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const std = @import("std");
pub const CodeUnitWidth = enum {
@"8",
@"16",
@"32",
};
pub fn build(b: *std.Build) !void {
const target = b.standardTargetOptions(.{});
const optimize = b.standardOptimizeOption(.{});
const linkage = b.option(std.builtin.LinkMode, "linkage", "whether to statically or dynamically link the library") orelse @as(std.builtin.LinkMode, if (target.result.isGnuLibC()) .dynamic else .static);
const codeUnitWidth = b.option(CodeUnitWidth, "code-unit-width", "Sets the code unit width") orelse .@"8";
const pcre2_header_dir = b.addWriteFiles();
const pcre2_header = pcre2_header_dir.addCopyFile(b.path("src/pcre2.h.generic"), "pcre2.h");
const config_header = b.addConfigHeader(
.{
.style = .{ .cmake = b.path("config-cmake.h.in") },
.include_path = "config.h",
},
.{
.HAVE_ASSERT_H = true,
.HAVE_UNISTD_H = (target.result.os.tag != .windows),
.HAVE_WINDOWS_H = (target.result.os.tag == .windows),
.HAVE_MEMMOVE = true,
.HAVE_STRERROR = true,
.SUPPORT_PCRE2_8 = codeUnitWidth == CodeUnitWidth.@"8",
.SUPPORT_PCRE2_16 = codeUnitWidth == CodeUnitWidth.@"16",
.SUPPORT_PCRE2_32 = codeUnitWidth == CodeUnitWidth.@"32",
.SUPPORT_UNICODE = true,
.PCRE2_EXPORT = null,
.PCRE2_LINK_SIZE = 2,
.PCRE2_HEAP_LIMIT = 20000000,
.PCRE2_MATCH_LIMIT = 10000000,
.PCRE2_MATCH_LIMIT_DEPTH = "MATCH_LIMIT",
.PCRE2_MAX_VARLOOKBEHIND = 255,
.NEWLINE_DEFAULT = 2,
.PCRE2_PARENS_NEST_LIMIT = 250,
},
);
// pcre2-8/16/32.so
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.defineCMacro("HAVE_CONFIG_H", null);
lib.defineCMacro("PCRE2_CODE_UNIT_WIDTH", @tagName(codeUnitWidth));
if (linkage == .static) {
lib.defineCMacro("PCRE2_STATIC", null);
}
lib.addConfigHeader(config_header);
lib.addIncludePath(pcre2_header_dir.getDirectory());
lib.addIncludePath(b.path("src"));
lib.addCSourceFile(.{
.file = b.addWriteFiles().addCopyFile(b.path("src/pcre2_chartables.c.dist"), "pcre2_chartables.c"),
});
lib.addCSourceFiles(.{
.files = &.{
"src/pcre2_auto_possess.c",
"src/pcre2_chkdint.c",
"src/pcre2_compile.c",
"src/pcre2_compile_class.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_jit_compile.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",
},
});
lib.installHeader(pcre2_header, "pcre2.h");
b.installArtifact(lib);
// pcre2test
const pcre2test = b.addExecutable(.{
.name = "pcre2test",
.target = target,
.optimize = optimize,
});
// pcre2-posix.so
if (codeUnitWidth == CodeUnitWidth.@"8") {
const posixLib = std.Build.Step.Compile.create(b, .{
.name = "pcre2-posix",
.root_module = .{
.target = target,
.optimize = optimize,
.link_libc = true,
},
.kind = .lib,
.linkage = linkage,
});
posixLib.defineCMacro("HAVE_CONFIG_H", null);
posixLib.defineCMacro("PCRE2_CODE_UNIT_WIDTH", @tagName(codeUnitWidth));
if (linkage == .static) {
posixLib.defineCMacro("PCRE2_STATIC", null);
}
posixLib.addConfigHeader(config_header);
posixLib.addIncludePath(pcre2_header_dir.getDirectory());
posixLib.addIncludePath(b.path("src"));
posixLib.addCSourceFiles(.{
.files = &.{
"src/pcre2posix.c",
},
});
posixLib.installHeader(b.path("src/pcre2posix.h"), "pcre2posix.h");
b.installArtifact(posixLib);
pcre2test.linkLibrary(posixLib);
}
// pcre2test (again)
pcre2test.defineCMacro("HAVE_CONFIG_H", null);
pcre2test.addConfigHeader(config_header);
pcre2test.addIncludePath(pcre2_header_dir.getDirectory());
pcre2test.addIncludePath(b.path("src"));
pcre2test.addCSourceFile(.{
.file = b.path("src/pcre2test.c"),
});
pcre2test.linkLibC();
pcre2test.linkLibrary(lib);
b.installArtifact(pcre2test);
}
|
