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toolchain/crosstool-NG: use a copy of the uClibc .config

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Before we can munge the uClibc .config file, we have to use a copy.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Yann E. MORIN 2010-11-27 21:50:43 +01:00 committed by Peter Korsgaard
parent 499f4cf22d
commit 6aec5c2c19
1 changed files with 14 additions and 2 deletions
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16
toolchain/toolchain-crosstool-ng/crosstool-ng.mk
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@ -76,6 +76,8 @@ $(STAMP_DIR)/ct-ng-toolchain-installed: $(STAMP_DIR)/ct-ng-toolchain-built
#-----------------------------------------------------------------------------
# Building the toolchain
# Note: $(STAMP_DIR)/ct-ng-toolchain-built can have more dependencies,
# depending on the selected C library. Those deps are added later
$(STAMP_DIR)/ct-ng-toolchain-built: $(CTNG_DIR)/.config
$(Q)$(call ctng,build.$(BR2_JLEVEL))
@ -187,8 +189,18 @@ CTNG_FIX_DOT_CONFIG_PATHS_SED += s:^(CT_SYSROOT_DIR_PREFIX)=.*:\1="":;
#--------------
# uClibc specific options
ifeq ($(BR2_TOOLCHAIN_CTNG_uClibc),y)
CTNG_FIX_DOT_CONFIG_PATHS_SED += s:^(CT_LIBC_UCLIBC_CONFIG_FILE)=.*:\1="$(CTNG_UCLIBC_CONFIG_FILE)":;
endif
# Instruct CT-NG's .config where to find the uClibc's .config
CTNG_FIX_DOT_CONFIG_PATHS_SED += s:^(CT_LIBC_UCLIBC_CONFIG_FILE)=.*:\1="$(CTNG_DIR)/libc.config":;
# And add this to the toolchain build dependency
$(STAMP_DIR)/ct-ng-toolchain-built: $(CTNG_DIR)/libc.config
# And here is how we get this uClibc's .config
$(CTNG_DIR)/libc.config: $(CTNG_UCLIBC_CONFIG_FILE)
$(Q)cp -f $< $@
endif # LIBC is uClibc
#--------------
# Small functions to shoe-horn the above into crosstool-NG's .config