Help needed with gobject-introspection

[Jon Turney]

On 27/05/2020 21:32, Ken Brown via Cygwin-apps wrote:
> On 5/24/2020 11:56 AM, Jon Turney wrote:
>> So, yeah, this is a meson bug, which I will work on (if this command 
>> ends up in the build.ninja, it's executed by ninja with 'sh -c', but 
>> if it ends up in a pickle, it's executed by meson with execve())
> 
> It looks like I've bumped into a variation of this bug.  While 
> attempting to build the documentation for the latest glib2.0 release, I 
> got the following:
> 
> FAILED: docs/reference/gobject/gobject-decl.txt
> /usr/bin/meson --internal exe --unpickle 
> /home/kbrown/src/cygpackages/glib2.0/glib2.0-2.64.3-1.x86_64/src/glib-2.64.3/x86_64-pc-cygwin/meson-private/meson_exe_meson_1ed2fbe217cac49ae4affd274e0d4a729085a002.dat 
> 
> ['/usr/bin/meson', '--internal', 'gtkdoc', 
> '--sourcedir=/home/kbrown/src/cygpackages/glib2.0/glib2.0-2.64.3-1.x86_64/src/glib-2.64.3', 
> '--builddir=/home/kbrown/src/cygpackages/glib2.0/glib2.0-2.64.3-1.x86_64/src/glib-2.64.3/x86_64-pc-cygwin', 
> '--subdir=docs/reference/gobject', '--headerdirs=gobject', 
> '--mainfile=gobject-docs.xml', '--modulename=gobject', '--
> 
> [...]
> 
> /docs/reference/gobject/tut_tools.xml', '--cc=gcc', '--ld=gcc', 
> '--cflags=-I@BUILD_ROOT@/gobject -I../gobject -pthread -I@BUILD_ROOT@/. 
> -I../. -I@BUILD_ROOT@/glib -I../glib 
> -I@BUILD_ROOT@/docs/reference/gobject/. -I../docs
> 
> [...]
> 
> So @BUILD_ROOT@ didn't get replaced by the build root after pickling and 
> unpickling.  Needless to say, this produced errors like:
> 
> cc1: error: @BUILD_ROOT@/glib: No such file or directory 
> [-Werror=missing-include-dirs]
> 
> I can give you a precise recipe for reproducing this bug if it would 
> help your debugging.

Definitely a bug.  I'll see if I can take a look at it this weekend.