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Check for functions with arguments and the header #51

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Merged
nobu merged 1 commit into from
Jan 9, 2023
Merged

Check for functions with arguments and the header #51

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7 changes: 3 additions & 4 deletions ext/zlib/extconf.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -11,10 +11,9 @@
dir_config 'zlib'

libs = $libs
if %w'z libz zlib1 zlib zdll zlibwapi'.find {|z| have_library(z, 'deflateReset')} and
have_header('zlib.h') then
have_zlib = true
else
have_zlib = %w'z libz zlib1 zlib zdll zlibwapi'.any? {|z| have_library(z, 'deflateReset(NULL)', 'zlib.h')}

unless have_zlib
$libs = libs
unless File.directory?(zsrc = "#{$srcdir}/zlib")
dirs = Dir.open($srcdir) {|z| z.grep(/\Azlib-\d+[.\d]*\z/) {|x|"#{$srcdir}/#{x}"}}
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