Merge pull request #5740 from dearblue/src-include

Avoid adding `MRUBY_ROOT/src` to `cc.include_paths`

mrbgems/mruby-errno/mrbgem.rake

@@ -1,6 +1,4 @@
 MRuby::Gem::Specification.new('mruby-errno') do |spec|
   spec.license = 'MIT'
   spec.authors = 'Internet Initiative Japan Inc.'
-
-  spec.cc.include_paths << "#{build.root}/src"
 end

mrbgems/mruby-io/mrbgem.rake

@@ -3,8 +3,6 @@ MRuby::Gem::Specification.new('mruby-io') do |spec|
   spec.authors = ['Internet Initiative Japan Inc.', 'mruby developers']
   spec.summary = 'IO and File class'
 
-  spec.cc.include_paths << "#{build.root}/src"
-
   if spec.for_windows?
     spec.linker.libraries << "ws2_32"
   end

mrbgems/mruby-pack/mrbgem.rake

@@ -2,6 +2,4 @@ MRuby::Gem::Specification.new('mruby-pack') do |spec|
   spec.license = 'MIT'
   spec.authors = ['Internet Initiative Japan Inc.', 'mruby developers']
   spec.summary = 'Array#pack and String#unpack method'
-
-  spec.cc.include_paths << "#{build.root}/src"
 end

mrbgems/mruby-socket/mrbgem.rake

@@ -3,7 +3,6 @@ MRuby::Gem::Specification.new('mruby-socket') do |spec|
   spec.authors = ['Internet Initiative Japan', 'mruby developers']
   spec.summary = 'standard socket class'
 
-  spec.cc.include_paths << "#{build.root}/src"
   #spec.cc.defines << "HAVE_SA_LEN=0"
 
   # If Windows, use winsock