sbsv2/raptor/notes/nodebug.txt
author jascui
Wed, 17 Nov 2010 13:45:48 +0800
changeset 689 b70d8ea6cf75
parent 625 a1925fb7753a
permissions -rw-r--r--
Updating release text and product version
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
625
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
     1
The "nodebug" variant causes executables to be built without debug
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
     2
information.  It does not affect the macros that are passed to debug
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
     3
executables or the optimisation flags.
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
     4
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
     5
The use case for nodebug is for a situation where some executables are
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
     6
so large that they trigger a problem in RVCT2.2's linker for the "udeb"
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
     7
version of the executable but not for the "urel" version.  There is no
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
     8
known solution for this problem without using a new compiler and since
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
     9
it isn't currently possible to use different compilers in the same build
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    10
this is not an option.
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    11
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    12
This variant makes the udeb build of the executable much less useful for
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    13
debugging purposes so it is an undesirable workaround for a build problem but
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    14
there is no alternative.   Newer versions of Symbian support newer compilers
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    15
and will not need this feature.  It is also not needed when building with GCCE.
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    16
We strongly recommend against using this feature.
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    17
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    18
For exectuables with this problem one must use the APPLY keyword in the mmp
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    19
like so:
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    20
a1925fb7753a sbs version 2.15.0
Richard Taylor <richard.i.taylor@nokia.com>
parents:
diff changeset
    21
apply nodebug