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package/gqrx: link with libatomic when needed

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On some architectures, atomic builtins are provided by the libatomic
library from gcc. Linking with libatomic is therefore necessary,
otherwise the build fails with:

sparc-buildroot-linux-uclibc/sysroot/lib/libatomic.so.1: error adding symbols: DSO missing from command line

Fixes:
 - http://autobuild.buildroot.net/results/a003ad5324a0c0f55cb8db5d3e5d69bd21999e16/
 - http://autobuild.buildroot.net/results/464602175d026d135125e5baa00e0729aec7a931/

Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
[Peter: add dependency on sync or atomic builtins in Config, addd comment]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Gwenhael Goavec-Merou 2019-02-22 14:12:18 +01:00 committed by Peter Korsgaard
parent f7a2870dd1
commit c0928b7c0e
2 changed files with 8 additions and 0 deletions
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2
package/gqrx/Config.in
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@ -1,6 +1,7 @@
comment "gqrx needs a toolchain w/ C++, threads, wchar, dynamic library"
depends on BR2_USE_MMU # gnuradio
depends on !BR2_PACKAGE_PYTHON3 # gnuradio
depends on BR2_TOOLCHAIN_HAS_SYNC_4 || BR2_TOOLCHAIN_HAS_ATOMIC
depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS || \
!BR2_USE_WCHAR || !BR2_STATIC_LIBS
@ -14,6 +15,7 @@ config BR2_PACKAGE_GQRX
depends on BR2_INSTALL_LIBSTDCPP # boost
depends on BR2_TOOLCHAIN_HAS_THREADS # boost
depends on BR2_USE_WCHAR # boost
depends on BR2_TOOLCHAIN_HAS_SYNC_4 || BR2_TOOLCHAIN_HAS_ATOMIC
depends on BR2_PACKAGE_QT5
depends on !BR2_PACKAGE_PYTHON3
select BR2_PACKAGE_BOOST

6
package/gqrx/gqrx.mk
View File

@ -12,4 +12,10 @@ GQRX_DEPENDENCIES = boost gnuradio gr-osmosdr qt5base qt5svg
GQRX_CONF_OPTS = -DLINUX_AUDIO_BACKEND=Gr-audio
# gqrx can use __atomic builtins, so we need to link with
# libatomic when available
ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
GQRX_CONF_OPTS += -DCMAKE_EXE_LINKER_FLAGS=-latomic
endif
$(eval $(cmake-package))