diff options
| -rw-r--r-- | toolchain/external-toolchain/ext-tool.mk | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/toolchain/external-toolchain/ext-tool.mk b/toolchain/external-toolchain/ext-tool.mk index ca7113740..b904775f4 100644 --- a/toolchain/external-toolchain/ext-tool.mk +++ b/toolchain/external-toolchain/ext-tool.mk @@ -56,10 +56,61 @@ 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 +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 $(TARGET_DIR)/lib @echo "Copy external toolchain libraries to target..." @$(call copy_toolchain_lib_root, $(EXTERNAL_LIBC), /lib, $(BR2_TOOLCHAIN_EXTERNAL_STRIP)) |