Help needed with gobject-introspection

[Jon Turney]

On 29/05/2020 16:54, Jon Turney wrote:
> On 27/05/2020 21:32, Ken Brown via Cygwin-apps wrote:
>> 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.

https://github.com/mesonbuild/meson/pull/7229

I made a meson 0.54.2-2 test package with those patches.