1 files changed, 68 insertions, 0 deletions
diff --git a/scripts/build/arch.sh b/scripts/build/arch.sh
new file mode 100644
index 00000000..5c5edc9f
--- /dev/null
+++ b/scripts/build/arch.sh
@@ -0,0 +1,68 @@
+# This file provides the default implementations of arch-specific functions.
+
+# Set up the target tuple
+CT_DoArchTupleValues() {
+    :;
+}
+
+# Multilib: change the target triplet according to CFLAGS
+# Usage: CT_DoArchGlibcAdjustTuple <variable-name> <CFLAGS>
+CT_DoArchMultilibTarget() {
+    :;
+}
+
+# Multilib: Adjust target tuple for GLIBC
+# Usage: CT_DoArchGlibcAdjustTuple <variable-name>
+CT_DoArchGlibcAdjustTuple() {
+    :;
+}
+
+# Helper for uClibc configurators: select the architecture
+# Usage: CT_DoArchUClibcSelectArch <config-file> <architecture>
+CT_DoArchUClibcSelectArch() {
+    local cfg="${1}"
+    local arch="${2}"
+
+    ${sed} -i -r -e '/^TARGET_.*/d' "${cfg}"
+    CT_KconfigEnableOption "TARGET_${arch}" "${cfg}"
+    CT_KconfigSetOption "TARGET_ARCH" "${arch}" "${cfg}"
+}
+
+# uClibc: Adjust configuration file according to the CT-NG configuration
+# Usage: CT_DoArchUClibcConfig <config-file>
+CT_DoArchUClibcConfig() {
+    CT_DoLog WARN "Support for '${CT_ARCH}' is not implemented in uClibc config tweaker."
+    CT_DoLog WARN "Exact configuration file must be provided."
+}
+
+# Multilib/uClibc: Adjust configuration file for given CFLAGS
+# Usage: CT_DoArchUClibcCflags <config-file> <cflags>
+CT_DoArchUClibcCflags() {
+    local cfg="${1}"
+    local cflags="${2}"
+
+    # Likely, any non-default cflags need to be reflected into the config.
+    # It may work if we just pass them into EXTRA_CFLAGS, but we have no
+    # idea as they might interact with the CFLAGS inferred by uClibc from
+    # the configuration file.
+    if [ "${cflags}" != "" ]; then
+        CT_DoLog WARN "Multilib configuration not supported for uClibc/${CT_ARCH}"
+    fi
+}
+
+# Multilib/uClibc: Adjust header installation path for given CFLAGS
+# Usage: CT_DoArchUClibcHeaderDir <path-variable> <cflags>
+CT_DoArchUClibcHeaderDir() {
+    # Only needed if a given architecture may select different uClibc architectures.
+    :;
+}
+
+# Multilib/MUSL: Adjust header installation path for given CFLAGS
+# Usage: CT_DoArchMUSLHeaderDir <path-variable> <cflags>
+CT_DoArchMUSLHeaderDir() {
+    # Only needed if a given architecture may select different MUSL architectures.
+    :;
+}
+
+# Override from the actual arch implementation as needed.
+. "${CT_LIB_DIR}/scripts/build/arch/${CT_ARCH}.sh"