a patch to compile open62541 on WAGO-750-860

we cross-compile on a 2.6.32 Kernel with:

Reading specs from /usr/local/arm-uclinux-tools/lib/gcc/arm-uclinux-elf/3.4.3/specs
Configured with: /usr/local/src/uclinux-tools/gcc-3.4.3/configure --target=arm-uclinux-elf --prefix=/usr/local/arm-uclinux-tools --enable-languages=c,c++ --enable-multilib --enable-target-optspace --with-gnu-ld --disable-nls --disable-__cxa_atexit --disable-c99 --disable-clocale --disable-c-mbchar --disable-long-long --disable-checking --enable-threads=posix --disable-libstdcxx-pch --enable-cxx-flags=-D_ISOC99_SOURCE -D_BSD_SOURCE
Thread model: posix
gcc version 3.4.3

ports/WAGO-750-860.patch

@@ -0,0 +1,233 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 87489b3..76c4aa0 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -41,16 +41,14 @@ set(lib_sources src/ua_types.c
+ 
+ # compiler flags
+ if(CMAKE_COMPILER_IS_GNUCC OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
+-add_definitions(-std=c99 -pedantic -pipe -Wall -Wextra -Werror -Wformat
+-                -Wno-unused-parameter -Wno-unused-function -Wno-unused-label -Wpointer-arith -Wreturn-type -Wsign-compare -Wmultichar
+-                -Winit-self -Wuninitialized -Wno-deprecated -Wformat-security -ffunction-sections -fdata-sections)
++add_definitions(-std=c99 -fomit-frame-pointer -pipe -msoft-float -fno-builtin -DEMBED -fno-strict-aliasing)
+     if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
+         add_definitions(-Wformat-nonliteral)
+-        set (CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--gc-sections")
+-        set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections")
++        set (CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,-elf2flt -msoft-float")
++        set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}  -Wl,-elf2flt -msoft-float")
+     endif()
+ 	if(NOT WIN32)
+-	    add_definitions(-fstack-protector -fPIC -fvisibility=hidden)
++	   # add_definitions(-fPIC)
+ 	endif()
+ endif()
+ 
+@@ -115,10 +113,10 @@ else()
+ endif()
+ 
+ add_library(open62541-objects OBJECT ${lib_sources}) # static version that exports all symbols
+-add_library(open62541 SHARED $<TARGET_OBJECTS:open62541-objects>)
+-target_compile_definitions(open62541 INTERFACE
+-  $<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,SHARED_LIBRARY>:open62541_EXPORTS> # the UA_EXPORT macro is different when building the lib or using the lib
+-)
++add_library(open62541 $<TARGET_OBJECTS:open62541-objects>)
++#target_compile_definitions(open62541 INTERFACE
++#  $<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,SHARED_LIBRARY>:open62541_EXPORTS> # the UA_EXPORT macro is different when building the lib or using the lib
++#)
+ 
+ ## logging
+ set(UA_LOGLEVEL 400 CACHE STRING "Level at which logs shall be reported")
+@@ -137,7 +135,7 @@ endif()
+ configure_file("src/ua_config.h.in" "${PROJECT_BINARY_DIR}/src_generated/ua_config.h")
+ 
+ # download queue.h if required
+-if(WIN32)
++#if(WIN32)
+     if(NOT EXISTS "${PROJECT_BINARY_DIR}/src_generated/queue.h")
+         file(DOWNLOAD "http://openbsd.cs.toronto.edu/cgi-bin/cvsweb/~checkout~/src/sys/sys/queue.h" "${PROJECT_BINARY_DIR}/src_generated/queue.h" STATUS result)
+         list(GET result 0 download_ok)
+@@ -146,7 +144,7 @@ if(WIN32)
