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Prevent spurious recompiles on account of changed version.

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After a local commit, any file that included version.h would have to
be recompiled on account of the changed version string. This changes
version.h in the build directory to rbversion.h and includes the
preprocessor macro from rbversion.h in firmware/common/version.c so
that only that one file needs to be recompiled after a local commit
rather than a whole slew of them.

Change-Id: I900d97e3a24a0610698283416d97b4fa3a3a2cf6
Reviewed-on: http://gerrit.rockbox.org/937
Reviewed-by: Michael Sevakis <jethead71@rockbox.org>
Tested: Michael Sevakis <jethead71@rockbox.org>
This commit is contained in:
Michael Sevakis 2014-08-27 20:47:46 -04:00
parent 25f73d6207
commit 21e2b595c2
4 changed files with 37 additions and 12 deletions
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15
tools/genversion.sh
View file

@ -8,22 +8,21 @@
# Usage: genversion.sh destination-dir path-to-version.sh [source-root]
# Generate version.h file
# Generate rbversion.h file
# XXX DO NOT TWEAK VERSION HERE, EDIT version.sh INSTEAD
VERSION=`$2 $3`
cat > "$1/_version.h" << EOF
cat > "$1/_rbversion.h" << EOF
/* Generated by genversion.sh */
extern const char rbversion[];
#define RBVERSION "$VERSION"
EOF
if [ -f "$1/version.h" ]
then if diff "$1/_version.h" "$1/version.h" > /dev/null
then rm -f "$1/_version.h"
else mv "$1/_version.h" "$1/version.h"
if [ -f "$1/rbversion.h" ]
then if diff "$1/_rbversion.h" "$1/rbversion.h" > /dev/null
then rm -f "$1/_rbversion.h"
else mv "$1/_rbversion.h" "$1/rbversion.h"
fi
else mv "$1/_version.h" "$1/version.h"
else mv "$1/_rbversion.h" "$1/rbversion.h"
fi