patches/gcc/4.4.6/120-java-nomulti.patch
author "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
Wed Jun 08 15:47:43 2011 +0200 (2011-06-08)
changeset 2508 9e2761e59a75
parent 2149 98b7806295cc
permissions -rw-r--r--
debug/cross-gdb: check host dependencies

Cross-gdb depends on expat and python. If either is missing, cross-gdb will
build successfully, but lacking some features.

Especially, if expat is missing, cross-gdb will be unable to parse the target
description, which may lead to runtime malfunctions and the following GDB
warning:
"Can not parse XML target description; XML support was disabled at compile time"

Hence, expat should be considered mandatory.

On the other hand, the features missing without python are not critical, so
python should not be considered mandatory.

This patch does the following:
- At configure time, warn the user if either expat or python is missing.
- In menuconfig, disable the static build options regarding cross-gdb if no
static version of expat is available, and disable cross-gdb if expat is
missing.

Signed-off-by: "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
[yann.morin.1998@anciens.enib.fr: add comment for impossible static cross-gdb]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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diff -durN gcc-4.4.5.orig/libjava/configure gcc-4.4.5/libjava/configure
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--- gcc-4.4.5.orig/libjava/configure	2010-10-01 10:26:18.000000000 +0200
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+++ gcc-4.4.5/libjava/configure	2010-10-09 22:58:04.000000000 +0200
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@@ -1022,6 +1022,8 @@
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                           default=yes
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   --enable-java-maintainer-mode
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                           allow rebuilding of .class and .h files
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+  --enable-libjava-multilib
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+                          build libjava as multilib
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   --disable-dependency-tracking  speeds up one-time build
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   --enable-dependency-tracking   do not reject slow dependency extractors
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   --enable-maintainer-mode  enable make rules and dependencies not useful
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@@ -1974,6 +1976,16 @@
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 fi
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+# Check whether --enable-libjava-multilib was given.
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+if test "${enable_libjava_multilib+set}" = set; then
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+  enableval=$enable_libjava_multilib;
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+fi
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+
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+if test "$enable_libjava_multilib" = no; then
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+  multilib=no
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+  ac_configure_args="$ac_configure_args --disable-multilib"
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+fi
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+
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 # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
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diff -durN gcc-4.4.5.orig/libjava/configure.ac gcc-4.4.5/libjava/configure.ac
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--- gcc-4.4.5.orig/libjava/configure.ac	2010-06-11 13:49:16.000000000 +0200
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+++ gcc-4.4.5/libjava/configure.ac	2010-10-09 22:58:04.000000000 +0200
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@@ -139,6 +139,13 @@
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 	[allow rebuilding of .class and .h files]))
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 AM_CONDITIONAL(JAVA_MAINTAINER_MODE, test "$enable_java_maintainer_mode" = yes)
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+AC_ARG_ENABLE(libjava-multilib,
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+	AS_HELP_STRING([--enable-libjava-multilib], [build libjava as multilib]))
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+if test "$enable_libjava_multilib" = no; then
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+  multilib=no
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+  ac_configure_args="$ac_configure_args --disable-multilib"
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+fi
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+
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 # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
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 GCC_NO_EXECUTABLES
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