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-rw-r--r--project/config/cfgdefs.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/project/config/cfgdefs.in b/project/config/cfgdefs.in
index ef94670..c2c4e6f 100644
--- a/project/config/cfgdefs.in
+++ b/project/config/cfgdefs.in
@@ -7,6 +7,9 @@ LIBC_MICRO = @libc_micro@
# port source directory
PORT_DIR = @port_dir@
+# source tree (atomic.h vs. atomic_arch.h)
+CFLAGS_CONFIG += @libc_source_tree@
+
# syscall.h
build/syscall_h.tag: build/@libc_syscall_arch@