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-rw-r--r--cpp/config/Make.rules.SunOS4
1 files changed, 3 insertions, 1 deletions
diff --git a/cpp/config/Make.rules.SunOS b/cpp/config/Make.rules.SunOS
index dd7e94199a9..179d0beeb60 100644
--- a/cpp/config/Make.rules.SunOS
+++ b/cpp/config/Make.rules.SunOS
@@ -17,7 +17,7 @@
# comment it out and define CXX=<desired-compiler> in your environment.
# If CXX is not defined anywhere, the default (from gmake) is g++.
#
-CXX = CC
+CXX ?= CC
# This variable is used to determine the machine type.
# For SUN UltraSPARC machines: sun4u
@@ -114,6 +114,8 @@ endif
ifeq ($(CXX),g++)
+ CC = gcc
+
ifeq ($(LP64),yes)
CXXARCHFLAGS = -m64
endif