add testing infra to sysroot creation

.bazeliskrc

@@ -0,0 +1 @@
+USE_BAZEL_VERSION=6.2.0

.bazelrc

@@ -0,0 +1,7 @@
+build:aarch64_sysroot --incompatible_enable_cc_toolchain_resolution
+build:aarch64_sysroot --platforms=@rules_swiftnav//platforms:aarch64_bullseye_graviton2
+
+build:x86_64_sysroot --incompatible_enable_cc_toolchain_resolution
+build:x86_64_sysroot --@rules_swiftnav//cc:enable_sysroot=true
+
+try-import %workspace%/.bazelrc.user

.github/workflows/bullseye-aarch64-sysroot.yaml

@@ -7,7 +7,7 @@ on:
       - .github/workflows/bullseye-aarch64-sysroot.yaml
   push:
     tags:
-      - "bullseye-aarch64-sysroot-*"
+      - "bullseye-sysroot-*"
 
 jobs:
   toolchains:
@@ -21,6 +21,26 @@ jobs:
         run: ./sysroot/sysroot-creator.sh build arm64
 
       - name: Upload sysroot
+        uses: actions/upload-artifact@v3
+        with:
+          name: debian_bullseye_aarch64_sysroot.tar.xz
+          path: sysroot/out/sysroot-build/bullseye/debian_bullseye_arm64_sysroot.tar.xz
+
+      - uses: bazelbuild/setup-bazelisk@v2
+
+      - name: Mount bazel cache
+        uses: actions/cache@v1
+        with:
+          path: "~/.cache/bazel"
+          key: bazel
+
+      - name: Copy sysroot
+        run: cp sysroot/out/sysroot-build/bullseye/debian_bullseye_arm64_sysroot.tar.xz debian_bullseye_aarch64_sysroot.tar.xz
+
+      - name: Test sysroot
+        run: bazel build --config=aarch64_sysroot //sysroot/...
+
+      - name: Release sysroot
         if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
         uses: svenstaro/upload-release-action@v1-release
         with:

.github/workflows/bullseye-x86_64-sysroot.yaml

@@ -7,7 +7,7 @@ on:
       - .github/workflows/bullseye-x86_64-sysroot.yaml
   push:
     tags:
-      - "bullseye-x86_64-sysroot-*"
+      - "bullseye-sysroot-*"
 
 jobs:
   toolchains:
@@ -21,6 +21,26 @@ jobs:
         run: ./sysroot/sysroot-creator.sh build amd64
 
       - name: Upload sysroot
+        uses: actions/upload-artifact@v3
+        with:
+          name: debian_bullseye_x86_64_sysroot.tar.xz
+          path: sysroot/out/sysroot-build/bullseye/debian_bullseye_amd64_sysroot.tar.xz
+
+      - uses: bazelbuild/setup-bazelisk@v2
+
+      - name: Mount bazel cache
+        uses: actions/cache@v1
+        with:
+          path: "~/.cache/bazel"
+          key: bazel
+
+      - name: Copy sysroot
+        run: cp sysroot/out/sysroot-build/bullseye/debian_bullseye_amd64_sysroot.tar.xz debian_bullseye_x86_64_sysroot.tar.xz
+
+      - name: Test sysroot
+        run: bazel build --config=x86_64_sysroot //sysroot/...
+
+      - name: Release sysroot
         if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
         uses: svenstaro/upload-release-action@v1-release
         with:

.gitignore

@@ -4,3 +4,5 @@ build-x86/
 output/
 llvm-obfuscator-*.txz
 sysroot/out
+/bazel-*
+.bazelrc.user

WORKSPACE.bazel

@@ -0,0 +1,55 @@
+workspace(name = "swift-toolchains")
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "bazel_skylib",
+    sha256 = "74d544d96f4a5bb630d465ca8bbcfe231e3594e5aae57e1edbf17a6eb3ca2506",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.3.0/bazel-skylib-1.3.0.tar.gz",
+        "https://github.com/bazelbuild/bazel-skylib/releases/download/1.3.0/bazel-skylib-1.3.0.tar.gz",
+    ],
+)
+
+load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
+
+bazel_skylib_workspace()
+
+http_archive(
+    name = "rules_swiftnav",
+    sha256 = "91a230cf400921189f1654ebe7ca10305e89f3d8cccc0c7486e6fc8886ac0d1b",
+    strip_prefix = "rules_swiftnav-3262a9ccd01951aa45576be3db102f03b84047eb",
+    url = "https://github.com/swift-nav/rules_swiftnav/archive/3262a9ccd01951aa45576be3db102f03b84047eb.tar.gz",
+)
+
+load("@rules_swiftnav//cc:repositories.bzl", "register_swift_cc_toolchains", "swift_cc_toolchain")
+
+swift_cc_toolchain()
+
+register_swift_cc_toolchains()
+
+load("@rules_swiftnav//tools:local_archive.bzl", "local_archive")
+
+local_archive(
+    name = "aarch64-sysroot",
+    build_file_content = """
+filegroup(
+    name = "aarch64-sysroot",
+    srcs = glob(["*/**"]),
+    visibility = ["//visibility:public"],
+)
+    """,
+    src = "//:debian_bullseye_aarch64_sysroot.tar.xz",
+)
+
+local_archive(
+    name = "x86_64-sysroot",
+    build_file_content = """
+filegroup(
+    name = "x86_64-sysroot",
+    srcs = glob(["*/**"]),
+    visibility = ["//visibility:public"],
+)
+    """,
+    src = "//:debian_bullseye_x86_64_sysroot.tar.xz",
+)

