linux-kernel - [PATCH v2 1/7] kbuild: refactor host*

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Date:   Sat,  7 Jan 2023 18:18:14 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        rust-for-linux@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>
Subject: [PATCH v2 1/7] kbuild: refactor host*_flags

Remove _host*_flags.

This will change the -Wp,-MMD,$(depfile) order in the command line
but no functional change is intended.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

Changes in v2:
  - New patch

 scripts/Makefile.host | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index da133780b751..dea494ef55d5 100644
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -80,25 +80,21 @@ host-rust	:= $(addprefix $(obj)/,$(host-rust))
 #####
 # Handle options to gcc. Support building with separate output directory
 
-_hostc_flags   = $(KBUILD_HOSTCFLAGS)   $(HOST_EXTRACFLAGS)   \
-                 $(HOSTCFLAGS_$(target-stem).o)
-_hostcxx_flags = $(KBUILD_HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
-                 $(HOSTCXXFLAGS_$(target-stem).o)
-_hostrust_flags = $(KBUILD_HOSTRUSTFLAGS) $(HOST_EXTRARUSTFLAGS) \
-                  $(HOSTRUSTFLAGS_$(target-stem))
+hostc_flags    = $(KBUILD_HOSTCFLAGS) $(HOST_EXTRACFLAGS) \
+                 $(HOSTCFLAGS_$(target-stem).o) -Wp,-MMD,$(depfile)
+hostcxx_flags  = $(KBUILD_HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
+                  $(HOSTCXXFLAGS_$(target-stem).o) -Wp,-MMD,$(depfile)
+hostrust_flags = $(KBUILD_HOSTRUSTFLAGS) $(HOST_EXTRARUSTFLAGS) \
+                 $(HOSTRUSTFLAGS_$(target-stem))
 
 # $(objtree)/$(obj) for including generated headers from checkin source files
 ifeq ($(KBUILD_EXTMOD),)
 ifdef building_out_of_srctree
-_hostc_flags   += -I $(objtree)/$(obj)
-_hostcxx_flags += -I $(objtree)/$(obj)
+hostc_flags   += -I $(objtree)/$(obj)
+hostcxx_flags += -I $(objtree)/$(obj)
 endif
 endif
 
-hostc_flags    = -Wp,-MMD,$(depfile) $(_hostc_flags)
-hostcxx_flags  = -Wp,-MMD,$(depfile) $(_hostcxx_flags)
-hostrust_flags = $(_hostrust_flags)
-
 #####
 # Compile programs on the host
 
-- 
2.34.1