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package/libdcadec: enable shared build

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The libdcadec package currently only builds a static library, which is
naturally built without -fPIC (since this is generally not needed for
static libraries).

However, when the generated static library gets used inside a larger
dynamic library, such as ffmpeg's one, the link fails, since we're
trying to include in a shared library non-PIC code.

To solve this, this commit changes the way the libdcadec library is
built to make sure a shared variant of the library gets built when
appropriate. This way, ffmpeg has a PIC-enabled libdcadec library to
link with.

Fixes
http://autobuild.buildroot.net/results/bd3/bd34d1d2f2d35455d1ddefa1ec247c78f341603f/
http://autobuild.buildroot.net/results/4f7/4f7c87e47e763ce656c50b5862408b18e6f185ab/
http://autobuild.buildroot.net/results/998/99836db091af610a99dbc815b7fdf09cc1d531d1/
http://autobuild.buildroot.net/results/a19/a19023e094cbed491444665d6839a9e65a8eee6c/
http://autobuild.buildroot.net/results/98d/98dde028d1d6199f05c904b498bc39bbaa112aa6/
http://autobuild.buildroot.net/results/4ff/4ffcae6cae419df35e8ca29d429ee178bcf31882/
http://autobuild.buildroot.net/results/8ce/8ced16874255ace4923f6b8888c3fca07f28b804/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Bernd Kuhls 2015-10-19 20:38:51 +02:00 committed by Thomas Petazzoni
parent 7012009738
commit 13860f6e0f
1 changed files with 8 additions and 3 deletions
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11
package/libdcadec/libdcadec.mk
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@ -10,19 +10,24 @@ LIBDCADEC_LICENSE = LGPLv2.1+
LIBDCADEC_LICENSE_FILES = COPYING.LGPLv2.1
LIBDCADEC_INSTALL_STAGING = YES
ifeq ($(BR2_STATIC_LIBS),)
LIBDCADEC_SHARED = CONFIG_SHARED=1
endif
define LIBDCADEC_BUILD_CMDS
$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(TARGET_CFLAGS) -std=gnu99" -C $(@D)
CFLAGS="$(TARGET_CFLAGS) -std=gnu99" \
$(LIBDCADEC_SHARED) -C $(@D)
endef
define LIBDCADEC_INSTALL_STAGING_CMDS
$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) \
DESTDIR=$(STAGING_DIR) PREFIX=/usr install
$(LIBDCADEC_SHARED) DESTDIR=$(STAGING_DIR) PREFIX=/usr install
endef
define LIBDCADEC_INSTALL_TARGET_CMDS
$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) \
DESTDIR=$(TARGET_DIR) PREFIX=/usr install
$(LIBDCADEC_SHARED) DESTDIR=$(TARGET_DIR) PREFIX=/usr install
endef
$(eval $(generic-package))