Details on this package are located in Section 6.12.2, “Contents of Binutils.”
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5.9. Binutils-2.20.1 - Pass 2
The Binutils package contains a linker, an assembler, and other tools for handling object files.
Approximate build time:
1.3 SBU
Required disk space:
259 MB
5.9.1. Installation of Binutils
Create a separate build directory again:
mkdir -v ../binutils-build cd ../binutils-build
Prepare Binutils for compilation:
CC="$LFS_TGT-gcc -B/tools/lib/" \ AR=$LFS_TGT-ar RANLIB=$LFS_TGT-ranlib \ ../binutils-2.20.1/configure --prefix=/tools \ --disable-nls --with-lib-path=/tools/lib
The meaning of the new configure options:
-
CC="$LFS_TGT-gcc -B/tools/lib/" AR=$LFS_TGT-ar RANLIB=$LFS_TGT-ranlib -
Because this is really a native build of Binutils, setting these variables ensures that the build system uses the cross-compiler and associated tools instead of the ones on the host system.
-
--with-lib-path=/tools/lib -
This tells the configure script to specify the library search path during the compilation of Binutils, resulting in
/tools/libbeing passed to the linker. This prevents the linker from searching through library directories on the host.
Compile the package:
make
Install the package:
make install
Now prepare the linker for the “Re-adjusting” phase in the next chapter:
make -C ld clean make -C ld LIB_PATH=/usr/lib:/lib cp -v ld/ld-new /tools/bin
The meaning of the make parameters:
-
-C ld clean -
This tells the make program to remove all compiled files in the
ldsubdirectory. -
-C ld LIB_PATH=/usr/lib:/lib -
This option rebuilds everything in the
ldsubdirectory. Specifying theLIB_PATHMakefile variable on the command line allows us to override the default value of the temporary tools and point it to the proper final path. The value of this variable specifies the linker's default library search path. This preparation is used in the next chapter.