+             message(FATAL_ERROR "queue.h could not be downloaded")
+         endif()
+     endif()
+-endif(WIN32)
++#endif(WIN32)
+ 
+ # generate code from xml definitions
+ file(MAKE_DIRECTORY "${PROJECT_BINARY_DIR}/src_generated")
+diff --git a/ports/WAGO-750-860.patch b/ports/WAGO-750-860.patch
+index e88351d..e69de29 100644
+--- a/ports/WAGO-750-860.patch
++++ b/ports/WAGO-750-860.patch
+@@ -1,105 +0,0 @@
+-diff --git a/CMakeLists.txt b/CMakeLists.txt
+-index 87489b3..b3a045a 100644
+---- a/CMakeLists.txt
+-+++ b/CMakeLists.txt
+-@@ -41,16 +41,14 @@ set(lib_sources src/ua_types.c
+- 
+- # compiler flags
+- if(CMAKE_COMPILER_IS_GNUCC OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
+--add_definitions(-std=c99 -pedantic -pipe -Wall -Wextra -Werror -Wformat
+--                -Wno-unused-parameter -Wno-unused-function -Wno-unused-label -Wpointer-arith -Wreturn-type -Wsign-compare -Wmultichar
+--                -Winit-self -Wuninitialized -Wno-deprecated -Wformat-security -ffunction-sections -fdata-sections)
+-+add_definitions(-std=c99 -fomit-frame-pointer -pipe -msoft-float -fno-builtin -DEMBED -fno-strict-aliasing)
+-     if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
+-         add_definitions(-Wformat-nonliteral)
+--        set (CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--gc-sections")
+--        set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections")
+-+        set (CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,-elf2flt -msoft-float")
+-+        set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}  -Wl,-elf2flt -msoft-float")
+-     endif()
+- 	if(NOT WIN32)
+--	    add_definitions(-fstack-protector -fPIC -fvisibility=hidden)
+-+	   # add_definitions(-fPIC)
+- 	endif()
+- endif()
+- 
+-@@ -115,10 +113,10 @@ else()
+- endif()
+- 
+- add_library(open62541-objects OBJECT ${lib_sources}) # static version that exports all symbols
+--add_library(open62541 SHARED $<TARGET_OBJECTS:open62541-objects>)
+--target_compile_definitions(open62541 INTERFACE
+--  $<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,SHARED_LIBRARY>:open62541_EXPORTS> # the UA_EXPORT macro is different when building the lib or using the lib
+--)
+-+add_library(open62541 $<TARGET_OBJECTS:open62541-objects>)
+-+#target_compile_definitions(open62541 INTERFACE
+-+#  $<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,SHARED_LIBRARY>:open62541_EXPORTS> # the UA_EXPORT macro is different when building the lib or using the lib
+-+#)
+- 
+- ## logging
+- set(UA_LOGLEVEL 400 CACHE STRING "Level at which logs shall be reported")
+-diff --git a/src/ua_util.c b/src/ua_util.c
+-index 875e0b9..95dfe32 100644
+---- a/src/ua_util.c
+-+++ b/src/ua_util.c
+-@@ -2,7 +2,6 @@
+- 
+- /* the extern inline in a *.c-file is required for other compilation units to
+-    see the inline function. */
+--extern INLINE void UA_memcpy(void *dst, void const *src, UA_Int32 size);
+- 
+- #ifdef DEBUG
+- extern INLINE void _UA_free(void *ptr, char *pname, char *f, UA_Int32 l);
+-diff --git a/src/ua_util.h b/src/ua_util.h
+-index 4426129..4e5ba65 100644
+---- a/src/ua_util.h
+-+++ b/src/ua_util.h
+-@@ -11,7 +11,7 @@
+- #include <stddef.h> /* Needed for sys/queue.h */
+- 
+- #ifndef WIN32
+--#include <sys/queue.h>
+-+#include "queue.h"
+- #include <alloca.h>
