Build for Linux

[newchief]

I had to make some changes in order to be able to build for Linux (Gentoo Linux with wxGTK-2.9.4.1-r1 from distribution):

1. a symlink ../lib -> /usr/lib as clang's stddef.h need to be found in ../lib/clang/3.3/include during binding generation
2. _unsafe.rs.patch should not be applied on Linux:
   diff --git a/CMakeLists.txt b/CMakeLists.txt
   index 2a8e19e..da4054f 100644
   --- a/CMakeLists.txt
   +++ b/CMakeLists.txt
   @@ -28,7 +28,7 @@ add_custom_command(
   --include time.h
   ${GENSRCS}
   > src/_unsafe.rs

• COMMAND patch -p0 < src/_unsafe.rs.patch
  +# COMMAND patch -p0 < src/_unsafe.rs.patch
  DEPENDS bindgen.dummy ${GENSRCS}
  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  )

3. wxWidgets implementation for Linux is wxGtk not wxMac:

diff --git a/src/codegen.py b/src/codegen.py
index d94e00c..5641ac5 100644
--- a/src/codegen.py
+++ b/src/codegen.py
@@ -990,7 +990,7 @@ class Preprocessor(object):

 def _call_cpp(self, file):
     cppflags = Popen(['wx-config', '--cppflags'], stdout=PIPE).communicate()[0].split()

•    cppflags.remove('-D__WXMAC__')
  

•    cppflags.remove('-D__WXGTK__')
   cmdline = ['cpp', '-DWXC_TYPES_H'] + cppflags + ['-I/Users/kenz/src/wxRust/wxHaskell/wxc/src/include', file]
   return Popen(cmdline, stdout=PIPE).communicate()[0]
  

4. For some reason rust-bindgen was unable to proceed with fail_on_bitfield, therefore I had to patch it too (patch for commit 6b77ae6202cec2204795504b89fa944400245667):

diff --git a/main.rs b/main.rs
index 10522c3..1bb3fea 100644
--- a/main.rs
+++ b/main.rs
@@ -359,10 +359,10 @@ fn visit_struct(cursor: &Cursor,
let bit = cursor.bit_width();
// If we encounter a bitfield, and fail_on_bitfield is set, throw an
// error and exit entirely.

•    if (bit != None && ctx.fail_on_bitfield) {
  

•        fail!("Cannot handle bitfield `{}` in struct `{}`",
  

•              name, parent.spelling());
  

•    }
  

  +// if (bit != None && ctx.fail_on_bitfield) {
  +// fail!("Cannot handle bitfield {} in struct {}",
  +// name, parent.spelling());
  +// }
  let field = mk_fieldinfo(name, ty, bit);
  fields.push(field);
  }

Now build completes and I am able to run test. Unfortunately, when I press the button, it segfaults after printing "hello!"

[kenz-gelsoft]

Thank you for some patches I'll integrates these ones.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a8e19e..da4054f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,7 @@ add_custom_command(
         --include time.h
         ${GENSRCS}
         > src/_unsafe.rs
-    COMMAND patch -p0 < src/_unsafe.rs.patch
+#    COMMAND patch -p0 < src/_unsafe.rs.patch
     DEPENDS bindgen.dummy ${GENSRCS}
     WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
 )

diff --git a/src/codegen.py b/src/codegen.py
index d94e00c..5641ac5 100644
--- a/src/codegen.py
+++ b/src/codegen.py
@@ -990,7 +990,7 @@ class Preprocessor(object):

     def _call_cpp(self, file):
         cppflags = Popen(['wx-config', '--cppflags'], stdout=PIPE).communicate()[0].split()
-        cppflags.remove('-D__WXMAC__')
+        cppflags.remove('-D__WXGTK__')
         cmdline = ['cpp', '-DWXC_TYPES_H'] + cppflags + ['-I/Users/kenz/src/wxRust/wxHaskell/wxc/src/include', file]
         return Popen(cmdline, stdout=PIPE).communicate()[0]

diff --git a/main.rs b/main.rs
index 10522c3..1bb3fea 100644
--- a/main.rs
+++ b/main.rs
@@ -359,10 +359,10 @@ fn visit_struct(cursor: &Cursor,
         let bit = cursor.bit_width();
         // If we encounter a bitfield, and fail_on_bitfield is set, throw an
         // error and exit entirely.
-        if (bit != None && ctx.fail_on_bitfield) {
-            fail!("Cannot handle bitfield `{}` in struct `{}`",
-                  name, parent.spelling());
-        }
+//        if (bit != None && ctx.fail_on_bitfield) {
+//            fail!("Cannot handle bitfield `{}` in struct `{}`",
+//                  name, parent.spelling());
+//        }
         let field = mk_fieldinfo(name, ty, bit);
         fields.push(field);
     }

I'll investigate for seg fault problem after that.

[kenz-gelsoft]

commit 0f6e783 and 30a91b7 should fixe this.

Thanks for reporting!!