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-rw-r--r--src/corelib/global/qcompilerdetection.h5
-rw-r--r--src/corelib/global/qglobal.cpp41
-rw-r--r--src/corelib/global/qglobal.h7
-rw-r--r--src/corelib/global/qprocessordetection.h9
4 files changed, 50 insertions, 12 deletions
diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h
index 173ada89de..c221115e8f 100644
--- a/src/corelib/global/qcompilerdetection.h
+++ b/src/corelib/global/qcompilerdetection.h
@@ -1246,6 +1246,11 @@
#else
# define QT_HAS_INCLUDE_NEXT(x) 0
#endif
+#ifdef __has_feature
+# define QT_HAS_FEATURE(x) __has_feature(x)
+#else
+# define QT_HAS_FEATURE(x) 0
+#endif
/*
* Warning/diagnostic handling
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index ea9d207177..c2c9ea4e67 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -86,6 +86,12 @@
# include <sys/systeminfo.h>
#endif
+#if defined(Q_OS_DARWIN)
+# include <mach/machine.h>
+# include <sys/sysctl.h>
+# include <sys/types.h>
+#endif
+
#ifdef Q_OS_UNIX
#include <sys/utsname.h>
#include <private/qcore_unix_p.h>
@@ -2484,6 +2490,20 @@ QString QSysInfo::currentCpuArchitecture()
case PROCESSOR_ARCHITECTURE_IA64:
return QStringLiteral("ia64");
}
+#elif defined(Q_OS_DARWIN)
+ cpu_type_t type;
+ size_t size = sizeof(type);
+ sysctlbyname("hw.cputype", &type, &size, NULL, 0);
+ switch (type) {
+ case CPU_TYPE_X86:
+ return QStringLiteral("i386");
+ case CPU_TYPE_X86_64:
+ return QStringLiteral("x86_64");
+ case CPU_TYPE_ARM:
+ return QStringLiteral("arm");
+ case CPU_TYPE_ARM64:
+ return QStringLiteral("arm64");
+ }
#elif defined(Q_OS_UNIX)
long ret = -1;
struct utsname u;
@@ -3306,20 +3326,26 @@ bool qEnvironmentVariableIsEmpty(const char *varName) Q_DECL_NOEXCEPT
Equivalent to
\code
- qgetenv(varName).toInt()
+ qgetenv(varName).toInt(ok, 0)
\endcode
except that it's much faster, and can't throw exceptions.
+ \note there's a limit on the length of the value, which is sufficient for
+ all valid values of int, not counting leading zeroes or spaces. Values that
+ are too long will either be truncated or this function will set \a ok to \c
+ false.
+
\sa qgetenv(), qEnvironmentVariableIsSet()
*/
int qEnvironmentVariableIntValue(const char *varName, bool *ok) Q_DECL_NOEXCEPT
{
- QMutexLocker locker(&environmentMutex);
-#if defined(_MSC_VER) && _MSC_VER >= 1400
- // we provide a buffer that can hold any int value:
static const int NumBinaryDigitsPerOctalDigit = 3;
static const int MaxDigitsForOctalInt =
(std::numeric_limits<uint>::digits + NumBinaryDigitsPerOctalDigit - 1) / NumBinaryDigitsPerOctalDigit;
+
+ QMutexLocker locker(&environmentMutex);
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+ // we provide a buffer that can hold any int value:
char buffer[MaxDigitsForOctalInt + 2]; // +1 for NUL +1 for optional '-'
size_t dummy;
if (getenv_s(&dummy, buffer, sizeof buffer, varName) != 0) {
@@ -3329,15 +3355,16 @@ int qEnvironmentVariableIntValue(const char *varName, bool *ok) Q_DECL_NOEXCEPT
}
#else
const char * const buffer = ::getenv(varName);
- if (!buffer || !*buffer) {
+ if (!buffer || strlen(buffer) > MaxDigitsForOctalInt + 2) {
if (ok)
*ok = false;
return 0;
}
#endif
bool ok_ = true;
- const qlonglong value = qstrtoll(buffer, Q_NULLPTR, 0, &ok_);
- if (int(value) != value) { // this is the check in QByteArray::toInt(), keep it in sync
+ const char *endptr;
+ const qlonglong value = qstrtoll(buffer, &endptr, 0, &ok_);
+ if (int(value) != value || *endptr != '\0') { // this is the check in QByteArray::toInt(), keep it in sync
if (ok)
*ok = false;
return 0;
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index cfc6ef8b16..0628b524fb 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -647,7 +647,12 @@ inline void qt_noop(void) {}
*/
#if !defined(QT_NO_EXCEPTIONS)
-# if defined(QT_BOOTSTRAPPED) || (defined(Q_CC_GNU) && !defined (__EXCEPTIONS) && !defined(Q_MOC_RUN))
+# if !defined(Q_MOC_RUN)
+# if (defined(Q_CC_CLANG) && !defined(Q_CC_INTEL) && !QT_HAS_FEATURE(cxx_exceptions)) || \
+ (defined(Q_CC_GNU) && !defined(__EXCEPTIONS))
+# define QT_NO_EXCEPTIONS
+# endif
+# elif defined(QT_BOOTSTRAPPED)
# define QT_NO_EXCEPTIONS
# endif
#endif
diff --git a/src/corelib/global/qprocessordetection.h b/src/corelib/global/qprocessordetection.h
index ed11e013f2..0b260d01e3 100644
--- a/src/corelib/global/qprocessordetection.h
+++ b/src/corelib/global/qprocessordetection.h
@@ -94,8 +94,8 @@
ARM is bi-endian, detect using __ARMEL__ or __ARMEB__, falling back to
auto-detection implemented below.
*/
-#if defined(__arm__) || defined(__TARGET_ARCH_ARM) || defined(_M_ARM) || defined(__aarch64__)
-# if defined(__aarch64__)
+#if defined(__arm__) || defined(__TARGET_ARCH_ARM) || defined(_M_ARM) || defined(__aarch64__) || defined(__ARM64__)
+# if defined(__aarch64__) || defined(__ARM64__)
# define Q_PROCESSOR_ARM_64
# define Q_PROCESSOR_WORDSIZE 8
# else
@@ -109,7 +109,8 @@
# define Q_PROCESSOR_ARM _M_ARM
# elif defined(__ARM64_ARCH_8__) \
|| defined(__aarch64__) \
- || defined(__CORE_CORTEXAV8__) // GHS-specific for INTEGRITY
+ || defined(__ARMv8__) \
+ || defined(__ARMv8_A__)
# define Q_PROCESSOR_ARM 8
# elif defined(__ARM_ARCH_7__) \
|| defined(__ARM_ARCH_7A__) \
@@ -117,7 +118,7 @@
|| defined(__ARM_ARCH_7M__) \
|| defined(__ARM_ARCH_7S__) \
|| defined(_ARM_ARCH_7) \
- || defined(__CORE_CORTEXA__) // GHS-specific for INTEGRITY
+ || defined(__CORE_CORTEXA__)
# define Q_PROCESSOR_ARM 7
# elif defined(__ARM_ARCH_6__) \
|| defined(__ARM_ARCH_6J__) \