110-uclibc-conf.patch

用于生成linux操作系统下的交叉编译工具链和嵌入式linux系统的根文件系统,支持x86、arm、powerpc等处理器

Use the patch by Carl Miller <[e-mail]> for powerpc, with
some minor modifications.  Changed *os_uclibc to *os_linux_uclibc since
at some point we might support other platforms.  Also updated to 3.3.3.
diff -urN gcc-3.3.3/gcc/config/rs6000/linux.h gcc-3.3.3-new/gcc/config/rs6000/linux.h
--- gcc-3.3.3/gcc/config/rs6000/linux.h	2003-11-14 00:46:10.000000000 -0600
+++ gcc-3.3.3-new/gcc/config/rs6000/linux.h	2004-02-16 21:13:40.000000000 -0600
@@ -64,7 +64,11 @@
 #define LINK_START_DEFAULT_SPEC "%(link_start_linux)"
 
 #undef	LINK_OS_DEFAULT_SPEC
+#ifdef USE_UCLIBC
+#define LINK_OS_DEFAULT_SPEC "%(link_os_linux_uclibc)"
+#else
 #define LINK_OS_DEFAULT_SPEC "%(link_os_linux)"
+#endif
 
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (PowerPC GNU/Linux)");
diff -urN gcc-3.3.3/gcc/config/rs6000/sysv4.h gcc-3.3.3-new/gcc/config/rs6000/sysv4.h
--- gcc-3.3.3/gcc/config/rs6000/sysv4.h	2003-10-28 13:55:41.000000000 -0600
+++ gcc-3.3.3-new/gcc/config/rs6000/sysv4.h	2004-02-16 21:13:40.000000000 -0600
@@ -968,9 +968,11 @@
 %{mcall-linux: %(link_os_linux) } \
 %{mcall-gnu: %(link_os_gnu) } \
 %{mcall-netbsd: %(link_os_netbsd) } \
+%{mcall-uclibc: %(link_os_linux_uclibc) } \
 %{!mads: %{!myellowknife: %{!mmvme: %{!msim: %{!mwindiss: \
          %{!mcall-freebsd: %{!mcall-linux: %{!mcall-gnu: \
-         %{!mcall-netbsd: %(link_os_default) }}}}}}}}}"
+         %{!mcall-netbsd: %{!mcall-uclibc: \
+         %(link_os_default) }}}}}}}}}}"
 
 #define LINK_OS_DEFAULT_SPEC ""
 
@@ -1307,6 +1309,12 @@
 
 #define LINK_OS_WINDISS_SPEC ""
 
+/* uClibc support for Linux. */
+
+#define LINK_OS_LINUX_UCLIBC_SPEC "-m elf32ppclinux %{!shared: %{!static: \
+  %{rdynamic:-export-dynamic} \
+  %{!dynamic-linker:-dynamic-linker /lib/ld-uClibc.so.0}}}"
+
 /* Define any extra SPECS that the compiler needs to generate.  */
 /* Override rs6000.h definition.  */
 #undef	SUBTARGET_EXTRA_SPECS
@@ -1372,6 +1380,7 @@
   { "link_os_netbsd",		LINK_OS_NETBSD_SPEC },			\
   { "link_os_vxworks",		LINK_OS_VXWORKS_SPEC },			\
   { "link_os_windiss",		LINK_OS_WINDISS_SPEC },			\
+  { "link_os_linux_uclibc",	LINK_OS_LINUX_UCLIBC_SPEC },		\
   { "link_os_default",		LINK_OS_DEFAULT_SPEC },			\
   { "cc1_endian_big",		CC1_ENDIAN_BIG_SPEC },			\
   { "cc1_endian_little",	CC1_ENDIAN_LITTLE_SPEC },		\