commit 868d94fcb4769ad3a5d826c9f5483376433da8a5
author Lori A. Burns <lori.burns@gmail.com> Tue Jun 11 16:05:00 2019 -0400
committer Wenzel Jakob <wenzel.jakob@epfl.ch> Tue Jun 11 22:07:57 2019 +0200
tree 473d05babcfc8b4cd5ab63262adc1e3f33ac4212
parent 77ef03d5b136891fec8878bf8c6e7442ce75e903

Apply c++ standard flag only to files of CXX language. (#1678)

tools/pybind11Config.cmake.in

diff --git a/tools/pybind11Config.cmake.in b/tools/pybind11Config.cmake.in
index 3dd1b2c..8a7272f 100644
--- a/tools/pybind11Config.cmake.in
+++ b/tools/pybind11Config.cmake.in
@@ -90,7 +90,11 @@
       set_property(TARGET ${PN}::module APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${PYTHON_LIBRARIES})
     endif()
 
-    set_property(TARGET ${PN}::pybind11 APPEND PROPERTY INTERFACE_COMPILE_OPTIONS "${PYBIND11_CPP_STANDARD}")
+    if(CMAKE_VERSION VERSION_LESS 3.3)
+      set_property(TARGET ${PN}::pybind11 APPEND PROPERTY INTERFACE_COMPILE_OPTIONS "${PYBIND11_CPP_STANDARD}")
+    else()
+      set_property(TARGET ${PN}::pybind11 APPEND PROPERTY INTERFACE_COMPILE_OPTIONS $<$<COMPILE_LANGUAGE:CXX>:${PYBIND11_CPP_STANDARD}>)
+    endif()
 
     get_property(_iid TARGET ${PN}::pybind11 PROPERTY INTERFACE_INCLUDE_DIRECTORIES)
     get_property(_ill TARGET ${PN}::module PROPERTY INTERFACE_LINK_LIBRARIES)