patches/gcc/4.4.0/340-libmudflap-susv3-legacy.patch
author Johannes Stezenbach <js@sig21.net>
Thu Jul 29 19:47:16 2010 +0200 (2010-07-29)
changeset 2045 fdaa6c7f6dea
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>
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diff -durN gcc-4.4.0.orig/libmudflap/mf-hooks2.c gcc-4.4.0/libmudflap/mf-hooks2.c
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--- gcc-4.4.0.orig/libmudflap/mf-hooks2.c	2009-04-10 01:23:07.000000000 +0200
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+++ gcc-4.4.0/libmudflap/mf-hooks2.c	2009-05-27 21:39:00.000000000 +0200
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@@ -421,7 +421,7 @@
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 {
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   TRACE ("%s\n", __PRETTY_FUNCTION__);
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   MF_VALIDATE_EXTENT(s, n, __MF_CHECK_WRITE, "bzero region");
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-  bzero (s, n);
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+  memset (s, 0, n);
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 }
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@@ -431,7 +431,7 @@
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   TRACE ("%s\n", __PRETTY_FUNCTION__);
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   MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "bcopy src");
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   MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "bcopy dest");
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-  bcopy (src, dest, n);
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+  memmove (dest, src, n);
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 }
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@@ -441,7 +441,7 @@
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   TRACE ("%s\n", __PRETTY_FUNCTION__);
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   MF_VALIDATE_EXTENT(s1, n, __MF_CHECK_READ, "bcmp 1st arg");
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   MF_VALIDATE_EXTENT(s2, n, __MF_CHECK_READ, "bcmp 2nd arg");
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-  return bcmp (s1, s2, n);
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+  return n == 0 ? 0 : memcmp (s1, s2, n);
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 }
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@@ -450,7 +450,7 @@
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   size_t n = strlen (s);
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   TRACE ("%s\n", __PRETTY_FUNCTION__);
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   MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "index region");
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-  return index (s, c);
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+  return strchr (s, c);
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 }
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@@ -459,7 +459,7 @@
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   size_t n = strlen (s);
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   TRACE ("%s\n", __PRETTY_FUNCTION__);
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   MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "rindex region");
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-  return rindex (s, c);
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+  return strrchr (s, c);
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 }
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 /* XXX:  stpcpy, memccpy */