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[2/5] kbuild: fix a bug of C++ host program handling

Message ID 1402018263-30670-3-git-send-email-yamada.m@jp.panasonic.com (mailing list archive)
State New, archived
Headers show

Commit Message

Masahiro Yamada June 6, 2014, 1:31 a.m. UTC 
The comment claims:
  C++ executables compiled from at least one .cc file
  and zero or more .c files

But C++ executables with zero .c file fail in build.

For example, assume Makefile is like this:

  hostprogs-y := foo
  foo-cxxobjs := bar.o

In this case, foo is treated as host-csingle
and Kbuild searches foo.c source.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
---
 scripts/Makefile.host | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index 395a240..2632adf 100644
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -34,7 +34,8 @@  __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m))
 
 # C code
 # Executables compiled from a single .c file
-host-csingle	:= $(foreach m,$(__hostprogs),$(if $($(m)-objs),,$(m)))
+host-csingle	:= $(foreach m,$(__hostprogs), \
+		   $(if $($(m)-objs)$($(m)-cxxobjs),,$(m)))
 
 # C executables linked based on several .o files
 host-cmulti	:= $(foreach m,$(__hostprogs),\