build: fix qt5.7 build under macOS

OBJCXX's std flags don't get defined by our cxx macro. Rather than hard-coding
to c++11, just force OBJCXX to be the same as CXX unless the user specified
otherwise.
This commit is contained in:
Cory Fields 2016-11-15 16:12:17 -05:00
parent 6eeac6e30d
commit 70266e9829

View file

@ -45,7 +45,6 @@ else
CXXFLAGS_overridden=no CXXFLAGS_overridden=no
fi fi
AC_PROG_CXX AC_PROG_CXX
m4_ifdef([AC_PROG_OBJCXX],[AC_PROG_OBJCXX])
dnl By default, libtool for mingw refuses to link static libs into a dll for dnl By default, libtool for mingw refuses to link static libs into a dll for
dnl fear of mixing pic/non-pic objects, and import/export complications. Since dnl fear of mixing pic/non-pic objects, and import/export complications. Since
@ -60,6 +59,15 @@ AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
dnl Check if -latomic is required for <std::atomic> dnl Check if -latomic is required for <std::atomic>
CHECK_ATOMIC CHECK_ATOMIC
dnl Unless the user specified OBJCXX, force it to be the same as CXX. This ensures
dnl that we get the same -std flags for both.
m4_ifdef([AC_PROG_OBJCXX],[
if test "x${OBJCXX+set}" = "x"; then
OBJCXX="${CXX}"
fi
AC_PROG_OBJCXX
])
dnl Libtool init checks. dnl Libtool init checks.
LT_INIT([pic-only]) LT_INIT([pic-only])