summarylogtreecommitdiffstats
path: root/0016-Fix-building-with-PGO-when-using-GCC.patch
diff options
context:
space:
mode:
Diffstat (limited to '0016-Fix-building-with-PGO-when-using-GCC.patch')
-rw-r--r--0016-Fix-building-with-PGO-when-using-GCC.patch81
1 files changed, 81 insertions, 0 deletions
diff --git a/0016-Fix-building-with-PGO-when-using-GCC.patch b/0016-Fix-building-with-PGO-when-using-GCC.patch
new file mode 100644
index 000000000000..67f7d704b19d
--- /dev/null
+++ b/0016-Fix-building-with-PGO-when-using-GCC.patch
@@ -0,0 +1,81 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Thomas Deutschmann <whissi@gentoo.org>
+Date: Thu, 2 Jul 2020 18:05:03 +0200
+Subject: [PATCH] Fix building with PGO when using GCC
+
+Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
+---
+ build/moz.configure/lto-pgo.configure | 5 +++--
+ build/pgo/profileserver.py | 26 ++++++++++++++++++++++----
+ 2 files changed, 25 insertions(+), 6 deletions(-)
+
+diff --git a/build/moz.configure/lto-pgo.configure b/build/moz.configure/lto-pgo.configure
+index 99355877447e48e8c7f8569794e99375ad5b254d..879e08e7c3b1a00f8bf13cf48bfc345fc80abdb0 100644
+--- a/build/moz.configure/lto-pgo.configure
++++ b/build/moz.configure/lto-pgo.configure
+@@ -83,11 +83,12 @@ set_config("PGO_PROFILE_PATH", pgo_profile_path)
+ @imports("multiprocessing")
+ def pgo_flags(compiler, profdata, target_is_windows):
+ if compiler.type == "gcc":
++ profile_use = "-fprofile-use"
+ return namespace(
+ gen_cflags=["-fprofile-generate"],
+ gen_ldflags=["-fprofile-generate"],
+- use_cflags=["-fprofile-use", "-fprofile-correction", "-Wcoverage-mismatch"],
+- use_ldflags=["-fprofile-use"],
++ use_cflags=[profile_use, "-fprofile-correction", "-Wcoverage-mismatch"],
++ use_ldflags=[profile_use],
+ )
+
+ if compiler.type in ("clang-cl", "clang"):
+diff --git a/build/pgo/profileserver.py b/build/pgo/profileserver.py
+index 94f54cbd17369b2d9ebb6b808f8164a44f07589a..c37be30c21326b035cb1b67b090a89061c152dde 100755
+--- a/build/pgo/profileserver.py
++++ b/build/pgo/profileserver.py
+@@ -11,7 +11,7 @@ import subprocess
+ import sys
+
+ import mozcrash
+-from mozbuild.base import BinaryNotFoundException, MozbuildObject
++from mozbuild.base import BinaryNotFoundException, BuildEnvironmentNotFoundException, MozbuildObject
+ from mozfile import TemporaryDirectory
+ from mozhttpd import MozHttpd
+ from mozprofile import FirefoxProfile, Preferences
+@@ -87,9 +87,22 @@ if __name__ == "__main__":
+ locations = ServerLocations()
+ locations.add_host(host="127.0.0.1", port=PORT, options="primary,privileged")
+
+- old_profraw_files = glob.glob("*.profraw")
+- for f in old_profraw_files:
+- os.remove(f)
++ using_gcc = False
++ try:
++ if build.config_environment.substs.get("CC_TYPE") == "gcc":
++ using_gcc = True
++ except BuildEnvironmentNotFoundException:
++ pass
++
++ if using_gcc:
++ for dirpath, _, filenames in os.walk("."):
++ for f in filenames:
++ if f.endswith(".gcda"):
++ os.remove(os.path.join(dirpath, f))
++ else:
++ old_profraw_files = glob.glob("*.profraw")
++ for f in old_profraw_files:
++ os.remove(f)
+
+ with TemporaryDirectory() as profilePath:
+ # TODO: refactor this into mozprofile
+@@ -213,6 +226,11 @@ if __name__ == "__main__":
+ print("Firefox exited successfully, but produced a crashreport")
+ sys.exit(1)
+
++ if using_gcc:
++ print("Copying profile data...")
++ os.system("pwd");
++ os.system('tar cf profdata.tar.gz `find . -name "*.gcda"`; cd ..; tar xf instrumented/profdata.tar.gz;');
++
+ llvm_profdata = env.get("LLVM_PROFDATA")
+ if llvm_profdata:
+ profraw_files = glob.glob("*.profraw")