Changeset 2431f30 in mainline for uspace/app/binutils/intrusive.sh

Timestamp:

2011-06-13T01:32:54Z (14 years ago)

Author:

Petr Koupy <petr.koupy@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c1198c2

Parents:

df56f5c

Message:

Build process debugged and improved.
Added intrusive patches to pass configure scripts.

File:

• uspace/app/binutils/intrusive.sh (modified) (1 diff)

uspace/app/binutils/intrusive.sh

@@ -34 +34 @@
 # would require too much complexity.
 #
+# List of patch descriptions:
+#
+# Patch 1
+# Even though binutils build process supports cross compilation where
+# build and host platforms are different, it is not easily applicable
+# to HelenOS. It would be difficult to satisfy binutils expectations
+# of host headers, libraries and tools on a build system (at least
+# until these are developed/ported). Another issue would be the 
+# necessity to carry out time consuming full canadian cross compilation
+# (even in case when build, host and target hardware platforms are the
+# same). Instead of going into such trouble, it is easier to leverage
+# already  built HelenOS toolchain as a first stage of canadian cross
+# and trick binutils scripts to do a simple cross compilation while 
+# actually doing second stage of canadian cross. Because binutils
+# configure scripts try to compile and execute various testing code, it
+# have to be ensured that these tests are skipped. Such behaviour can
+# be acomplished by patching cross compilation flag while leaving host
+# and build parameters empty (i.e. configure script believes it is
+# not doing cross compilation while skipping some testing as in the case
+# of cross compilation).
+# 
+# Patch 2
+# Enabled cross compilation flag brings along some anomalies which
+# have to reverted. 
+#
+# Patch 3
+# Binutils plugin support is dependent on libdl.so library.
+# By default, the plugin support is switched off for all
+# configure scripts of binutils. The only exception is configure
+# script of ld 2.21 (and possibly above), where plugin support
+# became mandatory (although not really needed).
+#
 
 case "$1" in
         "do")
-                # Binutils plugin support is dependent on libdl.so library.
-                # By default, the plugin support is switched off for all
-                # configure scripts of binutils. The only exception is configure
-                # script of ld 2.21 (and possibly above), where plugin support
-                # became mandatory (although not really needed). 
-                mv -f "$2/ld/configure" "$2/ld/configure.backup"
-                sed 's/enable_plugins=yes/enable_plugins=no/g' \
-                        < "$2/ld/configure.backup" > "$2/ld/configure"
+                # Backup original files.
+                cp -f "$2/configure" "$2/configure.backup"
+                cp -f "$2/bfd/configure" "$2/bfd/configure.backup"
+                cp -f "$2/gas/configure" "$2/gas/configure.backup"
+                cp -f "$2/intl/configure" "$2/intl/configure.backup"
+                cp -f "$2/ld/configure" "$2/ld/configure.backup"
+                cp -f "$2/libiberty/configure" "$2/libiberty/configure.backup"
+                cp -f "$2/opcodes/configure" "$2/opcodes/configure.backup"
+
+                # Patch main binutils configure script.
+                cat "$2/configure.backup" | \
+                # See Patch 1.
+                sed 's/^cross_compiling=no/cross_compiling=yes/g' \
+                > "$2/configure"
+
+                # Patch bfd configure script.
+                cat "$2/bfd/configure.backup" | \
+                # See Patch 1.
+                sed 's/^cross_compiling=no/cross_compiling=yes/g' \
+                > "$2/bfd/configure"
+
+                # Patch gas configure script.
+                cat "$2/gas/configure.backup" | \
+                # See Patch 1.
+                sed 's/^cross_compiling=no/cross_compiling=yes/g' \
+                > "$2/gas/configure"
+
+                # Patch intl configure script.
+                cat "$2/intl/configure.backup" | \
+                # See Patch 1.
+                sed 's/^cross_compiling=no/cross_compiling=yes/g' \
+                > "$2/intl/configure"
+
+                # Patch ld configure script.
+                cat "$2/ld/configure.backup" | \
+                # See Patch 1.
+                sed 's/^cross_compiling=no/cross_compiling=yes/g' | \
+                # See Patch 3.
+                sed 's/^enable_plugins=yes/enable_plugins=no/g' \
+                > "$2/ld/configure"
+
+                # Patch libiberty configure script.
+                cat "$2/libiberty/configure.backup" | \
+                # See Patch 1.
+                sed 's/^cross_compiling=no/cross_compiling=yes/g' \
+                > "$2/libiberty/configure"
+
+                # Patch opcodes configure script.
+                cat "$2/opcodes/configure.backup" | \
+                # See Patch 1.
+                sed 's/^cross_compiling=no/cross_compiling=yes/g' | \
+                # See Patch 2.
+                sed 's/BUILD_LIBS=-liberty/BUILD_LIBS=..\/libiberty\/libiberty.a/g' \
+                > "$2/opcodes/configure"
+
                 ;;
         "undo")
+                # Restore original files.
+                mv -f "$2/configure.backup" "$2/configure"
+                mv -f "$2/bfd/configure.backup" "$2/bfd/configure"
+                mv -f "$2/gas/configure.backup" "$2/gas/configure"
+                mv -f "$2/intl/configure.backup" "$2/intl/configure"
                 mv -f "$2/ld/configure.backup" "$2/ld/configure"
+                mv -f "$2/libiberty/configure.backup" "$2/libiberty/configure"
+                mv -f "$2/opcodes/configure.backup" "$2/opcodes/configure"
                 ;;
         *)