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const std = @import("std");
pub fn build(b: *std.Build) !void {
const target = b.standardTargetOptions(.{});
const optimize = b.standardOptimizeOption(.{});
const libpng_enabled = b.option(bool, "enable-libpng", "Build libpng") orelse false;
const module = b.addModule("freetype", .{
.root_source_file = b.path("main.zig"),
.target = target,
.optimize = optimize,
});
// For dynamic linking, we prefer dynamic linking and to search by
// mode first. Mode first will search all paths for a dynamic library
// before falling back to static.
const dynamic_link_opts: std.Build.Module.LinkSystemLibraryOptions = .{
.preferred_link_mode = .dynamic,
.search_strategy = .mode_first,
};
var test_exe: ?*std.Build.Step.Compile = null;
if (target.query.isNative()) {
test_exe = b.addTest(.{
.name = "test",
.root_module = b.createModule(.{
.root_source_file = b.path("main.zig"),
.target = target,
.optimize = optimize,
}),
});
const tests_run = b.addRunArtifact(test_exe.?);
const test_step = b.step("test", "Run tests");
test_step.dependOn(&tests_run.step);
}
module.addIncludePath(b.path(""));
if (b.systemIntegrationOption("freetype", .{})) {
module.linkSystemLibrary("freetype2", dynamic_link_opts);
if (test_exe) |exe| {
exe.linkSystemLibrary2("freetype2", dynamic_link_opts);
}
} else {
const lib = try buildLib(b, module, .{
.target = target,
.optimize = optimize,
.libpng_enabled = libpng_enabled,
.dynamic_link_opts = dynamic_link_opts,
});
if (test_exe) |exe| {
exe.linkLibrary(lib);
}
}
}
fn buildLib(b: *std.Build, module: *std.Build.Module, options: anytype) !*std.Build.Step.Compile {
const target = options.target;
const optimize = options.optimize;
const libpng_enabled = options.libpng_enabled;
const lib = b.addLibrary(.{
.name = "freetype",
.root_module = b.createModule(.{
.target = target,
.optimize = optimize,
}),
.linkage = .static,
});
lib.linkLibC();
if (target.result.os.tag.isDarwin()) {
const apple_sdk = @import("apple_sdk");
try apple_sdk.addPaths(b, lib);
}
var flags: std.ArrayList([]const u8) = .empty;
defer flags.deinit(b.allocator);
try flags.appendSlice(b.allocator, &.{
"-DFT2_BUILD_LIBRARY",
"-DFT_CONFIG_OPTION_SYSTEM_ZLIB=1",
"-DHAVE_UNISTD_H",
"-DHAVE_FCNTL_H",
"-fno-sanitize=undefined",
});
const dynamic_link_opts = options.dynamic_link_opts;
// Zlib
if (b.systemIntegrationOption("zlib", .{})) {
lib.linkSystemLibrary2("zlib", dynamic_link_opts);
} else {
const zlib_dep = b.dependency("zlib", .{ .target = target, .optimize = optimize });
lib.linkLibrary(zlib_dep.artifact("z"));
}
// Libpng
_ = b.systemIntegrationOption("libpng", .{}); // So it shows up in help
if (libpng_enabled) {
try flags.append(b.allocator, "-DFT_CONFIG_OPTION_USE_PNG=1");
if (b.systemIntegrationOption("libpng", .{})) {
lib.linkSystemLibrary2("libpng", dynamic_link_opts);
} else {
const libpng_dep = b.dependency(
"libpng",
.{ .target = target, .optimize = optimize },
);
lib.linkLibrary(libpng_dep.artifact("png"));
}
}
if (b.lazyDependency("freetype", .{})) |upstream| {
lib.addIncludePath(upstream.path("include"));
module.addIncludePath(upstream.path("include"));
lib.addCSourceFiles(.{
.root = upstream.path(""),
.files = srcs,
.flags = flags.items,
});
switch (target.result.os.tag) {
.linux => lib.addCSourceFile(.{
.file = upstream.path("builds/unix/ftsystem.c"),
.flags = flags.items,
}),
.windows => lib.addCSourceFile(.{
.file = upstream.path("builds/windows/ftsystem.c"),
.flags = flags.items,
}),
else => lib.addCSourceFile(.{
.file = upstream.path("src/base/ftsystem.c"),
.flags = flags.items,
}),
}
switch (target.result.os.tag) {
.windows => {
lib.addCSourceFile(.{
.file = upstream.path("builds/windows/ftdebug.c"),
.flags = flags.items,
});
lib.addWin32ResourceFile(.{
.file = upstream.path("src/base/ftver.rc"),
});
},
else => lib.addCSourceFile(.{
.file = upstream.path("src/base/ftdebug.c"),
.flags = flags.items,
}),
}
lib.installHeader(b.path("freetype-zig.h"), "freetype-zig.h");
lib.installHeadersDirectory(
upstream.path("include"),
"",
.{ .include_extensions = &.{".h"} },
);
}
b.installArtifact(lib);
return lib;
}
const srcs: []const []const u8 = &.{
"src/autofit/autofit.c",
"src/base/ftbase.c",
"src/base/ftbbox.c",
"src/base/ftbdf.c",
"src/base/ftbitmap.c",
"src/base/ftcid.c",
"src/base/ftfstype.c",
"src/base/ftgasp.c",
"src/base/ftglyph.c",
"src/base/ftgxval.c",
"src/base/ftinit.c",
"src/base/ftmm.c",
"src/base/ftotval.c",
"src/base/ftpatent.c",
"src/base/ftpfr.c",
"src/base/ftstroke.c",
"src/base/ftsynth.c",
"src/base/fttype1.c",
"src/base/ftwinfnt.c",
"src/bdf/bdf.c",
"src/bzip2/ftbzip2.c",
"src/cache/ftcache.c",
"src/cff/cff.c",
"src/cid/type1cid.c",
"src/gzip/ftgzip.c",
"src/lzw/ftlzw.c",
"src/pcf/pcf.c",
"src/pfr/pfr.c",
"src/psaux/psaux.c",
"src/pshinter/pshinter.c",
"src/psnames/psnames.c",
"src/raster/raster.c",
"src/sdf/sdf.c",
"src/sfnt/sfnt.c",
"src/smooth/smooth.c",
"src/svg/svg.c",
"src/truetype/truetype.c",
"src/type1/type1.c",
"src/type42/type42.c",
"src/winfonts/winfnt.c",
};
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