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-rw-r--r--ChangeLog6
-rw-r--r--configure.in11
2 files changed, 17 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index f2e1be4102..07c94f2e38 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Tue Oct 18 16:36:40 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
+
+ * configure.in (DLDFLAGS): append --compress-debug-sections=zlib
+ if available, which reduces the size of LIBRUBY_SO by half or
+ more.
+
Mon Oct 17 16:20:37 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* win32/configure.bat: add option to enable/disable to install
diff --git a/configure.in b/configure.in
index 87da5d85f8..8dd3aa9e66 100644
--- a/configure.in
+++ b/configure.in
@@ -912,6 +912,13 @@ if test "$GCC" = yes; then
RUBY_APPEND_OPTION(LDFLAGS, -fstack-protector)
fi
+ RUBY_TRY_LDFLAGS(${linker_flag}--compress-debug-sections=zlib,
+ [compress_debug_sections=yes],
+ [compress_debug_sections=no])
+ if test "x$compress_debug_sections" = xyes; then
+ RUBY_APPEND_OPTION(DLDFLAGS, ${linker_flag}--compress-debug-sections=zlib)
+ fi
+
AS_CASE(["$target_os"],[mingw*], [
# On Windows platforms, system provided headers are VC++
# optimized. That is, C++ habits are often contaminated into
@@ -3893,6 +3900,10 @@ AS_CASE("$enable_shared", [yes], [
[mingw*|cygwin*|mswin*], [
LIBRUBY_RELATIVE=yes
])
+
+ if test "x$compress_debug_sections" = xyes; then
+ RUBY_APPEND_OPTION(LIBRUBY_DLDFLAGS, ${linker_flag}--compress-debug-sections=zlib)
+ fi
], [
LIBRUBYARG_SHARED=