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Fix attempt to use -mno-direct-extern-access with Clang

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Clang has the option, but spells it differently.

Fixes: QTBUG-105002
Pick-to: 6.4
Change-Id: I36b24183fbd041179f2ffffd170217e82ff6d14d
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Thiago Macieira 2022-07-15 12:38:18 -07:00
parent 552605b0fc
commit 78ef9e9d14
5 changed files with 18 additions and 6 deletions
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3
cmake/QtPlatformTargetHelpers.cmake
View File

@ -42,7 +42,8 @@ function(qt_internal_setup_public_platform_target)
target_link_options(Platform INTERFACE "${libc_link_option}")
endif()
if (QT_FEATURE_no_extern_direct_access)
target_compile_options(Platform INTERFACE "-mno-direct-extern-access")
target_compile_options(Platform INTERFACE "$<$<CXX_COMPILER_ID:GNU>:-mno-direct-extern-access>")
target_compile_options(Platform INTERFACE "$<$<CXX_COMPILER_ID:Clang>:-fno-direct-access-external-data>")
endif()
qt_set_msvc_cplusplus_options(Platform INTERFACE)

6
config.tests/direct_extern_access/CMakeLists.txt
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@ -5,5 +5,9 @@ project(direct_extern_access LANGUAGES CXX)
add_library(no_extern_access_lib SHARED lib.cpp)
add_executable(no_extern_access_main main.cpp)
target_compile_options(no_extern_access_lib PUBLIC "-mno-direct-extern-access")
target_compile_options(no_extern_access_lib PRIVATE "-Werror")
target_compile_options(no_extern_access_lib PUBLIC "$<$<CXX_COMPILER_ID:GNU>:-mno-direct-extern-access>")
target_compile_options(no_extern_access_lib PUBLIC "$<$<CXX_COMPILER_ID:Clang>:-fno-direct-access-external-data>")
target_link_libraries(no_extern_access_main no_extern_access_lib)

3
config.tests/direct_extern_access/lib.cpp
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@ -6,5 +6,6 @@
#define BUILD
#include "lib.h"
void *S::ptr = nullptr;
S::~S() { }
void S::f() { }
void *S::f() { return ptr; }

3
config.tests/direct_extern_access/lib.h
View File

@ -12,5 +12,6 @@
struct LIB_API S
{
virtual ~S();
virtual void f();
virtual void *f();
static void *ptr;
};

5
mkspecs/features/unix/mno_extern_direct_access.prf
View File

@ -1,2 +1,7 @@
clang {
QMAKE_CFLAGS += -fno-direct-access-external-data
QMAKE_CXXFLAGS += -fno-direct-access-external-data
} else {
QMAKE_CFLAGS += -mno-direct-extern-access
QMAKE_CXXFLAGS += -mno-direct-extern-access
}