diff --git a/configure/os/CONFIG.Common.solaris-sparc64 b/configure/os/CONFIG.Common.solaris-sparc64
index ca95fd374..1c0293d4c 100644
--- a/configure/os/CONFIG.Common.solaris-sparc64
+++ b/configure/os/CONFIG.Common.solaris-sparc64
@@ -10,6 +10,5 @@
 # Include definitions common to all solaris-sparc target archs
 include $(CONFIG)/os/CONFIG.Common.solaris-sparc
 
-ARCH_DEP_CFLAGS +=   -xarch=generic64
-ARCH_DEP_CXXFLAGS += -xarch=generic64
-ARCH_DEP_LDFLAGS +=  -xarch=generic64
+ARCH_DEP_CFLAGS +=   -m64
+ARCH_DEP_LDFLAGS +=  -m64
diff --git a/configure/os/CONFIG.Common.solaris-x86_64 b/configure/os/CONFIG.Common.solaris-x86_64
index cb3eb08a1..3cced03a3 100644
--- a/configure/os/CONFIG.Common.solaris-x86_64
+++ b/configure/os/CONFIG.Common.solaris-x86_64
@@ -10,6 +10,5 @@
 # Include definitions common to all solaris-x86 target archs
 include $(CONFIG)/os/CONFIG.Common.solaris-x86
 
-ARCH_DEP_CFLAGS +=   -xarch=generic64
-ARCH_DEP_CXXFLAGS += -xarch=generic64
-ARCH_DEP_LDFLAGS +=  -xarch=generic64
+ARCH_DEP_CFLAGS +=   -m64
+ARCH_DEP_LDFLAGS +=  -m64