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From: =?UTF-8?Q?Bj=c3=b6rn_Lundin?= <b.f.lundin@gmail.com>
Newsgroups: comp.lang.ada
Subject: gnat via msys2 pacman + xml/ada
Date: Wed, 19 Sep 2018 10:47:30 +0200
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Date: 2018-09-19T10:47:30+02:00
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Hi!
Is anyone using (recently) the win-64 bit compiler found in msys2 for
windows ?


I found a post here some time ago with instructions, but:

pacman -S mingw-w64-x86_64-gcc-ada
runs fine - installs the compiler

pacman -S mingw-w64-x86_64-gprbuild-gpl
pacman -S mingw-w64-x86_64-aws
pacman -S mingw-w64-x86_64-asis

does not. They do not exist anymore.

I did find another gprbuild
mingw-w64-x86_64-gprbuild-bootstrap-git
which works ok to install.
Looking for xml/ada - I came up short.

so downloading from web I get 4.6.1
Compiling it goes well, but linking - not so much

$ mingw32-make all install
gprbuild -j0 -m -p -XLIBRARY_TYPE=static -XBUILD=Production
-XPROCESSORS=0 xmlada.gpr
gprbuild -j0 -m -p -XLIBRARY_TYPE=relocatable -XBUILD=Production
-XPROCESSORS=0 xmlada.gpr
Build Libraries
   [gprlib]       xmlada_unicode.lexch
   [link library] libxmlada_unicode.dll
d:/apps/tools/mingw2/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
D:\apps\tools\MinGW2\xmlada_tmp\tags\xmlada-4.6.1\unicode\obj\relocatable\unicode-ccs-iso_8859_1.o:unicode-ccs-iso_8859_1.adb:(.text+0x54):
undefined reference to `system__img_uns__set_image_unsigned'
d:/apps/tools/mingw2/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
D:\apps\tools\MinGW2\xmlada_tmp\tags\xmlada-4.6.1\unicode\obj\relocatable\unicode-ccs-iso_8859_1.o:unicode-ccs-iso_8859_1.adb:(.text+0xd8):
undefined reference to `__gnat_raise_exception'

ca 200 more lines of unresolved symbols

d:/apps/tools/mingw2/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
D:\apps\tools\MinGW2\xmlada_tmp\tags\xmlada-4.6.1\unicode\obj\relocatable\unicode.o:unicode.adb:(.text+0x1c5):
undefined reference to `__gnat_rcheck_CE_Range_Check'
collect2.exe: error: ld returned 1 exit status
gprlib: d:\apps\tools\mingw2\mingw64\bin\gcc execution error
gprbuild: could not build library for project xmlada_unicode
mingw32-make: *** [Makefile:55: relocatable] Error 4



I even tried to add
  for Switches ("Ada") use ("-L" & "mingw64/bin", "-lgnat");
in share.gpr - but same result - lots of unresolved symbols.


It looks like it cannot find the gnat runtime libs.
Anyone seen this before? And have an idea of how to proceed?


-- 
--
Björn