From e5b1170a6aeae87adbfb66a6318b094ab32bf11c Mon Sep 17 00:00:00 2001
From: firewave <firewave@users.noreply.github.com>
Date: Fri, 22 May 2020 19:22:13 +0200
Subject: [PATCH] - added processorcount.cmake to get the available threads for
 the system via NPROC and NPROC_HALF - added iwyu.cmake and add an "run-iwyu"
 if the "iwyu_tool" executable is available - adjusted some includes based on
 include-what-you-use

---
 CHANGELOG            | 3 +++
 CMakeLists.txt       | 4 +++-
 common.h             | 2 +-
 iwyu.cmake           | 5 +++++
 mame_regtest.c       | 3 +--
 processorcount.cmake | 9 +++++++++
 6 files changed, 22 insertions(+), 4 deletions(-)
 create mode 100644 iwyu.cmake
 create mode 100644 processorcount.cmake

diff --git a/CHANGELOG b/CHANGELOG
index d022537..a253394 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -723,6 +723,9 @@
     - implemented ATTR_NORETURN for Visual Studio
     - added CMake option USE_VS_ANALYZE to enable Visual Studio Code Analysis
     - added CMake option USE_GCC_ANALYZER to enable GCC Static Analysis
+    - added processorcount.cmake to get the available threads for the system via NPROC and NPROC_HALF
+    - added iwyu.cmake and add an "run-iwyu" if the "iwyu_tool" executable is available
+    - adjusted some includes based on include-what-you-use
 
     create_report
     - fixed some clang-tidy warnings
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d00bf0b..db1787d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -123,4 +123,6 @@ if (WIN32)
     target_link_libraries(create_image_xml PRIVATE ws2_32)
 endif()
 
-include(clang_tidy.cmake)
\ No newline at end of file
+include(processorcount.cmake)
+include(clang_tidy.cmake)
+include(iwyu.cmake)
\ No newline at end of file
diff --git a/common.h b/common.h
index f8ff8f5..6b58da6 100644
--- a/common.h
+++ b/common.h
@@ -2,8 +2,8 @@
 #define COMMON_H_
 
 #include <stdlib.h>
-
 #include <sys/stat.h>
+#include <endian.h>
 
 #include <libxml/xpath.h>
 
diff --git a/iwyu.cmake b/iwyu.cmake
new file mode 100644
index 0000000..d85f821
--- /dev/null
+++ b/iwyu.cmake
@@ -0,0 +1,5 @@
+find_program(IWYU_TOOL NAMES iwyu_tool)
+message(STATUS "IWYU_TOOL=${IWYU_TOOL}")
+if (IWYU_TOOL)
+    add_custom_target(run-iwyu ${IWYU_TOOL} -p ${CMAKE_BINARY_DIR} -j ${NPROC_HALF})
+endif()
\ No newline at end of file
diff --git a/mame_regtest.c b/mame_regtest.c
index 8bcf3f5..6e76b2b 100644
--- a/mame_regtest.c
+++ b/mame_regtest.c
@@ -37,8 +37,7 @@
 #endif
 
 #ifndef WIN32
-#include <arpa/inet.h>
-#include <sys/wait.h>
+#include <netinet/in.h>
 #define USE_VALGRIND 1
 #else
 #define USE_VALGRIND 0
diff --git a/processorcount.cmake b/processorcount.cmake
new file mode 100644
index 0000000..67ca69c
--- /dev/null
+++ b/processorcount.cmake
@@ -0,0 +1,9 @@
+include(ProcessorCount)
+ProcessorCount(NPROC)
+if(NPROC EQUAL 0)
+    message(FATAL_ERROR "could not get processor count")
+endif()
+math(EXPR NPROC_HALF "${NPROC} / 2")
+
+message(STATUS "NPROC=${NPROC}")
+message(STATUS "NPROC_HALF=${NPROC_HALF}")
\ No newline at end of file