Merge commit '9e23c65237b480c74a0a2537b9927f6e52ca22aa' into main

Makefile.in

@@ -152,13 +152,13 @@ update-revision:
 .PHONY: all update-revision install install-bin install-hdrs install-lib install-data uninstall uninstall-bin uninstall-hdrs uninstall-lib uninstall-data clean distclean dist $(OBJECTS:.lo=.d)
 
 $(objects)/$(TARGET): $(GEN_HEADERS) $(GEN_OBJECTS) $(OBJECTS) $(VERSION_OBJECTS)
-	$(RUN_CMD_LTLINK)$(LIBTOOL) --tag=CC --mode=link $(CC) -o $@ $(OBJECTS) $(GEN_OBJECTS) $(VERSION_OBJECTS) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LT_LDFLAGS)
+	$(RUN_CMD_LTLINK)$(LIBTOOL) --tag=CXX --mode=link $(CXX) -o $@ $(OBJECTS) $(GEN_OBJECTS) $(VERSION_OBJECTS) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LT_LDFLAGS)
 
 $(objects)/$(SDLMAIN_TARGET): $(SDLMAIN_OBJECTS)
-	$(RUN_CMD_LTLINK)$(LIBTOOL) --tag=CC --mode=link $(CC) -static -o $@ $(SDLMAIN_OBJECTS) -rpath $(libdir)
+	$(RUN_CMD_LTLINK)$(LIBTOOL) --tag=CXX --mode=link $(CXX) -static -o $@ $(SDLMAIN_OBJECTS) -rpath $(libdir)
 
 $(objects)/$(SDLTEST_TARGET): $(SDLTEST_OBJECTS)
-	$(RUN_CMD_LTLINK)$(LIBTOOL) --tag=CC --mode=link $(CC) -static -o $@ $(SDLTEST_OBJECTS) -rpath $(libdir)
+	$(RUN_CMD_LTLINK)$(LIBTOOL) --tag=CXX --mode=link $(CXX) -static -o $@ $(SDLTEST_OBJECTS) -rpath $(libdir)
 
 install: all install-bin install-hdrs install-lib install-data
 install-bin:

configure.ac

@@ -4051,9 +4051,6 @@ case "$host" in
         # The Haiku platform requires special setup.
         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
-        # Haiku's x86 spins use libstdc++.r4.so (for binary compat?), but
-        #  other spins, like x86-64, use a more standard "libstdc++.so.*"
-        AC_CHECK_FILE("/boot/system/lib/libstdc++.r4.so", EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lstdc++.r4", EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lstdc++")
         ;;
     *-ios-*)
         ARCH=ios