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Substitute from the actual netinet6/in6.h

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Xcode no longer links the system include files directory to `/usr`.
Extract the actual header file path from cpp output.
This commit is contained in:
Nobuyoshi Nakada 2022-11-04 17:38:28 +09:00
parent 7e3af23d1d
commit cb18deee72
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GPG key ID: 7CD2805BFA3770C6
1 changed files with 13 additions and 5 deletions
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18
ext/socket/extconf.rb
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@ -655,12 +655,20 @@ EOS
end
hdr = "netinet6/in6.h"
if /darwin/ =~ RUBY_PLATFORM and !try_compile(<<"SRC", nil, :werror=>true)
/darwin/ =~ RUBY_PLATFORM and
checking_for("if apple's #{hdr} needs s6_addr patch") {!try_compile(<<"SRC", nil, :werror=>true)} and
#include <netinet/in.h>
int t(struct in6_addr *addr) {return IN6_IS_ADDR_UNSPECIFIED(addr);}
SRC
print "fixing apple's netinet6/in6.h ..."; $stdout.flush
in6 = File.read("/usr/include/#{hdr}")
checking_for("fixing apple's #{hdr}", "%s") do
file = xpopen(%w"clang -include netinet/in.h -E -xc -", in: IO::NULL) do |f|
re = %r[^# *\d+ *"(.*/netinet/in\.h)"]
Logging.message " grep(#{re})\n"
f.read[re, 1]
end
Logging.message "Substitute from #{file}\n"
in6 = File.read(file)
if in6.gsub!(/\*\(const\s+__uint32_t\s+\*\)\(const\s+void\s+\*\)\(&(\(\w+\))->s6_addr\[(\d+)\]\)/) do
i, r = $2.to_i.divmod(4)
if r.zero?
@ -673,9 +681,9 @@ SRC
open(hdr, "w") {|f| f.write(in6)}
$distcleanfiles << hdr
$distcleandirs << File.dirname(hdr)
puts "done"
"done"
else
puts "not needed"
"not needed"
end
end
create_makefile("socket")