From 40b8e3a166d47da11cbff8a8cc4b04d02c7c2ea1 Mon Sep 17 00:00:00 2001
From: Leonardo Di Donato <leodidonato@gmail.com>
Date: Tue, 17 Dec 2019 16:20:38 +0000
Subject: [PATCH] build: libsinsp and libscap from external project

Some target inherited: we can run `make sinsp` and `make scap` from the falco build directory too

Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
---
 cmake/modules/sysdig.cmake | 54 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 cmake/modules/sysdig.cmake

diff --git a/cmake/modules/sysdig.cmake b/cmake/modules/sysdig.cmake
new file mode 100644
index 00000000..e4c146b0
--- /dev/null
+++ b/cmake/modules/sysdig.cmake
@@ -0,0 +1,54 @@
+#
+# Copyright (C) 2019 The Falco Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+#
+
+# The sysdig git reference (branch name, commit hash, or tag)
+# set(SYSDIG_VERSION "falco/${FALCO_VERSION_MAJOR}.${FALCO_VERSION_MINOR}.${FALCO_VERSION_PATCH}") # todo(leodido, fntlnz) > use this when FALCO_VERSION variable is ok (PR 872)
+set(SYSDIG_VERSION "falco/0.18.0")
+
+ExternalProject_Add(
+  sysdig
+  GIT_REPOSITORY https://github.com/draios/sysdig.git
+  GIT_TAG ${SYSDIG_VERSION}
+  CONFIGURE_COMMAND ""
+  BUILD_COMMAND ""
+  INSTALL_COMMAND ""
+  TEST_COMMAND "")
+
+# Fetch the sysdig source directory
+ExternalProject_Get_property(sysdig SOURCE_DIR)
+set(SYSDIG_SOURCE_DIR "${SOURCE_DIR}")
+unset(SOURCE_DIR)
+message(STATUS "Source directory of sysdig: ${SYSDIG_SOURCE_DIR}")
+
+#
+# ExternalProject_Get_property(sysdig BINARY_DIR)
+# set(SYSDIG_BINARY_DIR "${BINARY_DIR}")
+# unset(BINARY_DIR)
+# message(STATUS "Source directory of sysdig: ${SYSDIG_BINARY_DIR}")
+
+list(APPEND CMAKE_MODULE_PATH "${SYSDIG_SOURCE_DIR}/cmake/modules")
+include(FindMakedev)
+
+# jsoncpp
+set(JSONCPP_SRC "${SYSDIG_SOURCE_DIR}/userspace/libsinsp/third-party/jsoncpp")
+set(JSONCPP_INCLUDE "${JSONCPP_SRC}")
+set(JSONCPP_LIB_SRC "${JSONCPP_SRC}/jsoncpp.cpp")
+
+# Add driver directory
+add_subdirectory("${SYSDIG_SOURCE_DIR}/driver" "${PROJECT_BINARY_DIR}/driver")
+
+# Add libscap directory
+add_subdirectory("${SYSDIG_SOURCE_DIR}/userspace/libscap" "${PROJECT_BINARY_DIR}/userspace/libscap")
+
+# Add libsinsp directory
+add_subdirectory("${SYSDIG_SOURCE_DIR}/userspace/libsinsp" "${PROJECT_BINARY_DIR}/userspace/libsinsp")