[dpdk-dev] [PATCH v1] mk: allow use of toolchain cflags

[David Hunt]

From: Vipin Varghese <vipin.varghese at intel.com>

with 'export TOOLCHAIN_CFLAGS' the values are
not inherited throuhout make system. The change
appends the user defined cflags.

Signed-off-by: Vipin Varghese <vipin.varghese at intel.com>
Signed-off-by: David Hunt <david.hunt at intel.com>
---
 mk/toolchain/clang/rte.vars.mk | 6 +++---
 mk/toolchain/gcc/rte.vars.mk   | 6 +++---
 mk/toolchain/icc/rte.vars.mk   | 6 +++---
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/mk/toolchain/clang/rte.vars.mk b/mk/toolchain/clang/rte.vars.mk
index dde922d..1b017db 100644
--- a/mk/toolchain/clang/rte.vars.mk
+++ b/mk/toolchain/clang/rte.vars.mk
@@ -59,9 +59,9 @@ HOSTCC    = clang
 endif
 HOSTAS    = as
 
-TOOLCHAIN_ASFLAGS =
-TOOLCHAIN_CFLAGS =
-TOOLCHAIN_LDFLAGS =
+TOOLCHAIN_ASFLAGS +=
+TOOLCHAIN_CFLAGS +=
+TOOLCHAIN_LDFLAGS +=
 
 WERROR_FLAGS := -W -Wall -Wstrict-prototypes -Wmissing-prototypes
 WERROR_FLAGS += -Wmissing-declarations -Wold-style-definition -Wpointer-arith
diff --git a/mk/toolchain/gcc/rte.vars.mk b/mk/toolchain/gcc/rte.vars.mk
index 3b907e2..e52da4d 100644
--- a/mk/toolchain/gcc/rte.vars.mk
+++ b/mk/toolchain/gcc/rte.vars.mk
@@ -59,9 +59,9 @@ HOSTCC    = gcc
 endif
 HOSTAS    = as
 
-TOOLCHAIN_ASFLAGS =
-TOOLCHAIN_CFLAGS =
-TOOLCHAIN_LDFLAGS =
+TOOLCHAIN_ASFLAGS +=
+TOOLCHAIN_CFLAGS +=
+TOOLCHAIN_LDFLAGS +=
 
 ifeq ($(CONFIG_RTE_LIBRTE_GCOV),y)
 TOOLCHAIN_CFLAGS += --coverage
diff --git a/mk/toolchain/icc/rte.vars.mk b/mk/toolchain/icc/rte.vars.mk
index 33a8ba7..70984b7 100644
--- a/mk/toolchain/icc/rte.vars.mk
+++ b/mk/toolchain/icc/rte.vars.mk
@@ -59,9 +59,9 @@ HOSTCC    = gcc
 endif
 HOSTAS    = as
 
-TOOLCHAIN_CFLAGS =
-TOOLCHAIN_LDFLAGS =
-TOOLCHAIN_ASFLAGS =
+TOOLCHAIN_CFLAGS +=
+TOOLCHAIN_LDFLAGS +=
+TOOLCHAIN_ASFLAGS +=
 
 # Turn off some ICC warnings -
 #   Remark #271   : trailing comma is nonstandard
-- 
2.7.4