[src/trunk]: src/sys/arch Ignore unused arguments for clang as we pass assemb...

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/dfb4ff5951a1
branches:  trunk
changeset: 343823:dfb4ff5951a1
user:      joerg <joerg%NetBSD.org@localhost>
date:      Sat Feb 27 19:26:13 2016 +0000

description:
Ignore unused arguments for clang as we pass assembler flags and the
like to the preprocessor-only mode. Conditionalize GCC flags that are
not known to clang accordingly.

diffstat:

 sys/arch/sparc/conf/Makefile.sparc     |  6 ++++--
 sys/arch/sparc/stand/Makefile.inc      |  4 ++--
 sys/arch/sparc64/conf/Makefile.sparc64 |  7 +++++--
 3 files changed, 11 insertions(+), 6 deletions(-)

diffs (71 lines):

diff -r 3cb155b6ee0b -r dfb4ff5951a1 sys/arch/sparc/conf/Makefile.sparc
--- a/sys/arch/sparc/conf/Makefile.sparc        Sat Feb 27 19:25:08 2016 +0000
+++ b/sys/arch/sparc/conf/Makefile.sparc        Sat Feb 27 19:26:13 2016 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.sparc,v 1.93 2015/08/24 14:04:25 uebayasi Exp $
+#      $NetBSD: Makefile.sparc,v 1.94 2016/02/27 19:26:13 joerg Exp $
 
 # Makefile for NetBSD
 #
@@ -33,10 +33,12 @@
 ##
 # work around GCC (egcs-2.91.66) bug which is liable
 # to use FPU registers as temporaries:
-CFLAGS+=       -mno-fpu
+CFLAGS+=       ${${ACTIVE_CC} == "gcc":? -mno-fpu :}
 CFLAGS+=       -Wa,-Av8
+CFLAGS+=       ${${ACTIVE_CC} == "clang":? -Qunused-arguments :}
 AFLAGS+=       -x assembler-with-cpp
 AFLAGS+=       -Wa,-Av8
+AFLAGS+=       ${${ACTIVE_CC} == "clang":? -Qunused-arguments :}
 
 ##
 ## (3) libkern and compat
diff -r 3cb155b6ee0b -r dfb4ff5951a1 sys/arch/sparc/stand/Makefile.inc
--- a/sys/arch/sparc/stand/Makefile.inc Sat Feb 27 19:25:08 2016 +0000
+++ b/sys/arch/sparc/stand/Makefile.inc Sat Feb 27 19:26:13 2016 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.inc,v 1.10 2005/12/11 12:19:08 christos Exp $
+#      $NetBSD: Makefile.inc,v 1.11 2016/02/27 19:26:14 joerg Exp $
 
 .ifndef __INCLUDED_STAND_MAKEFILE_INC
 __INCLUDED_STAND_MAKEFILE_INC=
@@ -6,7 +6,7 @@
 BINDIR=                /usr/mdec
 
 CPPFLAGS+=     -DSTANDALONE -I.
-CFLAGS+=       -msoft-float -ffreestanding
+CFLAGS+=       -ffreestanding ${${ACTIVE_CC} == "gcc":? -msoft-float :}
 
 .if ${MACHINE} == "sparc64"
 CPPFLAGS+=     -DSUN4U
diff -r 3cb155b6ee0b -r dfb4ff5951a1 sys/arch/sparc64/conf/Makefile.sparc64
--- a/sys/arch/sparc64/conf/Makefile.sparc64    Sat Feb 27 19:25:08 2016 +0000
+++ b/sys/arch/sparc64/conf/Makefile.sparc64    Sat Feb 27 19:26:13 2016 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.sparc64,v 1.80 2015/08/31 08:00:44 martin Exp $
+#      $NetBSD: Makefile.sparc64,v 1.81 2016/02/27 19:26:14 joerg Exp $
 
 #=========================================================================
 #
@@ -56,6 +56,7 @@
 .if ${LP64} == "yes"
 # 64-bit kernels
 CPPFLAGS+=     -D_LP64 -Wa,-Av9a
+CPPFLAGS+=     ${${ACTIVE_CC} == "clang":? -Qunused-arguments :}
 AFLAGS+=       -Wa,-Av9a
 .if defined(PROF)
 # Profiling is only supported in the medium low memory model.
@@ -69,9 +70,11 @@
 .else
 # 32-bit kernels
 CPPFLAGS+=     -m32 -Wa,-Av8plusa -mcpu=ultrasparc
+CPPFLAGS+=     ${${ACTIVE_CC} == "clang":? -Qunused-arguments :}
 AFLAGS+=       -Wa,-Av8plusa
+AFLAGS+=       ${${ACTIVE_CC} == "clang":? -Qunused-arguments :}
 .endif
-CFLAGS+=       -mno-fpu
+CFLAGS+=       ${${ACTIVE_CC} == "gcc":? -mno-fpu :}
 AFLAGS+=       -x assembler-with-cpp
 
 ##