in reply to Re^2: Unable to install Lab::VISA module
in thread Unable to install Lab::VISA module

Yeah I have installed Strawberry perl and trying to install the Lab::VISA module from Windows command prompt.
  • Comment on Re^3: Unable to install Lab::VISA module

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Re^4: Unable to install Lab::VISA module
by syphilis (Archbishop) on Dec 04, 2014 at 23:05 UTC
    Yeah I have installed Strawberry perl and trying to install the Lab::VISA module from Windows command prompt

    But there's a "gcc-4" (in your second post) and, on Windows at least, Cygwin is the only system that has a compiler named "gcc-4" (AFAIK).
    Also, when you ran 'make', there were no complaints about incorrect syntax in the Makefile - which suggests to me that the Makefile was written for the 'make' utility - which means you ran a Cygwin perl as that's the only perl on Windows that writes Makefiles for 'make' by default. (Other Windows perls write Makefiles for either 'nmake' or 'dmake' by default.)
    It's most unusual on Windows to have a 'make' utility at your disposal unless Cygwin is in your path. If your perl is Strawbeery Perl you need to run 'dmake'.

    Best thing would be to run perl -V and post the output so that we can see exactly which perl is being invoked.
    And also provide the output for /usr/bin/gcc -v (and any other CC you might have specified).

    Lastly, note that if you are using a Cygwin perl, then that Windows library for Visa will be of no use - you'll have to use a Visa library built for Cygwin. There may be one you can install using setup.exe.

    However, I now gather that your intention is to use Strawberry Perl. In order to do that, make sure you're running in a native Windows (cmd.exe) shell, not a Cygwin shell.

    Cheers,
    Rob
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      I am not using cygwin perl, I want to use Strawberry perl.When I run perl -V this is the output I get, this is from the Windows(cmd.exe): 
      C:\Strawberry\cpan\Lab-VISA-3.02>perl -V
Summary of my perl5 (revision 5 version 14 subversion 2) configuration
+:

  Platform:
    osname=cygwin, osvers=1.7.15(0.26053), archname=cygwin-thread-mult
+i-64int
    uname='cygwin_nt-5.1 winxp 1.7.15(0.26053) 2012-05-09 10:25 i686 c
+ygwin '
    config_args='-de -Dlibperl=cygperl5_14.dll -Dcc=gcc-4 -Dld=g++-4 -
+Darchname=
i686-cygwin-threads-64int -Dmksymlinks -Dusethreads -Accflags=-g'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=define, usemultiplicity=define
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=und
+ef
    use64bitint=define, use64bitall=undef, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='gcc-4', ccflags ='-DPERL_USE_SAFE_PUTENV -U__STRICT_ANSI__ -g 
+-fno-stric
t-aliasing -pipe -fstack-protector',
    optimize='-O3',
    cppflags='-DPERL_USE_SAFE_PUTENV -U__STRICT_ANSI__ -g -fno-strict-
+aliasing -
pipe -fstack-protector'
    ccversion='', gccversion='4.5.3', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=1
+2
    ivtype='long long', ivsize=8, nvtype='double', nvsize=8, Off_t='of
+f_t', lsee
ksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='g++-4', ldflags =' -Wl,--enable-auto-import -Wl,--export-all-s
+ymbols -Wl
,--enable-auto-image-base -fstack-protector -L/usr/local/lib'
    libpth=/usr/local/lib /usr/lib /lib
    libs=-lgdbm -ldb -ldl -lcrypt -lgdbm_compat
    perllibs=-ldl -lcrypt
    libc=/usr/lib/libc.a, so=dll, useshrplib=true, libperl=cygperl5_14
+.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 -L/usr/local/lib -fstack-prot
+ector'


Characteristics of this binary (from libperl):
  Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV
                        PERL_IMPLICIT_CONTEXT PERL_PRESERVE_IVUV
                        PERL_USE_SAFE_PUTENV USE_64_BIT_INT USE_ITHREA
+DS
                        USE_LARGE_FILES USE_PERLIO USE_PERL_ATOF
                        USE_REENTRANT_API
  Locally applied patches:
        Bug#55162 File::Spec::case_tolerant performance
        CYG07 $vendorarch/auto/.rebase
        CYG15 static Win32CORE
        CYG17 cyg-1.7 paths-utf8
        0c612ce82 Fix building static extensions on cygwin, -UUSEIMPOR
+TLIB
        1bac5ecc1 Fix 64-bit threading sv.c: S_anonymise_cv_maybe
        Cygwin::sync_winenv added
  Built under cygwin
  Compiled at Jul 12 2012 14:17:21
  @INC:
    /usr/lib/perl5/site_perl/5.14/i686-cygwin-threads-64int
    /usr/lib/perl5/site_perl/5.14
    /usr/lib/perl5/vendor_perl/5.14/i686-cygwin-threads-64int
    /usr/lib/perl5/vendor_perl/5.14
    /usr/lib/perl5/5.14/i686-cygwin-threads-64int
    /usr/lib/perl5/5.14
    /usr/lib/perl5/site_perl/5.10
    /usr/lib/perl5/vendor_perl/5.10
    /usr/lib/perl5/site_perl/5.8
    .

C:\Strawberry\cpan\Lab-VISA-3.02>/usr/bin/gcc -v
The system cannot find the path specified.

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        C:\Strawberry\cpan\Lab-VISA-3.02>/usr/bin/gcc -v
        The system cannot find the path specified.

        But in your first post you have: 
        perl Makefile.PL CC=/usr/bin/gcc

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        Ok ... the 'perl -V' output that you provided is for Cygwin perl, not Srawberry Perl.
        To use Strawberry Perl, you need to either remove Cygwin from the path, or put strawberry at the beginning of the path.

        To see what's currently in your path, just enter set PATH at the command prompt.

        Once you can get 'perl -V' to output the details for Strawberry Perl you are right to go. Make sure you then use 'dmake', not 'make'.

        Cheers,
        Rob
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