cleaning up unittest build

CMakeLists.txt

@@ -153,11 +153,7 @@ if(FSFW_BUILD_TESTS)
       "${MSG_PREFIX} Building the FSFW unittests in addition to the static library"
   )
   # Check whether the user has already installed Catch2 first
-  # Suppress this check for rtems, because rtems is cross compiled
-  # on CI with preinstalled Catch which needs to be cross compiled
-  if(NOT FSFW_OSAL MATCHES "rtems")
-  find_package(Catch2 ${FSFW_CATCH2_LIB_MAJOR_VERSION})
-  endif()
+  find_package(Catch2 ${FSFW_CATCH2_LIB_MAJOR_VERSION} QUIET)
   # Not installed, so use FetchContent to download and provide Catch2
   if(NOT Catch2_FOUND)
     message(
@@ -221,11 +217,7 @@ message(
 )
 
 # Check whether the user has already installed ETL first
-# Suppress this check for rtems, because rtems is cross compiled
-# on CI with preinstalled etl which is not found when cross compiling
-if(NOT FSFW_OSAL MATCHES "rtems")
 find_package(${FSFW_ETL_LIB_NAME} ${FSFW_ETL_LIB_MAJOR_VERSION} QUIET)
-endif()
 # Not installed, so use FetchContent to download and provide etl
 if(NOT ${FSFW_ETL_LIB_NAME}_FOUND)
   message(

src/fsfw/osal/rtems/BinarySemaphore.cpp

@@ -2,6 +2,8 @@
 
 #include <rtems/rtems/sem.h>
 
+//TODO
+
 BinarySemaphore::BinarySemaphore() {}
 
 BinarySemaphore::~BinarySemaphore() {}

src/fsfw/osal/rtems/SemaphoreFactory.cpp

@@ -18,7 +18,9 @@ SemaphoreFactory* SemaphoreFactory::instance() {
 }
 
 SemaphoreIF* SemaphoreFactory::createBinarySemaphore(uint32_t argument) {
-  return new BinarySemaphore();
+  return nullptr;
+  //TODO
+  //return new BinarySemaphore();
 }
 
 SemaphoreIF* SemaphoreFactory::createCountingSemaphore(uint8_t maxCount, uint8_t initCount,

unittests/CatchRunner.cpp

@@ -72,7 +72,7 @@ void exit_qemu_failing(int error) {
 );
 }
 
-#include "testcfg/rtems/rtemsConfig.h"
+#include <rtemsConfig.h>
 
 void user_handle_fatal(Internal_errors_Source source, bool internal,  Internal_errors_t error_code){
   if ( source == RTEMS_FATAL_SOURCE_EXIT ) {

unittests/osal/CMakeLists.txt

@@ -1,2 +1,5 @@
-target_sources(${FSFW_TEST_TGT} PRIVATE testMq.cpp TestSemaphore.cpp
-                                        TestClock.cpp)
+target_sources(${FSFW_TEST_TGT} PRIVATE testMq.cpp TestClock.cpp)
+
+if(FSFW_OSAL MATCHES "linux" OR FSFW_OSAL MATCHES "freertos")
+target_sources(${FSFW_TEST_TGT} PRIVATE TestSemaphore.cpp)
+endif()

unittests/osal/TestSemaphore.cpp

@@ -4,8 +4,6 @@
 
 #include <catch2/catch_test_macros.hpp>
 
-// binary semaphores currently only supported on linux
-#if defined(FSFW_OSAL_LINUX) || defined(FSFW_OSAL_FREERTOS)
 
 TEST_CASE("Binary Semaphore Test", "[BinSemaphore]") {
   // perform set-up here
@@ -34,5 +32,3 @@ TEST_CASE("Binary Semaphore Test", "[BinSemaphore]") {
 TEST_CASE("Counting Semaphore Test", "[CountingSemaph]") {
   SECTION("Simple Test") {}
 }
-
-#endif

unittests/testcfg/rtems/cmake/Platform/a72_lp64_qemu.cmake

@@ -1,3 +1,3 @@
-add_compile_options("-mcpu=cortex-a72" "-I/opt/rtems/6/aarch64-rtems6/a72_lp64_qemu/lib/include" "-I${CMAKE_SOURCE_DIR}/unittests/testcfg/rtems/include")
+add_compile_options("-mcpu=cortex-a72" "-I/opt/rtems/6/aarch64-rtems6/a72_lp64_qemu/lib/include")
 
 add_link_options("-B/opt/rtems/6/aarch64-rtems6/a72_lp64_qemu/lib" "-qrtems")

unittests/testcfg/rtems/cmake/aarch64-rtems6-toolchain.cmake

@@ -1,4 +1,4 @@
-# the name of the target operating system
+## the name of the target operating system
 set(CMAKE_SYSTEM_NAME a72_lp64_qemu)
 
 set(CMAKE_SYSTEM_PROCESSOR a72)
@@ -7,19 +7,30 @@ set(CMAKE_SYSTEM_PROCESSOR a72)
 set(CMAKE_C_COMPILER   aarch64-rtems6-gcc)
 set(CMAKE_CXX_COMPILER aarch64-rtems6-g++)
 
+# built in tests fail
 set(CMAKE_C_COMPILER_WORKS 1)
 set(CMAKE_CXX_COMPILER_WORKS 1)
 
 # adjust the default behavior of the FIND_XXX() commands:
 # search programs in the host environment
-set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
 
 # search headers and libraries in the target environment
 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+# ignore host installed libraries
+# makes find_package() ignore the <package>Config.cmake files
+set(CMAKE_IGNORE_PATH /usr/local)
+
 
 # supress errors
 add_compile_definitions("__STDC_VERSION__")
 
+# make newlib behave like glib with an intercepted cmath
+add_compile_options("-I${CMAKE_SOURCE_DIR}/unittests/testcfg/rtems/include")
+
+# we supply an a72_lp64_qemu.cmake there
 list(APPEND CMAKE_MODULE_PATH
      "${CMAKE_CURRENT_SOURCE_DIR}/unittests/testcfg/rtems/cmake")