diff options
Diffstat (limited to 'doc/guide')
| -rw-r--r-- | doc/guide/files/fixes.xml | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/doc/guide/files/fixes.xml b/doc/guide/files/fixes.xml index 13db0d5126d..086132c638c 100644 --- a/doc/guide/files/fixes.xml +++ b/doc/guide/files/fixes.xml @@ -1,4 +1,4 @@ -<!-- $NetBSD: fixes.xml,v 1.38 2005/11/13 03:27:20 minskim Exp $ --> +<!-- $NetBSD: fixes.xml,v 1.39 2005/11/21 09:27:04 rillig Exp $ --> <chapter id="fixes"> <?dbhtml filename="fixes.html"?> <title>Making your package work</title> @@ -838,9 +838,9 @@ <programlisting><![CDATA[ #include <sys/param.h> #if (defined(BSD) && BSD >= 199306) - /* your BSD-specific code goes here */ + /* BSD-specific code goes here */ #else - /* non-BSD-specific code */ + /* non-BSD-specific code goes here */ #endif ]]></programlisting> @@ -854,7 +854,7 @@ Linux linux, __linux, __linux__ NetBSD __NetBSD__ OpenBSD __OpenBSD__ - Solaris sun, __sun (GCC and SunPro), __sun__ (only GCC) + Solaris sun, __sun </programlisting> </sect3><sect3 id="fixes-build-cpp-cpu"> @@ -871,23 +871,51 @@ <programlisting> GCC __GNUC__ (major version), __GNUC_MINOR__ + SunPro __SUNPRO_C (0x570 for version 5.7) </programlisting> </sect3> </sect2> + <sect2 id="cpp-list-examples"> + <title>Examples of CPP defines for some platforms</title> + + <para>The list of the CPP identification macros for hardware and + operating system may depend on the compiler that is used. The + following list contains some examples that may help you to choose + the right ones. For example, if you want to conditionally compile + code on Solaris, don't use <varname>__sun__</varname>, as the + SunPro compiler does not define it. Use <varname>__sun</varname> + instead.</para> + + <variablelist> + <varlistentry><term>SunPro 5.7 + Solaris 8 + SPARC</term> + <listitem><para>__SVR4 __sparc __sun __unix sparc sun + unix</para></listitem></varlistentry> + + <varlistentry><term>GCC 4 + Solaris 8 + SPARC</term> + <listitem><para>__ELF__ __sparc __sparc__ __sun __sun__ __SVR4 + __svr4__ __unix __unix__ sparc sun unix</para></listitem> + </varlistentry> + + </variablelist> + </sect2> + <sect2 id="cpp-list"> <title>Getting a list of CPP defines</title> - <para> - When your system uses the GNU C Compiler, you can get a list - of symbols that are defined by default, e.g. to identify - the platform, with the following command: - </para> + <para>If your system uses the GNU C Compiler, you can get a list + of symbols that are defined by default, e.g. to identify the + platform, with the following command:</para> <programlisting> <![CDATA[gcc -E -dM - < /dev/null ]]> </programlisting> + + <para>On other systems you may get the list by using the system's + syscall trace utility (ktrace, truss, strace) to have a look which + arguments are passed to the actual compiler.</para> + </sect2> </sect1> |