execute_process(
COMMAND ${PERL_EXECUTABLE} -MExtUtils::Embed -e "
# Import Perl modules.
use strict;
use warnings;
use Config;
use Text::ParseWords;
use ExtUtils::CppGuess;
# Test for a Visual Studio compiler
my \$cpp_guess = ExtUtils::CppGuess->new;
my \$mswin = \$^O eq 'MSWin32';
my \$msvc = \$cpp_guess->is_msvc;
# Query the available data from Alien::wxWidgets.
my \$ccflags;
my \$ldflags;
{ local *STDOUT; open STDOUT, '>', \\\$ccflags; ccflags; }
{ local *STDOUT; open STDOUT, '>', \\\$ldflags; ldopts; }
\$ccflags = ' ' . \$ccflags;
\$ldflags = ' ' . \$ldflags;
my \$filename = '${PerlEmbed_TEMP_INCLUDE}';
open(my $fh, '>', \$filename) or die \"Could not open file '\$filename' \$!\";
# Convert a space separated lists to CMake semicolon separated lists,
# escape the backslashes,
# export the resulting list to a temp file.
sub cmake_set_var {
my (\$varname, \$content) = @_;
# Remove line separators.
\$content =~ s/\\r|\\n//g;
# Escape the path separators.
\$content =~ s/\\\\/\\\\\\\\\\\\\\\\/g;
my @words = shellwords(\$content);
print \$fh \"set(PerlEmbed_\$varname \\\"\" . join(';', @words) . \"\\\")\\n\";
}
cmake_set_var('ARCHNAME', \$Config{archname});
cmake_set_var('CCFLAGS', \$ccflags);
\$ldflags =~ s/ -L/ -LIBPATH:/g if \$msvc;
cmake_set_var('LD', \$Config{ld});
cmake_set_var('LDFLAGS', \$ldflags);
cmake_set_var('CCCDLFLAGS', \$Config{cccdlflags});
cmake_set_var('LDDLFLAGS', \$Config{lddlflags});
cmake_set_var('DLEXT', \$Config{dlext});
close \$fh;
")