diff options
Diffstat (limited to 'toolchain/helpers.mk')
| -rw-r--r-- | toolchain/helpers.mk | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/toolchain/helpers.mk b/toolchain/helpers.mk index 6e7f1f4c9..bb1ea9040 100644 --- a/toolchain/helpers.mk +++ b/toolchain/helpers.mk @@ -7,11 +7,30 @@ # directory to the target directory. Also optionaly strips the # library. # -# Most toolchains have their libraries either in /lib or /usr/lib -# relative to their ARCH_SYSROOT_DIR. Buildroot toolchains, however, -# have basic libraries in /lib, and libstdc++/libgcc_s in -# /usr/<target-name>/lib(64). Thanks to ARCH_LIB_DIR we also take into -# account toolchains that have the libraries in lib64 and usr/lib64. +# Most toolchains (CodeSourcery ones) have their libraries either in +# /lib or /usr/lib relative to their ARCH_SYSROOT_DIR, so we search +# libraries in: +# +# $${ARCH_LIB_DIR} +# usr/$${ARCH_LIB_DIR} +# +# Buildroot toolchains, however, have basic libraries in /lib, and +# libstdc++/libgcc_s in /usr/<target-name>/lib(64), so we also need to +# search libraries in: +# +# usr/$(TOOLCHAIN_EXTERNAL_PREFIX)/$${ARCH_LIB_DIR} +# +# Finally, Linaro toolchains have the libraries in lib/<target-name>/, +# so we need to search libraries in: +# +# $${ARCH_LIB_DIR}/$(TOOLCHAIN_EXTERNAL_PREFIX) +# +# Thanks to ARCH_LIB_DIR we also take into account toolchains that +# have the libraries in lib64 and usr/lib64. +# +# Please be very careful to check the major toolchain sources: +# Buildroot, Crosstool-NG, CodeSourcery and Linaro before doing any +# modification on the below logic. # # $1: arch specific sysroot directory # $2: library directory ('lib' or 'lib64') from which libraries must be copied @@ -25,7 +44,7 @@ copy_toolchain_lib_root = \ DESTDIR="$(strip $4)" ; \ \ LIBS=`(cd $${ARCH_SYSROOT_DIR}; \ - find -L $${ARCH_LIB_DIR} usr/$${ARCH_LIB_DIR} usr/$(TOOLCHAIN_EXTERNAL_PREFIX)/$${ARCH_LIB_DIR} \ + find -L $${ARCH_LIB_DIR} usr/$${ARCH_LIB_DIR} usr/$(TOOLCHAIN_EXTERNAL_PREFIX)/$${ARCH_LIB_DIR} $${ARCH_LIB_DIR}/$(TOOLCHAIN_EXTERNAL_PREFIX) \ -maxdepth 1 -name "$${LIB}.*" 2>/dev/null \ )` ; \ for FILE in $${LIBS} ; do \ |