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[Qemu-devel] [PATCH 2/4] rules.mak: Link with C++ if we have a C++ compi
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 2/4] rules.mak: Link with C++ if we have a C++ compiler |
Date: |
Tue, 7 Jan 2014 16:51:26 +0000 |
If we have a C++ compiler available, link with it, because we might be
linking some C++ files in. This allows us to include C++ object files
in the QEMU binary proper.
Signed-off-by: Peter Maydell <address@hidden>
---
rules.mak | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/rules.mak b/rules.mak
index cd9187e..391d6eb 100644
--- a/rules.mak
+++ b/rules.mak
@@ -27,8 +27,12 @@ QEMU_INCLUDES += -I$(<D) -I$(@D)
%.o: %.rc
$(call quiet-command,$(WINDRES) -I. -o $@ $<," RC $(TARGET_DIR)$@")
+# If we have a CXX we might have some C++ objects, in which case we
+# must link with the C++ compiler, not the plain C compiler.
+LINKPROG = $(or $(CXX),$(CC))
+
ifeq ($(LIBTOOL),)
-LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
+LINK = $(call quiet-command,$(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o
$@ \
$(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(version-obj-y) \
$(LIBS)," LINK $(TARGET_DIR)$@")
else
@@ -42,7 +46,7 @@ LIBTOOL += $(if $(V),,--quiet)
LINK = $(call quiet-command,\
$(if $(filter %.lo %.la,$^),$(LIBTOOL) --mode=link --tag=CC \
- )$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
+ )$(LINKPROG) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
$(sort $(filter %.o, $1)) $(filter-out %.o, $1) \
$(if $(filter %.lo %.la,$^),$(version-lobj-y),$(version-obj-y)) \
$(if $(filter %.lo %.la,$^),$(LIBTOOLFLAGS)) \
--
1.8.5