Strip debug info from binary when RELEASE is specified.
This results in almost 10MB savings from syncbase_server.mojo on Linux.
Change-Id: I61a039da676cf17c6ab062474d273530ae6b0f91
diff --git a/mojo.mk b/mojo.mk
index 114479e..0f43ce9 100644
--- a/mojo.mk
+++ b/mojo.mk
@@ -20,6 +20,22 @@
TARGET := amd64-linux
endif
+LDFLAGS := -shared
+ifdef RELEASE
+ # Configure ldflags to omit debug information.
+ # See https://golang.org/doc/gdb
+ #
+ # NOTE(nlacasse): The Go team recommends passing "-w" to strip debug
+ # information instead of "-s" (https://codereview.appspot.com/88030045).
+ # It appears that "-s" used to strip the pclntab and thus mangle panic
+ # traces, but that is no longer the behavior (as of
+ # https://codereview.appspot.com/88030045).
+ # I've left the "-s" for now, since it seems to work and panic traces look
+ # fine, but if other issues arise we should switch to "-w".
+ LDFLAGS += -s
+endif
+
+
# Add Dart SDK to path.
PATH := $(shell jiri v23-profile env --profiles=dart DART_SDK=)/bin:$(PATH)
@@ -43,7 +59,7 @@
# $2 is output filename.
define MOGO_BUILD
mkdir -p $(dir $2)
- jiri go -v -profiles=$(MOJO_PROFILE),base -target=$(TARGET) build -o $2 -tags=mojo -ldflags=-shared -buildmode=c-shared $1
+ jiri go -v -profiles=$(MOJO_PROFILE),base -target=$(TARGET) build -o $2 -tags=mojo -ldflags="$(LDFLAGS)" -buildmode=c-shared $1
endef
# Runs Go tests with mojo libraries
