[issue30367] Cannot build CPython3.6 with module “testcapimodule” statically

[STINNER Victor]

STINNER Victor  added the comment:

It seems like this issue has been fixed in 3.8 and master branches (I didn't 
test Python 3.7): see below.

I close the issue. Reopen/comment the issue if you consider that Python 3.7 
should be fixed as well.


I made this change:

$ git diff
diff --git a/Modules/Setup b/Modules/Setup
index 983fa014ec..ff2fd14857 100644
--- a/Modules/Setup
+++ b/Modules/Setup
@@ -151,6 +151,10 @@ _symtable symtablemodule.c
 # modules are to be built as shared libraries (see above for more
 # detail; also note that *static* or *disabled* cancels this effect):
 
+*static*
+
+_datetime _datetimemodule.c# datetime accelerator
+
 #*shared*
 
 # GNU readline.  Unlike previous Python incarnations, GNU readline is
@@ -177,7 +181,6 @@ _symtable symtablemodule.c
 #_random _randommodule.c   # Random number generator
 #_elementtree -I$(srcdir)/Modules/expat -DHAVE_EXPAT_CONFIG_H 
-DUSE_PYEXPAT_CAPI _elementtree.c# elementtree accelerator
 #_pickle _pickle.c # pickle accelerator
-#_datetime _datetimemodule.c   # datetime accelerator
 #_bisect _bisectmodule.c   # Bisection algorithms
 #_heapq _heapqmodule.c # Heap queue algorithm
 #_asyncio _asynciomodule.c  # Fast asyncio Future


I built Python: it works as expected, _datetime is a built-in module:

$ ./python
Python 3.9.0a0 (heads/master-dirty:46b0b81220, Sep 17 2019, 22:42:19) 
[GCC 9.2.1 20190827 (Red Hat 9.2.1-1)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import _datetime
>>> _datetime



Note:

$ make
...
The following modules found by detect_modules() in setup.py, have been
built by the Makefile instead, as configured by the Setup files:
_abc  _datetime atexit 
pwd   time 
...

--
resolution:  -> fixed
stage:  -> resolved
status: open -> closed
versions: +Python 3.8, Python 3.9 -Python 3.6

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[issue30367] Cannot build CPython3.6 with module “testcapimodule” statically

[Paul Ganssle]

Paul Ganssle  added the comment:

Is this issue only in Python 3.6? I believe Python 3.6 is only receiving 
security fixes at the moment, so this could only be fixed in 3.7, 3.8 and 3.9.

--
nosy: +p-ganssle

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[issue30367] Cannot build CPython3.6 with module “testcapimodule” statically

[STINNER Victor]

Changes by STINNER Victor :


--
nosy: +haypo

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[issue30367] Cannot build CPython3.6 with module “testcapimodule” statically

[Roundup Robot]

Changes by Roundup Robot :


--
pull_requests: +1752

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[issue30367] Cannot build CPython3.6 with module “testcapimodule” statically

[Nan Zhang]

New submission from Nan Zhang:

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I am trying to build CPython3.6 from GitHub statically with the Documentation 
below:

https://wiki.python.org/moin/BuildStatically

Changed *shared* to *static*

And only uncommented the module "testcapimodule" in Modules/Setup file:

_testcapi _testcapimodule.c # Python C API test module

And ran with 'make LINKFORSHARED=" "'

However I got errors that:

gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 
-Wall -Wstrict-prototypes-std=c99 -Wextra -Wno-unused-result 
-Wno-unused-parameter -Wno-missing-field-initializers   -I. -I./Include
-DPy_BUILD_CORE  -c ./Modules/_testcapimodule.c -o Modules/_testcapimodule.o
./Modules/_testcapimodule.c: In function ‘test_datetime_capi’:
./Modules/_testcapimodule.c:2191:9: error: ‘PyDateTimeAPI’ undeclared 
(first use in this function)
 if (PyDateTimeAPI) {
 ^
./Modules/_testcapimodule.c:2191:9: note: each undeclared identifier is 
reported only once for each function it appears in
./Modules/_testcapimodule.c:2203:5: error: ‘PyDateTime_IMPORT’ 
undeclared (first use in this function)
 PyDateTime_IMPORT;
 ^
./Modules/_testcapimodule.c:2208:1: warning: control reaches end of 
non-void function [-Wreturn-type]
 }
 ^
make: *** [Modules/_testcapimodule.o] Error 1

But when I build Cpython3.6 with *shared*, it can succeed.

--
components: Build
messages: 293664
nosy: Nan Zhang
priority: normal
severity: normal
status: open
title: Cannot build CPython3.6 with module “testcapimodule” statically
type: compile error
versions: Python 3.6

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