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Compiling Issue
I'm getting this error
hon_support.o: relocation R_X86_64_PC32 against symbol init_user_module can not be used when making a shared object; recompile with -fPIC /usr/bin/ld: final link failed: bad value collect2: error: ld returned 1 exit status gprlib: /usr/bin/gcc execution error gprbuild: could not build library for project gnatcoll_python process failed with status: 4 ==> ERROR: A failure occurred in build().
Specific compiler option on build command.
Hello,
How to add a specific compiler option with "setup.py build"?
(without change in GPR files)
For instance I want to add "-gnatwn" option (in order to cancel "-gnatwaCJe" effects).
Thanks, Pascal.
python3/setup.py build fails with undefined Py_TPFLAGS_HAVE_VECTORCALL
Mac OSX 10.13.6
Xcode 10.1
GNAT Community 2021 (20210519)
My attempt to compile Python3 python_support.c failed with:
MacBook-Air:gnatcoll-bindings-23.0.0 rogermcmurtrie$ python3/setup.py build
Launch: /opt/gnat-ce-2021/bin/gprbuild -j0 -p -gargs -P/Ada_Source/gnatcoll-bindings-23.0.0/python3/gnatcoll_python.gpr --relocate-build-tree --target=x86_64-darwin -XGNATCOLL_PYTHON_STATIC_LIB=/Users/rogermcmurtrie/.pyenv/versions/3.8.6/lib/python3.8/config-3.8-darwin/libpython3.8.a -XGNATCOLL_PYTHON_LIBS=-lintl -ldl -framework CoreFoundation -XGNATCOLL_LIBPYTHON_KIND=static -XGNATCOLL_PYTHON_CFLAGS=-I/Users/rogermcmurtrie/.pyenv/versions/3.8.6/include/python3.8 -I/Users/rogermcmurtrie/.pyenv/versions/3.8.6/include/python3.8 -XGNATCOLL_VERSION=0.0 -XBUILD=PROD -XGNATCOLL_OS=osx -XLIBRARY_TYPE=static -XXMLADA_BUILD=static -XGPR_BUILD=static
Compile
[C] python_support.c
[Ada] gnatcoll-python-ctypes.ads
[Ada] gnatcoll-scripts-python.adb
[Ada] gnatcoll-python-errors.ads
[Ada] gnatcoll-python-exceptions.ads
[Ada] gnatcoll-python.adb
/Ada_Source/gnatcoll-bindings-23.0.0/python3/python_support.c: In function 'PyDescr_NewAdaMethod':
/Ada_Source/gnatcoll-bindings-23.0.0/python3/python_support.c:251:33: error: 'Py_TPFLAGS_HAVE_VECTORCALL' undeclared (first use in this function); did you mean 'Py_TPFLAGS_HAVE_VERSION_TAG'?
251 | Py_TPFLAGS_DEFAULT && !(Py_TPFLAGS_HAVE_VECTORCALL);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| Py_TPFLAGS_HAVE_VERSION_TAG
/Ada_Source/gnatcoll-bindings-23.0.0/python3/python_support.c:251:33: note: each undeclared identifier is reported only once for each function it appears in
compilation of python_support.c failed
Clash between legal *BUILD values here & in installed projects
I wanted a debug build for python3, and failed to spot that the way to get it is to reconfigure for debug (I’m using a Python 3.8 virtual environment):
python setup.py build --reconfigure --debug
On the way, having seen this in gnatcoll_python.gpr
type Build_Type is ("DEBUG", "PROD");
Build : Build_Type :=
External ("GNATCOLL_BUILD", External ("BUILD", "PROD"));
I tried setting GNATCOLL_BUILD to DEBUG, which resulted in
gnatcoll_python.gpr:58:10: warning: no when others for this case construction
gnatcoll.gpr:12:04: value "DEBUG" is illegal for typed string "build"
because the installed gnatcoll.gpr says
library project GnatColl is
type BUILD_KIND is ("static", "relocatable", "static-pic");
BUILD : BUILD_KIND := external("GNATCOLL_CORE_BUILD", external("GNATCOLL_BUILD", external("LIBRARY_TYPE", "static")));
which results from the way the Makefile calls gprinstall.
I get the impression from the gprinstall documentation that it only supports one scenario variable?
Pull requests temporarily on hold
Dear contributors,
Following the switch to modular organization, we are working on the testsuite refactoring. Before the testsuite is in place we can't accept pull requests.
We apologize in advance, and thank you for your patience!
Problem building python/
On Darwin (El Capitan; High Sierra), can’t build the relocatable library. This is [2c426fe].
With FSF GCC 8.0.1 (the only compiler I have with gnatcoll-core installed), I see
$ setup.py build
Fetch Python information...
