[tor-commits] [tor/master] Use dead_strip to reduce binary size on OS X

[nickm@xxxxxxxxxxxxxx]

commit 1f5c5624f48b078e8c421874bf0015e84bda57f7
Author: Sebastian Hahn <sebastian@xxxxxxxxxxxxxx>
Date:   Fri Jan 20 23:13:35 2012 +0100

    Use dead_strip to reduce binary size on OS X
    
    This option seems to be supported all the way back to at least 10.4, so
    enabling it for OS X in general should be fine. If not, someone will
    yell.
    
    With no libs statically linked, that's a 3% win in binary size, with
    just libevent linked statically, this gives us an advantage of 5% in
    terms of binary size, and with libevent and openssl statically linked,
    we gain over 18% or over 500KB.
    
    Implements ticket 2915.
---
 changes/osx_deadstrip |    5 +++++
 configure.in          |    5 +++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/changes/osx_deadstrip b/changes/osx_deadstrip
new file mode 100644
index 0000000..f16eca4
--- /dev/null
+++ b/changes/osx_deadstrip
@@ -0,0 +1,5 @@
+  o Minor features:
+    - Use the dead_strip option when building Tor on OS X. This reduces binary
+      size by almost 19% when linking openssl and libevent statically, which
+      we do for TBB.
+
diff --git a/configure.in b/configure.in
index f4a8e1e..de726c7 100644
--- a/configure.in
+++ b/configure.in
@@ -1160,12 +1160,13 @@ else
 fi
 
 # OS X Lion started deprecating the system openssl. Let's just disable
-# all deprecation warnings on OS X.
+# all deprecation warnings on OS X. Also, to potentially make the binary
+# a little smaller, let's enable dead_strip.
 case "$host_os" in
 
  darwin*)
     CFLAGS="$CFLAGS -Wno-deprecated-declarations"
-    ;;
+    LDFLAGS="$LDFLAGS -dead_strip" ;;
 esac
 
 # Add some more warnings which we use in development but not in the



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