diff options
Diffstat (limited to 'toolchain/toolchain-external')
| -rw-r--r-- | toolchain/toolchain-external/ext-tool.mk | 57 |
1 files changed, 44 insertions, 13 deletions
diff --git a/toolchain/toolchain-external/ext-tool.mk b/toolchain/toolchain-external/ext-tool.mk index 2ac497378..eb8ed4f6b 100644 --- a/toolchain/toolchain-external/ext-tool.mk +++ b/toolchain/toolchain-external/ext-tool.mk @@ -267,10 +267,8 @@ endif $(STAMP_DIR)/ext-toolchain-checked: @echo "Checking external toolchain settings" $(Q)$(call check_cross_compiler_exists,$(TOOLCHAIN_EXTERNAL_CC)) - $(Q)SYSROOT_DIR=`$(TOOLCHAIN_EXTERNAL_CC) -print-sysroot 2>/dev/null` ; \ - if test -z "$${SYSROOT_DIR}" ; then \ - SYSROOT_DIR=`readlink -f $$(LANG=C $(TOOLCHAIN_EXTERNAL_CC) -print-file-name=libc.a) |sed -r -e 's:usr/lib/libc\.a::;'` ; \ - fi ; \ + $(Q)LIBC_A_LOCATION=`readlink -f $$(LANG=C $(TOOLCHAIN_EXTERNAL_CC) -print-file-name=libc.a)` ; \ + SYSROOT_DIR=`echo $${LIBC_A_LOCATION} | sed -r -e 's:usr/lib(64)?/libc\.a::'` ; \ if test -z "$${SYSROOT_DIR}" ; then \ @echo "External toolchain doesn't support --sysroot. Cannot use." ; \ exit 1 ; \ @@ -292,27 +290,60 @@ $(STAMP_DIR)/ext-toolchain-checked: # and the variant-specific sysroot, then copy the needed libraries to # the $(TARGET_DIR) and copy the whole sysroot (libraries and headers) # to $(STAGING_DIR). +# +# Variables are defined as follows: +# +# LIBC_A_LOCATION: location of the libc.a file in the default +# multilib variant (allows to find the main +# sysroot directory) +# Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/usr/lib/libc.a +# +# SYSROOT_DIR: the main sysroot directory, deduced from +# LIBC_A_LOCATION by removing the +# usr/lib[64]/libc.a part of the path. +# Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/ +# +# ARCH_LIBC_A_LOCATION: location of the libc.a file in the selected +# multilib variant (taking into account the +# CFLAGS). Allows to find the sysroot of the +# selected multilib variant. +# Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/mips16/soft-float/el/usr/lib/libc.a +# +# ARCH_SYSROOT_DIR: the sysroot of the selected multilib variant, +# deduced from ARCH_LIBC_A_LOCATION by removing +# usr/lib[64]/libc.a at the end of the path. +# Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/mips16/soft-float/el/ +# +# ARCH_LIB_DIR: 'lib' or 'lib64' depending on where libraries are +# stored. Deduced from ARCH_LIBC_A_LOCATION by +# looking at usr/lib??/libc.a. +# Ex: lib +# +# ARCH_SUBDIR: the relative location of the sysroot of the selected +# multilib variant compared to the main sysroot. +# Ex: mips16/soft-float/el + $(STAMP_DIR)/ext-toolchain-installed: $(TOOLCHAIN_EXTERNAL_DEPENDENCIES) - $(Q)SYSROOT_DIR=`$(TOOLCHAIN_EXTERNAL_CC) -print-sysroot 2>/dev/null` ; \ - if test -z "$${SYSROOT_DIR}" ; then \ - SYSROOT_DIR=`readlink -f $$(LANG=C $(TOOLCHAIN_EXTERNAL_CC) -print-file-name=libc.a) |sed -r -e 's:usr/lib/libc\.a::;'` ; \ - fi ; \ + $(Q)LIBC_A_LOCATION=`readlink -f $$(LANG=C $(TOOLCHAIN_EXTERNAL_CC) -print-file-name=libc.a)` ; \ + SYSROOT_DIR=`echo $${LIBC_A_LOCATION} | sed -r -e 's:usr/lib(64)?/libc\.a::'` ; \ if test -z "$${SYSROOT_DIR}" ; then \ @echo "External toolchain doesn't support --sysroot. Cannot use." ; \ exit 1 ; \ fi ; \ - ARCH_SUBDIR=`$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS) -print-multi-directory` ; \ - ARCH_SYSROOT_DIR=$${SYSROOT_DIR}/$${ARCH_SUBDIR} ; \ + ARCH_LIBC_A_LOCATION=`readlink -f $$(LANG=C $(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS) -print-file-name=libc.a)` ; \ + ARCH_SYSROOT_DIR=`echo $${ARCH_LIBC_A_LOCATION} | sed -r -e 's:usr/lib(64)?/libc\.a::'` ; \ + ARCH_LIB_DIR=`echo $${ARCH_LIBC_A_LOCATION} | sed -r -e 's:.*/usr/(lib(64)?)/libc.a:\1:'` ; \ + ARCH_SUBDIR=`echo $${ARCH_SYSROOT_DIR} | sed -r -e "s:^$${SYSROOT_DIR}(.*)/$$:\1:"` ; \ mkdir -p $(TARGET_DIR)/lib ; \ echo "Copy external toolchain libraries to target..." ; \ for libs in $(LIB_EXTERNAL_LIBS); do \ - $(call copy_toolchain_lib_root,$${ARCH_SYSROOT_DIR},$$libs,/lib); \ + $(call copy_toolchain_lib_root,$${ARCH_SYSROOT_DIR},$${ARCH_LIB_DIR},$$libs,/lib); \ done ; \ for libs in $(USR_LIB_EXTERNAL_LIBS); do \ - $(call copy_toolchain_lib_root,$${ARCH_SYSROOT_DIR},$$libs,/usr/lib); \ + $(call copy_toolchain_lib_root,$${ARCH_SYSROOT_DIR},$${ARCH_LIB_DIR},$$libs,/usr/lib); \ done ; \ echo "Copy external toolchain sysroot to staging..." ; \ - $(call copy_toolchain_sysroot,$${SYSROOT_DIR},$${ARCH_SYSROOT_DIR},$${ARCH_SUBDIR}) ; \ + $(call copy_toolchain_sysroot,$${SYSROOT_DIR},$${ARCH_SYSROOT_DIR},$${ARCH_SUBDIR},$${ARCH_LIB_DIR}) ; \ if [ -L $${ARCH_SYSROOT_DIR}/lib64 ] ; then \ $(call create_lib64_symlinks) ; \ fi ; \ |