patches/gcc/4.3.1/120-java-nomulti.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Sep 09 00:02:01 2009 +0200 (2009-09-09)
changeset 1525 4647e6fb994a
parent 746 b150d6f590fc
permissions -rw-r--r--
gcc: add patch to fix EABI for armv4t

As pointed out by Martin GUY, gcc incorrectly generates armv5t
instrcutions for EABI, even for cores that are an armv4t.
The new patch (for the 4.3 series) fixes the problem by downgrading
the default CPU for EABI to being an armv4t core.
     1 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/gentoo/03_all_gcc43-java-nomulti.patch
     2 diff -durN gcc-4.3.1.orig/libjava/configure gcc-4.3.1/libjava/configure
     3 --- gcc-4.3.1.orig/libjava/configure	2008-06-06 16:49:11.000000000 +0200
     4 +++ gcc-4.3.1/libjava/configure	2008-06-10 14:57:38.000000000 +0200
     5 @@ -1018,6 +1018,8 @@
     6    --enable-gconf-peer     compile GConf native peers for util.preferences
     7    --enable-java-maintainer-mode
     8                            allow rebuilding of .class and .h files
     9 +  --enable-libjava-multilib
    10 +                          build libjava as multilib
    11    --disable-dependency-tracking  speeds up one-time build
    12    --enable-dependency-tracking   do not reject slow dependency extractors
    13    --enable-maintainer-mode  enable make rules and dependencies not useful
    14 @@ -1850,6 +1852,16 @@
    15  fi
    16  
    17  
    18 +# Check whether --enable-libjava-multilib was given.
    19 +if test "${enable_libjava_multilib+set}" = set; then
    20 +  enableval=$enable_libjava_multilib;
    21 +fi
    22 +
    23 +if test "$enable_libjava_multilib" = no; then
    24 +  multilib=no
    25 +  ac_configure_args="$ac_configure_args --disable-multilib"
    26 +fi
    27 +
    28  # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
    29  
    30  
    31 diff -durN gcc-4.3.1.orig/libjava/configure.ac gcc-4.3.1/libjava/configure.ac
    32 --- gcc-4.3.1.orig/libjava/configure.ac	2007-12-22 16:48:46.000000000 +0100
    33 +++ gcc-4.3.1/libjava/configure.ac	2008-06-10 14:57:38.000000000 +0200
    34 @@ -82,6 +82,13 @@
    35  	[allow rebuilding of .class and .h files]))
    36  AM_CONDITIONAL(JAVA_MAINTAINER_MODE, test "$enable_java_maintainer_mode" = yes)
    37  
    38 +AC_ARG_ENABLE(libjava-multilib,
    39 +	AS_HELP_STRING([--enable-libjava-multilib], [build libjava as multilib]))
    40 +if test "$enable_libjava_multilib" = no; then
    41 +  multilib=no
    42 +  ac_configure_args="$ac_configure_args --disable-multilib"
    43 +fi
    44 +
    45  # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
    46  GCC_NO_EXECUTABLES
    47