Adding upstream version 3.8.1.upstream/3.8.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 89 insertions, 0 deletions

diff --git a/cmake/CompilerWarnings.cmake b/cmake/CompilerWarnings.cmake
new file mode 100644
index 0000000..9092457
--- /dev/null
+++ b/cmake/CompilerWarnings.cmake
@@ -0,0 +1,89 @@
+CHECK_C_COMPILER_FLAG(-Wall SUPPORT_WALL)
+CHECK_C_COMPILER_FLAG(-Wextra SUPPORT_WEXTRA)
+CHECK_C_COMPILER_FLAG(-Wpointer-arith SUPPORT_WPOINTER)
+CHECK_C_COMPILER_FLAG(-Wno-unused-parameter SUPPORT_WPARAM)
+CHECK_C_COMPILER_FLAG(-Wno-unused-function SUPPORT_WFUNCTION)
+CHECK_C_COMPILER_FLAG(-Wno-strict-aliasing SUPPORT_WSTRICT_ALIASING)
+CHECK_C_COMPILER_FLAG(-Wunused-variable SUPPORT_WUNUSED_VAR)
+CHECK_C_COMPILER_FLAG(-Wno-pointer-sign SUPPORT_WPOINTER_SIGN)
+CHECK_C_COMPILER_FLAG(-Wno-sign-compare SUPPORT_WSIGN_COMPARE)
+CHECK_C_COMPILER_FLAG(-Wstrict-prototypes SUPPORT_WSTRICT_PROTOTYPES)
+CHECK_C_COMPILER_FLAG(-pedantic SUPPORT_PEDANTIC_FLAG)
+CHECK_C_COMPILER_FLAG(-Wno-unused-const-variable SUPPORT_WNO_UNUSED_CONST)
+CHECK_C_COMPILER_FLAG(-Wmissing-noreturn SUPPORT_WMISSING_NORETURN)
+CHECK_C_COMPILER_FLAG(-Wmissing-format-attribute SUPPORT_WMISSING_FORMAT_ATTRIBUTE)
+# GCC 6 specific
+CHECK_C_COMPILER_FLAG(-Wnull-dereference SUPPORT_WNULL_DEREFERENCE)
+CHECK_C_COMPILER_FLAG(-Wduplicated-cond SUPPORT_WDUPLICATED_COND)
+# GCC 7 specific
+CHECK_C_COMPILER_FLAG(-Wimplicit-fallthrough SUPPORT_WIMPLICIT_FALLTHROUGH)
+# Special check for deprecated declarations, as since OpenSSL 3.0 they
+# just poison output for no good reason
+CHECK_C_COMPILER_FLAG(-Wdeprecated-declarations SUPPORT_WDEPRECATED_DECLARATIONS)
+# Disable -Wsuggest-attribute=format: it is too noisy with FPs around fmt C++ library
+CHECK_C_COMPILER_FLAG(-Wsuggest-attribute SUPPORT_WSUGGEST_ATTRIBUTE)
+
+IF(SUPPORT_WEXTRA)
+    ADD_COMPILE_OPTIONS("-Wextra")
+ENDIF(SUPPORT_WEXTRA)
+IF(SUPPORT_WALL)
+    ADD_COMPILE_OPTIONS("-Wall")
+ENDIF(SUPPORT_WALL)
+IF(SUPPORT_WPOINTER)
+    ADD_COMPILE_OPTIONS("-Wpointer-arith")
+ENDIF(SUPPORT_WPOINTER)
+IF(SUPPORT_WPARAM)
+    ADD_COMPILE_OPTIONS("-Wno-unused-parameter")
+ENDIF(SUPPORT_WPARAM)
+IF(SUPPORT_WFUNCTION)
+    ADD_COMPILE_OPTIONS("-Wno-unused-function")
+ENDIF(SUPPORT_WFUNCTION)
+IF(SUPPORT_WUNUSED_VAR)
+    ADD_COMPILE_OPTIONS("-Wunused-variable")
+ENDIF(SUPPORT_WUNUSED_VAR)
+IF(SUPPORT_WPOINTER_SIGN)
+    # only valid for C
+    ADD_COMPILE_OPTIONS($<$<COMPILE_LANGUAGE:C>:-Wno-pointer-sign>)
+ENDIF(SUPPORT_WPOINTER_SIGN)
+IF(SUPPORT_WSTRICT_PROTOTYPES)
+    # only valid for C
+    ADD_COMPILE_OPTIONS($<$<COMPILE_LANGUAGE:C>:-Wstrict-prototypes>)
+ENDIF(SUPPORT_WSTRICT_PROTOTYPES)
+IF(SUPPORT_WSTRICT_ALIASING)
+    ADD_COMPILE_OPTIONS("-Wno-strict-aliasing")
+    ADD_COMPILE_OPTIONS("-fno-strict-aliasing")
+ENDIF(SUPPORT_WSTRICT_ALIASING)
+#IF(SUPPORT_PEDANTIC_FLAG)
+#	SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -pedantic")
+#ENDIF(SUPPORT_PEDANTIC_FLAG)
+IF(SUPPORT_WNULL_DEREFERENCE)
+    ADD_COMPILE_OPTIONS("-Wnull-dereference")
+ENDIF()
+IF(SUPPORT_WDUPLICATED_COND)
+    ADD_COMPILE_OPTIONS("-Wduplicated-cond")
+ENDIF()
+IF(SUPPORT_WLOGICAL_OP)
+    ADD_COMPILE_OPTIONS("-Wlogical-op")
+ENDIF()
+IF(SUPPORT_WNO_UNUSED_CONST)
+    ADD_COMPILE_OPTIONS("-Wno-unused-const-variable")
+ENDIF()
+IF(SUPPORT_WSIGN_COMPARE)
+    ADD_COMPILE_OPTIONS("-Wno-sign-compare")
+ENDIF()
+IF(SUPPORT_WIMPLICIT_FALLTHROUGH)
+    ADD_COMPILE_OPTIONS("-Wno-implicit-fallthrough")
+ENDIF(SUPPORT_WIMPLICIT_FALLTHROUGH)
+IF(SUPPORT_WMISSING_NORETURN)
+    ADD_COMPILE_OPTIONS("-Wmissing-noreturn")
+ENDIF(SUPPORT_WMISSING_NORETURN)
+IF(SUPPORT_WMISSING_FORMAT_ATTRIBUTE)
+    ADD_COMPILE_OPTIONS("-Wmissing-format-attribute")
+ENDIF(SUPPORT_WMISSING_FORMAT_ATTRIBUTE)
+IF(SUPPORT_WSUGGEST_ATTRIBUTE)
+    ADD_COMPILE_OPTIONS("-Wno-suggest-attribute=format")
+ENDIF()
+
+IF(SUPPORT_WDEPRECATED_DECLARATIONS)
+    ADD_COMPILE_OPTIONS("-Wno-deprecated-declarations")
+ENDIF()