f09e17c3c5
- remove obsolete svn '$Id$' tags from all source files - update .fl files and generated files accordingly - replace 'http://www.fltk.org' URL's with 'https://...' - replace bug report URL 'str.php' with 'bugs.php' - remove trailing whitespace - fix other whitespace errors flagged by Git - add and/or fix missing or wrong standard headers - convert tabs to spaces in all source files The only relevant code changes are in the fluid/ folder where some .fl files and other source files were used to generate the '$Id' headers and footers.
144 lines
4.3 KiB
Plaintext
144 lines
4.3 KiB
Plaintext
============================================================================
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How to use `abi-compliance-checker' to test FLTK ABI compatibility (Linux)
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============================================================================
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This howto uses directories in /git/ as example directories. Please
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adjust versions and directory names as appropriate on your system.
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In this howto we compare FLTK 1.3.4-1 (last 1.3.x release as of Jan 02, 2019)
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with the current version (1.3.5) before it will be released.
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(1) Download 'abi-compliance-checker' from GitHub:
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$ cd /git
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$ git clone https://github.com/lvc/abi-compliance-checker.git
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Download directory: /git/abi-compliance-checker/
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(2) Use two different Git checkout (working) directories to build libs,
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for instance (as used in this example):
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(new) /git/fltk-1.3 current version = 1.3.5
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(old) /git/fltk-1.3.4-1 previous version = 1.3.4-1 [1]
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[1] The second working directory can be created from the first
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git working tree ( /git/fltk-1.3 ) with these commands:
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$ cd /git/fltk-1.3
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$ git worktree add /git/fltk-1.3.4-1 release-1.3.4-1
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This creates the worktree in /git/fltk-1.3.4-1 and checks the
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tag 'release-1.3.4-1' out.
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(3) Create two xml descriptions to test library compatibility in
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an arbitrary working directory (here: /git/workdir):
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--- fltk-1.3.4-1.xml ---
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<version>
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1.3.4-1
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</version>
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<headers>
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/git/fltk-1.3.4-1/FL/
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</headers>
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<skip_headers>
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win32.H
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mac.H
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</skip_headers>
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<libs>
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/git/fltk-1.3.4-1/src/
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/git/fltk-1.3.4-1/cairo/
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</libs>
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--- end of file ---
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--- fltk-1.3.5.xml ---
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<version>
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1.3.5
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</version>
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<headers>
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/git/fltk-1.3/FL/
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</headers>
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<skip_headers>
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win32.H
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mac.H
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</skip_headers>
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<libs>
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/git/fltk-1.3/src/
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/git/fltk-1.3/cairo/
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</libs>
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--- end of file ---
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(4) Configure and build both libraries with the same options.
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You *must* include '--enable-cairo' to build and compare the
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Cairo libs and '--enable-shared' to build the shared libs:
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$ make clean
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$ ./configure --enable-cairo --enable-shared --enable-debug
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$ make
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Note: you must *not* use '--with-abiversion' because we need to
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build the default ABI version.
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(5) Run `abi-compliance-checker.pl':
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$ cd /git/workdir
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$ /git/abi-compliance-checker/abi-compliance-checker.pl \
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-lib fltk -old fltk-1.3.4-1.xml -new fltk-1.3.5.xml
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Preparing, please wait ...
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Using GCC 7 (x86_64-linux-gnu, target: x86_64)
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WARNING: May not work properly with GCC 4.8.[0-2], 6.* and higher
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due to bug #78040 in GCC. Please try other GCC versions with the
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help of --gcc-path=PATH option or create ABI dumps by ABI Dumper
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tool instead to avoid using GCC. Test selected GCC version first
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by -test option.
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------------------------------------------------------------------
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--> ignore warning (but run `abi-compliance-checker.pl -test')
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------------------------------------------------------------------
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Checking header(s) 1.3.4-1 ...
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WARNING: can't find 'ctags' program
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Checking header(s) 1.3.5 ...
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WARNING: can't find 'ctags' program
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------------------------------------------------------------------
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--> ignore warning (or install 'ctags' and repeat)
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------------------------------------------------------------------
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Comparing ABIs ...
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Comparing APIs ...
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Creating compatibility report ...
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Binary compatibility: 100%
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Source compatibility: 100%
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Total binary compatibility problems: 0, warnings: 0
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Total source compatibility problems: 0, warnings: 1
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Report: compat_reports/fltk/1.3.4-1_to_1.3.5/compat_report.html
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(6) Check the generated report (last line above) with a browser:
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$ firefox compat_reports/fltk/1.3.4-1_to_1.3.5/compat_report.html
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(7) You may want to remove the additional worktree created above with:
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$ cd /git/fltk-1.3
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$ git worktree remove --force /git/fltk-1.3.4-1
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(8) Done.
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Note 1: The report as given above issued 100% ABI compatibility. The only
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warning was the different patch version number.
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Note 2: There are other recommended methods to use abi-compliance-checker
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together with abi-dumper, but this is not (yet) covered here (see
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abi-compliance-checker documentation).
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