+- #else
+- #include "queue.h"
+-@@ -50,36 +50,11 @@
+- #endif
+- 
+- /* Heap memory functions */
+--#ifdef DEBUG
+--#define UA_free(ptr) _UA_free(ptr, # ptr, __FILE__, __LINE__)
+--INLINE void _UA_free(void *ptr, char *pname, char *f, UA_Int32 l) {
+--    DBG_VERBOSE(printf("UA_free;%p;;%s;;%s;%d\n", ptr, pname, f, l); fflush(stdout));
+--    free(ptr); // checks if ptr != UA_NULL in the background
+--}
+--#else
+--#define UA_free(ptr) _UA_free(ptr)
+--INLINE void _UA_free(void *ptr) {
+--    free(ptr); // checks if ptr != UA_NULL in the background
+--}
+--#endif
+-+#define UA_free(ptr) free(ptr)
+- 
+--#ifdef DEBUG
+--#define UA_alloc(size) _UA_alloc(size, __FILE__, __LINE__) 
+--INLINE void * _UA_alloc(UA_Int32 size, char *file, UA_Int32 line) {
+--    DBG_VERBOSE(printf("UA_alloc - %d;%s;%d\n", size, file, line); fflush(stdout));
+--    return malloc(size);
+--}
+--#else
+--#define UA_alloc(size) _UA_alloc(size) 
+--INLINE void * _UA_alloc(UA_Int32 size) {
+--    return malloc(size);
+--}
+--#endif
+-+#define UA_alloc(size) malloc(size) 
+- 
+--INLINE void UA_memcpy(void *dst, void const *src, UA_Int32 size) {
+--    DBG_VERBOSE(printf("UA_memcpy - %p;%p;%d\n", dst, src, size));
+--    memcpy(dst, src, size);
+--}
+-+#define UA_memcpy memcpy
+- 
+- #ifdef WIN32
+- #define UA_alloca(size) _alloca(size)
+diff --git a/src/ua_util.c b/src/ua_util.c
+index 875e0b9..95dfe32 100644
+--- a/src/ua_util.c
++++ b/src/ua_util.c
+@@ -2,7 +2,6 @@
+ 
+ /* the extern inline in a *.c-file is required for other compilation units to
+    see the inline function. */
+-extern INLINE void UA_memcpy(void *dst, void const *src, UA_Int32 size);
+ 
+ #ifdef DEBUG
+ extern INLINE void _UA_free(void *ptr, char *pname, char *f, UA_Int32 l);
+diff --git a/src/ua_util.h b/src/ua_util.h
+index 4426129..4e5ba65 100644
+--- a/src/ua_util.h
++++ b/src/ua_util.h
+@@ -11,7 +11,7 @@
+ #include <stddef.h> /* Needed for sys/queue.h */
+ 
+ #ifndef WIN32
+-#include <sys/queue.h>
++#include "queue.h"
+ #include <alloca.h>
+ #else
+ #include "queue.h"
+@@ -50,36 +50,11 @@
+ #endif
+ 
+ /* Heap memory functions */
+-#ifdef DEBUG
+-#define UA_free(ptr) _UA_free(ptr, # ptr, __FILE__, __LINE__)
+-INLINE void _UA_free(void *ptr, char *pname, char *f, UA_Int32 l) {
+-    DBG_VERBOSE(printf("UA_free;%p;;%s;;%s;%d\n", ptr, pname, f, l); fflush(stdout));
+-    free(ptr); // checks if ptr != UA_NULL in the background
+-}
+-#else
+-#define UA_free(ptr) _UA_free(ptr)
+-INLINE void _UA_free(void *ptr) {
+-    free(ptr); // checks if ptr != UA_NULL in the background
+-}
+-#endif
++#define UA_free(ptr) free(ptr)
+ 
+-#ifdef DEBUG
+-#define UA_alloc(size) _UA_alloc(size, __FILE__, __LINE__) 
+-INLINE void * _UA_alloc(UA_Int32 size, char *file, UA_Int32 line) {
+-    DBG_VERBOSE(printf("UA_alloc - %d;%s;%d\n", size, file, line); fflush(stdout));
+-    return malloc(size);
+-}
+-#else
+-#define UA_alloc(size) _UA_alloc(size) 
+-INLINE void * _UA_alloc(UA_Int32 size) {
+-    return malloc(size);
+-}
+-#endif
++#define UA_alloc(size) malloc(size) 
+ 
+-INLINE void UA_memcpy(void *dst, void const *src, UA_Int32 size) {
+-    DBG_VERBOSE(printf("UA_memcpy - %p;%p;%d\n", dst, src, size));
+-    memcpy(dst, src, size);
+-}
++#define UA_memcpy memcpy
+ 
+ #ifdef WIN32
+ #define UA_alloca(size) _alloca(size)