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Remove useless configure probe for <lz4/lz4.h>.

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This seems to have been just copied-and-pasted from some other
header checks.  But our C code is entirely unprepared to support
such a header name, so it's only wasting cycles to look for it.
If we did need to support it, some #ifdefs would be required.

(A quick trawl at codesearch.debian.net finds some packages that
reference lz4/lz4.h; but they use *only* that spelling, and
appear to be intending to reference their own copy rather than
a system-level installation of liblz4.  There's no evidence of
freestanding installations that require this spelling.)

Discussion: https://postgr.es/m/457962.1616362509@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2021-03-22 11:20:44 -04:00
parent a4d5284a10
commit 2c75f8a612
4 changed files with 1 additions and 19 deletions
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1
src/tools/msvc/Solution.pm
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@ -313,7 +313,6 @@ sub GenerateFiles
HAVE_LONG_INT_64 => undef,
HAVE_LONG_LONG_INT_64 => 1,
HAVE_LZ4_H => undef,
HAVE_LZ4_LZ4_H => undef,
HAVE_MBARRIER_H => undef,
HAVE_MBSTOWCS_L => 1,
HAVE_MEMORY_H => 1,