python: more msysize cleanup

change uname to cygwin and drop all build time patches
depending on uname.

This shouldn't change anything in the build result in theory.

python/900-msysize.patch

@@ -1,14 +1,5 @@
 --- Python-3.8.7.cygwin/configure.ac	2021-05-11 21:07:52.839122100 +0200
 +++ Python-3.8.7/configure.ac	2021-05-11 21:10:48.366063600 +0200
-@@ -401,7 +401,7 @@
-     case $MACHDEP in
- 	aix*) MACHDEP="aix";;
- 	linux*) MACHDEP="linux";;
--	cygwin*) MACHDEP="cygwin";;
-+	cygwin*|msys*) MACHDEP="cygwin";;
- 	darwin*) MACHDEP="darwin";;
- 	'')	MACHDEP="unknown";;
-     esac
 @@ -845,6 +845,14 @@
          darwin
  #elif defined(__VXWORKS__)
@@ -24,89 +15,15 @@
  #elif defined(__CYGWIN__)
  # if defined(__x86_64__)
          x86_64-cygwin
-@@ -1064,7 +1072,7 @@
- if test -z "$enable_shared"
- then
+@@ -1137,7 +1148,7 @@
    case $ac_sys_system in
--  CYGWIN*)
-+  CYGWIN*|MSYS*)
-     enable_shared="yes";;
-   *)
-     enable_shared="no";;
-@@ -1118,6 +1126,10 @@
+     CYGWIN*)
            LDLIBRARY='libpython$(LDVERSION).dll.a'
-           DLLLIBRARY='libpython$(LDVERSION).dll'
-           ;;
-+    MSYS*)
-+          LDLIBRARY='libpython$(LDVERSION).dll.a'
+-          DLLLIBRARY='libpython$(LDVERSION).dll'
 +          DLLLIBRARY='msys-python$(LDVERSION).dll'
-+          ;;
+           ;;
      SunOS*)
  	  LDLIBRARY='libpython$(LDVERSION).so'
- 	  BLDLIBRARY='-Wl,-R,$(LIBDIR) -L. -lpython$(LDVERSION)'
-@@ -1164,7 +1176,7 @@
- else # shared is disabled
-   PY_ENABLE_SHARED=0
-   case $ac_sys_system in
--    CYGWIN*)
-+    CYGWIN*|MSYS*)
-           BLDLIBRARY='$(LIBRARY)'
-           LDLIBRARY='libpython$(LDVERSION).dll.a'
-           ;;
-@@ -1213,7 +1225,7 @@
- AC_SUBST(LN)
- if test -z "$LN" ; then
- 	case $ac_sys_system in
--		CYGWIN*) LN="ln -s";;
-+		CYGWIN*|MSYS*) LN="ln -s";;
- 		*) LN=ln;;
- 	esac
- fi
-@@ -2514,7 +2526,7 @@
- 	  		*)    SHLIB_SUFFIX=.sl;;
- 		esac
- 		;;
--	CYGWIN*)   SHLIB_SUFFIX=.dll;;
-+	CYGWIN*|MSYS*)   SHLIB_SUFFIX=.dll;;
- 	*)	   SHLIB_SUFFIX=.so;;
- 	esac
- fi
-@@ -2648,7 +2660,7 @@
- 	SCO_SV*)
- 		LDSHARED='$(CC) -Wl,-G,-Bexport'
- 		LDCXXSHARED='$(CXX) -Wl,-G,-Bexport';;
--	CYGWIN*)
-+	CYGWIN*|MSYS*)
- 		LDSHARED="gcc -shared -Wl,--enable-auto-image-base"
- 		LDCXXSHARED="g++ -shared -Wl,--enable-auto-image-base";;
- 	*)	LDSHARED="ld";;
-@@ -2734,7 +2746,7 @@
- 			LINKFORSHARED="-Xlinker --export-dynamic"
- 		    fi;;
- 		  esac;;
--	CYGWIN*)
-+	CYGWIN*|MSYS*)
- 		if test $enable_shared = "no"
- 		then
- 			LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)'
-@@ -2758,7 +2770,7 @@
- if test ! "$LIBRARY" = "$LDLIBRARY"
- then
- 	case $ac_sys_system in
--	CYGWIN*)
-+	CYGWIN*|MSYS*)
- 		# Cygwin needs CCSHARED when building extension DLLs
- 		# but not when building the interpreter DLL.
- 		CFLAGSFORSHARED='';;
-@@ -3228,7 +3240,7 @@
-       fi
-       AC_CHECK_FUNCS(pthread_sigmask,
-         [case $ac_sys_system in
--        CYGWIN*)
-+        CYGWIN*|MSYS*)
-           AC_DEFINE(HAVE_BROKEN_PTHREAD_SIGMASK, 1,
-             [Define if pthread_sigmask() does not work on your system.])
-             ;;
 --- Python-3.8.7.orig/Lib/ctypes/__init__.py	2020-12-21 17:25:24.000000000 +0100
 +++ Python-3.8.7/Lib/ctypes/__init__.py	2021-05-11 22:26:25.866873900 +0200
 @@ -456,7 +456,7 @@
@@ -184,15 +101,3 @@ diff -Naur Python-3.8.2-orig/Lib/sysconfig.py Python-3.8.2/Lib/sysconfig.py
      elif osname[:6] == "darwin":
          import _osx_support
          osname, release, machine = _osx_support.get_platform_osx(
-diff -Naur Python-3.8.2-orig/Modules/makesetup Python-3.8.2/Modules/makesetup
---- Python-3.8.2-orig/Modules/makesetup	2020-02-25 00:36:25.000000000 +0300
-+++ Python-3.8.2/Modules/makesetup	2020-04-16 11:24:20.926282900 +0300
-@@ -88,7 +88,7 @@
- # Setup to link with extra libraries when making shared extensions.
- # Currently, only Cygwin needs this baggage.
- case `uname -s` in
--CYGWIN*) if test $libdir = .
-+CYGWIN*|MSYS*) if test $libdir = .
- 	 then
- 	 	ExtraLibDir=.
- 	 else

python/PKGBUILD

@@ -63,7 +63,7 @@ sha256sums=('0419e9085bf51b7a672009b3f50dbf1859acdf18ba725d0ec19aa5c8503f0ea3'
             '437332e1a7195dd0adcd505ecdeab5c3a7a793efdd7fea7bec55f97957bb8934'
             '3e6c115c9b8e044193c0524b94275dfb13c1adfba3d250131b065f632b6d5512'
             '9d0efb7e7e913e96b9f7953802311bbc2d046a7bfdcc3ffaf11fc509731b4d18'
-            'ce55a5e343158d7b1cd114cc7d7d53bcedfcd8616c533f816b3a0f1b2fe13682'
+            '5dfed4be015e93ab6f4e99a69fc5b3eece9c801ea504c8d0517c3cb6bb7dbe89'
             '85d9d042e0fa3493ec54b364e6b4fb6d2b12ba09641e01047bc84a09605ef76b'
             '17e4ac1b5f0fa8a6c410fb80d1ad99ec9185efef51b8450a31932b553c354ed1'
             'b439ff4f0a1f13858f8fb596414b74ed2c14fc3103d90287bb8e461ee89288b9'
@@ -122,6 +122,7 @@ prepare() {
 build() {
   cd "${srcdir}/Python-${pkgver}"
 
+  export MSYSTEM=CYGWIN
   local CYGWIN_CHOST="${CHOST/-msys/-cygwin}"
   ./configure \
     --prefix=/usr \