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-rw-r--r--project/config/cfgdefs.in3
-rw-r--r--project/config/cfgdefs.sh7
2 files changed, 10 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@
diff --git a/project/config/cfgdefs.sh b/project/config/cfgdefs.sh
index 3a2965e..928f46a 100644
--- a/project/config/cfgdefs.sh
+++ b/project/config/cfgdefs.sh
@@ -75,6 +75,12 @@ cfgdefs_set_libc_options()
else
libc_syscall_arch='syscall-copy.tag'
fi
+
+ if [ -f $mb_source_dir/arch/x86_64/atomic_arch.h ]; then
+ libc_source_tree='-D__LIBC_MODERN_SOURCE_TREE'
+ else
+ libc_source_tree='-D__LIBC_LEGACY_SOURCE_TREE'
+ fi
}
@@ -86,6 +92,7 @@ cfgdefs_output_custom_defs()
-e 's/@libc_major@/'"$libc_major"'/g' \
-e 's/@libc_minor@/'"$libc_minor"'/g' \
-e 's/@libc_micro@/'"$libc_micro"'/g' \
+ -e 's/@libc_source_tree@/'"$libc_source_tree"'/g' \
-e 's/@libc_syscall_arch@/'"$libc_syscall_arch"'/g' \
"$mb_project_dir/project/config/cfgdefs.in" \
| sed -e 's/[ \t]*$//g' \