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From: | Bruno Haible |
Subject: | improve cross-compilation guesses for native Windows |
Date: | Thu, 13 Jul 2017 21:17:55 +0200 |
User-agent: | KMail/5.1.3 (Linux/4.4.0-83-generic; KDE/5.18.0; x86_64; ; ) |
Hi, I'm adding cross-compilation guesses for native Windows, so that cross- compilation to e.g. mingw using the Debian cross packages should now work properly. For reference, the way I produced this change is as follows: 1) Determine list of files: rm -f `find . -name '*~'` grep -rl AC_RUN_IFELSE m4 | LC_ALL=C sort > files 2) Determine list of modules: { for f in `cat files`; do ./gnulib-tool --find $f ; done; (cd modules && ls -1 *-ieee); } | grep -v '^fchownat$' | LC_ALL=C sort -u > cross-modules 3) Create a testdir: ./gnulib-tool --create-testdir --dir=../testdir-cross --single-configure `cat cross-modules` 4) Build it with mingw and msvc 5) Collect the configure output log files. mingw32.out mingw64.out msvc32.out msvc64.out 6) Extract the relevant messages. for f in `cat files` ; do sed -n -e 's/^.*AC_CACHE_CHECK(\[\([^]]*\).*$/checking \1/p' < $f ; done > msgs while read msg ; do echo ; echo "grep '$msg...'" ; grep "$msg"'\.\.\.' *.out ; done < msgs | grep -v '(cached)' > results 7) Add each respective case to the 'case "$host_os" in ...' statement. I added the case for native Windows also for those tests where it is the same as the fallback. This is for maintainaibility: It gives us the freedom to change the fallback from, say, "guessing no" to "guessing yes", without regressing on native Windows. Bruno
0001-Improve-cross-compilation-guesses-for-native-Windows.patch
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0002-Improve-cross-compilation-guesses-for-native-Windows.patch
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0003-Improve-cross-compilation-guesses-for-native-Windows.patch.gz
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0004-Revisit-cross-compilation-guesses.patch
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results
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