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-rw-r--r--configure.ac8
-rw-r--r--src/fs.cpp8
-rw-r--r--src/qt/winshutdownmonitor.h2
3 files changed, 15 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index cce97e9259..c78e9aa8a2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -430,7 +430,13 @@ if test "x$enable_werror" = "xyes"; then
AX_CHECK_COMPILE_FLAG([-Werror=range-loop-analysis],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=range-loop-analysis"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Werror=unused-variable],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=unused-variable"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Werror=date-time],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=date-time"],,[[$CXXFLAG_WERROR]])
- AX_CHECK_COMPILE_FLAG([-Werror=return-type],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=return-type"],,[[$CXXFLAG_WERROR]])
+
+ dnl -Wreturn-type is broken in GCC for MinGW-w64.
+ dnl https://sourceforge.net/p/mingw-w64/bugs/306/
+ AX_CHECK_COMPILE_FLAG([-Werror=return-type], [ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=return-type"], [], [$CXXFLAG_WERROR],
+ [AC_LANG_SOURCE([[#include <cassert>
+ int f(){ assert(false); }]])])
+
AX_CHECK_COMPILE_FLAG([-Werror=conditional-uninitialized],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=conditional-uninitialized"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Werror=sign-compare],[ERROR_CXXFLAGS="$ERROR_CXXFLAGS -Werror=sign-compare"],,[[$CXXFLAG_WERROR]])
dnl -Wsuggest-override is broken with GCC before 9.2
diff --git a/src/fs.cpp b/src/fs.cpp
index 4f20ca4d28..7884c18646 100644
--- a/src/fs.cpp
+++ b/src/fs.cpp
@@ -154,7 +154,10 @@ std::string get_filesystem_error_message(const fs::filesystem_error& e)
#ifdef __GLIBCXX__
// reference: https://github.com/gcc-mirror/gcc/blob/gcc-7_3_0-release/libstdc%2B%2B-v3/include/std/fstream#L270
-
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wswitch"
+#endif
static std::string openmodeToStr(std::ios_base::openmode mode)
{
switch (mode & ~std::ios_base::ate) {
@@ -192,6 +195,9 @@ static std::string openmodeToStr(std::ios_base::openmode mode)
return std::string();
}
}
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC diagnostic pop
+#endif
void ifstream::open(const fs::path& p, std::ios_base::openmode mode)
{
diff --git a/src/qt/winshutdownmonitor.h b/src/qt/winshutdownmonitor.h
index 8edb98c744..bf399edcf3 100644
--- a/src/qt/winshutdownmonitor.h
+++ b/src/qt/winshutdownmonitor.h
@@ -17,7 +17,7 @@ class WinShutdownMonitor : public QAbstractNativeEventFilter
{
public:
/** Implements QAbstractNativeEventFilter interface for processing Windows messages */
- bool nativeEventFilter(const QByteArray &eventType, void *pMessage, long *pnResult);
+ bool nativeEventFilter(const QByteArray &eventType, void *pMessage, long *pnResult) override;
/** Register the reason for blocking shutdown on Windows to allow clean client exit */
static void registerShutdownBlockReason(const QString& strReason, const HWND& mainWinId);