klib: add package (#5560)

* klib: add package

* improve non-x86 arch build

packages/k/klib/port/rand48.c

@@ -0,0 +1,9 @@
+#include <stdlib.h>
+
+double drand48(void) {
+    return rand() / (RAND_MAX + 1.0);
+}
+
+void srand48(long int seedval) {
+    srand(seedval);
+}

packages/k/klib/port/unistd.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#ifdef _MSC_VER
+#include <BaseTsd.h>
+typedef SSIZE_T ssize_t;
+#else
+typedef int ssize_t;
+#endif

packages/k/klib/port/xmake.lua

@@ -0,0 +1,52 @@
+option("url", {default = false})
+option("thread", {default = false})
+option("open", {default = false})
+
+add_rules("mode.release", "mode.debug")
+
+add_requires("zlib")
+if has_config("url") then
+    add_requires("libcurl")
+    add_packages("libcurl")
+end
+
+if has_config("thread") then
+    add_syslinks("pthread")
+end
+
+target("klib")
+    set_kind("$(kind)")
+    add_files("kmath.c", {defines = "M_SQRT2=1.41421356237309504880"})
+    add_files("*.c|rand48.c|kurl.c|kthread.c|kopen.c|ksw.c")
+    add_includedirs(os.projectdir())
+    add_packages("zlib")
+
+    if is_plat("windows") and is_kind("shared") then
+        add_rules("utils.symbols.export_all")
+    end
+
+    if is_plat("windows", "mingw") then
+        add_syslinks("ws2_32")
+    end
+
+    add_headerfiles("*.h|unistd.h|kurl.h|kthread.h|kopen.h|ksw.h")
+
+    if has_config("url") then
+        add_files("kurl.c")
+        add_headerfiles("kurl.h")
+    end
+
+    if has_config("thread") then
+        add_files("kthread.c")
+        add_headerfiles("kthread.h")
+    end
+
+    if has_config("open") then
+        add_files("kopen.c")
+        add_headerfiles("kopen.h")
+    end
+
+    if is_arch("x64", "x86", "x86_64") then
+        add_files("ksw.c")
+        add_headerfiles("ksw.h")
+    end

packages/k/klib/xmake.lua

@@ -0,0 +1,53 @@
+package("klib")
+    set_homepage("http://attractivechaos.github.io/klib/")
+    set_description("A standalone and lightweight C library")
+    set_license("MIT")
+
+    add_urls("https://github.com/attractivechaos/klib.git")
+    add_versions("2024.06.03", "29445495262cf34f4c3b82d3917ac83f3e1f3f58")
+
+    add_configs("url", {description = "Enable FILE-like interfaces to libcurl.", default = false, type = "boolean"})
+    add_configs("thread", {description = "Enable simple multi-threading models.", default = false, type = "boolean"})
+    add_configs("open", {description = "Enable smart stream opening.", default = false, type = "boolean"})
+
+    if is_plat("windows", "mingw") then
+        add_syslinks("ws2_32")
+    end
+
+    add_deps("zlib")
+
+    on_load(function (package)
+        if package:config("url") then
+            package:add("deps", "libcurl")
+        end
+        if package:config("thread") then
+            package:add("syslinks", "pthread")
+        end
+    end)
+
+    on_install(function (package)
+        io.replace("bgzf.c", "fp->uncompressed_block + input_length", "(char*)fp->uncompressed_block + input_length", {plain = true})
+        io.replace("bgzf.c", "fp->compressed_block + 18", "(char*)fp->compressed_block + 18", {plain = true})
+        io.replace("knetfile.c", "buf + l", "(char*)buf + l", {plain = true})
+        if package:is_plat("windows", "mingw") then
+            io.replace("khmm.c", "// new/delete hmm_par_t", [[#include "rand48.c"]], {plain = true})
+        end
+
+        local configs = {
+            url = package:config("url"),
+            thread = package:config("thread"),
+            open = package:config("open"),
+        }
+        if package:is_plat("windows", "mingw") then
+            os.cp(path.join(package:scriptdir(), "port", "rand48.c"), "rand48.c")
+            if package:is_plat("windows") then
+                os.cp(path.join(package:scriptdir(), "port", "unistd.h"), "unistd.h")
+            end
+        end
+        os.cp(path.join(package:scriptdir(), "port", "xmake.lua"), "xmake.lua")
+        import("package.tools.xmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("kmalloc", {includes = "kalloc.h"}))
+    end)