Add optional GCC static analyzer support to CMake and Conan builds

.github/workflows/ubuntu.yml

@@ -155,6 +155,7 @@ jobs:
           -DCMAKE_BUILD_TYPE=${{ matrix.type }}
           -DENABLE_CCACHE=ON
           -DCMAKE_POLICY_VERSION_MINIMUM=3.5
+          -DENABLE_GCC_ANALYZER=ON
           -G Ninja
       run: |
         mkdir build install

cmake/celix_project/CelixProject.cmake

@@ -18,7 +18,7 @@
 option(ENABLE_ADDRESS_SANITIZER "Enabled building with address sanitizer. Note for gcc libasan must be installed," OFF)
 option(ENABLE_UNDEFINED_SANITIZER "Enabled building with undefined behavior sanitizer." OFF)
 option(ENABLE_THREAD_SANITIZER "Enabled building with thread sanitizer." OFF)
-
+option (ENABLE_GCC_ANALYZER "Enable building with GCC static analyzer." OFF )
 # Clear "Advanced" flag for sanitizer options
 mark_as_advanced(CLEAR ENABLE_ADDRESS_SANITIZER)
 mark_as_advanced(CLEAR ENABLE_UNDEFINED_SANITIZER)
@@ -73,6 +73,37 @@ elseif (ENABLE_THREAD_SANITIZER)
     set(CMAKE_CXX_FLAGS "-fsanitize=thread ${CMAKE_CXX_FLAGS}")
 endif()
 
+if (ENABLE_GCC_ANALYZER)  
+    if("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")  
+       set(ANALYZER_FLAGS   
+            "-fanalyzer"  
+            "-Wno-analyzer-too-complex"  
+            "-Wno-analyzer-double-fclose"  
+            "-Wno-analyzer-double-free"
+            "-Wno-analyzer-deref-before-check"  
+            "-Wno-analyzer-exposure-through-output-file"  
+            "-Wno-analyzer-file-leak"  
+            "-Wno-analyzer-free-of-non-heap"  
+            "-Wno-analyzer-malloc-leak"  
+            "-Wno-analyzer-possible-null-argument"  
+            "-Wno-analyzer-possible-null-dereference"  
+            "-Wno-analyzer-null-argument"  
+            "-Wno-analyzer-null-dereference"  
+            "-Wno-analyzer-stale-setjmp-buffer"  
+            "-Wno-analyzer-tainted-array-index"  
+            "-Wno-analyzer-unsafe-call-within-signal-handler"  
+            "-Wno-analyzer-use-after-free"  
+            "-Wno-analyzer-use-of-pointer-in-stale-stack-frame"
+            "-Wno-analyzer-use-of-uninitialized-value" 
+            "-Wno-analyzer-fd-leak" 
+        )  
+       add_compile_options(${ANALYZER_FLAGS})
+    else()  
+        message(WARNING "ENABLE_GCC_ANALYZER is only supported with GCC ")  
+    endif()  
+endif()
+
+
 MACRO(celix_subproject)
     set(ARGS "${ARGN}")
 

conanfile.py

@@ -94,6 +94,7 @@ class CelixConan(ConanFile):
         "framework_curlinit": True,
         "enable_ccache": False,
         "enable_deprecated_warnings": False,
+
     }
     options = {
         "celix_err_buffer_size": ["ANY"],
@@ -387,7 +388,8 @@ def generate(self):
             if "libcurl" in lst:
                 tc.cache_variables["BUILD_ERROR_INJECTOR_CURL"] = "ON"
         tc.cache_variables["CELIX_ERR_BUFFER_SIZE"] = str(self.options.celix_err_buffer_size)
-        # tc.cache_variables["CMAKE_PROJECT_Celix_INCLUDE"] = os.path.join(self.build_folder, "conan_paths.cmake")
+
+        #tc.cache_variables["CMAKE_PROJECT_Celix_INCLUDE"] = os.path.join(self.build_folder, "conan_paths.cmake")
         # the following is workaround for https://github.com/conan-io/conan/issues/7192
         if self.settings.os == "Linux":
             tc.cache_variables["CMAKE_EXE_LINKER_FLAGS"] = "-Wl,--unresolved-symbols=ignore-in-shared-libs"