Moved configure_use_malloc example to third party examples (#634)

examples/.bazelignore

@@ -1,2 +1 @@
 cmake_crosstool
-configure_use_malloc

examples/third_party/BUILD.bazel

@@ -8,6 +8,7 @@ test_suite(
         "//cares:test_c_ares",
         "//curl:curl_build_test",
         "//gn:gn_launch_test",
+        "//gperftools:test",
         "//libgit2:libgit2_build_test",
         "//libpng:test_libpng",
         "//libssh2:libssh2_build_test",
@@ -21,11 +22,12 @@ test_suite(
     tags = ["manual"],
     tests = [
         # Missing a new enough m4 to build
-        #"//bison:bison_build_test",
+        # "//bison:bison_build_test",
         "//cares:test_c_ares",
         "//curl:curl_build_test",
         # Attempts to access git sha during configure of build so fails
-        #"//gn:gn_launch_test",
+        # "//gn:gn_launch_test",
+        "//gperftools:test",
         "//libgit2:libgit2_build_test",
         "//libpng:test_libpng",
         "//libssh2:libssh2_build_test",
@@ -41,6 +43,7 @@ test_suite(
         "//cares:test_c_ares",
         "//curl:curl_build_test",
         "//gn:gn_launch_test",
+        "//gperftools:test",
         "//iconv:iconv_build_test",
         "//libgit2:libgit2_build_test",
         "//libpng:test_libpng",

examples/third_party/gperftools/BUILD.bazel

@@ -0,0 +1,34 @@
+load("@bazel_skylib//rules:build_test.bzl", "build_test")
+# load("@rules_cc//cc:defs.bzl", "cc_test")
+
+exports_files(
+    [
+        "BUILD.gperftools.bazel",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+# TODO(rules_foreign_cc#227) This currently gives an error:
+# "ERROR: <...>/use_malloc/BUILD:17:14: in malloc attribute of cc_test rule //:test:
+# configure_make rule '@gperftools//:gperftools_build' is misplaced here (expected cc_library)"
+# cc_test(
+#     name = "malloc_test",
+#     srcs = ["malloc_test.cpp"],
+#     malloc = "@gperftools//:gperftools_build",
+# )
+
+build_test(
+    name = "build_test",
+    targets = [
+        "@gperftools//:gperftools_build",
+    ],
+)
+
+test_suite(
+    name = "test",
+    tests = [
+        ":build_test",
+        # ":malloc_test",
+    ],
+    visibility = ["//:__pkg__"],
+)

examples/third_party/gperftools/BUILD.gperftools.bazel

@@ -0,0 +1,22 @@
+load("@rules_foreign_cc//foreign_cc:defs.bzl", "configure_make")
+
+filegroup(
+    name = "all_srcs",
+    srcs = glob(["**"]),
+)
+
+configure_make(
+    name = "gperftools_build",
+    configure_env_vars = select({
+        "@platforms//os:macos": {"AR": ""},
+        "//conditions:default": {},
+    }),
+    configure_options = [
+        "--enable-shared=no",
+        "--enable-frame-pointers",
+        "--disable-libunwind",
+    ],
+    lib_source = ":all_srcs",
+    out_static_libs = ["libtcmalloc_and_profiler.a"],
+    visibility = ["//visibility:public"],
+)

examples/third_party/gperftools/gperftools_repositories.bzl

@@ -0,0 +1,14 @@
+"""A module defining the third party dependency gperftools"""
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
+
+def gperftools_repositories():
+    maybe(
+        http_archive,
+        name = "gperftools",
+        build_file = Label("//gperftools:BUILD.gperftools.bazel"),
+        sha256 = "1ee8c8699a0eff6b6a203e59b43330536b22bbcbe6448f54c7091e5efb0763c9",
+        strip_prefix = "gperftools-2.7",
+        urls = ["https://github.com/gperftools/gperftools/releases/download/gperftools-2.7/gperftools-2.7.tar.gz"],
+    )

examples/configure_use_malloc/hello.cpp → examples/third_party/gperftools/malloc_test.cc

@@ -2,5 +2,5 @@
 
 int main(int argc, char* argv[])
 {
-  std::cout << "Hi there!";
-}
+    std::cout << "Hi there!";
+}

examples/third_party/repositories.bzl

@@ -1,10 +1,12 @@
-# buildifier: disable=module-docstring
+"""A centralized module defining all repositories required for third party examples of rules_foreign_cc"""
+
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
 load("//bison:bison_repositories.bzl", "bison_repositories")
 load("//cares:cares_repositories.bzl", "cares_repositories")
 load("//curl:curl_repositories.bzl", "curl_repositories")
 load("//gn:gn_repositories.bzl", "gn_repositories")
+load("//gperftools:gperftools_repositories.bzl", "gperftools_repositories")
 load("//iconv:iconv_repositories.bzl", "iconv_repositories")
 load("//libgit2:libgit2_repositories.bzl", "libgit2_repositories")
 load("//libpng:libpng_repositories.bzl", "libpng_repositories")
@@ -20,6 +22,7 @@ def repositories():
     cares_repositories()
     curl_repositories()
     gn_repositories()
+    gperftools_repositories()
     iconv_repositories()
     libgit2_repositories()
     libpng_repositories()