Update librdkafka patch

Author: shivammathur

patches/librdkafka.patch

@@ -1,40 +1,91 @@
- packaging/cmake/Modules/FindZSTD.cmake | 4 ++--
- src-cpp/CMakeLists.txt                 | 2 ++
- src/CMakeLists.txt                     | 2 ++
- 3 files changed, 6 insertions(+), 2 deletions(-)
+---
+ examples/idempotent_producer.c         | 11 +++++++++--
+ examples/transactions.c                |  8 ++++++--
+ packaging/cmake/Modules/FindZSTD.cmake |  3 +--
+ src-cpp/CMakeLists.txt                 |  1 +
+ 4 files changed, 17 insertions(+), 6 deletions(-)
 
+diff --git a/examples/idempotent_producer.c b/examples/idempotent_producer.c
+index bb34610c..a12e642f 100644
+--- a/examples/idempotent_producer.c
++++ b/examples/idempotent_producer.c
+@@ -43,10 +43,17 @@
+ #define _BSD_SOURCE     /* vsnprintf() */
+ #include <stdio.h>
+ #include <signal.h>
+-#include <unistd.h>
+ #include <string.h>
+ 
++#include "tinycthread.h"
+ 
++/* Platform specific includes */
++#if defined(_TTHREAD_POSIX_)
++  #include <unistd.h>
++#elif defined(_TTHREAD_WIN32_)
++  #include <process.h>
++  #include "rdwin32.h"
++#endif
+ /* Typical include path would be <librdkafka/rdkafka.h>, but this program
+  * is builtin from within the librdkafka source tree and thus differs. */
+ #include "rdkafka.h"
+@@ -318,7 +325,7 @@ int main(int argc, char **argv) {
+ 
+                 /* Short sleep to rate-limit this example.
+                  * A real application should not do this. */
+-                usleep(500 * 1000); /* 500ms */
++                rd_usleep(500 * 1000); /* 500ms */
+         }
+ 
+ 
+diff --git a/examples/transactions.c b/examples/transactions.c
+index 705e504e..3ef832ff 100644
+--- a/examples/transactions.c
++++ b/examples/transactions.c
+@@ -43,13 +43,17 @@
+ 
+ #include <stdio.h>
+ #include <signal.h>
+-#include <unistd.h>
+ #include <string.h>
+ #include <stdlib.h>
+ #include <time.h>
+ #include <ctype.h>
+ 
+-
++/* Platform specific includes */
++#if defined(_TTHREAD_POSIX_)
++  #include <unistd.h>
++#elif defined(_TTHREAD_WIN32_)
++  #include <process.h>
++#endif
+ /* Typical include path would be <librdkafka/rdkafka.h>, but this program
+  * is builtin from within the librdkafka source tree and thus differs. */
+ #include "rdkafka.h"
 diff --git a/packaging/cmake/Modules/FindZSTD.cmake b/packaging/cmake/Modules/FindZSTD.cmake
-index 7de137e0..851468fe 100644
+index 7de137e0..f5621302 100644
 --- a/packaging/cmake/Modules/FindZSTD.cmake
 +++ b/packaging/cmake/Modules/FindZSTD.cmake
-@@ -8,8 +8,8 @@
+@@ -8,8 +8,7 @@
 
  find_path(ZSTD_INCLUDE_DIR NAMES zstd.h)
 
 -find_library(ZSTD_LIBRARY_DEBUG NAMES zstdd zstd_staticd)
 -find_library(ZSTD_LIBRARY_RELEASE NAMES zstd zstd_static)
-+
 +find_library(ZSTD_LIBRARY_RELEASE NAMES libzstd_a)
 
  include(SelectLibraryConfigurations)
  SELECT_LIBRARY_CONFIGURATIONS(ZSTD)
 diff --git a/src-cpp/CMakeLists.txt b/src-cpp/CMakeLists.txt
-index a7b3e83e..a518ebcc 100644
+index 2b496d9f..a5e594fe 100644
 --- a/src-cpp/CMakeLists.txt
 +++ b/src-cpp/CMakeLists.txt
-@@ -97,3 +97,5 @@ install(
-     FILES "rdkafkacpp.h"
-     DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/librdkafka"
- )
-+
-+set_target_properties(rdkafka++ PROPERTIES OUTPUT_NAME librdkafka++)
-diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
-index c6c05e06..3b45590d 100644
---- a/src/CMakeLists.txt
-+++ b/src/CMakeLists.txt
-@@ -348,3 +348,5 @@ install(
-     FILES "rdkafka.h" "rdkafka_mock.h"
-     DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/librdkafka"
- )
-+
-+set_target_properties(rdkafka PROPERTIES OUTPUT_NAME librdkafka)
+@@ -54,6 +54,8 @@ if(NOT RDKAFKA_BUILD_STATIC)
+     FILES ${GENERATED_DIR}/rdkafka++.pc
+     DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig"
+   )
++  set_target_properties(rdkafka PROPERTIES OUTPUT_NAME librdkafka)
++  set_target_properties(rdkafka++ PROPERTIES OUTPUT_NAME librdkafka++)
+ else()
+   set(PKG_CONFIG_NAME "librdkafka++-static")
+   set(PKG_CONFIG_DESCRIPTION "The Apache Kafka C/C++ library (static)")
+