From d5a3ad5b64359b8f94992c2879dd890df125b9a8 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Mon, 25 Feb 2019 18:50:15 +0300
Subject: [PATCH] 3rdparty: update libjpeg-turbo/CMakeLists.txt

---
 3rdparty/libjpeg-turbo/CMakeLists.txt  | 44 ++++++++++++++++++++------
 3rdparty/libjpeg-turbo/jconfigint.h.in | 12 +++++--
 2 files changed, 45 insertions(+), 11 deletions(-)

diff --git a/3rdparty/libjpeg-turbo/CMakeLists.txt b/3rdparty/libjpeg-turbo/CMakeLists.txt
index d97cfb8250..cf1f77aaa3 100644
--- a/3rdparty/libjpeg-turbo/CMakeLists.txt
+++ b/3rdparty/libjpeg-turbo/CMakeLists.txt
@@ -18,16 +18,38 @@ message(STATUS "libjpeg-turbo: VERSION = ${VERSION}, BUILD = ${BUILD}")
 option(WITH_ARITH_ENC "Include arithmetic encoding support when emulating the libjpeg v6b API/ABI" TRUE)
 option(WITH_ARITH_DEC "Include arithmetic decoding support when emulating the libjpeg v6b API/ABI" TRUE)
 
-if(NOT DEFINED SIZEOF_SIZE_T)
-  if(IOS)  # Workaround iOS issues
-    set(SIZEOF_SIZE_T "${CMAKE_SIZEOF_VOID_P}")
-    message(STATUS "SIZEOF_SIZE_T = ${SIZEOF_SIZE_T}")
-  else()
-    include(CheckTypeSize)
-    CHECK_TYPE_SIZE("size_t" SIZEOF_SIZE_T)
-  endif()
+include(CheckCSourceCompiles)
+include(CheckIncludeFiles)
+include(CheckTypeSize)
+
+check_type_size("size_t" SIZEOF_SIZE_T)
+check_type_size("unsigned long" SIZEOF_UNSIGNED_LONG)
+
+if(SIZEOF_SIZE_T EQUAL SIZEOF_UNSIGNED_LONG)
+  check_c_source_compiles("int main(int argc, char **argv) { unsigned long a = argc;  return __builtin_ctzl(a); }"
+    HAVE_BUILTIN_CTZL)
+endif()
+if(MSVC)
+  check_include_files("intrin.h" HAVE_INTRIN_H)
 endif()
 
+if(UNIX)
+  # Check for headers
+  check_include_files(locale.h HAVE_LOCALE_H)
+  check_include_files(stddef.h HAVE_STDDEF_H)
+  check_include_files(stdlib.h HAVE_STDLIB_H)
+  check_include_files(sys/types.h NEED_SYS_TYPES_H)
+
+  # Other predefines
+  # undef NEED_BSD_STRINGS
+  ocv_update(HAVE_UNSIGNED_CHAR 1)
+  ocv_update(HAVE_UNSIGNED_SHORT 1)
+  # undef INCOMPLETE_TYPES_BROKEN
+  ocv_update(RIGHT_SHIFT_IS_UNSIGNED 0)
+  ocv_update(__CHAR_UNSIGNED__ 0)
+endif()
+
+
 set(BITS_IN_JSAMPLE 8)
 
 if(WITH_ARITH_ENC)
@@ -47,7 +69,11 @@ if(MSVC)
   add_definitions(-W3 -wd4996 -wd4018)
 endif()
 
-configure_file(jconfig.h.in jconfig.h)
+if(WIN32)
+  configure_file(jconfig.h.win.in jconfig.h)
+else()
+  configure_file(jconfig.h.in jconfig.h)
+endif()
 configure_file(jconfigint.h.in jconfigint.h)
 
 include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/src)
diff --git a/3rdparty/libjpeg-turbo/jconfigint.h.in b/3rdparty/libjpeg-turbo/jconfigint.h.in
index 55df053676..7f6a285523 100644
--- a/3rdparty/libjpeg-turbo/jconfigint.h.in
+++ b/3rdparty/libjpeg-turbo/jconfigint.h.in
@@ -5,7 +5,15 @@
 #undef inline
 
 /* How to obtain function inlining. */
-#define INLINE  @INLINE@
+#ifndef INLINE
+#if defined(__GNUC__)
+#define INLINE inline __attribute__((always_inline))
+#elif defined(_MSC_VER)
+#define INLINE __forceinline
+#else
+#define INLINE
+#endif
+#endif
 
 /* Define to the full name of this package. */
 #define PACKAGE_NAME  "@CMAKE_PROJECT_NAME@"
@@ -14,7 +22,7 @@
 #define VERSION  "@VERSION@"
 
 /* The size of `size_t', as computed by sizeof. */
-#define SIZEOF_SIZE_T  @SIZE_T@
+#define SIZEOF_SIZE_T  @SIZEOF_SIZE_T@
 
 /* Define if your compiler has __builtin_ctzl() and sizeof(unsigned long) == sizeof(size_t). */
 #cmakedefine HAVE_BUILTIN_CTZL