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Diffstat (limited to 'part3intro/toolchaintechnotes.xml')
| -rw-r--r-- | part3intro/toolchaintechnotes.xml | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/part3intro/toolchaintechnotes.xml b/part3intro/toolchaintechnotes.xml index aae3d7f3a..53c1f4a23 100644 --- a/part3intro/toolchaintechnotes.xml +++ b/part3intro/toolchaintechnotes.xml @@ -300,12 +300,11 @@ its library search order. Detailed information can be obtained from <command>ld</command> by passing it the <parameter>--verbose</parameter> flag. For example, <command>$LFS_TGT-ld --verbose | grep SEARCH</command> - will illustrate the current search paths and their order. It shows which - files are linked by <command>ld</command> by compiling a dummy program and - passing the <parameter>--verbose</parameter> switch to the linker. For - example, - <command>$LFS_TGT-gcc dummy.c -Wl,--verbose 2>&1 | grep succeeded</command> - will show all the files successfully opened during the linking.</para> + will illustrate the current search paths and their order. Note that this + example can be run as shown only while being user + <systemitem class="username">lfs</systemitem>. If you come back to this + page later, replace <command>$LFS_TGT-ld</command> with just + <command>ld</command>.</para> <para>The next package installed is gcc. An example of what can be seen during its run of <command>configure</command> is:</para> @@ -318,14 +317,18 @@ checking what linker to use... /mnt/lfs/tools/i686-lfs-linux-gnu/bin/ld</compute directories to find which tools to use. However, during the actual operation of <command>gcc</command> itself, the same search paths are not necessarily used. To find out which standard linker <command>gcc</command> - will use, run: <command>$LFS_TGT-gcc -print-prog-name=ld</command>.</para> + will use, run: <command>$LFS_TGT-gcc -print-prog-name=ld</command>. Again, + remove the <command>$LFS_TGT-</command> part if coming back to this + later.</para> <para>Detailed information can be obtained from <command>gcc</command> by passing it the <parameter>-v</parameter> command line option while compiling - a dummy program. For example, <command>gcc -v dummy.c</command> will show + a program. For example, <command>$LFS_TGT-gcc -v + <replaceable>example.c</replaceable></command> (or without <command> + $LFS_TGT-</command> if coming back later to this) will show detailed information about the preprocessor, compilation, and assembly - stages, including <command>gcc</command>'s included search paths and their - order.</para> + stages, including <command>gcc</command>'s search paths for included + headers and their order.</para> <para>Next installed are sanitized Linux API headers. These allow the standard C library (glibc) to interface with features that the Linux |