fix: make test-bazel-bench

Author: igormcoelho

.bazelignore

@@ -0,0 +1,2 @@
+conandeps2/
+strange/

.gitignore

@@ -1,9 +1,12 @@
 *~
 bazel-*
 conandeps/
+.vscode/
+a.out
 conan.lock
 conanbuild.json
 conanbuildinfo.txt
 conaninfo.txt
 graph_info.json
-conan_cache/
+conan_cache*
+conanbuild.conf

.vscode/settings.json

@@ -8,11 +8,17 @@ This is an experimental library in Header Only format (just add `Scanner.hpp` to
 This project tries to use both Conan and Bazel (during tests and benchmarks, not production).
 By Conan, the files at `conandeps` are created in a compatible manner with Bazel.
 
+### Working Example for Conan+Bazel+Benchmark
+
+`make test-bazel-bench`
+
+This will create `conandeps/` folder and initialize bazel dependencies from `setup-conandeps-bazel/`.
+
 ### Dependencies
 
-`conan search benchmark -r conan-center`
+`conan search benchmark -r conancenter`
 
-`conan search tl-expected -r conan-center`
+`conan search tl-expected -r conancenter`
 
 ### Conan + Bazel
 
@@ -32,6 +38,8 @@ or install in local `conan_cache` folder:
 mkdir -p conan_cache && export CONAN_USER_HOME=${PWD}/conan_cache && conan install . -s compiler.libcxx=libstdc++11
 ```
 
+MAYBE: `conan profile update settings.compiler.libcxx=libstdc++11 default`
+TODO: TRY THIS LATER TO MAYBE AVOID PREVIOUS COMMAND...
 
 At `conandeps/benchmark/BUILD`, small fix, add these into `cc_library`:
 

BUILD.bzl

@@ -13,4 +13,5 @@ load('@bazel_tools//tools/build_defs/repo:git.bzl', 'git_repository')
 # conan install .
 # will generate 'conandeps' folder and many conaninfo local files (see .gitignore)
 load("@//conandeps:dependencies.bzl", "load_conan_dependencies")
+#w=__workspace_dir__
 load_conan_dependencies()

README.md

@@ -4,6 +4,10 @@ all:
 test:
 	cd tests && make
 
+test-bazel-bench: get_conan_packages
+	# cd tests && ./run_bench.sh
+	cd tests && make bazel-bench 
+
 install:
 	# this will require sudo to copy header to /usr/local/include/scannerpp/
 	./install.sh && echo "Finished successfully"
@@ -13,3 +17,16 @@ test-install:
 
 test-coverage:
 	cd tests && make test-coverage && echo "Finished successfully"
+
+get_conan_packages:
+	# rm -rf conan_packages
+	mkdir -p conandeps/conan_packages
+	cp setup-conandeps-bazel/conanfile-conandeps.py conandeps/conanfile.py
+	export CONAN_USER_HOME=${PWD}/conandeps/conan_packages && cd conandeps && conan install . -s compiler.libcxx=libstdc++11
+	cp setup-conandeps-bazel/BUILD-conandeps-benchmark.bzl conandeps/benchmark/BUILD
+	cp setup-conandeps-bazel/BUILD-conandeps-tl-expected.bzl conandeps/tl-expected/BUILD
+
+clean_bazel_deps:
+	rm -f  conandeps/dependencies.bzl
+	rm -rf conandeps/tl-expected
+	rm -rf conandeps/benchmark

WORKSPACE.bazel

@@ -0,0 +1,28 @@
+
+#filegroup(
+#    name = "benchmark_binaries",
+#    data = glob(["**"]),
+#    visibility = ["//visibility:public"],
+#)
+
+cc_import(
+    name = "benchmark_precompiled",
+    static_library = "lib/libbenchmark.a",
+   # visibility = ["//visibility:public"],
+)
+
+cc_import(
+    name = "benchmark_main_precompiled",
+    static_library = "lib/libbenchmark_main.a",
+    #visibility = ["//visibility:public"],
+)
+
+
+cc_library(
+    name = "benchmark",
+    includes = ["include"],
+    hdrs = glob(["include/**"]),
+    deps = [":benchmark_precompiled"],
+    linkopts = ["-lpthread"],
+    visibility = ["//visibility:public"]
+)

makefile

@@ -0,0 +1,9 @@
+
+load("@rules_cc//cc:defs.bzl", "cc_import", "cc_library")
+
+cc_library(
+    name = "tl-expected",
+    hdrs = glob(["include/**"]),
+    includes = ["include"],
+    visibility = ["//visibility:public"]
+)

setup-conandeps-bazel/BUILD-conandeps-benchmark.bzl

@@ -1,3 +1,9 @@
+#
+# MOVE THIS FILE FROM setup-conandeps/ TO conandeps/ FOLDER AND RENAME IT TO conanfile.py
+# SCRIPT WILL DO THIS AUTOMATICALLY:
+# - make get_conan_packages
+# - make bazel-bench
+#
 from conans import ConanFile
 
 # conan with bazel (since Conan 1.37.0)
@@ -11,7 +17,7 @@
 # INSTRUCTIONS
 # ============
 # pip install conan
-# conan search tl-expected -r conan-center
+# conan search tl-expected -r conancenter
 # conan inspect tl-expected/20190710
 # > write local conanfile.py (this file)
 # conan install .