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@@ -96,15 +96,46 @@ $(STAMP_DIR)/ct-ng-toolchain-built: $(CTNG_DIR)/.config
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CTNG_FIX_DOT_CONFIG_SED :=
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CTNG_FIX_DOT_CONFIG_PATHS_SED :=
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+#--------------
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+# A few generic functions
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+
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+# Munge a config file, given a sed expression
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+# $1: the .config file to munge
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+# $2: the sed expression to apply
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+define ctng-fix-dot-config
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+ $(Q)sed -r -e '$(2)' $(1) >$(1).sed
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+ $(Q)cmp $(1) $(1).sed >/dev/null 2>&1 && rm -f $(1).sed || mv -f $(1).sed $(1)
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+endef
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+
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+# This function checks the .config did actually change
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+# If not changed, then current .config will be touched with reference to the
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+# stamp file. If the configuration did change, nothing is done.
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+# $1: the current .config to check
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+# $2: the time-stamped .config file
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+define ctng-check-config-changed
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+ $(Q)old_md5="$$( grep -v -E '^(#|$$)' $(2) 2>/dev/null \
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+ |md5sum \
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+ |cut -d ' ' -f 1 \
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+ )"; \
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+ new_md5="$$( grep -v -E '^(#|$$)' $(1) 2>/dev/null \
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+ |md5sum \
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+ |cut -d ' ' -f 1 \
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+ )"; \
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+ if [ $${old_md5} = $${new_md5} -a -f $(2) ]; then \
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+ touch -r $(2) $(1); \
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+ fi
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+endef
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+
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+#--------------
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+# Massage BR2_ARCH so that it matches CT-NG's ARCH
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+#
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# Note: a lot of the following tricks would become unneeded if one day
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# buildroot and crosstool-NG had matching options, especially for the
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# target description: arch name, bitness, endianness...
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-
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+#
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# Note-2: missing conformity check between BR's .config and libc features.
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# Use check_uclibc or check_glibc.
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-#--------------
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-# Massage BR2_ARCH so that it matches CT-NG's ARCH
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# Defaults:
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CTNG_ARCH := $(CTNG_BR2_ARCH)
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CTNG_ENDIAN :=
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@@ -204,12 +235,6 @@ endif # LIBC is uClibc
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#--------------
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# Small functions to shoe-horn the above into crosstool-NG's .config
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-# $1: the .config file to munge
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-# $2: the sed expression to apply
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-define ctng-fix-dot-config
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- $(Q)sed -r -e '$(2)' $(1) >$(1).sed
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- $(Q)cmp $(1) $(1).sed >/dev/null 2>&1 && rm -f $(1).sed || mv -f $(1).sed $(1)
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-endef
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# Function to update the .config
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# We first munge the .config to shoe-horn defaults, then we push that unto
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@@ -228,25 +253,6 @@ define ctng-oldconfig
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$(call ctng-fix-dot-config,$(1),$(CTNG_FIX_DOT_CONFIG_PATHS_SED))
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endef
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-# This function checks the confguration of the toolchain did actually change
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-# If not changed, then current .config will be touched with reference to the
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-# stamp file. If the configuration did change, nothing is done.
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-# $1: the current .config to check
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-# $2: the time-stamped .config file
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-define ctng-check-config-changed
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- $(Q)old_md5="$$( grep -v -E '^(#|$$)' $(2) 2>/dev/null \
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- |md5sum \
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- |cut -d ' ' -f 1 \
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- )"; \
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- new_md5="$$( grep -v -E '^(#|$$)' $(1) 2>/dev/null \
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- |md5sum \
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- |cut -d ' ' -f 1 \
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- )"; \
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- if [ $${old_md5} = $${new_md5} -a -f $(2) ]; then \
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- touch -r $(2) $(1); \
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- fi
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-endef
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-
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# Default configuration
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# Depends on top-level .config because it has options we have to shoe-horn
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# into crosstool-NG's .config
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Yann E. MORIN