6799141: Build with --hash-style=both so that binaries can work on SuSE 10
Reviewed-by: tbell
--- a/hotspot/make/linux/makefiles/gcc.make Wed Jul 05 16:45:38 2017 +0200
+++ b/hotspot/make/linux/makefiles/gcc.make Sat Jan 31 17:19:42 2009 -0800
@@ -131,6 +131,14 @@
# Enable linker optimization
LFLAGS += -Xlinker -O1
+# If this is a --hash-style=gnu system, use --hash-style=both
+# The gnu .hash section won't work on some Linux systems like SuSE 10.
+_HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu')
+ifneq ($(_HAS_HASH_STYLE_GNU),)
+ LDFLAGS_HASH_STYLE = -Wl,--hash-style=both
+endif
+LFLAGS += $(LDFLAGS_HASH_STYLE)
+
# Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
MAPFLAG = -Xlinker --version-script=FILENAME