[dpdk-dev] [PATCH v8 03/10] eal: add new rte_os.h header to build system

[Anand Rawat]

Added rte_os.h files to support OS specific functionality.
Updated build system to contain OS headers in the include
path.

Signed-off-by: Anand Rawat <anand.rawat at intel.com>
Reviewed-by: Pallavi Kadam <pallavi.kadam at intel.com>
---
 lib/librte_eal/freebsd/eal/Makefile         |  4 ++--
 lib/librte_eal/freebsd/eal/include/rte_os.h | 14 ++++++++++++++
 lib/librte_eal/linux/eal/Makefile           |  3 ++-
 lib/librte_eal/linux/eal/include/rte_os.h   | 14 ++++++++++++++
 lib/librte_eal/windows/eal/include/rte_os.h | 14 ++++++++++++++
 meson.build                                 |  6 ++++--
 mk/exec-env/freebsd/rte.vars.mk             |  5 ++++-
 mk/exec-env/linux/rte.vars.mk               |  5 ++++-
 8 files changed, 58 insertions(+), 7 deletions(-)
 create mode 100644 lib/librte_eal/freebsd/eal/include/rte_os.h
 create mode 100644 lib/librte_eal/linux/eal/include/rte_os.h
 create mode 100644 lib/librte_eal/windows/eal/include/rte_os.h

diff --git a/lib/librte_eal/freebsd/eal/Makefile b/lib/librte_eal/freebsd/eal/Makefile
index 55d476e5b..19854ee2c 100644
--- a/lib/librte_eal/freebsd/eal/Makefile
+++ b/lib/librte_eal/freebsd/eal/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2010-2015 Intel Corporation
+# Copyright(c) 2010-2019 Intel Corporation
 
 include $(RTE_SDK)/mk/rte.vars.mk
 
@@ -86,7 +86,7 @@ CFLAGS_eal_thread.o += -Wno-return-type
 CFLAGS_eal_hpet.o += -Wno-return-type
 endif
 
-INC :=  # no bsd specific headers
+INC := rte_os.h
 
 SYMLINK-$(CONFIG_RTE_EXEC_ENV_FREEBSD)-include := $(addprefix include/,$(INC))
 
diff --git a/lib/librte_eal/freebsd/eal/include/rte_os.h b/lib/librte_eal/freebsd/eal/include/rte_os.h
new file mode 100644
index 000000000..49cd4d4d9
--- /dev/null
+++ b/lib/librte_eal/freebsd/eal/include/rte_os.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2019 Intel Corporation
+ */
+
+#ifndef _RTE_OS_H_
+#define _RTE_OS_H_
+
+/**
+ * This is header should contain any function/macro definition
+ * which are not supported natively or named differently in the
+ * freebsd OS. Functions will be added in future releases.
+ */
+
+#endif /* _RTE_OS_H_ */
diff --git a/lib/librte_eal/linux/eal/Makefile b/lib/librte_eal/linux/eal/Makefile
index 2aa6e8c6a..6e5261152 100644
--- a/lib/librte_eal/linux/eal/Makefile
+++ b/lib/librte_eal/linux/eal/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2010-2016 Intel Corporation
+# Copyright(c) 2010-2019 Intel Corporation
 
 include $(RTE_SDK)/mk/rte.vars.mk
 
@@ -94,6 +94,7 @@ CFLAGS_eal_thread.o += -Wno-return-type
 endif
 
 INC := rte_kni_common.h
+INC += rte_os.h
 
 SYMLINK-$(CONFIG_RTE_EXEC_ENV_LINUX)-include := $(addprefix include/,$(INC))
 
diff --git a/lib/librte_eal/linux/eal/include/rte_os.h b/lib/librte_eal/linux/eal/include/rte_os.h
new file mode 100644
index 000000000..bc6ad14d2
--- /dev/null
+++ b/lib/librte_eal/linux/eal/include/rte_os.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2019 Intel Corporation
+ */
+
+#ifndef _RTE_OS_H_
+#define _RTE_OS_H_
+
+/**
+ * This is header should contain any function/macro definition
+ * which are not supported natively or named differently in the
+ * linux OS. Functions will be added in future releases.
+ */
+
+#endif /* _RTE_OS_H_ */
diff --git a/lib/librte_eal/windows/eal/include/rte_os.h b/lib/librte_eal/windows/eal/include/rte_os.h
new file mode 100644
index 000000000..421ed8e7f
--- /dev/null
+++ b/lib/librte_eal/windows/eal/include/rte_os.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2019 Intel Corporation
+ */
+
+#ifndef _RTE_OS_H_
+#define _RTE_OS_H_
+
+/**
+ * This is header should contain any function/macro definition
+ * which are not supported natively or named differently in the
+ * Windows OS. Functions will be added in future releases.
+ */
+
+#endif /* _RTE_OS_H_ */
diff --git a/meson.build b/meson.build
index 6061c4b1e..5a93c1f1a 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
+# Copyright(c) 2017-2019 Intel Corporation
 
 project('DPDK', 'C',
 	# Get version number from file.
@@ -24,7 +24,9 @@ dpdk_app_link_libraries = []
 # configure the build, and make sure configs here and in config folder are
 # able to be included in any file. We also store a global array of include dirs
 # for passing to pmdinfogen scripts
-global_inc = include_directories('.', 'config', 'lib/librte_eal/common/include')
+global_inc = include_directories('.', 'config',
+						'lib/librte_eal/common/include',
+						'lib/librte_eal/@0@/eal/include'.format(host_machine.system()))
 subdir('config')
 
 # build libs and drivers
diff --git a/mk/exec-env/freebsd/rte.vars.mk b/mk/exec-env/freebsd/rte.vars.mk
index c6be560b3..3608530d3 100644
--- a/mk/exec-env/freebsd/rte.vars.mk
+++ b/mk/exec-env/freebsd/rte.vars.mk
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2010-2014 Intel Corporation
+# Copyright(c) 2010-2019 Intel Corporation
 
 #
 # exec-env:
@@ -17,6 +17,9 @@ else
 EXECENV_CFLAGS  = -pthread
 endif
 
+# include in every library to build
+EXECENV_CFLAGS += -I$(RTE_SDK)/lib/librte_eal/freebsd/eal/include
+
 EXECENV_LDFLAGS =
 EXECENV_LDLIBS  = -lexecinfo
 EXECENV_ASFLAGS =
diff --git a/mk/exec-env/linux/rte.vars.mk b/mk/exec-env/linux/rte.vars.mk
index d04d0e29c..bea3f7657 100644
--- a/mk/exec-env/linux/rte.vars.mk
+++ b/mk/exec-env/linux/rte.vars.mk
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2010-2014 Intel Corporation
+# Copyright(c) 2010-2019 Intel Corporation
 
 #
 # exec-env:
@@ -17,6 +17,9 @@ else
 EXECENV_CFLAGS  = -pthread
 endif
 
+# include in every library to build
+EXECENV_CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linux/eal/include
+
 EXECENV_LDLIBS  =
 EXECENV_ASFLAGS =
 
-- 
2.17.1.windows.2