-# probes for freetype2 by trying to run freetype-config
-sub freetype2_probe_ftconfig {
- my ($frm, $frmkey) = @_;
-
- is_exe('freetype-config') or return;
-
- my $cflags = `freetype-config --cflags`
- and !$? or return;
- chomp $cflags;
-
- my $lflags = `freetype-config --libs`
- and !$? or return;
- chomp $lflags;
-
- # before 2.1.5 freetype-config --cflags could output
- # the -I options in the wrong order, causing a conflict with
- # freetype1.x installed with the same --prefix
- #
- # can happen iff:
- # - both -Iprefix/include and -Iprefix/include/freetype2 are in cflags
- # in that order
- # - freetype 1.x headers are in prefix/include/freetype
- my @incdirs = map substr($_, 2), grep /^-I/, split ' ', $cflags;
- if (@incdirs == 2
- && $incdirs[1] eq "$incdirs[0]/freetype2"
- && -e "$incdirs[0]/freetype/freetype.h"
- && -e "$incdirs[0]/freetype/fterrid.h") {
- print "** freetype-config provided -I options out of order, correcting\n"
- if $VERBOSE;
- $cflags = join(' ', grep(!/-I/, split ' ', $cflags),
- map "-I$_", reverse @incdirs);
- }
- $frm->{cflags} = $cflags;
- $frm->{lflags} = $lflags;
-
- printf "%10s: configured via freetype-config\n", $frmkey;
-
- return 1;
-}
-
-# attempt to probe for freetype2 by scanning directories
-# we can't use the normal scan since we need to find the directory
-# containing most of the includes
-sub freetype2_probe_scan {
- my ($frm, $frmkey) = @_;
-
- my $found_inc;
- my $found_inc2;
- INCS:
- for my $inc (@incs) {
- my $path = File::Spec->catfile($inc, 'ft2build.h');
- -e $path or next;
-
- # try to find what it's including
- my $ftheader;
- open FT2BUILD, "< $path"
- or next;
- while (<FT2BUILD>) {
- if (m!^\s*\#\s*include\s+<([\w/.]+)>!
- || m!^\s*\#\s*include\s+"([\w/.]+)"!) {
- $ftheader = $1;
- last;
- }
- }
- close FT2BUILD;
- $ftheader
- or next;
- # non-Unix installs put this directly under the same directory in
- # theory
- if (-e File::Spec->catfile($inc, $ftheader)) {
- $found_inc = $inc;
- last INCS;
- }
- for my $subdir (qw/freetype2 freetype/) {
- $path = File::Spec->catfile($inc, $subdir, 'fterrors.h');
- -e $path and next;
-
- $found_inc = $inc;
- $found_inc2 = File::Spec->catdir($inc, $subdir);
- last INCS;
- }
- }
-
- my $found_lib;
- LIBS:
- for my $lib (@libs) {
- my $a_path = File::Spec->catfile($lib, "libfreetype$aext");
- my $l_path = File::Spec->catfile($lib, "libfreetype.$lext");
- if (-e $a_path || -e $l_path) {
- $found_lib = $lib;
- last LIBS;
- }
- }
-
- printf("%10s: includes %s - libraries %s\n", $frmkey,
- ($found_inc ? 'found' : 'not found'),
- ($found_lib ? 'found' : 'not found'));
-
- return unless $found_inc && $found_lib;
-
- $frm->{cflags} = _make_I($found_inc);
- $frm->{cflags} .= " " . _make_I($found_inc2) if $found_inc2;
- $frm->{libfiles} = "-lfreetype";
-
- return 1;
-}
-
-sub _make_I {
- my ($inc_dir) = @_;
-
- $definc{$inc_dir}
- and return '';
-
- $inc_dir =~ / / ? qq!-I"$inc_dir"! : "-I$inc_dir";
-}
-
-# probes for libpng via pkg-config
-sub png_probe {
- my ($frm, $frmkey) = @_;
-
- is_exe('pkg-config') or return;
-
- my $config;
- for my $check_conf (qw(libpng libpng12 libpng10)) {
- if (_pkg_probe($check_conf)) {
- $config = $check_conf;
- last;
- }
- }
- $config or return;
-
- my $cflags = `pkg-config $config --cflags`
- and !$? or return;
-
- my $lflags = `pkg-config $config --libs`
- and !$? or return;
-
- chomp $cflags;
- chomp $lflags;
- $frm->{cflags} = $cflags;
- $frm->{lflags} = $lflags;
-
- printf "%10s: configured via `pkg-config $config ...`\n", $frmkey;
-
- return 1;
-}
-
projects / imager.git / blobdiff