diff --git a/configure/os/CONFIG.solaris-sparc.solaris-sparc b/configure/os/CONFIG.solaris-sparc.solaris-sparc
index e5138793d..7cc8a3a67 100644
--- a/configure/os/CONFIG.solaris-sparc.solaris-sparc
+++ b/configure/os/CONFIG.solaris-sparc.solaris-sparc
@@ -53,11 +53,5 @@ STATIC_LDLIBS_NO=
 
 SHRLIB_LDFLAGS_YES = -G -h $@
 
-
-# gnu compiler used because Sun compiler output
-# includes headers from /opt/SUNWspro and does
-# not work for c++ headers without .h suffix.
-HDEPENDS_FLAGS_CMPLR = -MM
-HDEPENDS.c_CMPLR = gcc
-HDEPENDS.cpp_CMPLR = g++
+HDEPENDS_FLAGS_CMPLR = -xM1
 
diff --git a/configure/os/CONFIG.solaris-x86.solaris-x86 b/configure/os/CONFIG.solaris-x86.solaris-x86
index 19d2ece5f..2013eac51 100644
--- a/configure/os/CONFIG.solaris-x86.solaris-x86
+++ b/configure/os/CONFIG.solaris-x86.solaris-x86
@@ -54,10 +54,5 @@ STATIC_LDLIBS_NO=
 
 SHRLIB_LDFLAGS_YES = -G -h $@
 
-# gnu compiler used because Sun compiler output
-# includes headers from /opt/SUNWspro and does
-# not work for c++ headers without .h suffix.
-HDEPENDS_FLAGS_CMPLR = -MM
-HDEPENDS.c_CMPLR = gcc
-HDEPENDS.cpp_CMPLR = g++
+HDEPENDS_FLAGS_CMPLR = -xM1