From: "nagachika (Tomoyuki Chikanaga)" <nagachika00@...>
Date: 2013-07-03T23:37:18+09:00
Subject: [ruby-core:55779] [ruby-trunk - Bug #8595] mkmf.rb pkg_config modifies $LDFLAGS


Issue #8595 has been updated by nagachika (Tomoyuki Chikanaga).

Backport changed from 1.9.3: DONTNEED, 2.0.0: REQUIRED to 1.9.3: DONTNEED, 2.0.0: DONE


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Bug #8595: mkmf.rb pkg_config modifies $LDFLAGS
https://bugs.ruby-lang.org/issues/8595#change-40274

Author: sorah (Shota Fukumori)
Status: Closed
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: 
Target version: 
ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674) [x86_64-linux]
Backport: 1.9.3: DONTNEED, 2.0.0: DONE


=begin
mkmf.rb's pkg_config modifies $LDFLAGS after 2.0.0 (r35605 ?) like the following:

 # ruby 1.9.3p392 (2013-02-22 revision 39386) [x86_64-linux]
 p $LDFLAGS #=> "-L.  -rdynamic -Wl,-export-dynamic"
 p pkg_config('libxml-2.0') #=> ["-I/usr/include/libxml2  ", "", "-lxml2  "]
 p $LDFLAGS #=> "-L.  -rdynamic -Wl,-export-dynamic "
 
 # ruby 2.0.0p247 (2013-06-27 revision 41674) [x86_64-linux]
 p $LDFLAGS #=> "-L. -fstack-protector -rdynamic -Wl,-export-dynamic"
 p pkg_config('libxml-2.0') #=> ["-I/usr/include/libxml2", "", "-lxml2"]
 p $LDFLAGS #=> "-lxml2 "
 
 
 # 2.0.0 + my patch
 p $LDFLAGS #=> "-L. -fstack-protector -rdynamic -Wl,-export-dynamic"
 p pkg_config('libxml-2.0') #=> ["-I/usr/include/libxml2", "", "-lxml2"]
 p $LDFLAGS #=> "-L. -fstack-protector -rdynamic -Wl,-export-dynamic "

attached patch fixes this to 1.9.3 behaviour.

I'll commit this if there's no problem.

=end



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