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Further CMake integration, split the xs CMakeFiles.txt to

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FindAlienWx.cmake and FindPerlEmbed.cmake for easier Perl integration.
This commit is contained in:
bubnikv 2017-08-17 13:30:46 +02:00
parent 5673205d2e
commit bb36e78428
5 changed files with 469 additions and 63 deletions
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78
cmake/modules/FindPerlEmbed.cmake Normal file
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# Find the dependencies for linking with the Perl runtime library.
# Check for the Perl & PerlLib modules
include(LibFindMacros)
libfind_package(PerlEmbed Perl)
libfind_package(PerlEmbed PerlLibs)
# Execute an Alien::Wx module to find the relevant information regarding
# the wxWidgets used by the Perl interpreter.
# Perl specific stuff
set(PerlEmbed_TEMP_INCLUDE ${CMAKE_CURRENT_BINARY_DIR}/PerlEmbed_TEMP_INCLUDE.txt)
execute_process(
COMMAND ${PERL_EXECUTABLE} -MExtUtils::Embed -e "
# Import Perl modules.
use strict;
use warnings;
use Text::ParseWords;
use ExtUtils::CppGuess;
# Test for a Visual Studio compiler
my \$cpp_guess = ExtUtils::CppGuess->new;
my \$mswin = \$^O eq 'MSWin32';
my \$msvc = \$cpp_guess->is_msvc;
# Query the available data from Alien::wxWidgets.
my \$ccflags;
my \$ldflags;
{ local *STDOUT; open STDOUT, '>', \\\$ccflags; ccflags; }
{ local *STDOUT; open STDOUT, '>', \\\$ldflags; ldopts; }
\$ccflags = ' ' . \$ccflags;
\$ldflags = ' ' . \$ldflags;
my \$filename = '${PerlEmbed_TEMP_INCLUDE}';
open(my $fh, '>', \$filename) or die \"Could not open file '\$filename' \$!\";
# Convert a space separated lists to CMake semicolon separated lists,
# escape the backslashes,
# export the resulting list to a temp file.
sub cmake_set_var {
my (\$varname, \$content) = @_;
# Remove line separators.
\$content =~ s/\\r|\\n//g;
# Escape the path separators.
\$content =~ s/\\\\/\\\\\\\\\\\\\\\\/g;
my @words = shellwords(\$content);
print \$fh \"set(PerlEmbed_\$varname \\\"\" . join(';', @words) . \"\\\")\\n\";
}
cmake_set_var('CCFLAGS', \$ccflags);
\$ldflags =~ s/ -L/ -LIBPATH:/g if \$msvc;
cmake_set_var('LDFLAGS', \$ldflags);
close \$fh;
")
include(${PerlEmbed_TEMP_INCLUDE})
file(REMOVE ${PerlEmbed_TEMP_INCLUDE})
unset(PerlEmbed_TEMP_INCLUDE)
if (PerlEmbed_DEBUG)
# First show the configuration extracted by FindPerl & FindPerlLibs:
message(STATUS " PERL_INCLUDE_PATH = ${PERL_INCLUDE_PATH}")
message(STATUS " PERL_LIBRARY = ${PERL_LIBRARY}")
message(STATUS " PERL_EXECUTABLE = ${PERL_EXECUTABLE}")
message(STATUS " PERL_SITESEARCH = ${PERL_SITESEARCH}")
message(STATUS " PERL_SITELIB = ${PERL_SITELIB}")
message(STATUS " PERL_VENDORARCH = ${PERL_VENDORARCH}")
message(STATUS " PERL_VENDORLIB = ${PERL_VENDORLIB}")
message(STATUS " PERL_ARCHLIB = ${PERL_ARCHLIB}")
message(STATUS " PERL_PRIVLIB = ${PERL_PRIVLIB}")
message(STATUS " PERL_EXTRA_C_FLAGS = ${PERL_EXTRA_C_FLAGS}")
# Second show the configuration extracted by this module (FindPerlEmbed):
message(STATUS " PerlEmbed_CCFLAGS = ${PerlEmbed_CCFLAGS}")
message(STATUS " PerlEmbed_LDFLAGS = ${PerlEmbed_LDFLAGS}")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(PerlEmbed
REQUIRED_VARS PerlEmbed_CCFLAGS PerlEmbed_LDFLAGS
VERSION_VAR PERL_VERSION)