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+>i386/Linux Synthetic Target Setup</TITLE
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+TITLE="i386 PC Hardware Setup"
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+>eCos User Guide</TH
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+>Prev</A
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+><TD
+WIDTH="80%"
+ALIGN="center"
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+>Appendix A. Target Setup</TD
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+><DIV
+CLASS="SECT1"
+><H1
+CLASS="SECT1"
+><A
+NAME="SETUP-SYNTH-I386LINUX">i386/Linux Synthetic Target Setup</H1
+><P
+>When building for the synthetic Linux target, the resulting
+binaries are native Linux applications with the HAL providing suitable
+bindings between the eCos kernel and the Linux kernel.</P
+><DIV
+CLASS="NOTE"
+><BLOCKQUOTE
+CLASS="NOTE"
+><P
+><B
+>Note: </B
+>Please be aware that the current implementation of the Linux
+synthetic target does not allow thread-aware debugging.</P
+></BLOCKQUOTE
+></DIV
+><P
+>These Linux applications cannot be run on a Windows system.
+However, it is possible to write a similar HAL emulation for the
+Windows kernel if such a testing target is desired.</P
+><DIV
+CLASS="SECT2"
+><H2
+CLASS="SECT2"
+><A
+NAME="AEN4471">Tools</H2
+><P
+>For the synthetic target, eCos relies on features not available
+in native compilers earlier than gcc-2.95.1. It also requires version
+2.9.5 or later of the GNU linker. If you have gcc-2.95.1 or later
+and ld version 2.9.5 or later, then you do not need to build new
+tools. eCos does not support earlier versions. You can check the compiler
+version using <B
+CLASS="COMMAND"
+>gcc -v</B
+>
+and the linker version using <B
+CLASS="COMMAND"
+>ld
+-v</B
+>.</P
+><P
+>If you have native tools that are sufficiently recent for
+use with eCos, you should be aware that by default eCos assumes
+that the tools <B
+CLASS="COMMAND"
+>i686-pc-linux-gnu-gcc</B
+>, <B
+CLASS="COMMAND"
+>i686-pc-linux-gnu-ar</B
+>,
+ <B
+CLASS="COMMAND"
+>i686-pc-linux-gnu-ld</B
+>, and <B
+CLASS="COMMAND"
+>i686-pc-linux-gnu-objcopy</B
+> are
+on your system and are the correct versions for use with eCos. But
+instead, you can tell eCos to use your native tools by editing the
+configuration value "Global command prefix" (CYGBLD_GLOBAL_COMMAND_PREFIX)
+in your eCos configuration. If left empty (i.e. set to the empty
+string) eCos will use your native tools when building.</P
+><P
+>If you have any difficulties, it is almost certainly easiest
+overall to rebuild the tools as described on: <A
+HREF="http://sources.redhat.com/ecos/getstart.html"
+TARGET="_top"
+>http://sources.redhat.com/ecos/getstart.html</A
+></P
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+>
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