sysroot/BUILD.bazel

@@ -0,0 +1,22 @@
+cc_binary(
+    name = "uuid",
+    srcs = ["test/uuid.cc"],
+    linkopts = [
+        "-luuid",
+    ],
+)
+
+cc_binary(
+    name = "foo",
+    srcs = ["test/lapack.cc"],
+    linkopts = [
+        "-Lexternal/aarch64-sysroot/usr/lib/aarch64-linux-gnu/blas",
+        "-Lexternal/aarch64-sysroot/usr/lib/aarch64-linux-gnu/lapack",
+        "-Lexternal/x86_64-sysroot/usr/lib/x86_64-linux-gnu/blas",
+        "-Lexternal/x86_64-sysroot/usr/lib/x86_64-linux-gnu/lapack",
+        "-lm",
+        "-lpthread",
+        "-lblas",
+        "-llapack",
+    ],
+)

sysroot/generated_package_lists/bullseye.amd64

@@ -4,5 +4,9 @@ https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/g/gcc-10/l
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/g/gcc-10/libstdc++6_10.2.1-6_amd64.deb
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/g/glibc/libc6_2.31-13+deb11u5_amd64.deb
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/g/glibc/libc6-dev_2.31-13+deb11u5_amd64.deb
+https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/lapack/libblas3_3.9.0-3_amd64.deb
+https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/lapack/libblas-dev_3.9.0-3_amd64.deb
+https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/lapack/liblapack3_3.9.0-3_amd64.deb
+https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/lapack/liblapack-dev_3.9.0-3_amd64.deb
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/linux/linux-libc-dev_6.1.12-1~bpo11+1_amd64.deb
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/u/util-linux/uuid-dev_2.36.1-8+deb11u1_amd64.deb

sysroot/generated_package_lists/bullseye.arm64

@@ -4,5 +4,9 @@ https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/g/gcc-10/l
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/g/gcc-10/libstdc++6_10.2.1-6_arm64.deb
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/g/glibc/libc6_2.31-13+deb11u5_arm64.deb
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/g/glibc/libc6-dev_2.31-13+deb11u5_arm64.deb
+https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/lapack/libblas3_3.9.0-3_arm64.deb
+https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/lapack/libblas-dev_3.9.0-3_arm64.deb
+https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/lapack/liblapack3_3.9.0-3_arm64.deb
+https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/lapack/liblapack-dev_3.9.0-3_arm64.deb
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/l/linux/linux-libc-dev_6.1.12-1~bpo11+1_arm64.deb
 https://snapshot.debian.org/archive/debian/20230329T085712Z/pool/main/u/util-linux/uuid-dev_2.36.1-8+deb11u1_arm64.deb

sysroot/sysroot-creator.sh

@@ -61,6 +61,10 @@ DEBIAN_PACKAGES="\
   uuid-dev
   libgcc-10-dev
   libgcc-s1
+  libblas-dev
+  libblas3
+  liblapack-dev
+  liblapack3
 "
 
 DEBIAN_PACKAGES_AMD64="

sysroot/test/lapack.cc

@@ -0,0 +1,42 @@
+// LAPACK test code
+//compile with: g++ main.cpp -llapack -lblas -o testprog
+
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+extern "C" void dgetrf_(int* dim1, int* dim2, double* a, int* lda, int* ipiv, int* info);
+extern "C" void dgetrs_(char *TRANS, int *N, int *NRHS, double *A, int *LDA, int *IPIV, double *B, int *LDB, int *INFO );
+
+int main()
+{
+    char trans = 'N';
+    int dim = 2;
+    int nrhs = 1;
+    int LDA = dim;
+    int LDB = dim;
+    int info;
+
+    vector<double> a, b;
+
+    a.push_back(1);
+    a.push_back(1);
+    a.push_back(1);
+    a.push_back(-1);
+
+    b.push_back(2);
+    b.push_back(0);
+
+    int ipiv[3];
+
+    dgetrf_(&dim, &dim, &*a.begin(), &LDA, ipiv, &info);
+    dgetrs_(&trans, &dim, &nrhs, & *a.begin(), &LDA, ipiv, & *b.begin(), &LDB, &info);
+
+
+    std::cout << "solution is:";
+    std::cout << "[" << b[0] << ", " << b[1] << ", " << "]" << std::endl;
+    std::cout << "Info = " << info << std::endl;
+
+    return(0);
+}

sysroot/test/uuid.cc

@@ -0,0 +1,8 @@
+#include <uuid/uuid.h>
+#include <iostream>
+
+int main() {
+    uuid_t uuid{};
+    uuid_generate_random(uuid);
+    std::cout << "uuid: " << uuid << std::endl;
+}