editline/build.zig at master · allyourcodebase/editline · GitHub

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const std = @import("std");

pub fn build(b: *std.Build) !void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    const editline_dep = b.dependency("editline_upstream", .{
        .target = target,
        .optimize = optimize,
    });

    const lib_mod = b.createModule(.{
        .root_source_file = null,
        .target = target,
        .optimize = optimize,
        .link_libc = true,
        .sanitize_c = .off,
    });
    lib_mod.addCSourceFiles(.{
        .root = editline_dep.path("src"),
        .files = &.{ "editline.c", "complete.c", "sysunix.c" },
    });
    lib_mod.addIncludePath(editline_dep.path(""));

    const is_x86_linux = target.result.cpu.arch.isX86() and target.result.os.tag == .linux;
    const lib = b.addLibrary(.{
        .linkage = .static,
        .name = "editline",
        .root_module = lib_mod,
        .use_llvm = !is_x86_linux,
    });

    // Generate config.h natively instead of relying on host autotools
    // (./configure detects host features, which breaks under cross-compilation,
    // and newer autoconf releases choke on upstream's macros).
    addDefaultConfigHeader(b, lib_mod);

    const install_header = b.addInstallHeaderFile(editline_dep.path("include/editline.h"), "editline.h");
    b.getInstallStep().dependOn(&install_header.step);

    b.installArtifact(lib);
}

fn addDefaultConfigHeader(b: *std.Build, lib_mod: *std.Build.Module) void {
    const config_header = b.addConfigHeader(
        .{},
        .{
            .CLOSEDIR_VOID = null,
            .CONFIG_ANSI_ARROWS = 1,
            .CONFIG_EOF = 1,
            .CONFIG_SIGINT = 1,
            .CONFIG_SIGSTOP = null,
            .CONFIG_TERMINAL_BELL = null,
            .CONFIG_UNIQUE_HISTORY = 1,
            .CONFIG_USE_TERMCAP = null,
            .GWINSZ_IN_SYS_IOCTL = 1,
            .HAVE_DIRENT_H = 1,
            .HAVE_DLFCN_H = 1,
            .HAVE_INTTYPES_H = 1,
            .HAVE_LIBCURSES = null,
            .HAVE_LIBNCURSES = null,
            .HAVE_LIBTERMCAP = null,
            .HAVE_LIBTERMINFO = null,
            .HAVE_LIBTINFO = null,
            .HAVE_MALLOC_H = 1,
            .HAVE_NDIR_H = null,
            .HAVE_PERROR = 1,
            .HAVE_SGTTY_H = 1,
            .HAVE_SIGNAL_H = 1,
            .HAVE_STAT_EMPTY_STRING_BUG = null,
            .HAVE_STDINT_H = 1,
            .HAVE_STDIO_H = 1,
            .HAVE_STDLIB_H = 1,
            .HAVE_STRCHR = 1,
            .HAVE_STRDUP = 1,
            .HAVE_STRINGS_H = 1,
            .HAVE_STRING_H = 1,
            .HAVE_STRRCHR = 1,
            .HAVE_SYS_DIR_H = null,
            .HAVE_SYS_NDIR_H = null,
            .HAVE_SYS_STAT_H = 1,
            .HAVE_SYS_TYPES_H = 1,
            .HAVE_TCGETATTR = 1,
            .HAVE_TERMCAP_H = 1,
            .HAVE_TERMIOS_H = 1,
            .HAVE_TERMIO_H = 1,
            .HAVE_UNISTD_H = 1,
            .LSTAT_FOLLOWS_SLASHED_SYMLINK = 1,
            .LT_OBJDIR = ".libs/",
            .PACKAGE = "editline",
            .PACKAGE_BUGREPORT = "https://github.com/troglobit/editline/issues",
            .PACKAGE_NAME = "editline",
            .PACKAGE_STRING = "editline 2.1.0",
            .PACKAGE_TARNAME = "editline",
            .PACKAGE_URL = "",
            .PACKAGE_VERSION = "2.1.0",
            .STAT_MACROS_BROKEN = null,
            .STDC_HEADERS = 1,
            .SYS_UNIX = 1,
            .VERSION = "2.1.0",
            .size_t = null,
        },
    );
    lib_mod.addConfigHeader(config_header);
}