Python version: 2.7
Static dir /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/config
Shared dir /System/Library/Frameworks/Python.framework/Versions/2.7/lib
CFLAGS -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7
Shared linker flags -L/System/Library/Frameworks/Python.framework/Versions/2.7/lib -lpython2.7 -ldl -framework CoreFoundation
Static linker flags /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/config/libpython2.7.a -ldl -framework CoreFoundation
Force link to static python library
Libraries kind static, static-pic, relocatable
Version 0.0
Build mode PROD
[...]
Launch: /opt/gcc-8.0.1/bin/gprbuild -j0 -p -Pgnatcoll_python.gpr --target=x86_64-darwin -XGNATCOLL_LIBPYTHON_KIND=static -XGNATCOLL_OS=osx -XGNATCOLL_PYTHON_LIBS=/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/config/libpython2.7.a -ldl -framework CoreFoundation -XBUILD=PROD -XGNATCOLL_VERSION=0.0 -XGNATCOLL_PYTHON_CFLAGS=-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -XLIBRARY_TYPE=relocatable -XGPR_BUILD=relocatable -XXMLADA_BUILD=relocatable
Compile
[C] python_support.c
[Ada] gnatcoll-any_types-python.adb
[Ada] gnatcoll-scripts-python.adb
[Ada] gnatcoll-python.adb
Build Libraries
[gprlib] gnatcoll_python.lexch
[link library] libgnatcoll_python.dylib
Undefined symbols for architecture x86_64:
"_PyArg_ParseTuple", referenced from:
_ada_py_arg_parsetuple_ptr in python_support.o
_ada_py_arg_parsetuple_ptr2 in python_support.o
_ada_py_arg_parsetuple_ptr3 in python_support.o
_ada_py_arg_parsetuple_ptr4 in python_support.o
_ada_py_arg_parsetuple_ptr5 in python_support.o
[...]
This is because of -XGNATCOLL_LIBPYTHON_KIND=static.
I tried setup.py build --enable-shared,
$ ./setup.py build --enable-shared
Launch: /opt/gcc-8.0.1/bin/gprbuild -j0 -p --enable-shared -Pgnatcoll_python.gpr --target=x86_64-darwin -XGNATCOLL_LIBPYTHON_KIND=static -XGNATCOLL_PYTHON_CFLAGS=-I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -XGNATCOLL_PYTHON_LIBS=/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/config/libpython2.7.a -ldl -framework CoreFoundation -XBUILD=PROD -XGNATCOLL_VERSION=0.0 -XGNATCOLL_OS=osx -XLIBRARY_TYPE=static -XGPR_BUILD=static -XXMLADA_BUILD=static
gprbuild: illegal option "--enable-shared" on the command line
process failed with status: 4
I edited setup.json to set "GNATCOLL_LIBPYTHON_KIND": "shared": now the build succeeds.
setup.py:92 and :97 imply that --enable-shared should be supported.
Alternatively, what about adding system.platform.startswith("darwin") to that check?
Having made this workround, the shared build is OK but I now find this failure:
$ gprbuild -XLIBRARY_TYPE=static
using project file check_build.gpr
Compile
[Ada] check_build.adb
Bind
[gprbind] check_build.bexch
[Ada] check_build.ali
Link
[link] check_build.adb
Undefined symbols for architecture x86_64:
"_PyArg_ParseTuple", referenced from:
_ada_py_arg_parsetuple_ptr in libgnatcoll_python.a(python_support.o)
[...]
which can itself be worked round by
$ gprbuild -XLIBRARY_TYPE=static -largs -lpython
or
$ gprbuild -XLIBRARY_TYPE=static -XGNATCOLL_PYTHON_LIBS=-lpython
Specific include path is missing for gmp.h.
Hello,
If gmp.h is not in standard include path, how to add a specific include path with setup.py?
As a workaround, I added the gmp include path in gpr file:
--- a/gmp/gnatcoll_gmp.gpr
+++ b/gmp/gnatcoll_gmp.gpr
@@ -58,7 +58,7 @@ project GnatColl_GMP is
for Switches ("Ada") use
("-g", "-O0", "-gnata", "-gnatVa", "-gnatQ", "-gnaty", "-gnateE",
"-gnatwaCJe", "-fstack-check");
- for Switches ("C") use ("-g", "-Wunreachable-code");
+ for Switches ("C") use ("-g", "-Wunreachable-code", "-I/usr/local/xnadalib-2018/include");
when "PROD" =>
-- Do not use -gnatwe for production mode
Thanks, Pascal.
gnatcoll_gmp missing numerous gmp function bindings
It looks like gnatcoll_gmp is missing numerous bindings for gmp functions. Is this the correct repo to fork to add functionality and then issue a pull request? Or is this more of a mirror repo?
Build failure due to recent update of Python.
Hello,
The build fails on Archlinux due to the latest update to Python.
Here is a tiny patch which fixes the problem.
Hope this helps a little.
Regards.
python2 is at end of life (01/01/2020)
Is a move to python 3 planned. Most distributions are removing python2 from their tree
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