patches/gcc/4.1.2/110-arm-eabi.patch
author Johannes Stezenbach <js@sig21.net>
Thu Jul 29 19:47:16 2010 +0200 (2010-07-29)
changeset 2045 fdaa6c7f6dea
parent 1 eeea35fbf182
permissions -rw-r--r--
cc/gcc: add option to compile against static libstdc++, for gcc-4.4 and newer

Idea and know-how taken from CodeSourcery build script.

Normal build:
$ ldd arm-unknown-linux-uclibcgnueabi-gcc
linux-gate.so.1 => (0xb77f3000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb76e8000)
libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb75a1000)
libm.so.6 => /lib/i686/cmov/libm.so.6 (0xb757a000)
/lib/ld-linux.so.2 (0xb77f4000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb755c000)

CC_STATIC_LIBSTDCXX=y:
$ ldd arm-unknown-linux-uclibcgnueabi-gcc
linux-gate.so.1 => (0xb7843000)
libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb76e6000)
/lib/ld-linux.so.2 (0xb7844000)

I made CC_STATIC_LIBSTDCXX default=y since I think
it is always desirable.

Signed-off-by: Johannes Stezenbach <js@sig21.net>
yann@13
     1
--- gcc-4.1.2.orig/gcc/config.gcc	2007-03-04 23:25:37.000000000 +0100
yann@13
     2
+++ gcc-4.1.2/gcc/config.gcc	2007-03-04 23:25:45.000000000 +0100
yann@1
     3
@@ -674,7 +674,7 @@
yann@1
     4
 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h" 
yann@13
     5
 	tmake_file="${tmake_file} t-linux arm/t-arm"
yann@1
     6
 	case ${target} in
yann@1
     7
-	arm*-*-linux-gnueabi)
yann@1
     8
+	arm*-*-linux-gnueabi | arm*-*-linux-uclibcgnueabi)
yann@1
     9
 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
yann@1
    10
 	    tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"
yann@1
    11
   	    # The BPABI long long divmod functions return a 128-bit value in 
yann@13
    12
--- gcc-4.1.2.orig/gcc/config/arm/linux-eabi.h	2005-11-15 15:32:13.000000000 +0100
yann@13
    13
+++ gcc-4.1.2/gcc/config/arm/linux-eabi.h	2007-03-04 23:25:45.000000000 +0100
yann@1
    14
@@ -53,7 +53,11 @@
yann@1
    15
 /* Use ld-linux.so.3 so that it will be possible to run "classic"
yann@1
    16
    GNU/Linux binaries on an EABI system.  */
yann@1
    17
 #undef LINUX_TARGET_INTERPRETER
yann@1
    18
+#ifdef USE_UCLIBC
yann@1
    19
+#define LINUX_TARGET_INTERPRETER "/lib/ld-uClibc.so.0"
yann@1
    20
+#else
yann@1
    21
 #define LINUX_TARGET_INTERPRETER "/lib/ld-linux.so.3"
yann@1
    22
+#endif
yann@1
    23
 
yann@1
    24
 /* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to
yann@1
    25
    use the GNU/Linux version, not the generic BPABI version.  */