BUILD: explain the USE_UTMPX option a little better

[oweals/dinit.git] / configs / mconfig.FreeBSD

diff --git a/configs/mconfig.FreeBSD b/configs/mconfig.FreeBSD
index 36f24967ae2c68b94a05677f354a293db8df0228..36ea49d1825f8c0775bba7e8130f4a841661ec5b 100644 (file)
--- a/configs/mconfig.FreeBSD
+++ b/configs/mconfig.FreeBSD
@@ -8,9 +8,17 @@ SYSCONTROLSOCKET=/dev/dinitctl
 # General build options.
 
 # FreeBSD: use clang++ by default, supports sanitizers, requires linking with -lrt
-# Cannot use -fno-rtti: apparently prevents exception handling from working properly.
+# Cannot use LTO with default linker.
 CXX=clang++
-CXXOPTS=-std=c++11 -Os -Wall
+CXXOPTS=-std=c++11 -Os -Wall -fno-plt -fno-rtti
 LDFLAGS=-lrt
 BUILD_SHUTDOWN=no
 SANITIZEOPTS=-fsanitize=address,undefined
+
+# Notes:
+#   -fno-rtti (optional) : Dinit does not require C++ Run-time Type Information
+#   -fno-plt  (optional) : Recommended optimisation
+#   -flto     (optional) : Perform link-time optimisation
+#   -fsanitize=address,undefined :  Apply sanitizers (during unit tests)
+#
+# Old versions of FreeBSD had issues with -fno-plt/-fno-rtti.