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package/kf5-modemmanager-qt: link with libatomic when needed

On some architectures, atomic binutils 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

This is often for example the case on sparcv8 32 bit.

Fixes:
 - http://autobuild.buildroot.org/results/b941a3deaa57cac79f1686d47ca6ababf2f0d5e4

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 3cb7546d95bbe227562040d6439b0ab4b62b7c9b)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Fabrice Fontaine 6 years ago
parent
commit
0e487f72a9
1 changed files with 5 additions and 0 deletions
  1. 5 0
      package/kf5/kf5-modemmanager-qt/kf5-modemmanager-qt.mk

+ 5 - 0
package/kf5/kf5-modemmanager-qt/kf5-modemmanager-qt.mk

@@ -13,4 +13,9 @@ KF5_MODEMMANAGER_QT_LICENSE_FILE = COPYING.LIB
 KF5_MODEMMANAGER_QT_DEPENDENCIES = kf5-extra-cmake-modules modem-manager qt5base
 KF5_MODEMMANAGER_QT_INSTALL_STAGING = YES
 
+# Uses __atomic_fetch_add_4
+ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
+KF5_MODEMMANAGER_QT_CONF_OPTS += -DCMAKE_CXX_FLAGS="$(TARGET_CXXFLAGS) -latomic"
+endif
+
 $(eval $(cmake-package))