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From bf04732803910a7cd15be1016b62c60ae42c1366 Mon Sep 17 00:00:00 2001
From: Alexander Kanavin <alex.kanavin@gmail.com>
Date: Fri, 4 Aug 2017 16:16:41 +0300
Subject: [PATCH 1/2] gtkdoc: fix issues that arise when cross-compiling

Specifically:
1) Make it possible to specify a wrapper for executing binaries
(usually, some kind of target hardware emulator, such as qemu)
2) Explicitly provide CC and LD, as otherwise gtk-doc will
try to guess them, incorrectly.
3) If things break down, print the full command with arguments,
not just the binary name.

Upstream-Status: Pending
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
---
 mesonbuild/modules/gnome.py        | 4 ++++
 mesonbuild/scripts/gtkdochelper.py | 9 +++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/mesonbuild/modules/gnome.py b/mesonbuild/modules/gnome.py
index 6ec7040..ba7e4cd 100644
--- a/mesonbuild/modules/gnome.py
+++ b/mesonbuild/modules/gnome.py
@@ -713,6 +713,10 @@ class GnomeModule(ExtensionModule):
                 '--mode=' + mode]
         if namespace:
             args.append('--namespace=' + namespace)
+        gtkdoc_exe_wrapper = state.environment.cross_info.config["properties"].get('gtkdoc_exe_wrapper', None)
+        if gtkdoc_exe_wrapper is not None:
+            args.append('--gtkdoc-exe-wrapper=' + gtkdoc_exe_wrapper)
+
         args += self._unpack_args('--htmlargs=', 'html_args', kwargs)
         args += self._unpack_args('--scanargs=', 'scan_args', kwargs)
         args += self._unpack_args('--scanobjsargs=', 'scanobjs_args', kwargs)
diff --git a/mesonbuild/scripts/gtkdochelper.py b/mesonbuild/scripts/gtkdochelper.py
index a2cbf5a..19331bd 100644
--- a/mesonbuild/scripts/gtkdochelper.py
+++ b/mesonbuild/scripts/gtkdochelper.py
@@ -44,13 +44,14 @@ parser.add_argument('--ignore-headers', dest='ignore_headers', default='')
 parser.add_argument('--namespace', dest='namespace', default='')
 parser.add_argument('--mode', dest='mode', default='')
 parser.add_argument('--installdir', dest='install_dir')
+parser.add_argument('--gtkdoc-exe-wrapper', dest='gtkdoc_exe_wrapper')
 
 def gtkdoc_run_check(cmd, cwd):
     # Put stderr into stdout since we want to print it out anyway.
     # This preserves the order of messages.
     p, out = Popen_safe(cmd, cwd=cwd, stderr=subprocess.STDOUT)[0:2]
     if p.returncode != 0:
-        err_msg = ["{!r} failed with status {:d}".format(cmd[0], p.returncode)]
+        err_msg = ["{!r} failed with status {:d}".format(cmd, p.returncode)]
         if out:
             err_msg.append(out)
         raise MesonException('\n'.join(err_msg))
@@ -58,7 +59,7 @@ def gtkdoc_run_check(cmd, cwd):
 def build_gtkdoc(source_root, build_root, doc_subdir, src_subdirs,
                  main_file, module,
                  html_args, scan_args, fixxref_args, mkdb_args,
-                 gobject_typesfile, scanobjs_args, ld, cc, ldflags, cflags,
+                 gobject_typesfile, scanobjs_args, gtkdoc_exe_wrapper, ld, cc, ldflags, cflags,
                  html_assets, content_files, ignore_headers, namespace,
                  expand_content_files, mode):
     print("Building documentation for %s" % module)
@@ -111,6 +112,9 @@ def build_gtkdoc(source_root, build_root, doc_subdir, src_subdirs,
     if gobject_typesfile:
         scanobjs_cmd = ['gtkdoc-scangobj'] + scanobjs_args + ['--types=' + gobject_typesfile,
                                                               '--module=' + module,
+                                                              '--run=' + gtkdoc_exe_wrapper,
+                                                              '--cc=' + cc,
+                                                              '--ld=' + ld,
                                                               '--cflags=' + cflags,
                                                               '--ldflags=' + ldflags]
 
@@ -206,6 +210,7 @@ def run(args):
         mkdbargs,
         options.gobject_typesfile,
         scanobjsargs,
+        options.gtkdoc_exe_wrapper,
         options.ld,
         options.cc,
         options.ldflags,
-- 
2.13.2