Fix vanilla GCC compilation in macOS

base/daemon/SentryWriter.cpp

@@ -9,6 +9,7 @@
 #include <common/getMemoryAmount.h>
 #include <common/logger_useful.h>
 
+#include <Common/formatReadable.h>
 #include <Common/SymbolIndex.h>
 #include <Common/StackTrace.h>
 #include <Common/getNumberOfPhysicalCPUCores.h>

cmake/darwin/default_libs.cmake

@@ -1,11 +1,11 @@
 set (DEFAULT_LIBS "-nodefaultlibs")
 
-if (NOT COMPILER_CLANG)
-    message (FATAL_ERROR "Darwin build is supported only for Clang")
-endif ()
-
 set (DEFAULT_LIBS "${DEFAULT_LIBS} ${COVERAGE_OPTION} -lc -lm -lpthread -ldl")
 
+if (COMPILER_GCC)
+    set (DEFAULT_LIBS "${DEFAULT_LIBS} -lgcc_eh")
+endif ()
+
 message(STATUS "Default libraries: ${DEFAULT_LIBS}")
 
 set(CMAKE_CXX_STANDARD_LIBRARIES ${DEFAULT_LIBS})

cmake/find/amqpcpp.cmake

@@ -1,3 +1,8 @@
+if (OS_DARWIN AND COMPILER_GCC)
+    # AMQP-CPP requires libuv which cannot be built with GCC in macOS due to a bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93082
+    set (ENABLE_AMQPCPP OFF CACHE INTERNAL "")
+endif()
+
 option(ENABLE_AMQPCPP "Enalbe AMQP-CPP" ${ENABLE_LIBRARIES})
 
 if (NOT ENABLE_AMQPCPP)

cmake/find/cassandra.cmake

@@ -1,3 +1,8 @@
+if (OS_DARWIN AND COMPILER_GCC)
+    # Cassandra requires libuv which cannot be built with GCC in macOS due to a bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93082
+    set (ENABLE_CASSANDRA OFF CACHE INTERNAL "")
+endif()
+
 option(ENABLE_CASSANDRA "Enable Cassandra" ${ENABLE_LIBRARIES})
 
 if (NOT ENABLE_CASSANDRA)

contrib/boringssl-cmake/CMakeLists.txt

@@ -16,7 +16,7 @@ endif()
 
 if(CMAKE_COMPILER_IS_GNUCXX OR CLANG)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -fvisibility=hidden -fno-common -fno-exceptions -fno-rtti")
-  if(APPLE)
+  if(APPLE AND CLANG)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
   endif()
 

contrib/libcxx-cmake/CMakeLists.txt

@@ -56,6 +56,11 @@ if (USE_UNWIND)
     target_compile_definitions(cxx PUBLIC -DSTD_EXCEPTION_HAS_STACK_TRACE=1)
 endif ()
 
+# Override the deduced attribute support that causes error.
+if (OS_DARWIN AND COMPILER_GCC)
+    add_compile_definitions(_LIBCPP_INIT_PRIORITY_MAX)
+endif ()
+
 target_compile_options(cxx PUBLIC $<$<COMPILE_LANGUAGE:CXX>:-nostdinc++>)
 
 # Third party library may have substandard code.

src/CMakeLists.txt

@@ -508,5 +508,10 @@ if (ENABLE_TESTS AND USE_GTEST)
         clickhouse_common_zookeeper
         string_utils)
 
+    # For __udivmodti4 referenced in Core/tests/gtest_DecimalFunctions.cpp
+    if (OS_DARWIN AND COMPILER_GCC)
+        target_link_libraries(unit_tests_dbms PRIVATE gcc)
+    endif ()
+
     add_check(unit_tests_dbms)
 endif ()

src/Common/StackTrace.h

@@ -11,7 +11,9 @@
 
 #ifdef __APPLE__
 // ucontext is not available without _XOPEN_SOURCE
-#   pragma clang diagnostic ignored "-Wreserved-id-macro"
+#   ifdef __clang__
+#       pragma clang diagnostic ignored "-Wreserved-id-macro"
+#   endif
 #   define _XOPEN_SOURCE 700
 #endif
 #include <ucontext.h>