Seems I wasn't clear enough:
This is *one* MSYS2 system (on a 64bit machine), with the packages for both the toolchains for mingw32 and mingw64 installed.
The only difference between using it to compile MinGW 64bit or 32bit executables is the environment setting. (In the similar fashion as on the Windows command shell, where the difference between using VisualStudio 32bit and 64bit compilers is the environment setting achieved by running vsvarsall.bat.)
Perl is running on MSYS2.
$ perl -V
Summary of my perl5 (revision 5 version 28 subversion 2) configuration:
Platform:
osname=msys
osvers=3.0.6(0.33853)
archname=x86_64-msys-thread-multi
uname='msys_nt-6.1 warlock 3.0.6(0.33853) 2019-04-15 06:44 x86_64 msys '
config_args='-des -Dusethreads -Doptimize=-march=x86-64 -mtune=generic -O2 -pipe -Dprefix=/usr -Dvendorprefix=/usr -Dprivlib=/usr/share/perl5/core_perl -Darchlib=/usr/lib/perl5/core_perl -Dsitelib=/usr/share/perl5/site_perl -Dsitearch=/usr/lib/perl5/site_perl -Dvendorlib=/usr/share/perl5/vendor_perl -Dvendorarch=/usr/lib/perl5/vendor_perl -Dscriptdir=/usr/bin/core_perl -Dsitescript=/usr/bin/site_perl -Dvendorscript=/usr/bin/vendor_perl -Dinc_version_list=none -Dman1ext=1perl -Dman3ext=3perl -Darchname=-msys-threads -Dmyarchname=-msys -Dlibperl=msys-perl5_28.dll -Dcc=gcc -Dld=g++ -Accflags=-march=x86-64 -mtune=generic -O2 -pipe -fwrapv'
hint=recommended
useposix=true
d_sigaction=define
useithreads=define
usemultiplicity=define
use64bitint=define
use64bitall=define
uselongdouble=undef
usemymalloc=n
default_inc_excludes_dot=define
bincompat5005=undef
Compiler:
cc='gcc'
ccflags ='-DPERL_USE_SAFE_PUTENV -U__STRICT_ANSI__ -D_GNU_SOURCE -march=x86-64 -mtune=generic -O2 -pipe -fwrapv -fno-strict-aliasing -fstack-protector-strong'
optimize='-march=x86-64 -mtune=generic -O2 -pipe'
cppflags='-DPERL_USE_SAFE_PUTENV -U__STRICT_ANSI__ -D_GNU_SOURCE -march=x86-64 -mtune=generic -O2 -pipe -fwrapv -fno-strict-aliasing -fstack-protector-strong'
ccversion=''
gccversion='7.4.0'
gccosandvers=''
intsize=4
longsize=8
ptrsize=8
doublesize=8
byteorder=12345678
doublekind=3
d_longlong=define
longlongsize=8
d_longdbl=define
longdblsize=16
longdblkind=3
ivtype='long'
ivsize=8
nvtype='double'
nvsize=8
Off_t='off_t'
lseeksize=8
alignbytes=8
prototype=define
Linker and Libraries:
ld='g++'
ldflags =' -Wl,--enable-auto-import -Wl,--export-all-symbols -Wl,--enable-auto-image-base -fstack-protector-strong'
libpth=/usr/lib
libs=-lpthread -lgdbm -ldb -ldl -lcrypt -lgdbm_compat
perllibs=-lpthread -ldl -lcrypt
libc=/usr/lib/libmsys-2.0.a
so=dll
useshrplib=true
libperl=msys-perl5_28.dll
gnulibc_version=''
Dynamic Linking:
dlsrc=dl_dlopen.xs
dlext=dll
d_dlsymun=undef
ccdlflags=' '
cccdlflags=' '
lddlflags=' --shared -Wl,--enable-auto-import -Wl,--export-all-symbols -Wl,--enable-auto-image-base -fstack-protector-strong'
Characteristics of this binary (from libperl):
Compile-time options:
HAS_TIMES
MULTIPLICITY
PERLIO_LAYERS
PERL_COPY_ON_WRITE
PERL_DONT_CREATE_GVSV
PERL_IMPLICIT_CONTEXT
PERL_OP_PARENT
PERL_PRESERVE_IVUV
PERL_USE_SAFE_PUTENV
USE_64_BIT_ALL
USE_64_BIT_INT
USE_ITHREADS
USE_LARGE_FILES
USE_LOCALE
USE_LOCALE_COLLATE
USE_LOCALE_CTYPE
USE_LOCALE_NUMERIC
USE_LOCALE_TIME
USE_PERLIO
USE_PERL_ATOF
USE_REENTRANT_API
Built under msys
Compiled at Apr 25 2019 07:29:36
@INC:
/usr/lib/perl5/site_perl
/usr/share/perl5/site_perl
/usr/lib/perl5/vendor_perl
/usr/share/perl5/vendor_perl
/usr/lib/perl5/core_perl
/usr/share/perl5/core_perl
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https://bugs.launchpad.net/bugs/1873406
Title:
EpicsHostArch script does not detect recent MSYS2/MinGW setups on
Windows
Status in EPICS Base:
New
Status in EPICS Base 3.15 series:
New
Status in EPICS Base 7.0 series:
New
Bug description:
On MSYS2/MinGW installations, the EpicsHostArch script does not
recognize the host platform correctly.
64bit:
$ ./startup/EpicsHostArch
lib/perl/EpicsHostArch.pl: Architecture 'x86_64-msys-thread-multi' not recognized
32bit:
$ ./startup/EpicsHostArch
lib/perl/EpicsHostArch.pl: Architecture 'x86_64-msys-thread-multi' not recognized
Which is not surprising, as the underlying MSYS2 subsystem is the
same, and the difference is in the environment settings that point to
the appropriate toolchain.
64bit:
$ echo $PATH
/mingw64/bin:/usr/local/bin:/usr/bin:/bin:/c/Windows/System32:/c/Windows:/c/Windows/System32/Wbem:/c/Windows/System32/WindowsPowerShell/v1.0/:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl
$ printenv | grep MSYSTEM
MSYSTEM_CARCH=x86_64
MSYSTEM_CHOST=x86_64-w64-mingw32
MSYSTEM_PREFIX=/mingw64
MSYSTEM=MINGW64
32bit:
$ echo $PATH
/mingw32/bin:/usr/local/bin:/usr/bin:/bin:/c/Windows/System32:/c/Windows:/c/Windows/System32/Wbem:/c/Windows/System32/WindowsPowerShell/v1.0/:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl
$ printenv | grep MSYSTEM
MSYSTEM_CARCH=i686
MSYSTEM_CHOST=i686-w64-mingw32
MSYSTEM_PREFIX=/mingw32
MSYSTEM=MINGW32
NB: I am impressed by the clarity and simplicity of MSYS2 / MinGW
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- References:
- [Bug 1873406] [NEW] EpicsHostArch script does not detect recent MSYS2/MinGW setups on Windows Ralph Lange via Core-talk
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