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Improve Zig build & support latest Zig
Adds static linking, better handling of copied files, and support latest Zig compiler.
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@@ -1,56 +1,84 @@ | ||
const std = @import("std"); | ||
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pub const CodeUnitWidth = enum { | ||
@"8", | ||
@"16", | ||
@"32", | ||
}; | ||
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pub fn build(b: *std.Build) !void { | ||
const target = b.standardTargetOptions(.{}); | ||
const optimize = b.standardOptimizeOption(.{}); | ||
const linkage = b.option(std.Build.Step.Compile.Linkage, "linkage", "whether to statically or dynamically link the library") orelse .static; | ||
const codeUnitWidth = b.option(CodeUnitWidth, "code-unit-width", "Sets the code unit width") orelse .@"8"; | ||
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const copyFiles = b.addWriteFiles(); | ||
copyFiles.addCopyFileToSource(.{ .path = "src/config.h.generic" }, "src/config.h"); | ||
copyFiles.addCopyFileToSource(.{ .path = "src/pcre2.h.generic" }, "src/pcre2.h"); | ||
copyFiles.addCopyFileToSource(.{ .path = "src/pcre2_chartables.c.dist" }, "src/pcre2_chartables.c"); | ||
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const lib = b.addStaticLibrary(.{ | ||
.name = "pcre2", | ||
.target = target, | ||
.optimize = optimize, | ||
_ = copyFiles.addCopyFile(.{ .path = "src/config.h.generic" }, "config.h"); | ||
_ = copyFiles.addCopyFile(.{ .path = "src/pcre2.h.generic" }, "pcre2.h"); | ||
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const lib = std.Build.Step.Compile.create(b, .{ | ||
.name = b.fmt("pcre2-{s}", .{@tagName(codeUnitWidth)}), | ||
.root_module = .{ | ||
.target = target, | ||
.optimize = optimize, | ||
.link_libc = true, | ||
}, | ||
.kind = .lib, | ||
.linkage = linkage, | ||
}); | ||
lib.addIncludePath(.{ .path = "src" }); | ||
lib.addCSourceFiles(&.{ | ||
"src/pcre2_auto_possess.c", | ||
"src/pcre2_chkdint.c", | ||
"src/pcre2_compile.c", | ||
"src/pcre2_config.c", | ||
"src/pcre2_context.c", | ||
"src/pcre2_convert.c", | ||
"src/pcre2_dfa_match.c", | ||
"src/pcre2_error.c", | ||
"src/pcre2_extuni.c", | ||
"src/pcre2_find_bracket.c", | ||
"src/pcre2_maketables.c", | ||
"src/pcre2_match.c", | ||
"src/pcre2_match_data.c", | ||
"src/pcre2_newline.c", | ||
"src/pcre2_ord2utf.c", | ||
"src/pcre2_pattern_info.c", | ||
"src/pcre2_script_run.c", | ||
"src/pcre2_serialize.c", | ||
"src/pcre2_string_utils.c", | ||
"src/pcre2_study.c", | ||
"src/pcre2_substitute.c", | ||
"src/pcre2_substring.c", | ||
"src/pcre2_tables.c", | ||
"src/pcre2_ucd.c", | ||
"src/pcre2_valid_utf.c", | ||
"src/pcre2_xclass.c", | ||
"src/pcre2_chartables.c", | ||
}, &.{ | ||
"-std=c99", | ||
"-DHAVE_CONFIG_H", | ||
"-DPCRE2_CODE_UNIT_WIDTH=8", | ||
"-DPCRE2_STATIC", | ||
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if (linkage == .static) { | ||
try lib.root_module.c_macros.append(b.allocator, "-DPCRE2_STATIC"); | ||
} | ||
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lib.root_module.addCMacro("PCRE2_CODE_UNIT_WIDTH", @tagName(codeUnitWidth)); | ||
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lib.addCSourceFile(.{ | ||
.file = copyFiles.addCopyFile(.{ .path = "src/pcre2_chartables.c.dist" }, "pcre2_chartables.c"), | ||
.flags = &.{ | ||
"-DHAVE_CONFIG_H", | ||
}, | ||
}); | ||
lib.step.dependOn(©Files.step); | ||
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lib.addIncludePath(.{ .path = b.pathFromRoot("src") }); | ||
lib.addIncludePath(copyFiles.getDirectory()); | ||
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lib.addCSourceFiles(.{ | ||
.files = &.{ | ||
b.pathFromRoot("src/pcre2_auto_possess.c"), | ||
b.pathFromRoot("src/pcre2_chkdint.c"), | ||
b.pathFromRoot("src/pcre2_compile.c"), | ||
b.pathFromRoot("src/pcre2_config.c"), | ||
b.pathFromRoot("src/pcre2_context.c"), | ||
b.pathFromRoot("src/pcre2_convert.c"), | ||
b.pathFromRoot("src/pcre2_dfa_match.c"), | ||
b.pathFromRoot("src/pcre2_error.c"), | ||
b.pathFromRoot("src/pcre2_extuni.c"), | ||
b.pathFromRoot("src/pcre2_find_bracket.c"), | ||
b.pathFromRoot("src/pcre2_maketables.c"), | ||
b.pathFromRoot("src/pcre2_match.c"), | ||
b.pathFromRoot("src/pcre2_match_data.c"), | ||
b.pathFromRoot("src/pcre2_newline.c"), | ||
b.pathFromRoot("src/pcre2_ord2utf.c"), | ||
b.pathFromRoot("src/pcre2_pattern_info.c"), | ||
b.pathFromRoot("src/pcre2_script_run.c"), | ||
b.pathFromRoot("src/pcre2_serialize.c"), | ||
b.pathFromRoot("src/pcre2_string_utils.c"), | ||
b.pathFromRoot("src/pcre2_study.c"), | ||
b.pathFromRoot("src/pcre2_substitute.c"), | ||
b.pathFromRoot("src/pcre2_substring.c"), | ||
b.pathFromRoot("src/pcre2_tables.c"), | ||
b.pathFromRoot("src/pcre2_ucd.c"), | ||
b.pathFromRoot("src/pcre2_valid_utf.c"), | ||
b.pathFromRoot("src/pcre2_xclass.c"), | ||
}, | ||
.flags = &.{ | ||
"-DHAVE_CONFIG_H", | ||
"-DPCRE2_CODE_UNIT_WIDTH=8", | ||
"-DPCRE2_STATIC", | ||
}, | ||
}); | ||
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lib.installHeader("src/pcre2.h.generic", "pcre2.h"); | ||
lib.linkLibC(); | ||
b.installArtifact(lib); | ||
} |