diff options
Diffstat (limited to 'poky/documentation/overview-manual/overview-manual-concepts.rst')
| -rw-r--r-- | poky/documentation/overview-manual/overview-manual-concepts.rst | 34 |
1 files changed, 12 insertions, 22 deletions
diff --git a/poky/documentation/overview-manual/overview-manual-concepts.rst b/poky/documentation/overview-manual/overview-manual-concepts.rst index d9f50e519..736fd9591 100644 --- a/poky/documentation/overview-manual/overview-manual-concepts.rst +++ b/poky/documentation/overview-manual/overview-manual-concepts.rst @@ -1515,27 +1515,24 @@ cross-compiler that is used internally within BitBake only. gcc-cross . -The chain of events that occurs when ``gcc-cross`` is bootstrapped is as -follows: +The chain of events that occurs when the standard toolchain is bootstrapped: :: - gcc -> binutils-cross -> gcc-cross-initial -> linux-libc-headers -> glibc-initial -> glibc -> gcc-cross -> gcc-runtime + binutils-cross -> linux-libc-headers -> gcc-cross -> libgcc-initial -> glibc -> libgcc -> gcc-runtime -- ``gcc``: The build host's GNU Compiler Collection (GCC). +- ``gcc``: The compiler, GNU Compiler Collection (GCC). -- ``binutils-cross``: The bare minimum binary utilities needed in order - to run the ``gcc-cross-initial`` phase of the bootstrap operation. +- ``binutils-cross``: The binary utilities needed in order + to run the ``gcc-cross`` phase of the bootstrap operation and build the + headers for the C library. -- ``gcc-cross-initial``: An early stage of the bootstrap process for - creating the cross-compiler. This stage builds enough of the - ``gcc-cross``, the C library, and other pieces needed to finish - building the final cross-compiler in later stages. This tool is a - "native" package (i.e. it is designed to run on the build host). +- ``linux-libc-headers``: Headers needed for the cross-compiler and C library build. -- ``linux-libc-headers``: Headers needed for the cross-compiler. +- ``libgcc-initial``: An initial version of the gcc support library needed + to bootstrap ``glibc``. -- ``glibc-initial``: An initial version of the Embedded GNU C Library - (GLIBC) needed to bootstrap ``glibc``. +- ``libgcc``: The final version of the gcc support library which + can only be built once there is a C library to link against. - ``glibc``: The GNU C Library. @@ -1543,14 +1540,7 @@ follows: cross-compiler. This stage results in the actual cross-compiler that BitBake uses when it builds an image for a targeted device. - .. note:: - - If you are replacing this cross compiler toolchain with a custom - version, you must replace - gcc-cross - . - - This tool is also a "native" package (i.e. it is designed to run on + This tool is a "native" tool (i.e. it is designed to run on the build host). - ``gcc-runtime``: Runtime libraries resulting from the toolchain |