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1) Disabled abi_check rule for all compilers except gcc
2) restored the -dI option to retain the header information.
Makefile.am:
1) changed all-local to depend on a configure variable
that will be set based on if the compiler is gcc.
2) restored the -dI option removed earlier since now
only gcc is being used.
configure.in:
Added a check to see if gcc is being used. If it is being
used set the ABI_CHECK variable to the abi_check target.
include/mysql.h.pp:
The .pp file is changed to correspond to the option
-dI.
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1) Remove solaris sparc specific output produced by the
pre-processor in the .out files
2) Ensure compatibility of preprocessor options for solaris/sparc
platform.
Makefile.am:
1) Added a sed regular expression to remove output produced
by the preprocessor in the solaris sparc platform
2) Removed the -dI option from the preprocessor to enable
solaris/sparc compatibility
include/mysql.h.pp:
Since the -dI option has been removed from the preprocessor
the .pp files will correspondingly change.
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added a rule that use gcc to generate preprocessor output (gcc -E)
that can be then compared to a already generated output using
the diff utility.
Ran make test on the repository to verify changes.
Makefile.am:
Added a rule for checking that the abi/api has not changed.
The following steps are followed in the rule in makefile.am
1) Generate preprocessor output for the files that need to
be tested for abi/api changes. use -nostdinc to prevent
generation of preprocessor output for system headers. This
results in messages in stderr saying that these headers
were not found. Redirect the stderr output to /dev/null
to prevent seeing these messages.
2) sed the output to remove blank lines and lines that begin
with # (The header information is retained to enable easy
analysis of abi diffs at a later stage).
3) diff the generated file and the canons (.pp files already in
the repository).
4) delete the .out file that is generated.
If the diff fails, the generated file is not removed. This will
be useful for analysis of ABI differences (e.g. using a visual
diff tool).
A ABI change that causes a build to fail will always be
accompanied by new canons (.out files). The .out files that
are not removed will be replaced as the new .pp files.
e.g. If include/mysql/plugin.h has an ABI change then this
rule would leave a include/mysql/plugin.out file.
A developer with a justified API change will then do a
mv include/mysql/plugin.out include/mysql/plugin.pp to
replace the old canons with the new ones.
configure.in:
1) Removed the part of the file that was icheck related.
2) Added an entry for the configure variable DIFF
include/mysql.h.pp:
The pre-processor output canon file for include/mysql.h
include/mysql/plugin.h.pp:
The pre-processor output canon file for include/mysql/plugin.h
include/mysql_h.ic:
since the icheck target has been removed, this file need
no longer be present in the repository
sql/mysql_priv.h.pp:
The pre-processor output canon file for sql/mysql_priv.h
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