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-rw-r--r--meta/recipes-multimedia/pulseaudio/pulseaudio.inc8
1 files changed, 8 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/pulseaudio/pulseaudio.inc b/meta/recipes-multimedia/pulseaudio/pulseaudio.inc
index 4e32b27087..c7f3e67022 100644
--- a/meta/recipes-multimedia/pulseaudio/pulseaudio.inc
+++ b/meta/recipes-multimedia/pulseaudio/pulseaudio.inc
@@ -63,6 +63,14 @@ DEPENDS += "speexdsp libxml-parser-perl-native libcap"
inherit autotools bash-completion pkgconfig useradd gettext perlnative systemd manpages gsettings
+# When compiling for Thumb or Thumb2, frame pointers _must_ be disabled since the
+# Thumb frame pointer in r7 clashes with pulseaudio's use of inline asm to make syscalls
+# (where r7 is used for the syscall NR). In most cases, frame pointers will be
+# disabled automatically due to the optimisation level, but append an explicit
+# -fomit-frame-pointer to handle cases where optimisation is set to -O0 or frame
+# pointers have been enabled by -fno-omit-frame-pointer earlier in CFLAGS, etc.
+CFLAGS_append_arm = " ${@bb.utils.contains('TUNE_CCARGS', '-mthumb', '-fomit-frame-pointer', '', d)}"
+
# *.desktop rules wont be generated during configure and build will fail
# if using --disable-nls
USE_NLS = "yes"