custom openblas distribution

could not merge in xmake-repo so we do it here

packages/openblas.lua

@@ -0,0 +1,91 @@
+package("openblas_custom")
+    set_homepage("http://www.openblas.net/")
+    set_description("OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.")
+    set_license("BSD-3-Clause")
+
+    if is_plat("windows") then
+        if is_arch("x64", "x86_64") then
+            add_urls("https://github.com/OpenMathLib/OpenBLAS/releases/download/v$(version)/OpenBLAS-$(version)-x64.zip")
+            add_versions("0.3.26", "859c510a962a30ef1b01aa93cde26fdb5fb1050f94ad5ab2802eba3731935e06")
+        elseif is_arch("x86") then
+            add_urls("https://github.com/OpenMathLib/OpenBLAS/releases/download/v$(version)/OpenBLAS-$(version)-x86.zip")
+            add_versions("0.3.26", "9c3d48c3c21cd2341d642a63ee8a655205587befdab46462df7e0104d6771f67")
+        end
+    else
+        add_urls("https://github.com/OpenMathLib/OpenBLAS/releases/download/v$(version)/OpenBLAS-$(version).tar.gz")
+        add_versions("0.3.26", "4e6e4f5cb14c209262e33e6816d70221a2fe49eb69eaf0a06f065598ac602c68")
+    end
+
+    add_configs("shared", {description = "Build shared library.", default = true, type = "boolean", readonly = is_plat("windows")})
+    add_configs("lapack", {description = "Build LAPACK", default = true, type = "boolean", readonly = is_plat("windows")})
+    add_configs("dynamic_arch", {description = "Enable dynamic arch dispatch", default = (is_plat("linux") or is_plat("windows")), type = "boolean", readonly = not is_plat("linux")})
+    add_configs("openmp", {description = "Compile with OpenMP enabled", default = (is_plat("windows") or is_plat("linux")), type = "boolean", readonly = not is_plat("linux")})
+
+    if not is_plat("windows") then
+        add_deps("cmake")
+    end
+    if is_plat("linux") then
+        add_extsources("apt::libopenblas-dev", "pacman::libopenblas")
+        add_syslinks("pthread")
+    end
+
+    on_load("linux", function (package)
+        if package:config("openmp") then package:add("deps", "openmp") end
+    end)
+
+    on_load("windows|x64", "windows|x86", function (package)
+        package:add("defines", "HAVE_LAPACK_CONFIG_H")
+    end)
+
+    on_install("windows|x64", "windows|x86", function (package)
+        os.cp("bin", package:installdir())
+        os.cp("include", package:installdir())
+        os.cp(path.join("lib", "libopenblas.lib"), path.join(package:installdir("lib"), "openblas.lib"))
+        package:addenv("PATH", "bin")
+    end)
+
+    on_install("macosx", "linux", function (package)
+        local configs = {"-DCMAKE_BUILD_TYPE=Release", "-DBUILD_TESTING=OFF",  "-DNOFORTRAN=ON"}
+        table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
+        table.insert(configs, "-DDYNAMIC_ARCH=" .. (package:config("dynamic_arch") and "ON" or "OFF"))
+        table.insert(configs, "-DUSE_OPENMP=" .. (package:config("openmp") and "ON" or "OFF"))
+        if package:is_plat("macosx") and package:is_arch("arm64") then
+            table.insert(configs, "-DTARGET=VORTEX") 
+            table.insert(configs, "-DBINARY=64")
+        end
+        if package:config("lapack") then
+            table.insert(configs, "-DC_LAPACK=ON")
+            table.insert(configs, "-DBUILD_LAPACK_DEPRECATED=OFF")
+        else
+            table.insert(configs, "-DONLY_CBLAS=ON")
+            table.insert(configs, "-DBUILD_WITHOUT_LAPACK=ON")
+        end
+        import("package.tools.cmake").install(package, configs)
+
+        os.mv(package:installdir() .. "/include/openblas/*" , package:installdir("include"))
+        os.rm(package:installdir("include/openblas"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_csnippets({test = [[
+            void test() {
+                double A[6] = {1.0,2.0,1.0,-3.0,4.0,-1.0};
+                double B[6] = {1.0,2.0,1.0,-3.0,4.0,-1.0};
+                double C[9] = {0.8,0.2,0.5,-0.3,0.5,0.2,0.1,0.4,0.1};
+
+                cblas_dgemm(CblasColMajor,CblasNoTrans,CblasTrans,3,3,2,1,A,3,B,3,2,C,3);
+            }
+        ]]}, {includes = {"cblas.h"}}))
+
+        if package:config("lapack") then
+            assert(package:check_csnippets({test = [[
+                void test() {
+                    double A[9] = {0.8,0.2,0.5,-0.3,0.5,0.2,0.1,0.4,0.1};
+                    double x[3] = {1.0,2.0,3.0};
+                    lapack_int ipiv[3];
+
+                    LAPACKE_dgesv(LAPACK_COL_MAJOR, 3, 1, A, 3, ipiv, x, 3);
+                }
+            ]]}, {includes = {"lapacke.h"}}))
+        end
+    end)

packages/taskflow.lua

@@ -1,4 +1,4 @@
-package("taskflow_custom", function()
+package("taskflow_custom")
     set_urls("https://github.com/samayala22/taskflow.git")
     add_urls("https://github.com/samayala22/taskflow/archive/$(version).tar.gz")
     add_versions("v3.6.2", "0a1d306f90e8e17cb98b95eaae9e8b9455beeeca0f0a72afee7719b27706c68c")
@@ -26,5 +26,4 @@ package("taskflow_custom", function()
                 executor.run(taskflow).wait();
             }
         ]]}, {configs = {languages = "c++17"}}))
-    end)
-end)
+    end)

vlm/backends/avx2/xmake.lua

@@ -1,4 +1,4 @@
-add_requires("openblas")
+add_requires("openblas_custom")
 add_requires("taskflow_custom")
 
 target("backend-avx2")
@@ -7,7 +7,7 @@ target("backend-avx2")
     add_vectorexts("avx2", "fma")
     add_packages("taskflow_custom")
     add_defines("HAVE_LAPACK_CONFIG_H")
-    add_packages("openblas", { public = true })
+    add_packages("openblas_custom", { public = true })
 
     add_includedirs("../../include")
     add_files("src/*.cpp")

xmake.lua

@@ -40,7 +40,7 @@ for _,name in ipairs(backends) do
     end
 end
 
-includes("packages/taskflow.lua")
+includes("packages/*.lua")
 includes("vlm/xmake.lua") -- library and main driver
 
 -- Create tests