[dpdk-dev] [PATCH 2/6] Makefiles: add clang to compiler if/else block

[Bruce Richardson <bruce.richardson@intel.com>]

The makefiles for a number of drivers conditionally disable certain warnings
depending on the compiler and version used. Add in clang to the list of
compiler options.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 lib/librte_pmd_i40e/Makefile    | 9 +++++++++
 lib/librte_pmd_ixgbe/Makefile   | 7 +++++++
 lib/librte_pmd_vmxnet3/Makefile | 7 +++++++
 3 files changed, 23 insertions(+)

diff --git a/lib/librte_pmd_i40e/Makefile b/lib/librte_pmd_i40e/Makefile
index 14bce71..4b31675 100644
--- a/lib/librte_pmd_i40e/Makefile
+++ b/lib/librte_pmd_i40e/Makefile
@@ -45,6 +45,15 @@ CFLAGS += $(WERROR_FLAGS)
 #
 ifeq ($(CC), icc)
 CFLAGS_BASE_DRIVER = -wd593
+else ifeq ($(CC), clang)
+CFLAGS_BASE_DRIVER += -Wno-sign-compare
+CFLAGS_BASE_DRIVER += -Wno-unused-value
+CFLAGS_BASE_DRIVER += -Wno-unused-parameter
+CFLAGS_BASE_DRIVER += -Wno-strict-aliasing
+CFLAGS_BASE_DRIVER += -Wno-format
+CFLAGS_BASE_DRIVER += -Wno-missing-field-initializers
+CFLAGS_BASE_DRIVER += -Wno-pointer-to-int-cast
+CFLAGS_BASE_DRIVER += -Wno-format-nonliteral
 else
 CFLAGS_BASE_DRIVER  = -Wno-unused-but-set-variable
 CFLAGS_BASE_DRIVER += -Wno-sign-compare
diff --git a/lib/librte_pmd_ixgbe/Makefile b/lib/librte_pmd_ixgbe/Makefile
index df47715..9278a17 100644
--- a/lib/librte_pmd_ixgbe/Makefile
+++ b/lib/librte_pmd_ixgbe/Makefile
@@ -44,6 +44,13 @@ ifeq ($(CC), icc)
 # CFLAGS for icc
 #
 CFLAGS_BASE_DRIVER = -wd174 -wd593 -wd869 -wd981 -wd2259
+else ifeq ($(CC), clang)
+#
+# CFLAGS for clang
+#
+CFLAGS_BASE_DRIVER = -Wno-unused-parameter -Wno-unused-value
+CFLAGS_BASE_DRIVER += -Wno-strict-aliasing -Wno-format-extra-args
+
 else
 #
 # CFLAGS for gcc
diff --git a/lib/librte_pmd_vmxnet3/Makefile b/lib/librte_pmd_vmxnet3/Makefile
index a44abe1..14726f9 100644
--- a/lib/librte_pmd_vmxnet3/Makefile
+++ b/lib/librte_pmd_vmxnet3/Makefile
@@ -44,6 +44,13 @@ ifeq ($(CC), icc)
 # CFLAGS for icc
 #
 CFLAGS_BASE_DRIVER = -wd174 -wd593 -wd869 -wd981 -wd2259
+else ifeq ($(CC), clang)
+#
+# CFLAGS for clang
+#
+CFLAGS_BASE_DRIVER = -Wno-unused-parameter -Wno-unused-value
+CFLAGS_BASE_DRIVER += -Wno-strict-aliasing -Wno-format-extra-args
+
 else
 #
 # CFLAGS for gcc
-- 
1.9.3