPENDENCIES += jpeg
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2014-09-27 21:32:44 +02:00
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LIBV4L_CONF_OPTS += --with-jpeg
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2014-07-05 23:07:40 +02:00
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else
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2014-09-27 21:32:44 +02:00
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LIBV4L_CONF_OPTS += --without-jpeg
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2014-07-05 23:07:40 +02:00
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endif
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2011-03-07 18:21:18 +01:00
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2014-10-14 15:05:03 +02:00
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ifeq ($(BR2_PACKAGE_HAS_UDEV),y)
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LIBV4L_CONF_OPTS += --with-libudev
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LIBV4L_DEPENDENCIES += udev
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else
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LIBV4L_CONF_OPTS += --without-libudev
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endif
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2014-07-05 23:07:40 +02:00
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ifeq ($(BR2_PACKAGE_LIBV4L_UTILS),y)
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2014-09-27 21:32:44 +02:00
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LIBV4L_CONF_OPTS += --enable-v4l-utils
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2014-11-09 11:21:21 +01:00
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# clock_gettime is used, which is provided by librt for glibc < 2.17
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LIBV4L_LIBS += -lrt
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2014-07-05 23:07:40 +02:00
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else
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2014-09-27 21:32:44 +02:00
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LIBV4L_CONF_OPTS += --disable-v4l-utils
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2014-07-05 23:07:40 +02:00
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endif
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2011-03-07 18:21:18 +01:00
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2014-11-09 11:21:21 +01:00
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LIBV4L_CONF_ENV += LIBS="$(LIBV4L_LIBS)"
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2014-07-05 23:07:40 +02:00
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$(eval $(autotools-package))
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