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authorYann E. MORIN <yann.morin.1998@anciens.enib.fr>2010-11-27 20:50:43 (GMT)
committer Peter Korsgaard <jacmet@sunsite.dk>2010-11-27 21:29:02 (GMT)
commit6aec5c2c1970df68b847455261b2ca92b8b16929 (patch)
treee0d57f4f94043fb15c17c6ebf4df85babadeb29f
parent499f4cf22d0078209a8ab22fc2b7c503865f7da4 (diff)
downloadbuildroot-6aec5c2c1970df68b847455261b2ca92b8b16929.tar.gz
buildroot-6aec5c2c1970df68b847455261b2ca92b8b16929.tar.bz2
toolchain/crosstool-NG: use a copy of the uClibc .config
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>
-rw-r--r--toolchain/toolchain-crosstool-ng/crosstool-ng.mk16
1 files changed, 14 insertions, 2 deletions
diff --git a/toolchain/toolchain-crosstool-ng/crosstool-ng.mk b/toolchain/toolchain-crosstool-ng/crosstool-ng.mk
index 4040dcd..b92aed0 100644
--- a/toolchain/toolchain-crosstool-ng/crosstool-ng.mk
+++ b/toolchain/toolchain-crosstool-ng/crosstool-ng.mk
@@ -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