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-rw-r--r--meta/recipes-core/musl/musl_git.bb8
1 files changed, 7 insertions, 1 deletions
diff --git a/meta/recipes-core/musl/musl_git.bb b/meta/recipes-core/musl/musl_git.bb
index 8b6a2e3..bd7573e 100644
--- a/meta/recipes-core/musl/musl_git.bb
+++ b/meta/recipes-core/musl/musl_git.bb
@@ -28,7 +28,13 @@ export CROSS_COMPILE="${TARGET_PREFIX}"
28 28
29LDFLAGS += "-Wl,-soname,libc.so" 29LDFLAGS += "-Wl,-soname,libc.so"
30 30
31ARM_INSTRUCTION_SET_toolchain-clang = "arm" 31# When compiling for Thumb or Thumb2, frame pointers _must_ be disabled since the
32# Thumb frame pointer in r7 clashes with musl's use of inline asm to make syscalls
33# (where r7 is used for the syscall NR). In most cases, frame pointers will be
34# disabled automatically due to the optimisation level, but append an explicit
35# -fomit-frame-pointer to handle cases where optimisation is set to -O0 or frame
36# pointers have been enabled by -fno-omit-frame-pointer earlier in CFLAGS, etc.
37CFLAGS_append_arm = " ${@bb.utils.contains('TUNE_CCARGS', '-mthumb', '-fomit-frame-pointer', '', d)}"
32 38
33CONFIGUREOPTS = " \ 39CONFIGUREOPTS = " \
34 --prefix=${prefix} \ 40 --prefix=${prefix} \