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From: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2] Pass CC option when building kernel modules
Date: Thu,  9 Oct 2014 11:08:33 +0100
Message-ID: <1412849313-5958-1-git-send-email-sergio.gonzalez.monroy@intel.com> (raw)
In-Reply-To: <1412611022-8278-1-git-send-email-sergio.gonzalez.monroy@intel.com>

At least on kernels 3.15 or newer, wrong compiler flags are set when building
kernel modules.

v2:
Remove unnecessary reset of CC when being included from the kernel.

Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
---
 mk/rte.module.mk               | 2 +-
 mk/toolchain/clang/rte.vars.mk | 5 +----
 mk/toolchain/gcc/rte.vars.mk   | 1 +
 mk/toolchain/icc/rte.vars.mk   | 5 +----
 4 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/mk/rte.module.mk b/mk/rte.module.mk
index c4ca3fd..41c0d0f 100644
--- a/mk/rte.module.mk
+++ b/mk/rte.module.mk
@@ -78,7 +78,7 @@ build: _postbuild
 $(MODULE).ko: $(SRCS_LINKS)
 	@if [ ! -f $(notdir Makefile) ]; then ln -nfs $(SRCDIR)/Makefile . ; fi
 	@$(MAKE) -C $(RTE_KERNELDIR) M=$(CURDIR) O=$(RTE_KERNELDIR) \
-		CROSS_COMPILE=$(CROSS)
+		CC=$(KERNELCC) CROSS_COMPILE=$(CROSS)
 
 # install module in $(RTE_OUTPUT)/kmod
 $(RTE_OUTPUT)/kmod/$(MODULE).ko: $(MODULE).ko
diff --git a/mk/toolchain/clang/rte.vars.mk b/mk/toolchain/clang/rte.vars.mk
index ee4f451..40cb389 100644
--- a/mk/toolchain/clang/rte.vars.mk
+++ b/mk/toolchain/clang/rte.vars.mk
@@ -38,11 +38,8 @@
 #   - define TOOLCHAIN_ASFLAGS variable (overriden by cmdline value)
 #
 
-ifeq ($(KERNELRELEASE),)
 CC        = $(CROSS)clang
-else
-CC        = $(CROSS)gcc
-endif
+KERNELCC  = $(CROSS)gcc
 CPP       = $(CROSS)cpp
 # for now, we don't use as but nasm.
 # AS      = $(CROSS)as
diff --git a/mk/toolchain/gcc/rte.vars.mk b/mk/toolchain/gcc/rte.vars.mk
index 262ebdf..993eb26 100644
--- a/mk/toolchain/gcc/rte.vars.mk
+++ b/mk/toolchain/gcc/rte.vars.mk
@@ -39,6 +39,7 @@
 #
 
 CC        = $(CROSS)gcc
+KERNELCC  = $(CROSS)gcc
 CPP       = $(CROSS)cpp
 # for now, we don't use as but nasm.
 # AS      = $(CROSS)as
diff --git a/mk/toolchain/icc/rte.vars.mk b/mk/toolchain/icc/rte.vars.mk
index 612370d..f03a2a2 100644
--- a/mk/toolchain/icc/rte.vars.mk
+++ b/mk/toolchain/icc/rte.vars.mk
@@ -41,11 +41,8 @@
 # Warning: we do not use CROSS environment variable as icc is mainly a
 # x86->x86 compiler
 
-ifeq ($(KERNELRELEASE),)
 CC        = icc
-else
-CC        = gcc
-endif
+KERNELCC  = gcc
 CPP       = cpp
 AS        = nasm
 AR        = ar
-- 
1.9.3

  parent reply	other threads:[~2014-10-09 10:01 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-06 15:57 [dpdk-dev] [PATCH] " Sergio Gonzalez Monroy
2014-10-06 16:12 ` Bruce Richardson
2014-10-08 17:15 ` Thomas Monjalon
2014-10-09  8:10   ` Bruce Richardson
2014-10-09 10:04     ` Sergio Gonzalez Monroy
2014-10-09 10:08 ` Sergio Gonzalez Monroy [this message]
2014-10-13 16:08   ` [dpdk-dev] [PATCH v2] " De Lara Guarch, Pablo
2014-10-15 14:03     ` Thomas Monjalon

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