Help needed with gobject-introspection

[Ken Brown]

On 5/31/2020 4:52 PM, Jon Turney wrote:
> 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.

Thanks!  That gets me much further in the glib build.  I still have a problem 
with the docs, but I have no reason to think it's a meson bug.  When running 
'ninja install' I get the following:

Building documentation for gio
ERROR: Error in gtkdoc helper script:

ERROR: ['/usr/bin/gtkdoc-scangobj', 
'--types=/home/kbrown/src/glib/cygbuild/docs/reference/gio/gio.types', 
'--module=gio', '--run=', '--cflags=-I/home/kbrown/src/glib/cygbuild/gio 
-I/home/kbrown/src/glib/gio -pthread -I/home/kbrown/src/glib/cygbuild/gmodule 
-I/home/kbrown/src/glib/gmodule -I/home/kbrown/src/glib/cygbuild/. 
-I/home/kbrown/src/glib/. -I/home/kbrown/src/glib/cygbuild/glib 
-I/home/kbrown/src/glib/glib -I/home/kbrown/src/glib/cygbuild/gobject 
-I/home/kbrown/src/glib/gobject -D_GNU_SOURCE -fno-strict-aliasing 
-DG_ENABLE_DEBUG -Wduplicated-branches -Wimplicit-fallthrough 
-Wmisleading-indentation -Wstrict-prototypes -Wunused -Wno-unused-parameter 
-Wno-bad-function-cast -Wno-cast-function-type -Wno-pedantic 
-Wno-format-zero-length -Werror=declaration-after-statement -Werror=format=2 
-Werror=implicit-function-declaration -Werror=init-self 
-Werror=missing-include-dirs -Werror=missing-prototypes -Werror=pointer-arith', 
'--ldflags=-L/home/kbrown/src/glib/cygbuild/gio 
-Wl,-rpath,/home/kbrown/src/glib/cygbuild/gio 
-L/home/kbrown/src/glib/cygbuild/glib 
-Wl,-rpath,/home/kbrown/src/glib/cygbuild/glib 
-L/home/kbrown/src/glib/cygbuild/gobject 
-Wl,-rpath,/home/kbrown/src/glib/cygbuild/gobject 
-L/home/kbrown/src/glib/cygbuild/gmodule 
-Wl,-rpath,/home/kbrown/src/glib/cygbuild/gmodule -lgio-2.0 -lgmodule-2.0 
-lglib-2.0 -lgobject-2.0 -lz -pthread -lintl -lpcre -liconv -lffi', '--cc=cc', 
'--ld=cc', '--output-dir=/home/kbrown/src/glib/cygbuild/docs/reference/gio'] 
failed with status 127

I'll see what I can figure out, but as I said, it doesn't look to me like a 
meson issue.

Ken