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libapparmor: Fix ruby 3.1 build for libapparmor

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The Hack used to build the libapparmor swig interface for ruby fails
with ruby 3.1.  Instead of trying to do black magic in ruby to rename
the generated Makefile to Makefile.new, just save off the Makefile
and restore after ruby's setup has been called.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/206
Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Christian Boltz <apparmor@cboltz.de>
This commit is contained in:
John Johansen 2022-01-26 08:04:04 -08:00
parent 0e52b555ae
commit 1ca30e35b0
3 changed files with 7 additions and 13 deletions
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2
.gitignore vendored
View file

@ -177,7 +177,7 @@ libraries/libapparmor/swig/ruby/LibAppArmor_wrap.c
libraries/libapparmor/swig/ruby/LibAppArmor_wrap.o
libraries/libapparmor/swig/ruby/Makefile
libraries/libapparmor/swig/ruby/Makefile.in
libraries/libapparmor/swig/ruby/Makefile.new
libraries/libapparmor/swig/ruby/Makefile.bak
libraries/libapparmor/swig/ruby/Makefile.ruby
libraries/libapparmor/swig/ruby/mkmf.log
libraries/libapparmor/testsuite/.deps

4
libraries/libapparmor/swig/ruby/Makefile.am
View file

@ -9,7 +9,9 @@ LibAppArmor_wrap.c : $(srcdir)/../SWIG/libapparmor.i
MOSTLYCLEANFILES=LibAppArmor_wrap.c
Makefile.ruby: extconf.rb
mv Makefile Makefile.bak
PREFIX=$(prefix) $(RUBY) $< --with-LibAppArmor-include=$(top_srcdir)/include
mv Makefile.bak Makefile
LibAppArmor.so: LibAppArmor_wrap.c Makefile.ruby
$(MAKE) -fMakefile.ruby
@ -22,7 +24,7 @@ install-exec-local: Makefile.ruby
clean-local:
if test -f Makefile.ruby; then $(MAKE) -fMakefile.ruby clean; fi
rm -f Makefile.ruby Makefile.new
rm -f Makefile.ruby Makefile.bak
rm -f *.o *.so *.log
endif

14
libraries/libapparmor/swig/ruby/extconf.rb
View file

@ -2,16 +2,8 @@
require 'mkmf'
# hack 1: ruby black magic to write a Makefile.new instead of a Makefile
alias open_orig open
def open(path, mode=nil, perm=nil)
path = 'Makefile.new' if path == 'Makefile'
if block_given?
open_orig(path, mode, perm) { |io| yield(io) }
else
open_orig(path, mode, perm)
end
end
# hack 1: Before extconf.rb gets called, Makefile gets backed up, and
# restored afterwards (see Makefile.am)
if ENV['PREFIX']
prefix = CONFIG['prefix']
@ -27,7 +19,7 @@ if find_library('apparmor', 'parse_record', '../../src/.libs') and
# hack 2: strip all rpath references
open('Makefile.ruby', 'w') do |out|
IO.foreach('Makefile.new') do |line|
IO.foreach('Makefile') do |line|
out.puts line.gsub(/-Wl,-R'[^']*'/, '')
end
end