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Allow use of "nc-config" as fall back if check_lib() fails #9

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Merged
mohawk2 merged 1 commit into from
Jan 23, 2025
Merged

Allow use of "nc-config" as fall back if check_lib() fails #9

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33 changes: 16 additions & 17 deletions Makefile.PL
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Original file line number Diff line number Diff line change
Expand Up @@ -4,12 +4,6 @@ use PDL::Core::Dev; # Pick up development utilities
use ExtUtils::MakeMaker;
use Devel::CheckLib qw(check_lib);

my %pathpars = find_macos_pars();
check_lib(
header => 'netcdf.h', lib => 'netcdf',
%pathpars,
) or die "Cannot find netcdf library. Please install NetCDF.";

# Check if compiled under gcc/Linux. In which case, define bool for the compiler
my $define_bool = '';
if ($^O =~ /linux/) {
Expand Down Expand Up @@ -50,17 +44,22 @@ my %more_items = (
);
%hash = (%hash, %more_items);
$hash{INC} .= " $define_bool" if $define_bool;
$hash{LIBS}[0] .= " -lnetcdf";
$hash{INC} .= qq{ "-I$pathpars{incpath}"} if %pathpars;
$hash{LIBS}[0] .= (%pathpars ? qq{ "-L$pathpars{libpath}"} : '')." -lnetcdf";

if (check_lib( header => 'netcdf.h', lib => 'netcdf',)) {
$hash{LIBS}[0] .= " -lnetcdf";
}
elsif (qx{which nc-config 2> /dev/null}) {
warn "Could not find NetCDF libraries using check_lib, falling back to nc-config ...\n";
my $inc = qx/nc-config --cflags/;
chomp $inc;
$hash{INC} .= " $inc";
my $libs = qx/nc-config --libs/;
$hash{LIBS}[0] .= $libs;
}
else {
die "Cannot find NetCDF libraries, tried check_lib and looked for nc-config. Please install NetCDF.";
}

WriteMakefile(%hash);

sub MY::postamble { pdlpp_postamble($package); }

sub find_macos_pars {
return if $^O ne 'darwin';
my $pref = `brew --prefix netcdf`;
return if !$pref;
chomp $pref;
(libpath=>"$pref/lib", incpath=>"$pref/include");
}
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