diff options
-rw-r--r-- | toolchain/external-toolchain/Config.in | 25 | ||||
-rw-r--r-- | toolchain/external-toolchain/ext-tool.mk | 75 |
2 files changed, 77 insertions, 23 deletions
diff --git a/toolchain/external-toolchain/Config.in b/toolchain/external-toolchain/Config.in index 71dad0d76..efc8378c0 100644 --- a/toolchain/external-toolchain/Config.in +++ b/toolchain/external-toolchain/Config.in @@ -1,22 +1,17 @@ # if BR2_TOOLCHAIN_EXTERNAL -config BR2_TOOLCHAIN_EXTERNAL_LIB_C - string "The core C library from the external toolchain" - default "libc.so.0" - help - Specify the core C shared library found in the external - toolchain. This is required in addition to any other - libraries to be copied. +choice + prompt "External toolchain C library" + default BR2_TOOLCHAIN_EXTERNAL_UCLIBC -config BR2_TOOLCHAIN_EXTERNAL_LIBS - string "Libraries to copy from the external toolchain" - default "ld-uClibc.so.0 libcrypt.so.0 libdl.so.0 libgcc_s.so libm.so.0 libnsl.so.0 libpthread.so.0 libresolv.so.0 librt.so.0 libutil.so.0" - help - A space separated list of the shared libraries to be copied - from the external toolchain into the root filesystem. Only - the top-level name is needed, i.e. libc.so, libpthread.so as - the actual shared library symlinked to will be copied also. +config BR2_TOOLCHAIN_EXTERNAL_UCLIBC + bool "uClibc" + +config BR2_TOOLCHAIN_EXTERNAL_GLIBC + bool "glibc" + +endchoice config BR2_TOOLCHAIN_EXTERNAL_STRIP bool diff --git a/toolchain/external-toolchain/ext-tool.mk b/toolchain/external-toolchain/ext-tool.mk index 1c9197b95..b904775f4 100644 --- a/toolchain/external-toolchain/ext-tool.mk +++ b/toolchain/external-toolchain/ext-tool.mk @@ -21,7 +21,6 @@ copy_toolchain_lib_root = \ for FILE in `find $${LIB_DIR} -maxdepth 1 -type l -name "$${LIB}*"`; do \ LIB=`basename $${FILE}`; \ while test \! -z "$${LIB}"; do \ - echo "copy_toolchain_lib_root lib=$${LIB} dst=$${DST}"; \ rm -fr $(TARGET_DIR)$${DST}/$${LIB}; \ mkdir -p $(TARGET_DIR)$${DST}; \ if test -h $${LIB_DIR}/$${LIB}; then \ @@ -49,14 +48,74 @@ copy_toolchain_sysroot = \ if [ -n "$${SYSROOT_DIR}" ]; then cp -a $${SYSROOT_DIR}/* $(STAGING_DIR)/ ; \ find $(STAGING_DIR) -type d | xargs chmod 755; fi -uclibc: dependencies $(TARGET_DIR)/lib/$(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_LIB_C))) +ifeq ($(BR2_TOOLCHAIN_EXTERNAL_UCLIBC),y) +EXTERNAL_LIBC=libc.so.0 +EXTERNAL_LIBS=ld-uClibc.so.0 libcrypt.so.0 libdl.so.0 libgcc_s.so libm.so.0 libnsl.so.0 libpthread.so.0 libresolv.so.0 librt.so.0 libutil.so.0 +else +EXTERNAL_LIBC=libc.so.6 +EXTERNAL_LIBS=ld-linux.so.3 libcrypt.so.1 libdl.so.2 libgcc_s.so.1 libm.so.6 libnsl.so.1 libpthread.so.0 libresolv.so.2 librt.so.1 libutil.so.1 libnss_files.so.2 +endif -$(TARGET_DIR)/lib/$(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_LIB_C))): -#")) +check_clibrary = \ + if ! test -f `$(TARGET_CC) -print-file-name=$(EXTERNAL_LIBC)` ; then \ + echo "Incorrect selection of the C library"; \ + exit -1; \ + fi + +# 1: Buildroot option name +# 2: message +check_glibc_feature = \ + if [ x$($(1)) != x"y" ] ; then \ + echo "$(2) available in C library, please enable $(1)" ; \ + exit 1 ; \ + fi + +check_glibc = \ + $(call check_glibc_feature,BR2_LARGEFILE,Large file support) ;\ + $(call check_glibc_feature,BR2_INET_IPV6,IPv6 support) ;\ + $(call check_glibc_feature,BR2_INET_RPC,RPC support) ;\ + $(call check_glibc_feature,BR2_ENABLE_LOCALE,Locale support) ;\ + $(call check_glibc_feature,BR2_USE_WCHAR,Wide char support) + +# 1: uClibc macro name +# 2: Buildroot option name +# 3: uClibc config file +# 4: message +check_uclibc_feature = \ + IS_IN_LIBC=`grep -q "\#define $(1) 1" $(3) && echo y` ; \ + if [ x$($(2)) != x"y" -a x$${IS_IN_LIBC} == x"y" ] ; then \ + echo "$(4) available in C library, please enable $(2)" ; \ + exit 1 ; \ + fi ; \ + if [ x$($(2)) == x"y" -a x$${IS_IN_LIBC} != x"y" ] ; then \ + echo "$(4) not available in C library, please disable $(2)" ; \ + exit 1 ; \ + fi + +check_uclibc = \ + SYSROOT_DIR=`$(TARGET_CC) -v 2>&1 | grep ^Configured | tr " " "\n" | grep -- "--with-sysroot" | cut -f2 -d=`; \ + UCLIBC_CONFIG_FILE=$${SYSROOT_DIR}/usr/include/bits/uClibc_config.h ; \ + $(call check_uclibc_feature,__UCLIBC_HAS_LFS__,BR2_LARGEFILE,$${UCLIBC_CONFIG_FILE},Large file support) ;\ + $(call check_uclibc_feature,__UCLIBC_HAS_IPV6__,BR2_INET_IPV6,$${UCLIBC_CONFIG_FILE},IPv6 support) ;\ + $(call check_uclibc_feature,__UCLIBC_HAS_RPC__,BR2_INET_RPC,$${UCLIBC_CONFIG_FILE},RPC support) ;\ + $(call check_uclibc_feature,__UCLIBC_HAS_LOCALE__,BR2_ENABLE_LOCALE,$${UCLIBC_CONFIG_FILE},Locale support) ;\ + $(call check_uclibc_feature,__UCLIBC_HAS_WCHAR__,BR2_USE_WCHAR,$${UCLIBC_CONFIG_FILE},Wide char support) ;\ + +uclibc: dependencies $(TARGET_DIR)/lib/$(EXTERNAL_LIBC) + +$(TARGET_DIR)/lib/$(EXTERNAL_LIBC): + @echo "Checking external toolchain settings" + @$(call check_clibrary) +ifeq ($(BR2_TOOLCHAIN_EXTERNAL_UCLIBC),y) + @$(call check_uclibc) +else + @$(call check_glibc) +endif mkdir -p $(TARGET_DIR)/lib - @$(call copy_toolchain_lib_root, $(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_LIB_C))), /lib, $(BR2_TOOLCHAIN_EXTERNAL_STRIP)) -#"))) - for libs in $(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_LIBS))); do \ + @echo "Copy external toolchain libraries to target..." + @$(call copy_toolchain_lib_root, $(EXTERNAL_LIBC), /lib, $(BR2_TOOLCHAIN_EXTERNAL_STRIP)) + @for libs in $(EXTERNAL_LIBS); do \ $(call copy_toolchain_lib_root, $$libs, /lib, $(BR2_TOOLCHAIN_EXTERNAL_STRIP)); \ done - $(call copy_toolchain_sysroot) + @echo "Copy external toolchain sysroot to staging..." + @$(call copy_toolchain_sysroot) |