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bazel: similar build flags to cmake for corresponding build types (#4… #720

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merged 10 commits into from
Apr 17, 2017
Merged

bazel: similar build flags to cmake for corresponding build types (#4… #720

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7cebb0e
bazel: similar build flags to cmake for corresponding build types (#4…
htuch Apr 7, 2017
2423d5f
fix_format
htuch Apr 7, 2017
63a3b1c
Don't statically link system libraries.
htuch Apr 7, 2017
b55e524
Bump hash for CI image.
htuch Apr 11, 2017
f47df63
Merge remote-tracking branch 'upstream/master' into build-flags-pr
htuch Apr 11, 2017
1a75897
Merge remote-tracking branch 'upstream/master' into build-flags-pr
htuch Apr 14, 2017
4969692
Merge remote-tracking branch 'upstream/master' into build-flags-pr
htuch Apr 17, 2017
b28d32e
Remove DEBUG for fastbuild/dbg in favor of NDEBUG on opt.
htuch Apr 17, 2017
619dd3c
s/strip_include_prefix/includes/g in ci/prebuilt/BUILD to avoid -Wext…
htuch Apr 17, 2017
e4baffe
Add --define debug_symbols=yes support.
htuch Apr 17, 2017
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15 changes: 15 additions & 0 deletions bazel/BUILD
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Original file line number Diff line number Diff line change
@@ -1,3 +1,18 @@
package(default_visibility = ["//visibility:public"])

exports_files(["gen_sh_test_runner.sh"])

config_setting(
name = "opt_build",
values = {"compilation_mode": "opt"},
)

config_setting(
name = "fastbuild_build",
values = {"compilation_mode": "fastbuild"},
)

config_setting(
name = "dbg_build",
values = {"compilation_mode": "dbg"},
)
19 changes: 9 additions & 10 deletions bazel/envoy_build_system.bzl
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Expand Up @@ -3,22 +3,19 @@ load("@protobuf_git//:protobuf.bzl", "cc_proto_library")
ENVOY_COPTS = [
# TODO(htuch): Remove this when Bazel bringup is done.
"-DBAZEL_BRINGUP",
"-fno-omit-frame-pointer",
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Is this default in bazel?

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Yep.

# TODO(htuch): Clang wants -ferror-limit, should support both. Commented out for now.
# "-fmax-errors=3",
"-Wall",
# TODO(htuch): Figure out why protobuf-3.2.0 causes the CI build to fail
# with this but not the developer-local build.
#"-Wextra",
"-Wextra",
"-Werror",
"-Wnon-virtual-dtor",
"-Woverloaded-virtual",
# TODO(htuch): Figure out how to use this in the presence of headers in
# openssl/tclap which use old style casts.
# "-Wold-style-cast",
"-Wold-style-cast",
"-std=c++0x",
"-includeprecompiled/precompiled.h",
]
] + select({
"//bazel:opt_build": [],
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@mattklein123 mattklein123 Apr 14, 2017 •
edited
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-DNDEBUG? Still need debug symbols?

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Bazel automatically sets NDEBUG in opt, see the output in the above commit messages. We're now actually in a strange situation where Bazel is setting NDEBUG in opt and we set DEBUG in fastbuild/dbg. Shouldn't we just have one define indicating debug and use the negated logic where necessary?

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I think DEBUG is just habit from previous jobs. I don't think we use it anywhere and I agree it's silly. Let's just kill it. Can you grep for it though just to make sure we don't use it anywhere?

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Confirmed it's not used, switching to NDEBUG only.

"//bazel:fastbuild_build": ["-DDEBUG"],
"//bazel:dbg_build": ["-ggdb3", "-DDEBUG"],
})

# References to Envoy external dependencies should be wrapped with this function.
def envoy_external_dep_path(dep):
Expand Down Expand Up @@ -70,6 +67,8 @@ def envoy_cc_binary(name,
linkopts = [
"-pthread",
"-lrt",
"-static-libstdc++",
"-static-libgcc",
],
linkstatic = 1,
visibility = visibility,
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2 changes: 1 addition & 1 deletion ci/ci_steps.sh
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@@ -1,5 +1,5 @@
#!/bin/bash
ENVOY_BUILD_SHA=b05ce8efcc0ba7957ad6724da83b1ae2abee4600
ENVOY_BUILD_SHA=3d878d55e05a554514305f26101bd6ad15a4a602

# Script that lists all the steps take by the CI system when doing Envoy builds.
set -e
Expand Down