Turn on -Werror for CI pipelines

CMakeLists.txt

@@ -229,6 +229,15 @@ target_compile_options(
   $<$<CXX_COMPILER_ID:MSVC>:/W4 /WX /permissive->
 )
 
+if(CPPTRACE_WERROR_BUILD)
+  target_compile_options(
+    ${target_name}
+    PRIVATE
+    $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Werror>
+    $<$<CXX_COMPILER_ID:MSVC>:/WX>
+  )
+endif()
+
 # ---- Generate Build Info Headers ----
 
 # used in export header generated below

ci/build-in-all-configs.py

@@ -48,6 +48,7 @@ def build(matrix):
             f"-DCMAKE_CXX_COMPILER={matrix['compiler']}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
             f"-DCPPTRACE_USE_EXTERNAL_LIBDWARF=On",
+            f"-DCPPTRACE_WERROR_BUILD=On",
             f"-D{matrix['unwind']}=On",
             f"-D{matrix['symbols']}=On",
             f"-D{matrix['demangle']}=On",
@@ -63,6 +64,7 @@ def build(matrix):
             f"-DCMAKE_CXX_COMPILER={matrix['compiler']}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
             f"-DCPPTRACE_USE_EXTERNAL_LIBDWARF=On",
+            f"-DCPPTRACE_WERROR_BUILD=On",
             f"-D{matrix['unwind']}=On",
             f"-D{matrix['symbols']}=On",
             f"-D{matrix['demangle']}=On",
@@ -98,6 +100,7 @@ def build_full_or_auto(matrix):
             f"-DCMAKE_CXX_COMPILER={matrix['compiler']}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
             f"-DCPPTRACE_USE_EXTERNAL_LIBDWARF=On",
+            f"-DCPPTRACE_WERROR_BUILD=On",
             f"-DCPPTRACE_BACKTRACE_PATH=/usr/lib/gcc/x86_64-linux-gnu/10/include/backtrace.h",
         ]
         if matrix["config"] != "":
@@ -113,6 +116,7 @@ def build_full_or_auto(matrix):
             f"-DCMAKE_CXX_COMPILER={matrix['compiler']}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
             f"-DCPPTRACE_USE_EXTERNAL_LIBDWARF=On",
+            f"-DCPPTRACE_WERROR_BUILD=On",
         ]
         if matrix["config"] != "":
             args.append(f"{matrix['config']}")

ci/test-all-configs.py

@@ -155,6 +155,7 @@ def build(matrix):
             f"-DCMAKE_C_COMPILER={get_c_compiler_counterpart(matrix['compiler'])}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
             f"-DCPPTRACE_USE_EXTERNAL_LIBDWARF=On",
+            f"-DCPPTRACE_WERROR_BUILD=On",
             f"-D{matrix['unwind']}=On",
             f"-D{matrix['symbols']}=On",
             f"-D{matrix['demangle']}=On",
@@ -176,6 +177,7 @@ def build(matrix):
             f"-DCMAKE_C_COMPILER={get_c_compiler_counterpart(matrix['compiler'])}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
             f"-DCPPTRACE_USE_EXTERNAL_LIBDWARF=On",
+            f"-DCPPTRACE_WERROR_BUILD=On",
             f"-D{matrix['unwind']}=On",
             f"-D{matrix['symbols']}=On",
             f"-D{matrix['demangle']}=On",
@@ -202,6 +204,7 @@ def build_full_or_auto(matrix):
             f"-DCMAKE_C_COMPILER={get_c_compiler_counterpart(matrix['compiler'])}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
             f"-DCPPTRACE_USE_EXTERNAL_LIBDWARF=On",
+            f"-DCPPTRACE_WERROR_BUILD=On",
             f"-DCPPTRACE_BACKTRACE_PATH=/usr/lib/gcc/x86_64-linux-gnu/10/include/backtrace.h",
             "-DCPPTRACE_BUILD_TESTING=On",
             f"-DBUILD_SHARED_LIBS={matrix['shared']}"
@@ -220,6 +223,7 @@ def build_full_or_auto(matrix):
             f"-DCMAKE_C_COMPILER={get_c_compiler_counterpart(matrix['compiler'])}",
             f"-DCMAKE_CXX_STANDARD={matrix['std']}",
             f"-DCPPTRACE_USE_EXTERNAL_LIBDWARF=On",
+            f"-DCPPTRACE_WERROR_BUILD=On",
             "-DCPPTRACE_BUILD_TESTING=On",
             f"-DBUILD_SHARED_LIBS={matrix['shared']}"
         ]

cmake/OptionVariables.cmake

@@ -161,12 +161,14 @@ option(CPPTRACE_USE_EXTERNAL_LIBDWARF "" OFF)
 option(CPPTRACE_CONAN "" OFF)
 option(CPPTRACE_VCPKG "" OFF)
 option(CPPTRACE_SANITIZER_BUILD "" OFF)
+option(CPPTRACE_WERROR_BUILD "" OFF)
 
 mark_as_advanced(
   CPPTRACE_BACKTRACE_PATH
   CPPTRACE_ADDR2LINE_PATH
   CPPTRACE_ADDR2LINE_SEARCH_SYSTEM_PATH
   CPPTRACE_SANITIZER_BUILD
+  CPPTRACE_WERROR_BUILD
   CPPTRACE_CONAN
   CPPTRACE_VCPKG
 )